Merge pull request #1509 from esphome/bump-1.16.0

1.16.0

.editorconfig

@@ -25,3 +25,4 @@ indent_size = 2
 [*.{yaml,yml}]
 indent_style = space
 indent_size = 2
+quote_type = single

.github/workflows/ci-docker.yml

@@ -18,6 +18,7 @@ jobs:
     name: Build docker containers
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         arch: [amd64, armv7, aarch64]
         build_type: ["hassio", "docker"]
@@ -37,9 +38,9 @@ jobs:
             dockerfile="docker/Dockerfile"
           fi
 
-          echo "::set-env name=BUILD_FROM::${build_from}"
+          echo "BUILD_FROM=${build_from}" >> $GITHUB_ENV
-          echo "::set-env name=BUILD_TO::${build_to}"
+          echo "BUILD_TO=${build_to}" >> $GITHUB_ENV
-          echo "::set-env name=DOCKERFILE::${dockerfile}"
+          echo "DOCKERFILE=${dockerfile}" >> $GITHUB_ENV
       - name: Pull for cache
         run: |
           docker pull "${BUILD_TO}:dev" || true

.github/workflows/ci.yml

@@ -11,45 +11,6 @@ on:
   pull_request:
 
 jobs:
-  # A fast overview job that checks only changed files
-  overview:
-    runs-on: ubuntu-latest
-    container: esphome/esphome-lint:latest
-    steps:
-      # Also fetch history and dev branch so that we can check which files changed
-      - uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-      - name: Fetch dev branch
-        run: git fetch origin dev
-
-      # Cache the .pio directory with (primarily) library dependencies
-      - name: Cache .pio lib_deps
-        uses: actions/cache@v1
-        with:
-          path: .pio
-          key: lint-cpp-pio-${{ hashFiles('platformio.ini') }}
-          restore-keys: |
-            lint-cpp-pio-
-      - name: Set up python environment
-        run: script/setup
-      # Set up the pio project so that the cpp checks know how files are compiled
-      # (build flags, libraries etc)
-      - name: Set up platformio environment
-        run: pio init --ide atom
-
-      - name: Register problem matchers
-        run: |
-          echo "::add-matcher::.github/workflows/matchers/ci-custom.json"
-          echo "::add-matcher::.github/workflows/matchers/clang-tidy.json"
-          echo "::add-matcher::.github/workflows/matchers/gcc.json"
-          echo "::add-matcher::.github/workflows/matchers/lint-python.json"
-          echo "::add-matcher::.github/workflows/matchers/python.json"
-      - name: Run a quick lint over all changed files
-        run: script/quicklint
-      - name: Suggest changes
-        run: script/ci-suggest-changes
-
   lint-clang-format:
     runs-on: ubuntu-latest
     # cpp lint job runs with esphome-lint docker image so that clang-format-*
@@ -83,6 +44,7 @@ jobs:
     container: esphome/esphome-lint:latest
     # Split clang-tidy check into 4 jobs. Each one will check 1/4th of the .cpp files
     strategy:
+      fail-fast: false
       matrix:
         split: [1, 2, 3, 4]
     steps:
@@ -146,6 +108,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
           test:
           - test1

.github/workflows/release-dev.yml

@@ -41,6 +41,7 @@ jobs:
     container: esphome/esphome-lint:latest
     # Split clang-tidy check into 4 jobs. Each one will check 1/4th of the .cpp files
     strategy:
+      fail-fast: false
       matrix:
         split: [1, 2, 3, 4]
     steps:
@@ -104,6 +105,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
           test:
           - test1
@@ -187,7 +189,7 @@ jobs:
       - name: Set TAG
         run: |
           TAG="${GITHUB_SHA:0:7}"
-          echo "::set-env name=TAG::${TAG}"
+          echo "TAG=${TAG}" >> $GITHUB_ENV
       - name: Set up env variables
         run: |
           base_version="2.6.0"
@@ -202,9 +204,9 @@ jobs:
             dockerfile="docker/Dockerfile"
           fi
 
-          echo "::set-env name=BUILD_FROM::${build_from}"
+          echo "BUILD_FROM=${build_from}" >> $GITHUB_ENV
-          echo "::set-env name=BUILD_TO::${build_to}"
+          echo "BUILD_TO=${build_to}" >> $GITHUB_ENV
-          echo "::set-env name=DOCKERFILE::${dockerfile}"
+          echo "DOCKERFILE=${dockerfile}" >> $GITHUB_ENV
       - name: Pull for cache
         run: |
           docker pull "${BUILD_TO}:dev" || true
@@ -241,7 +243,7 @@ jobs:
     - name: Set TAG
       run: |
         TAG="${GITHUB_SHA:0:7}"
-        echo "::set-env name=TAG::${TAG}"
+        echo "TAG=${TAG}" >> $GITHUB_ENV
     - name: Log in to docker hub
       env:
         DOCKER_USER: ${{ secrets.DOCKER_USER }}

.github/workflows/release.yml

@@ -40,6 +40,7 @@ jobs:
     container: esphome/esphome-lint:latest
     # Split clang-tidy check into 4 jobs. Each one will check 1/4th of the .cpp files
     strategy:
+      fail-fast: false
       matrix:
         split: [1, 2, 3, 4]
     steps:
@@ -103,6 +104,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
           test:
           - test1
@@ -207,7 +209,7 @@ jobs:
       - name: Set TAG
         run: |
           TAG="${GITHUB_REF#refs/tags/v}"
-          echo "::set-env name=TAG::${TAG}"
+          echo "TAG=${TAG}" >> $GITHUB_ENV
       - name: Set up env variables
         run: |
           base_version="2.6.0"
@@ -229,10 +231,10 @@ jobs:
           fi
 
           # Set env variables so these values don't need to be calculated again
-          echo "::set-env name=BUILD_FROM::${build_from}"
+          echo "BUILD_FROM=${build_from}" >> $GITHUB_ENV
-          echo "::set-env name=BUILD_TO::${build_to}"
+          echo "BUILD_TO=${build_to}" >> $GITHUB_ENV
-          echo "::set-env name=DOCKERFILE::${dockerfile}"
+          echo "DOCKERFILE=${dockerfile}" >> $GITHUB_ENV
-          echo "::set-env name=CACHE_TAG::${cache_tag}"
+          echo "CACHE_TAG=${cache_tag}" >> $GITHUB_ENV
       - name: Pull for cache
         run: |
           docker pull "${BUILD_TO}:${CACHE_TAG}" || true
@@ -277,7 +279,7 @@ jobs:
     - name: Set TAG
       run: |
         TAG="${GITHUB_REF#refs/tags/v}"
-        echo "::set-env name=TAG::${TAG}"
+        echo "TAG=${TAG}" >> $GITHUB_ENV
     - name: Log in to docker hub
       env:
         DOCKER_USER: ${{ secrets.DOCKER_USER }}

.gitignore

@@ -81,7 +81,8 @@ venv.bak/
 .pioenvs
 .piolibdeps
 .pio
-.vscode
+.vscode/
+!.vscode/tasks.json
 CMakeListsPrivate.txt
 CMakeLists.txt
 
@@ -119,4 +120,4 @@ config/
 tests/build/
 tests/.esphome/
 /.temp-clang-tidy.cpp
-/.idea/
+.pio/

.vscode/tasks.json

@@ -0,0 +1,11 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "run",
+            "type": "shell",
+            "command": "python3 -m esphome config dashboard",
+            "problemMatcher": []
+        }
+    ]
+}

CODEOWNERS

@@ -13,10 +13,13 @@ esphome/core/* @esphome/core
 # Integrations
 esphome/components/ac_dimmer/* @glmnet
 esphome/components/adc/* @esphome/core
+esphome/components/animation/* @syndlex
 esphome/components/api/* @OttoWinter
 esphome/components/async_tcp/* @OttoWinter
+esphome/components/atc_mithermometer/* @ahpohl
 esphome/components/bang_bang/* @OttoWinter
 esphome/components/binary_sensor/* @esphome/core
+esphome/components/canbus/* @danielschramm @mvturnho
 esphome/components/captive_portal/* @OttoWinter
 esphome/components/climate/* @esphome/core
 esphome/components/climate_ir/* @glmnet
@@ -26,24 +29,37 @@ esphome/components/ct_clamp/* @jesserockz
 esphome/components/debug/* @OttoWinter
 esphome/components/dfplayer/* @glmnet
 esphome/components/dht/* @OttoWinter
+esphome/components/ds1307/* @badbadc0ffee
 esphome/components/exposure_notifications/* @OttoWinter
+esphome/components/ezo/* @ssieb
 esphome/components/fastled_base/* @OttoWinter
 esphome/components/globals/* @esphome/core
 esphome/components/gpio/* @esphome/core
 esphome/components/homeassistant/* @OttoWinter
 esphome/components/i2c/* @esphome/core
+esphome/components/inkplate6/* @jesserockz
 esphome/components/integration/* @OttoWinter
 esphome/components/interval/* @esphome/core
 esphome/components/json/* @OttoWinter
 esphome/components/ledc/* @OttoWinter
 esphome/components/light/* @esphome/core
 esphome/components/logger/* @esphome/core
+esphome/components/mcp23s08/* @SenexCrenshaw
+esphome/components/mcp23s17/* @SenexCrenshaw
+esphome/components/mcp2515/* @danielschramm @mvturnho
+esphome/components/mcp9808/* @k7hpn
 esphome/components/network/* @esphome/core
+esphome/components/nfc/* @jesserockz
 esphome/components/ota/* @esphome/core
 esphome/components/output/* @esphome/core
 esphome/components/pid/* @OttoWinter
-esphome/components/pn532/* @OttoWinter
+esphome/components/pn532/* @OttoWinter @jesserockz
+esphome/components/pn532_i2c/* @OttoWinter @jesserockz
+esphome/components/pn532_spi/* @OttoWinter @jesserockz
 esphome/components/power_supply/* @esphome/core
+esphome/components/rc522/* @glmnet
+esphome/components/rc522_i2c/* @glmnet
+esphome/components/rc522_spi/* @glmnet
 esphome/components/restart/* @esphome/core
 esphome/components/rf_bridge/* @jesserockz
 esphome/components/rtttl/* @glmnet
@@ -52,12 +68,28 @@ esphome/components/sensor/* @esphome/core
 esphome/components/shutdown/* @esphome/core
 esphome/components/sim800l/* @glmnet
 esphome/components/spi/* @esphome/core
+esphome/components/ssd1322_base/* @kbx81
+esphome/components/ssd1322_spi/* @kbx81
+esphome/components/ssd1325_base/* @kbx81
+esphome/components/ssd1325_spi/* @kbx81
+esphome/components/ssd1327_base/* @kbx81
+esphome/components/ssd1327_i2c/* @kbx81
+esphome/components/ssd1327_spi/* @kbx81
+esphome/components/ssd1331_base/* @kbx81
+esphome/components/ssd1331_spi/* @kbx81
+esphome/components/ssd1351_base/* @kbx81
+esphome/components/ssd1351_spi/* @kbx81
+esphome/components/st7735/* @SenexCrenshaw
+esphome/components/st7789v/* @kbx81
 esphome/components/substitutions/* @esphome/core
 esphome/components/sun/* @OttoWinter
 esphome/components/switch/* @esphome/core
 esphome/components/tcl112/* @glmnet
+esphome/components/teleinfo/* @0hax
+esphome/components/thermostat/* @kbx81
 esphome/components/time/* @OttoWinter
 esphome/components/tm1637/* @glmnet
+esphome/components/tmp102/* @timsavage
 esphome/components/tuya/binary_sensor/* @jesserockz
 esphome/components/tuya/climate/* @jesserockz
 esphome/components/tuya/sensor/* @jesserockz
@@ -67,3 +99,5 @@ esphome/components/ultrasonic/* @OttoWinter
 esphome/components/version/* @esphome/core
 esphome/components/web_server_base/* @OttoWinter
 esphome/components/whirlpool/* @glmnet
+esphome/components/xiaomi_lywsd03mmc/* @ahpohl
+esphome/components/xiaomi_mhoc401/* @vevsvevs

docker/Dockerfile

@@ -12,6 +12,13 @@ RUN pip3 install --no-cache-dir -e .
 # Settings for dashboard
 ENV USERNAME="" PASSWORD=""
 
+# Expose the dashboard to Docker
+EXPOSE 6052
+
+# Run healthcheck (heartbeat)
+HEALTHCHECK --interval=5m --timeout=3s \
+  CMD curl --fail http://localhost:6052 || exit 1
+
 # The directory the user should mount their configuration files to
 WORKDIR /config
 # Set entrypoint to esphome so that the user doesn't have to type 'esphome'

esphome/__main__.py

@@ -235,6 +235,9 @@ def setup_log(debug=False, quiet=False):
     logging.getLogger('urllib3').setLevel(logging.WARNING)
 
     try:
+        import colorama
+        colorama.init(strip=True)
+
         from colorlog import ColoredFormatter
         logging.getLogger().handlers[0].setFormatter(ColoredFormatter(
             colorfmt,

esphome/api/client.py

@@ -181,7 +181,7 @@ class APIClient(threading.Thread):
                             self._address)
             _LOGGER.warning("(If this error persists, please set a static IP address: "
                             "https://esphome.io/components/wifi.html#manual-ips)")
-            raise APIConnectionError(err)
+            raise APIConnectionError(err) from err
 
         _LOGGER.info("Connecting to %s:%s (%s)", self._address, self._port, ip)
         self._socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -346,12 +346,12 @@ class APIClient(threading.Thread):
                 raise APIConnectionError("No socket!")
             try:
                 val = self._socket.recv(amount - len(ret))
-            except AttributeError:
+            except AttributeError as err:
-                raise APIConnectionError("Socket was closed")
+                raise APIConnectionError("Socket was closed") from err
             except socket.timeout:
                 continue
             except OSError as err:
-                raise APIConnectionError(f"Error while receiving data: {err}")
+                raise APIConnectionError(f"Error while receiving data: {err}") from err
             ret += val
         return ret
 

esphome/automation.py

@@ -84,6 +84,7 @@ def validate_automation(extra_schema=None, extra_validators=None, single=False):
                     return cv.Schema([schema])(value)
                 except cv.Invalid as err2:
                     if 'extra keys not allowed' in str(err2) and len(err2.path) == 2:
+                        # pylint: disable=raise-missing-from
                         raise err
                     if 'Unable to find action' in str(err):
                         raise err2

esphome/components/ade7953/ade7953.cpp

@@ -8,6 +8,9 @@ static const char *TAG = "ade7953";
 
 void ADE7953::dump_config() {
   ESP_LOGCONFIG(TAG, "ADE7953:");
+  if (this->has_irq_) {
+    ESP_LOGCONFIG(TAG, "  IRQ Pin: GPIO%u", this->irq_pin_number_);
+  }
   LOG_I2C_DEVICE(this);
   LOG_UPDATE_INTERVAL(this);
   LOG_SENSOR("  ", "Voltage Sensor", this->voltage_sensor_);

esphome/components/ade7953/ade7953.h

@@ -9,6 +9,10 @@ namespace ade7953 {
 
 class ADE7953 : public i2c::I2CDevice, public PollingComponent {
  public:
+  void set_irq_pin(uint8_t irq_pin) {
+    has_irq_ = true;
+    irq_pin_number_ = irq_pin;
+  }
   void set_voltage_sensor(sensor::Sensor *voltage_sensor) { voltage_sensor_ = voltage_sensor; }
   void set_current_a_sensor(sensor::Sensor *current_a_sensor) { current_a_sensor_ = current_a_sensor; }
   void set_current_b_sensor(sensor::Sensor *current_b_sensor) { current_b_sensor_ = current_b_sensor; }
@@ -20,6 +24,11 @@ class ADE7953 : public i2c::I2CDevice, public PollingComponent {
   }
 
   void setup() override {
+    if (this->has_irq_) {
+      auto pin = GPIOPin(this->irq_pin_number_, INPUT);
+      this->irq_pin_ = &pin;
+      this->irq_pin_->setup();
+    }
     this->set_timeout(100, [this]() {
       this->ade_write_<uint8_t>(0x0010, 0x04);
       this->ade_write_<uint8_t>(0x00FE, 0xAD);
@@ -55,6 +64,9 @@ class ADE7953 : public i2c::I2CDevice, public PollingComponent {
     return result;
   }
 
+  bool has_irq_ = false;
+  uint8_t irq_pin_number_;
+  GPIOPin *irq_pin_{nullptr};
   bool is_setup_{false};
   sensor::Sensor *voltage_sensor_{nullptr};
   sensor::Sensor *current_a_sensor_{nullptr};

esphome/components/ade7953/sensor.py

@@ -1,14 +1,16 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import sensor, i2c
+from esphome import pins
 from esphome.const import CONF_ID, CONF_VOLTAGE, \
     UNIT_VOLT, ICON_FLASH, UNIT_AMPERE, UNIT_WATT
 
 DEPENDENCIES = ['i2c']
 
-ace7953_ns = cg.esphome_ns.namespace('ade7953')
+ade7953_ns = cg.esphome_ns.namespace('ade7953')
-ADE7953 = ace7953_ns.class_('ADE7953', cg.PollingComponent, i2c.I2CDevice)
+ADE7953 = ade7953_ns.class_('ADE7953', cg.PollingComponent, i2c.I2CDevice)
 
+CONF_IRQ_PIN = 'irq_pin'
 CONF_CURRENT_A = 'current_a'
 CONF_CURRENT_B = 'current_b'
 CONF_ACTIVE_POWER_A = 'active_power_a'
@@ -16,7 +18,7 @@ CONF_ACTIVE_POWER_B = 'active_power_b'
 
 CONFIG_SCHEMA = cv.Schema({
     cv.GenerateID(): cv.declare_id(ADE7953),
-
+    cv.Optional(CONF_IRQ_PIN): pins.input_pin,
     cv.Optional(CONF_VOLTAGE): sensor.sensor_schema(UNIT_VOLT, ICON_FLASH, 1),
     cv.Optional(CONF_CURRENT_A): sensor.sensor_schema(UNIT_AMPERE, ICON_FLASH, 2),
     cv.Optional(CONF_CURRENT_B): sensor.sensor_schema(UNIT_AMPERE, ICON_FLASH, 2),
@@ -30,6 +32,9 @@ def to_code(config):
     yield cg.register_component(var, config)
     yield i2c.register_i2c_device(var, config)
 
+    if CONF_IRQ_PIN in config:
+        cg.add(var.set_irq_pin(config[CONF_IRQ_PIN]))
+
     for key in [CONF_VOLTAGE, CONF_CURRENT_A, CONF_CURRENT_B, CONF_ACTIVE_POWER_A,
                 CONF_ACTIVE_POWER_B]:
         if key not in config:

esphome/components/animation/__init__.py

@@ -0,0 +1,94 @@
+import logging
+
+from esphome import core
+from esphome.components import display, font
+import esphome.components.image as espImage
+import esphome.config_validation as cv
+import esphome.codegen as cg
+from esphome.const import CONF_FILE, CONF_ID, CONF_TYPE, CONF_RESIZE
+from esphome.core import CORE, HexInt
+
+_LOGGER = logging.getLogger(__name__)
+
+DEPENDENCIES = ['display']
+MULTI_CONF = True
+
+Animation_ = display.display_ns.class_('Animation')
+
+CONF_RAW_DATA_ID = 'raw_data_id'
+
+ANIMATION_SCHEMA = cv.Schema({
+    cv.Required(CONF_ID): cv.declare_id(Animation_),
+    cv.Required(CONF_FILE): cv.file_,
+    cv.Optional(CONF_RESIZE): cv.dimensions,
+    cv.Optional(CONF_TYPE, default='BINARY'): cv.enum(espImage.IMAGE_TYPE, upper=True),
+    cv.GenerateID(CONF_RAW_DATA_ID): cv.declare_id(cg.uint8),
+})
+
+CONFIG_SCHEMA = cv.All(font.validate_pillow_installed, ANIMATION_SCHEMA)
+
+CODEOWNERS = ['@syndlex']
+
+
+def to_code(config):
+    from PIL import Image
+
+    path = CORE.relative_config_path(config[CONF_FILE])
+    try:
+        image = Image.open(path)
+    except Exception as e:
+        raise core.EsphomeError(f"Could not load image file {path}: {e}")
+
+    width, height = image.size
+    frames = image.n_frames
+    if CONF_RESIZE in config:
+        image.thumbnail(config[CONF_RESIZE])
+        width, height = image.size
+    else:
+        if width > 500 or height > 500:
+            _LOGGER.warning("The image you requested is very big. Please consider using"
+                            " the resize parameter.")
+
+    if config[CONF_TYPE] == 'GRAYSCALE':
+        data = [0 for _ in range(height * width * frames)]
+        pos = 0
+        for frameIndex in range(frames):
+            image.seek(frameIndex)
+            frame = image.convert('L', dither=Image.NONE)
+            pixels = list(frame.getdata())
+            for pix in pixels:
+                data[pos] = pix
+                pos += 1
+
+    elif config[CONF_TYPE] == 'RGB24':
+        data = [0 for _ in range(height * width * 3 * frames)]
+        pos = 0
+        for frameIndex in range(frames):
+            image.seek(frameIndex)
+            frame = image.convert('RGB')
+            pixels = list(frame.getdata())
+            for pix in pixels:
+                data[pos] = pix[0]
+                pos += 1
+                data[pos] = pix[1]
+                pos += 1
+                data[pos] = pix[2]
+                pos += 1
+
+    elif config[CONF_TYPE] == 'BINARY':
+        width8 = ((width + 7) // 8) * 8
+        data = [0 for _ in range((height * width8 // 8) * frames)]
+        for frameIndex in range(frames):
+            image.seek(frameIndex)
+            frame = image.convert('1', dither=Image.NONE)
+            for y in range(height):
+                for x in range(width):
+                    if frame.getpixel((x, y)):
+                        continue
+                    pos = x + y * width8 + (height * width8 * frameIndex)
+                    data[pos // 8] |= 0x80 >> (pos % 8)
+
+    rhs = [HexInt(x) for x in data]
+    prog_arr = cg.progmem_array(config[CONF_RAW_DATA_ID], rhs)
+    cg.new_Pvariable(config[CONF_ID], prog_arr, width, height, frames,
+                     espImage.IMAGE_TYPE[config[CONF_TYPE]])

esphome/components/api/api.proto

@@ -679,7 +679,7 @@ enum ClimateSwingMode {
   CLIMATE_SWING_OFF = 0;
   CLIMATE_SWING_BOTH = 1;
   CLIMATE_SWING_VERTICAL = 2;
-  CLIMATE_SWINT_HORIZONTAL = 3;
+  CLIMATE_SWING_HORIZONTAL = 3;
 }
 enum ClimateAction {
   CLIMATE_ACTION_OFF = 0;

esphome/components/api/api_connection.cpp

@@ -676,8 +676,10 @@ bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint32_t message_type)
     }
   }
 
-  this->client_->add(reinterpret_cast<char *>(header.data()), header.size());
+  this->client_->add(reinterpret_cast<char *>(header.data()), header.size(),
-  this->client_->add(reinterpret_cast<char *>(buffer.get_buffer()->data()), buffer.get_buffer()->size());
+                     ASYNC_WRITE_FLAG_COPY | ASYNC_WRITE_FLAG_MORE);
+  this->client_->add(reinterpret_cast<char *>(buffer.get_buffer()->data()), buffer.get_buffer()->size(),
+                     ASYNC_WRITE_FLAG_COPY);
   bool ret = this->client_->send();
   return ret;
 }

esphome/components/api/api_pb2.cpp

@@ -154,8 +154,8 @@ template<> const char *proto_enum_to_string<enums::ClimateSwingMode>(enums::Clim
       return "CLIMATE_SWING_BOTH";
     case enums::CLIMATE_SWING_VERTICAL:
       return "CLIMATE_SWING_VERTICAL";
-    case enums::CLIMATE_SWINT_HORIZONTAL:
+    case enums::CLIMATE_SWING_HORIZONTAL:
-      return "CLIMATE_SWINT_HORIZONTAL";
+      return "CLIMATE_SWING_HORIZONTAL";
     default:
       return "UNKNOWN";
   }

esphome/components/api/api_pb2.h

@@ -74,7 +74,7 @@ enum ClimateSwingMode : uint32_t {
   CLIMATE_SWING_OFF = 0,
   CLIMATE_SWING_BOTH = 1,
   CLIMATE_SWING_VERTICAL = 2,
-  CLIMATE_SWINT_HORIZONTAL = 3,
+  CLIMATE_SWING_HORIZONTAL = 3,
 };
 enum ClimateAction : uint32_t {
   CLIMATE_ACTION_OFF = 0,

esphome/components/api/proto.cpp

@@ -62,8 +62,7 @@ void ProtoMessage::decode(const uint8_t *buffer, size_t length) {
           error = true;
           break;
         }
-        uint32_t val = (uint32_t(buffer[i]) << 0) | (uint32_t(buffer[i + 1]) << 8) | (uint32_t(buffer[i + 2]) << 16) |
+        uint32_t val = encode_uint32(buffer[i + 3], buffer[i + 2], buffer[i + 1], buffer[i]);
-                       (uint32_t(buffer[i + 3]) << 24);
         if (!this->decode_32bit(field_id, Proto32Bit(val))) {
           ESP_LOGV(TAG, "Cannot decode 32-bit field %u with value %u!", field_id, val);
         }

esphome/components/atc_mithermometer/atc_mithermometer.cpp

@@ -0,0 +1,137 @@
+#include "atc_mithermometer.h"
+#include "esphome/core/log.h"
+
+#ifdef ARDUINO_ARCH_ESP32
+
+namespace esphome {
+namespace atc_mithermometer {
+
+static const char *TAG = "atc_mithermometer";
+
+void ATCMiThermometer::dump_config() {
+  ESP_LOGCONFIG(TAG, "ATC MiThermometer");
+  LOG_SENSOR("  ", "Temperature", this->temperature_);
+  LOG_SENSOR("  ", "Humidity", this->humidity_);
+  LOG_SENSOR("  ", "Battery Level", this->battery_level_);
+  LOG_SENSOR("  ", "Battery Voltage", this->battery_voltage_);
+}
+
+bool ATCMiThermometer::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
+  if (device.address_uint64() != this->address_) {
+    ESP_LOGVV(TAG, "parse_device(): unknown MAC address.");
+    return false;
+  }
+  ESP_LOGVV(TAG, "parse_device(): MAC address %s found.", device.address_str().c_str());
+
+  bool success = false;
+  for (auto &service_data : device.get_service_datas()) {
+    auto res = parse_header(service_data);
+    if (res->is_duplicate) {
+      continue;
+    }
+    if (!(parse_message(service_data.data, *res))) {
+      continue;
+    }
+    if (!(report_results(res, device.address_str()))) {
+      continue;
+    }
+    if (res->temperature.has_value() && this->temperature_ != nullptr)
+      this->temperature_->publish_state(*res->temperature);
+    if (res->humidity.has_value() && this->humidity_ != nullptr)
+      this->humidity_->publish_state(*res->humidity);
+    if (res->battery_level.has_value() && this->battery_level_ != nullptr)
+      this->battery_level_->publish_state(*res->battery_level);
+    if (res->battery_voltage.has_value() && this->battery_voltage_ != nullptr)
+      this->battery_voltage_->publish_state(*res->battery_voltage);
+    success = true;
+  }
+
+  if (!success) {
+    return false;
+  }
+
+  return true;
+}
+
+optional<ParseResult> ATCMiThermometer::parse_header(const esp32_ble_tracker::ServiceData &service_data) {
+  ParseResult result;
+  if (!service_data.uuid.contains(0x1A, 0x18)) {
+    ESP_LOGVV(TAG, "parse_header(): no service data UUID magic bytes.");
+    return {};
+  }
+
+  auto raw = service_data.data;
+
+  static uint8_t last_frame_count = 0;
+  if (last_frame_count == raw[12]) {
+    ESP_LOGVV(TAG, "parse_header(): duplicate data packet received (%d).", static_cast<int>(last_frame_count));
+    result.is_duplicate = true;
+    return {};
+  }
+  last_frame_count = raw[12];
+  result.is_duplicate = false;
+
+  return result;
+}
+
+bool ATCMiThermometer::parse_message(const std::vector<uint8_t> &message, ParseResult &result) {
+  // Byte 0-5 mac in correct order
+  // Byte 6-7 Temperature in uint16
+  // Byte 8 Humidity in percent
+  // Byte 9 Battery in percent
+  // Byte 10-11 Battery in mV uint16_t
+  // Byte 12 frame packet counter
+
+  const uint8_t *data = message.data();
+  const int data_length = 13;
+
+  if (message.size() != data_length) {
+    ESP_LOGVV(TAG, "parse_message(): payload has wrong size (%d)!", message.size());
+    return false;
+  }
+
+  // temperature, 2 bytes, 16-bit signed integer (LE), 0.1 °C
+  const int16_t temperature = uint16_t(data[7]) | (uint16_t(data[6]) << 8);
+  result.temperature = temperature / 10.0f;
+
+  // humidity, 1 byte, 8-bit unsigned integer, 1.0 %
+  result.humidity = data[8];
+
+  // battery, 1 byte, 8-bit unsigned integer,  1.0 %
+  result.battery_level = data[9];
+
+  // battery, 2 bytes, 16-bit unsigned integer,  0.001 V
+  const int16_t battery_voltage = uint16_t(data[11]) | (uint16_t(data[10]) << 8);
+  result.battery_voltage = battery_voltage / 1.0e3f;
+
+  return true;
+}
+
+bool ATCMiThermometer::report_results(const optional<ParseResult> &result, const std::string &address) {
+  if (!result.has_value()) {
+    ESP_LOGVV(TAG, "report_results(): no results available.");
+    return false;
+  }
+
+  ESP_LOGD(TAG, "Got ATC MiThermometer (%s):", address.c_str());
+
+  if (result->temperature.has_value()) {
+    ESP_LOGD(TAG, "  Temperature: %.1f °C", *result->temperature);
+  }
+  if (result->humidity.has_value()) {
+    ESP_LOGD(TAG, "  Humidity: %.0f %%", *result->humidity);
+  }
+  if (result->battery_level.has_value()) {
+    ESP_LOGD(TAG, "  Battery Level: %.0f %%", *result->battery_level);
+  }
+  if (result->battery_voltage.has_value()) {
+    ESP_LOGD(TAG, "  Battery Voltage: %.3f V", *result->battery_voltage);
+  }
+
+  return true;
+}
+
+}  // namespace atc_mithermometer
+}  // namespace esphome
+
+#endif

esphome/components/atc_mithermometer/atc_mithermometer.h

@@ -0,0 +1,48 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
+
+#ifdef ARDUINO_ARCH_ESP32
+
+namespace esphome {
+namespace atc_mithermometer {
+
+struct ParseResult {
+  optional<float> temperature;
+  optional<float> humidity;
+  optional<float> battery_level;
+  optional<float> battery_voltage;
+  bool is_duplicate;
+  int raw_offset;
+};
+
+class ATCMiThermometer : public Component, public esp32_ble_tracker::ESPBTDeviceListener {
+ public:
+  void set_address(uint64_t address) { address_ = address; };
+
+  bool parse_device(const esp32_ble_tracker::ESPBTDevice &device) override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+  void set_temperature(sensor::Sensor *temperature) { temperature_ = temperature; }
+  void set_humidity(sensor::Sensor *humidity) { humidity_ = humidity; }
+  void set_battery_level(sensor::Sensor *battery_level) { battery_level_ = battery_level; }
+  void set_battery_voltage(sensor::Sensor *battery_voltage) { battery_voltage_ = battery_voltage; }
+
+ protected:
+  uint64_t address_;
+  sensor::Sensor *temperature_{nullptr};
+  sensor::Sensor *humidity_{nullptr};
+  sensor::Sensor *battery_level_{nullptr};
+  sensor::Sensor *battery_voltage_{nullptr};
+
+  optional<ParseResult> parse_header(const esp32_ble_tracker::ServiceData &service_data);
+  bool parse_message(const std::vector<uint8_t> &message, ParseResult &result);
+  bool report_results(const optional<ParseResult> &result, const std::string &address);
+};
+
+}  // namespace atc_mithermometer
+}  // namespace esphome
+
+#endif

esphome/components/atc_mithermometer/sensor.py

@@ -0,0 +1,45 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import sensor, esp32_ble_tracker
+from esphome.const import CONF_BATTERY_LEVEL, CONF_BATTERY_VOLTAGE, CONF_MAC_ADDRESS, \
+    CONF_HUMIDITY, CONF_TEMPERATURE, CONF_ID, UNIT_CELSIUS, UNIT_PERCENT, UNIT_VOLT, \
+    ICON_BATTERY, ICON_THERMOMETER, ICON_WATER_PERCENT
+
+CODEOWNERS = ['@ahpohl']
+
+DEPENDENCIES = ['esp32_ble_tracker']
+
+atc_mithermometer_ns = cg.esphome_ns.namespace('atc_mithermometer')
+ATCMiThermometer = atc_mithermometer_ns.class_('ATCMiThermometer',
+                                               esp32_ble_tracker.ESPBTDeviceListener,
+                                               cg.Component)
+
+CONFIG_SCHEMA = cv.Schema({
+    cv.GenerateID(): cv.declare_id(ATCMiThermometer),
+    cv.Required(CONF_MAC_ADDRESS): cv.mac_address,
+    cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(UNIT_CELSIUS, ICON_THERMOMETER, 1),
+    cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(UNIT_PERCENT, ICON_WATER_PERCENT, 0),
+    cv.Optional(CONF_BATTERY_LEVEL): sensor.sensor_schema(UNIT_PERCENT, ICON_BATTERY, 0),
+    cv.Optional(CONF_BATTERY_VOLTAGE): sensor.sensor_schema(UNIT_VOLT, ICON_BATTERY, 3),
+}).extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA).extend(cv.COMPONENT_SCHEMA)
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield cg.register_component(var, config)
+    yield esp32_ble_tracker.register_ble_device(var, config)
+
+    cg.add(var.set_address(config[CONF_MAC_ADDRESS].as_hex))
+
+    if CONF_TEMPERATURE in config:
+        sens = yield sensor.new_sensor(config[CONF_TEMPERATURE])
+        cg.add(var.set_temperature(sens))
+    if CONF_HUMIDITY in config:
+        sens = yield sensor.new_sensor(config[CONF_HUMIDITY])
+        cg.add(var.set_humidity(sens))
+    if CONF_BATTERY_LEVEL in config:
+        sens = yield sensor.new_sensor(config[CONF_BATTERY_LEVEL])
+        cg.add(var.set_battery_level(sens))
+    if CONF_BATTERY_VOLTAGE in config:
+        sens = yield sensor.new_sensor(config[CONF_BATTERY_VOLTAGE])
+        cg.add(var.set_battery_voltage(sens))

esphome/components/binary_sensor/__init__.py

@@ -104,6 +104,7 @@ def parse_multi_click_timing_str(value):
     try:
         state = cv.boolean(parts[0])
     except cv.Invalid:
+        # pylint: disable=raise-missing-from
         raise cv.Invalid("First word must either be ON or OFF, not {}".format(parts[0]))
 
     if parts[1] != 'for':

esphome/components/canbus/__init__.py

@@ -0,0 +1,124 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome import automation
+from esphome.core import CORE, coroutine
+from esphome.const import CONF_ID, CONF_TRIGGER_ID, CONF_DATA
+
+CODEOWNERS = ['@mvturnho', '@danielschramm']
+IS_PLATFORM_COMPONENT = True
+
+CONF_CAN_ID = 'can_id'
+CONF_USE_EXTENDED_ID = 'use_extended_id'
+CONF_CANBUS_ID = 'canbus_id'
+CONF_BIT_RATE = 'bit_rate'
+CONF_ON_FRAME = 'on_frame'
+CONF_CANBUS_SEND = 'canbus.send'
+
+
+def validate_id(id_value, id_ext):
+    if not id_ext:
+        if id_value > 0x7ff:
+            raise cv.Invalid("Standard IDs must be 11 Bit (0x000-0x7ff / 0-2047)")
+
+
+def validate_raw_data(value):
+    if isinstance(value, str):
+        return value.encode('utf-8')
+    if isinstance(value, list):
+        return cv.Schema([cv.hex_uint8_t])(value)
+    raise cv.Invalid("data must either be a string wrapped in quotes or a list of bytes")
+
+
+canbus_ns = cg.esphome_ns.namespace('canbus')
+CanbusComponent = canbus_ns.class_('CanbusComponent', cg.Component)
+CanbusTrigger = canbus_ns.class_('CanbusTrigger',
+                                 automation.Trigger.template(cg.std_vector.template(cg.uint8)),
+                                 cg.Component)
+CanSpeed = canbus_ns.enum('CAN_SPEED')
+
+CAN_SPEEDS = {
+    '5KBPS': CanSpeed.CAN_5KBPS,
+    '10KBPS': CanSpeed.CAN_10KBPS,
+    '20KBPS': CanSpeed.CAN_20KBPS,
+    '31K25BPS': CanSpeed.CAN_31K25BPS,
+    '33KBPS': CanSpeed.CAN_33KBPS,
+    '40KBPS': CanSpeed.CAN_40KBPS,
+    '50KBPS': CanSpeed.CAN_50KBPS,
+    '80KBPS': CanSpeed.CAN_80KBPS,
+    '83K3BPS': CanSpeed.CAN_83K3BPS,
+    '95KBPS': CanSpeed.CAN_95KBPS,
+    '100KBPS': CanSpeed.CAN_100KBPS,
+    '125KBPS': CanSpeed.CAN_125KBPS,
+    '200KBPS': CanSpeed.CAN_200KBPS,
+    '250KBPS': CanSpeed.CAN_250KBPS,
+    '500KBPS': CanSpeed.CAN_500KBPS,
+    '1000KBPS': CanSpeed.CAN_1000KBPS,
+}
+
+CONFIG_SCHEMA = cv.Schema({
+    cv.GenerateID(): cv.declare_id(CanbusComponent),
+    cv.Required(CONF_CAN_ID): cv.int_range(min=0, max=0x1fffffff),
+    cv.Optional(CONF_BIT_RATE, default='125KBPS'): cv.enum(CAN_SPEEDS, upper=True),
+    cv.Optional(CONF_USE_EXTENDED_ID, default=False): cv.boolean,
+    cv.Optional(CONF_ON_FRAME): automation.validate_automation({
+        cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(CanbusTrigger),
+        cv.GenerateID(CONF_CAN_ID): cv.int_range(min=0, max=0x1fffffff),
+        cv.Optional(CONF_USE_EXTENDED_ID, default=False): cv.boolean,
+    }),
+}).extend(cv.COMPONENT_SCHEMA)
+
+
+@coroutine
+def setup_canbus_core_(var, config):
+    validate_id(config[CONF_CAN_ID], config[CONF_USE_EXTENDED_ID])
+    yield cg.register_component(var, config)
+    cg.add(var.set_can_id([config[CONF_CAN_ID]]))
+    cg.add(var.set_use_extended_id([config[CONF_USE_EXTENDED_ID]]))
+    cg.add(var.set_bitrate(CAN_SPEEDS[config[CONF_BIT_RATE]]))
+
+    for conf in config.get(CONF_ON_FRAME, []):
+        can_id = conf[CONF_CAN_ID]
+        ext_id = conf[CONF_USE_EXTENDED_ID]
+        validate_id(can_id, ext_id)
+        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var, can_id, ext_id)
+        yield cg.register_component(trigger, conf)
+        yield automation.build_automation(trigger, [(cg.std_vector.template(cg.uint8), 'x')], conf)
+
+
+@coroutine
+def register_canbus(var, config):
+    if not CORE.has_id(config[CONF_ID]):
+        var = cg.new_Pvariable(config[CONF_ID], var)
+    yield setup_canbus_core_(var, config)
+
+
+# Actions
+@automation.register_action(CONF_CANBUS_SEND,
+                            canbus_ns.class_('CanbusSendAction', automation.Action),
+                            cv.maybe_simple_value({
+                                cv.GenerateID(CONF_CANBUS_ID): cv.use_id(CanbusComponent),
+                                cv.Optional(CONF_CAN_ID): cv.int_range(min=0, max=0x1fffffff),
+                                cv.Optional(CONF_USE_EXTENDED_ID, default=False): cv.boolean,
+                                cv.Required(CONF_DATA): cv.templatable(validate_raw_data),
+                            }, key=CONF_DATA))
+def canbus_action_to_code(config, action_id, template_arg, args):
+    validate_id(config[CONF_CAN_ID], config[CONF_USE_EXTENDED_ID])
+    var = cg.new_Pvariable(action_id, template_arg)
+    yield cg.register_parented(var, config[CONF_CANBUS_ID])
+
+    if CONF_CAN_ID in config:
+        can_id = yield cg.templatable(config[CONF_CAN_ID], args, cg.uint32)
+        cg.add(var.set_can_id(can_id))
+
+    use_extended_id = yield cg.templatable(config[CONF_USE_EXTENDED_ID], args, cg.uint32)
+    cg.add(var.set_use_extended_id(use_extended_id))
+
+    data = config[CONF_DATA]
+    if isinstance(data, bytes):
+        data = [int(x) for x in data]
+    if cg.is_template(data):
+        templ = yield cg.templatable(data, args, cg.std_vector.template(cg.uint8))
+        cg.add(var.set_data_template(templ))
+    else:
+        cg.add(var.set_data_static(data))
+    yield var

esphome/components/canbus/canbus.cpp

@@ -0,0 +1,87 @@
+#include "canbus.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace canbus {
+
+static const char *TAG = "canbus";
+
+void Canbus::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up Canbus...");
+  if (!this->setup_internal()) {
+    ESP_LOGE(TAG, "setup error!");
+    this->mark_failed();
+  }
+}
+
+void Canbus::dump_config() {
+  if (this->use_extended_id_) {
+    ESP_LOGCONFIG(TAG, "config extended id=0x%08x", this->can_id_);
+  } else {
+    ESP_LOGCONFIG(TAG, "config standard id=0x%03x", this->can_id_);
+  }
+}
+
+void Canbus::send_data(uint32_t can_id, bool use_extended_id, const std::vector<uint8_t> &data) {
+  struct CanFrame can_message;
+
+  uint8_t size = static_cast<uint8_t>(data.size());
+  if (use_extended_id) {
+    ESP_LOGD(TAG, "send extended id=0x%08x size=%d", can_id, size);
+  } else {
+    ESP_LOGD(TAG, "send extended id=0x%03x size=%d", can_id, size);
+  }
+  if (size > CAN_MAX_DATA_LENGTH)
+    size = CAN_MAX_DATA_LENGTH;
+  can_message.can_data_length_code = size;
+  can_message.can_id = can_id;
+  can_message.use_extended_id = use_extended_id;
+
+  for (int i = 0; i < size; i++) {
+    can_message.data[i] = data[i];
+    ESP_LOGVV(TAG, "  data[%d]=%02x", i, can_message.data[i]);
+  }
+
+  this->send_message(&can_message);
+}
+
+void Canbus::add_trigger(CanbusTrigger *trigger) {
+  if (trigger->use_extended_id_) {
+    ESP_LOGVV(TAG, "add trigger for extended canid=0x%08x", trigger->can_id_);
+  } else {
+    ESP_LOGVV(TAG, "add trigger for std canid=0x%03x", trigger->can_id_);
+  }
+  this->triggers_.push_back(trigger);
+};
+
+void Canbus::loop() {
+  struct CanFrame can_message;
+  // readmessage
+  if (this->read_message(&can_message) == canbus::ERROR_OK) {
+    if (can_message.use_extended_id) {
+      ESP_LOGD(TAG, "received can message extended can_id=0x%x size=%d", can_message.can_id,
+               can_message.can_data_length_code);
+    } else {
+      ESP_LOGD(TAG, "received can message std can_id=0x%x size=%d", can_message.can_id,
+               can_message.can_data_length_code);
+    }
+
+    std::vector<uint8_t> data;
+
+    // show data received
+    for (int i = 0; i < can_message.can_data_length_code; i++) {
+      ESP_LOGV(TAG, "  can_message.data[%d]=%02x", i, can_message.data[i]);
+      data.push_back(can_message.data[i]);
+    }
+
+    // fire all triggers
+    for (auto trigger : this->triggers_) {
+      if ((trigger->can_id_ == can_message.can_id) && (trigger->use_extended_id_ == can_message.use_extended_id)) {
+        trigger->trigger(data);
+      }
+    }
+  }
+}
+
+}  // namespace canbus
+}  // namespace esphome

esphome/components/canbus/canbus.h

@@ -0,0 +1,134 @@
+#pragma once
+
+#include "esphome/core/automation.h"
+#include "esphome/core/component.h"
+#include "esphome/core/optional.h"
+
+namespace esphome {
+namespace canbus {
+
+enum Error : uint8_t {
+  ERROR_OK = 0,
+  ERROR_FAIL = 1,
+  ERROR_ALLTXBUSY = 2,
+  ERROR_FAILINIT = 3,
+  ERROR_FAILTX = 4,
+  ERROR_NOMSG = 5
+};
+
+enum CanSpeed : uint8_t {
+  CAN_5KBPS,
+  CAN_10KBPS,
+  CAN_20KBPS,
+  CAN_31K25BPS,
+  CAN_33KBPS,
+  CAN_40KBPS,
+  CAN_50KBPS,
+  CAN_80KBPS,
+  CAN_83K3BPS,
+  CAN_95KBPS,
+  CAN_100KBPS,
+  CAN_125KBPS,
+  CAN_200KBPS,
+  CAN_250KBPS,
+  CAN_500KBPS,
+  CAN_1000KBPS
+};
+
+class CanbusTrigger;
+template<typename... Ts> class CanbusSendAction;
+
+/* CAN payload length definitions according to ISO 11898-1 */
+static const uint8_t CAN_MAX_DATA_LENGTH = 8;
+
+/*
+Can Frame describes a normative CAN Frame
+The RTR = Remote Transmission Request is implemented in every CAN controller but rarely used
+So currently the flag is passed to and from the hardware but currently ignored to the user application.
+*/
+struct CanFrame {
+  bool use_extended_id = false;
+  bool remote_transmission_request = false;
+  uint32_t can_id;              /* 29 or 11 bit CAN_ID  */
+  uint8_t can_data_length_code; /* frame payload length in byte (0 .. CAN_MAX_DATA_LENGTH) */
+  uint8_t data[CAN_MAX_DATA_LENGTH] __attribute__((aligned(8)));
+};
+
+class Canbus : public Component {
+ public:
+  Canbus(){};
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::HARDWARE; }
+  void loop() override;
+
+  void send_data(uint32_t can_id, bool use_extended_id, const std::vector<uint8_t> &data);
+  void set_can_id(uint32_t can_id) { this->can_id_ = can_id; }
+  void set_use_extended_id(bool use_extended_id) { this->use_extended_id_ = use_extended_id; }
+  void set_bitrate(CanSpeed bit_rate) { this->bit_rate_ = bit_rate; }
+
+  void add_trigger(CanbusTrigger *trigger);
+
+ protected:
+  template<typename... Ts> friend class CanbusSendAction;
+  std::vector<CanbusTrigger *> triggers_{};
+  uint32_t can_id_;
+  bool use_extended_id_;
+  CanSpeed bit_rate_;
+
+  virtual bool setup_internal();
+  virtual Error send_message(struct CanFrame *frame);
+  virtual Error read_message(struct CanFrame *frame);
+};
+
+template<typename... Ts> class CanbusSendAction : public Action<Ts...>, public Parented<Canbus> {
+ public:
+  void set_data_template(const std::function<std::vector<uint8_t>(Ts...)> func) {
+    this->data_func_ = func;
+    this->static_ = false;
+  }
+  void set_data_static(const std::vector<uint8_t> &data) {
+    this->data_static_ = data;
+    this->static_ = true;
+  }
+
+  void set_can_id(uint32_t can_id) { this->can_id_ = can_id; }
+
+  void set_use_extended_id(bool use_extended_id) { this->use_extended_id_ = use_extended_id; }
+
+  void play(Ts... x) override {
+    auto can_id = this->can_id_.has_value() ? *this->can_id_ : this->parent_->can_id_;
+    auto use_extended_id =
+        this->use_extended_id_.has_value() ? *this->use_extended_id_ : this->parent_->use_extended_id_;
+    if (this->static_) {
+      this->parent_->send_data(can_id, use_extended_id, this->data_static_);
+    } else {
+      auto val = this->data_func_(x...);
+      this->parent_->send_data(can_id, use_extended_id, val);
+    }
+  }
+
+ protected:
+  optional<uint32_t> can_id_{};
+  optional<bool> use_extended_id_{};
+  bool static_{false};
+  std::function<std::vector<uint8_t>(Ts...)> data_func_{};
+  std::vector<uint8_t> data_static_{};
+};
+
+class CanbusTrigger : public Trigger<std::vector<uint8_t>>, public Component {
+  friend class Canbus;
+
+ public:
+  explicit CanbusTrigger(Canbus *parent, const std::uint32_t can_id, const bool use_extended_id)
+      : parent_(parent), can_id_(can_id), use_extended_id_(use_extended_id){};
+  void setup() override { this->parent_->add_trigger(this); }
+
+ protected:
+  Canbus *parent_;
+  uint32_t can_id_;
+  bool use_extended_id_;
+};
+
+}  // namespace canbus
+}  // namespace esphome

esphome/components/ccs811/ccs811.cpp

@@ -102,10 +102,14 @@ void CCS811Component::send_env_data_() {
   // temperature has a 25° offset to allow negative temperatures
   temperature += 25;
 
-  // only 0.5 fractions are supported (application note)
+  // At page 18 of:
-  auto hum_value = static_cast<uint8_t>(roundf(humidity * 2));
+  // https://cdn.sparkfun.com/datasheets/BreakoutBoards/CCS811_Programming_Guide.pdf
-  auto temp_value = static_cast<uint8_t>(roundf(temperature * 2));
+  // Reference code:
-  this->write_bytes(0x05, {hum_value, 0x00, temp_value, 0x00});
+  // https://github.com/adafruit/Adafruit_CCS811/blob/0990f5c620354d8bc087c4706bec091d8e6e5dfd/Adafruit_CCS811.cpp#L135-L142
+  uint16_t hum_conv = static_cast<uint16_t>(lroundf(humidity * 512.0f + 0.5f));
+  uint16_t temp_conv = static_cast<uint16_t>(lroundf(temperature * 512.0f + 0.5f));
+  this->write_bytes(0x05, {(uint8_t)((hum_conv >> 8) & 0xff), (uint8_t)((hum_conv & 0xff)),
+                           (uint8_t)((temp_conv >> 8) & 0xff), (uint8_t)((temp_conv & 0xff))});
 }
 void CCS811Component::dump_config() {
   ESP_LOGCONFIG(TAG, "CCS811");

esphome/components/daikin/daikin.cpp

@@ -12,8 +12,10 @@ void DaikinClimate::transmit_state() {
                               0x00, 0x00, 0x00, 0x06, 0x60, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00};
 
   remote_state[21] = this->operation_mode_();
-  remote_state[24] = this->fan_speed_();
   remote_state[22] = this->temperature_();
+  uint16_t fan_speed = this->fan_speed_();
+  remote_state[24] = fan_speed >> 8;
+  remote_state[25] = fan_speed & 0xff;
 
   // Calculate checksum
   for (int i = 16; i < 34; i++) {
@@ -90,25 +92,38 @@ uint8_t DaikinClimate::operation_mode_() {
   return operating_mode;
 }
 
-uint8_t DaikinClimate::fan_speed_() {
+uint16_t DaikinClimate::fan_speed_() {
-  uint8_t fan_speed;
+  uint16_t fan_speed;
   switch (this->fan_mode) {
     case climate::CLIMATE_FAN_LOW:
-      fan_speed = DAIKIN_FAN_1;
+      fan_speed = DAIKIN_FAN_1 << 8;
       break;
     case climate::CLIMATE_FAN_MEDIUM:
-      fan_speed = DAIKIN_FAN_3;
+      fan_speed = DAIKIN_FAN_3 << 8;
       break;
     case climate::CLIMATE_FAN_HIGH:
-      fan_speed = DAIKIN_FAN_5;
+      fan_speed = DAIKIN_FAN_5 << 8;
       break;
     case climate::CLIMATE_FAN_AUTO:
     default:
-      fan_speed = DAIKIN_FAN_AUTO;
+      fan_speed = DAIKIN_FAN_AUTO << 8;
   }
 
   // If swing is enabled switch first 4 bits to 1111
-  return this->swing_mode == climate::CLIMATE_SWING_VERTICAL ? fan_speed | 0xF : fan_speed;
+  switch (this->swing_mode) {
+    case climate::CLIMATE_SWING_VERTICAL:
+      fan_speed |= 0x0F00;
+      break;
+    case climate::CLIMATE_SWING_HORIZONTAL:
+      fan_speed |= 0x000F;
+      break;
+    case climate::CLIMATE_SWING_BOTH:
+      fan_speed |= 0x0F0F;
+      break;
+    default:
+      break;
+  }
+  return fan_speed;
 }
 
 uint8_t DaikinClimate::temperature_() {
@@ -159,13 +174,19 @@ bool DaikinClimate::parse_state_frame_(const uint8_t frame[]) {
     this->target_temperature = temperature >> 1;
   }
   uint8_t fan_mode = frame[8];
-  if (fan_mode & 0xF)
+  uint8_t swing_mode = frame[9];
+  if (fan_mode & 0xF && swing_mode & 0xF)
+    this->swing_mode = climate::CLIMATE_SWING_BOTH;
+  else if (fan_mode & 0xF)
     this->swing_mode = climate::CLIMATE_SWING_VERTICAL;
+  else if (swing_mode & 0xF)
+    this->swing_mode = climate::CLIMATE_SWING_HORIZONTAL;
   else
     this->swing_mode = climate::CLIMATE_SWING_OFF;
   switch (fan_mode & 0xF0) {
     case DAIKIN_FAN_1:
     case DAIKIN_FAN_2:
+    case DAIKIN_FAN_SILENT:
       this->fan_mode = climate::CLIMATE_FAN_LOW;
       break;
     case DAIKIN_FAN_3:

esphome/components/daikin/daikin.h

@@ -21,6 +21,7 @@ const uint8_t DAIKIN_MODE_ON = 0x01;
 
 // Fan Speed
 const uint8_t DAIKIN_FAN_AUTO = 0xA0;
+const uint8_t DAIKIN_FAN_SILENT = 0xB0;
 const uint8_t DAIKIN_FAN_1 = 0x30;
 const uint8_t DAIKIN_FAN_2 = 0x40;
 const uint8_t DAIKIN_FAN_3 = 0x50;
@@ -46,13 +47,14 @@ class DaikinClimate : public climate_ir::ClimateIR {
             DAIKIN_TEMP_MIN, DAIKIN_TEMP_MAX, 1.0f, true, true,
             std::vector<climate::ClimateFanMode>{climate::CLIMATE_FAN_AUTO, climate::CLIMATE_FAN_LOW,
                                                  climate::CLIMATE_FAN_MEDIUM, climate::CLIMATE_FAN_HIGH},
-            std::vector<climate::ClimateSwingMode>{climate::CLIMATE_SWING_OFF, climate::CLIMATE_SWING_VERTICAL}) {}
+            std::vector<climate::ClimateSwingMode>{climate::CLIMATE_SWING_OFF, climate::CLIMATE_SWING_VERTICAL,
+                                                   climate::CLIMATE_SWING_HORIZONTAL, climate::CLIMATE_SWING_BOTH}) {}
 
  protected:
   // Transmit via IR the state of this climate controller.
   void transmit_state() override;
   uint8_t operation_mode_();
-  uint8_t fan_speed_();
+  uint16_t fan_speed_();
   uint8_t temperature_();
   // Handle received IR Buffer
   bool on_receive(remote_base::RemoteReceiveData data) override;

esphome/components/display/display_buffer.cpp

@@ -299,7 +299,7 @@ void DisplayBuffer::printf(int x, int y, Font *font, TextAlign align, const char
 void DisplayBuffer::printf(int x, int y, Font *font, const char *format, ...) {
   va_list arg;
   va_start(arg, format);
-  this->vprintf_(x, y, font, COLOR_ON, TextAlign::CENTER_LEFT, format, arg);
+  this->vprintf_(x, y, font, COLOR_ON, TextAlign::TOP_LEFT, format, arg);
   va_end(arg);
 }
 void DisplayBuffer::set_writer(display_writer_t &&writer) { this->writer_ = writer; }
@@ -474,6 +474,51 @@ ImageType Image::get_type() const { return this->type_; }
 Image::Image(const uint8_t *data_start, int width, int height, ImageType type)
     : width_(width), height_(height), type_(type), data_start_(data_start) {}
 
+bool Animation::get_pixel(int x, int y) const {
+  if (x < 0 || x >= this->width_ || y < 0 || y >= this->height_)
+    return false;
+  const uint32_t width_8 = ((this->width_ + 7u) / 8u) * 8u;
+  const uint32_t frame_index = this->height_ * width_8 * this->current_frame_;
+  if (frame_index >= this->width_ * this->height_ * this->animation_frame_count_)
+    return false;
+  const uint32_t pos = x + y * width_8 + frame_index;
+  return pgm_read_byte(this->data_start_ + (pos / 8u)) & (0x80 >> (pos % 8u));
+}
+Color Animation::get_color_pixel(int x, int y) const {
+  if (x < 0 || x >= this->width_ || y < 0 || y >= this->height_)
+    return 0;
+  const uint32_t frame_index = this->width_ * this->height_ * this->current_frame_;
+  if (frame_index >= this->width_ * this->height_ * this->animation_frame_count_)
+    return 0;
+  const uint32_t pos = (x + y * this->width_ + frame_index) * 3;
+  const uint32_t color32 = (pgm_read_byte(this->data_start_ + pos + 2) << 0) |
+                           (pgm_read_byte(this->data_start_ + pos + 1) << 8) |
+                           (pgm_read_byte(this->data_start_ + pos + 0) << 16);
+  return Color(color32);
+}
+Color Animation::get_grayscale_pixel(int x, int y) const {
+  if (x < 0 || x >= this->width_ || y < 0 || y >= this->height_)
+    return 0;
+  const uint32_t frame_index = this->width_ * this->height_ * this->current_frame_;
+  if (frame_index >= this->width_ * this->height_ * this->animation_frame_count_)
+    return 0;
+  const uint32_t pos = (x + y * this->width_ + frame_index);
+  const uint8_t gray = pgm_read_byte(this->data_start_ + pos);
+  return Color(gray | gray << 8 | gray << 16 | gray << 24);
+}
+Animation::Animation(const uint8_t *data_start, int width, int height, uint32_t animation_frame_count, ImageType type)
+    : Image(data_start, width, height, type), animation_frame_count_(animation_frame_count) {
+  current_frame_ = 0;
+}
+int Animation::get_animation_frame_count() const { return this->animation_frame_count_; }
+int Animation::get_current_frame() const { return this->current_frame_; }
+void Animation::next_frame() {
+  this->current_frame_++;
+  if (this->current_frame_ >= animation_frame_count_) {
+    this->current_frame_ = 0;
+  }
+}
+
 DisplayPage::DisplayPage(const display_writer_t &writer) : writer_(writer) {}
 void DisplayPage::show() { this->parent_->show_page(this); }
 void DisplayPage::show_next() { this->next_->show(); }

esphome/components/display/display_buffer.h

@@ -388,9 +388,9 @@ class Font {
 class Image {
  public:
   Image(const uint8_t *data_start, int width, int height, ImageType type);
-  bool get_pixel(int x, int y) const;
+  virtual bool get_pixel(int x, int y) const;
-  Color get_color_pixel(int x, int y) const;
+  virtual Color get_color_pixel(int x, int y) const;
-  Color get_grayscale_pixel(int x, int y) const;
+  virtual Color get_grayscale_pixel(int x, int y) const;
   int get_width() const;
   int get_height() const;
   ImageType get_type() const;
@@ -402,6 +402,22 @@ class Image {
   const uint8_t *data_start_;
 };
 
+class Animation : public Image {
+ public:
+  Animation(const uint8_t *data_start, int width, int height, uint32_t animation_frame_count, ImageType type);
+  bool get_pixel(int x, int y) const override;
+  Color get_color_pixel(int x, int y) const override;
+  Color get_grayscale_pixel(int x, int y) const override;
+
+  int get_animation_frame_count() const;
+  int get_current_frame() const;
+  void next_frame();
+
+ protected:
+  int current_frame_;
+  int animation_frame_count_;
+};
+
 template<typename... Ts> class DisplayPageShowAction : public Action<Ts...> {
  public:
   TEMPLATABLE_VALUE(DisplayPage *, page)

esphome/components/ds1307/ds1307.cpp

@@ -0,0 +1,105 @@
+#include "ds1307.h"
+#include "esphome/core/log.h"
+
+// Datasheet:
+// - https://datasheets.maximintegrated.com/en/ds/DS1307.pdf
+
+namespace esphome {
+namespace ds1307 {
+
+static const char *TAG = "ds1307";
+
+void DS1307Component::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up DS1307...");
+  if (!this->read_rtc_()) {
+    this->mark_failed();
+  }
+}
+
+void DS1307Component::update() { this->read_time(); }
+
+void DS1307Component::dump_config() {
+  ESP_LOGCONFIG(TAG, "DS1307:");
+  LOG_I2C_DEVICE(this);
+  if (this->is_failed()) {
+    ESP_LOGE(TAG, "Communication with DS1307 failed!");
+  }
+  ESP_LOGCONFIG(TAG, "  Timezone: '%s'", this->timezone_.c_str());
+}
+
+float DS1307Component::get_setup_priority() const { return setup_priority::DATA; }
+
+void DS1307Component::read_time() {
+  if (!this->read_rtc_()) {
+    return;
+  }
+  if (ds1307_.reg.ch) {
+    ESP_LOGW(TAG, "RTC halted, not syncing to system clock.");
+    return;
+  }
+  time::ESPTime rtc_time{.second = uint8_t(ds1307_.reg.second + 10 * ds1307_.reg.second_10),
+                         .minute = uint8_t(ds1307_.reg.minute + 10u * ds1307_.reg.minute_10),
+                         .hour = uint8_t(ds1307_.reg.hour + 10u * ds1307_.reg.hour_10),
+                         .day_of_week = uint8_t(ds1307_.reg.weekday),
+                         .day_of_month = uint8_t(ds1307_.reg.day + 10u * ds1307_.reg.day_10),
+                         .day_of_year = 1,  // ignored by recalc_timestamp_utc(false)
+                         .month = uint8_t(ds1307_.reg.month + 10u * ds1307_.reg.month_10),
+                         .year = uint16_t(ds1307_.reg.year + 10u * ds1307_.reg.year_10 + 2000)};
+  rtc_time.recalc_timestamp_utc(false);
+  if (!rtc_time.is_valid()) {
+    ESP_LOGE(TAG, "Invalid RTC time, not syncing to system clock.");
+    return;
+  }
+  time::RealTimeClock::synchronize_epoch_(rtc_time.timestamp);
+}
+
+void DS1307Component::write_time() {
+  auto now = time::RealTimeClock::utcnow();
+  if (!now.is_valid()) {
+    ESP_LOGE(TAG, "Invalid system time, not syncing to RTC.");
+    return;
+  }
+  ds1307_.reg.year = (now.year - 2000) % 10;
+  ds1307_.reg.year_10 = (now.year - 2000) / 10 % 10;
+  ds1307_.reg.month = now.month % 10;
+  ds1307_.reg.month_10 = now.month / 10;
+  ds1307_.reg.day = now.day_of_month % 10;
+  ds1307_.reg.day_10 = now.day_of_month / 10;
+  ds1307_.reg.weekday = now.day_of_week;
+  ds1307_.reg.hour = now.hour % 10;
+  ds1307_.reg.hour_10 = now.hour / 10;
+  ds1307_.reg.minute = now.minute % 10;
+  ds1307_.reg.minute_10 = now.minute / 10;
+  ds1307_.reg.second = now.second % 10;
+  ds1307_.reg.second_10 = now.second / 10;
+  ds1307_.reg.ch = false;
+
+  this->write_rtc_();
+}
+
+bool DS1307Component::read_rtc_() {
+  if (!this->read_bytes(0, this->ds1307_.raw, sizeof(this->ds1307_.raw))) {
+    ESP_LOGE(TAG, "Can't read I2C data.");
+    return false;
+  }
+  ESP_LOGD(TAG, "Read  %0u%0u:%0u%0u:%0u%0u 20%0u%0u-%0u%0u-%0u%0u  CH:%s RS:%0u SQWE:%s OUT:%s", ds1307_.reg.hour_10,
+           ds1307_.reg.hour, ds1307_.reg.minute_10, ds1307_.reg.minute, ds1307_.reg.second_10, ds1307_.reg.second,
+           ds1307_.reg.year_10, ds1307_.reg.year, ds1307_.reg.month_10, ds1307_.reg.month, ds1307_.reg.day_10,
+           ds1307_.reg.day, ONOFF(ds1307_.reg.ch), ds1307_.reg.rs, ONOFF(ds1307_.reg.sqwe), ONOFF(ds1307_.reg.out));
+
+  return true;
+}
+
+bool DS1307Component::write_rtc_() {
+  if (!this->write_bytes(0, this->ds1307_.raw, sizeof(this->ds1307_.raw))) {
+    ESP_LOGE(TAG, "Can't write I2C data.");
+    return false;
+  }
+  ESP_LOGD(TAG, "Write %0u%0u:%0u%0u:%0u%0u 20%0u%0u-%0u%0u-%0u%0u  CH:%s RS:%0u SQWE:%s OUT:%s", ds1307_.reg.hour_10,
+           ds1307_.reg.hour, ds1307_.reg.minute_10, ds1307_.reg.minute, ds1307_.reg.second_10, ds1307_.reg.second,
+           ds1307_.reg.year_10, ds1307_.reg.year, ds1307_.reg.month_10, ds1307_.reg.month, ds1307_.reg.day_10,
+           ds1307_.reg.day, ONOFF(ds1307_.reg.ch), ds1307_.reg.rs, ONOFF(ds1307_.reg.sqwe), ONOFF(ds1307_.reg.out));
+  return true;
+}
+}  // namespace ds1307
+}  // namespace esphome

esphome/components/ds1307/ds1307.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/i2c/i2c.h"
+#include "esphome/components/time/real_time_clock.h"
+
+namespace esphome {
+namespace ds1307 {
+
+class DS1307Component : public time::RealTimeClock, public i2c::I2CDevice {
+ public:
+  void setup() override;
+  void update() override;
+  void dump_config() override;
+  float get_setup_priority() const override;
+  void read_time();
+  void write_time();
+
+ protected:
+  bool read_rtc_();
+  bool write_rtc_();
+  union DS1307Reg {
+    struct {
+      uint8_t second : 4;
+      uint8_t second_10 : 3;
+      bool ch : 1;
+
+      uint8_t minute : 4;
+      uint8_t minute_10 : 3;
+      uint8_t unused_1 : 1;
+
+      uint8_t hour : 4;
+      uint8_t hour_10 : 2;
+      uint8_t unused_2 : 2;
+
+      uint8_t weekday : 3;
+      uint8_t unused_3 : 5;
+
+      uint8_t day : 4;
+      uint8_t day_10 : 2;
+      uint8_t unused_4 : 2;
+
+      uint8_t month : 4;
+      uint8_t month_10 : 1;
+      uint8_t unused_5 : 3;
+
+      uint8_t year : 4;
+      uint8_t year_10 : 4;
+
+      uint8_t rs : 2;
+      uint8_t unused_6 : 2;
+      bool sqwe : 1;
+      uint8_t unused_7 : 2;
+      bool out : 1;
+    } reg;
+    mutable uint8_t raw[sizeof(reg)];
+  } ds1307_;
+};
+
+template<typename... Ts> class WriteAction : public Action<Ts...>, public Parented<DS1307Component> {
+ public:
+  void play(Ts... x) override { this->parent_->write_time(); }
+};
+
+template<typename... Ts> class ReadAction : public Action<Ts...>, public Parented<DS1307Component> {
+ public:
+  void play(Ts... x) override { this->parent_->read_time(); }
+};
+}  // namespace ds1307
+}  // namespace esphome

esphome/components/ds1307/time.py

@@ -0,0 +1,44 @@
+import esphome.config_validation as cv
+import esphome.codegen as cg
+from esphome import automation
+from esphome.components import i2c, time
+from esphome.const import CONF_ID
+
+
+CODEOWNERS = ['@badbadc0ffee']
+DEPENDENCIES = ['i2c']
+ds1307_ns = cg.esphome_ns.namespace('ds1307')
+DS1307Component = ds1307_ns.class_('DS1307Component', time.RealTimeClock, i2c.I2CDevice)
+WriteAction = ds1307_ns.class_('WriteAction', automation.Action)
+ReadAction = ds1307_ns.class_('ReadAction', automation.Action)
+
+
+CONFIG_SCHEMA = time.TIME_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_id(DS1307Component),
+}).extend(i2c.i2c_device_schema(0x68))
+
+
+@automation.register_action('ds1307.write_time', WriteAction, cv.Schema({
+    cv.GenerateID(): cv.use_id(DS1307Component),
+}))
+def ds1307_write_time_to_code(config, action_id, template_arg, args):
+    var = cg.new_Pvariable(action_id, template_arg)
+    yield cg.register_parented(var, config[CONF_ID])
+    yield var
+
+
+@automation.register_action('ds1307.read_time', ReadAction, automation.maybe_simple_id({
+    cv.GenerateID(): cv.use_id(DS1307Component),
+}))
+def ds1307_read_time_to_code(config, action_id, template_arg, args):
+    var = cg.new_Pvariable(action_id, template_arg)
+    yield cg.register_parented(var, config[CONF_ID])
+    yield var
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+
+    yield cg.register_component(var, config)
+    yield i2c.register_i2c_device(var, config)
+    yield time.register_time(var, config)

esphome/components/esp32_camera/__init__.py

@@ -2,7 +2,8 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome import pins
 from esphome.const import CONF_FREQUENCY, CONF_ID, CONF_NAME, CONF_PIN, CONF_SCL, CONF_SDA, \
-    ESP_PLATFORM_ESP32, CONF_DATA_PINS, CONF_RESET_PIN, CONF_RESOLUTION, CONF_BRIGHTNESS
+    ESP_PLATFORM_ESP32, CONF_DATA_PINS, CONF_RESET_PIN, CONF_RESOLUTION, CONF_BRIGHTNESS, \
+    CONF_CONTRAST
 
 ESP_PLATFORMS = [ESP_PLATFORM_ESP32]
 DEPENDENCIES = ['api']
@@ -47,7 +48,6 @@ CONF_IDLE_FRAMERATE = 'idle_framerate'
 CONF_JPEG_QUALITY = 'jpeg_quality'
 CONF_VERTICAL_FLIP = 'vertical_flip'
 CONF_HORIZONTAL_MIRROR = 'horizontal_mirror'
-CONF_CONTRAST = 'contrast'
 CONF_SATURATION = 'saturation'
 CONF_TEST_PATTERN = 'test_pattern'
 

esphome/components/ezo/ezo.cpp

@@ -0,0 +1,86 @@
+#include "ezo.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace ezo {
+
+static const char *TAG = "ezo.sensor";
+
+static const uint16_t EZO_STATE_WAIT = 1;
+static const uint16_t EZO_STATE_SEND_TEMP = 2;
+static const uint16_t EZO_STATE_WAIT_TEMP = 4;
+
+void EZOSensor::dump_config() {
+  LOG_SENSOR("", "EZO", this);
+  LOG_I2C_DEVICE(this);
+  if (this->is_failed())
+    ESP_LOGE(TAG, "Communication with EZO circuit failed!");
+  LOG_UPDATE_INTERVAL(this);
+}
+
+void EZOSensor::update() {
+  if (this->state_ & EZO_STATE_WAIT) {
+    ESP_LOGE(TAG, "update overrun, still waiting for previous response");
+    return;
+  }
+  uint8_t c = 'R';
+  this->write_bytes_raw(&c, 1);
+  this->state_ |= EZO_STATE_WAIT;
+  this->start_time_ = millis();
+  this->wait_time_ = 900;
+}
+
+void EZOSensor::loop() {
+  uint8_t buf[20];
+  if (!(this->state_ & EZO_STATE_WAIT)) {
+    if (this->state_ & EZO_STATE_SEND_TEMP) {
+      int len = sprintf((char *) buf, "T,%0.3f", this->tempcomp_);
+      this->write_bytes_raw(buf, len);
+      this->state_ = EZO_STATE_WAIT | EZO_STATE_WAIT_TEMP;
+      this->start_time_ = millis();
+      this->wait_time_ = 300;
+    }
+    return;
+  }
+  if (millis() - this->start_time_ < this->wait_time_)
+    return;
+  buf[0] = 0;
+  if (!this->read_bytes_raw(buf, 20)) {
+    ESP_LOGE(TAG, "read error");
+    this->state_ = 0;
+    return;
+  }
+  switch (buf[0]) {
+    case 1:
+      break;
+    case 2:
+      ESP_LOGE(TAG, "device returned a syntax error");
+      break;
+    case 254:
+      return;  // keep waiting
+    case 255:
+      ESP_LOGE(TAG, "device returned no data");
+      break;
+    default:
+      ESP_LOGE(TAG, "device returned an unknown response: %d", buf[0]);
+      break;
+  }
+  if (this->state_ & EZO_STATE_WAIT_TEMP) {
+    this->state_ = 0;
+    return;
+  }
+  this->state_ &= ~EZO_STATE_WAIT;
+  if (buf[0] != 1)
+    return;
+
+  float val = strtof((char *) &buf[1], nullptr);
+  this->publish_state(val);
+}
+
+void EZOSensor::set_tempcomp_value(float temp) {
+  this->tempcomp_ = temp;
+  this->state_ |= EZO_STATE_SEND_TEMP;
+}
+
+}  // namespace ezo
+}  // namespace esphome

esphome/components/ezo/ezo.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace ezo {
+
+/// This class implements support for the EZO circuits in i2c mode
+class EZOSensor : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
+ public:
+  void loop() override;
+  void dump_config() override;
+  void update() override;
+  float get_setup_priority() const override { return setup_priority::DATA; };
+
+  void set_tempcomp_value(float temp);
+
+ protected:
+  unsigned long start_time_ = 0;
+  unsigned long wait_time_ = 0;
+  uint16_t state_ = 0;
+  float tempcomp_;
+};
+
+}  // namespace ezo
+}  // namespace esphome

esphome/components/ezo/sensor.py

@@ -0,0 +1,23 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import i2c, sensor
+from esphome.const import CONF_ID
+
+CODEOWNERS = ['@ssieb']
+
+DEPENDENCIES = ['i2c']
+
+ezo_ns = cg.esphome_ns.namespace('ezo')
+
+EZOSensor = ezo_ns.class_('EZOSensor', sensor.Sensor, cg.PollingComponent, i2c.I2CDevice)
+
+CONFIG_SCHEMA = sensor.SENSOR_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_id(EZOSensor),
+}).extend(cv.polling_component_schema('60s')).extend(i2c.i2c_device_schema(None))
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield cg.register_component(var, config)
+    yield sensor.register_sensor(var, config)
+    yield i2c.register_i2c_device(var, config)

esphome/components/fastled_base/fastled_light.h

@@ -38,7 +38,7 @@ class FastLEDLightOutput : public light::AddressableLight {
     return *this->controller_;
   }
 
-  template<ESPIChipsets CHIPSET, uint8_t DATA_PIN, uint8_t CLOCK_PIN, EOrder RGB_ORDER, uint8_t SPI_DATA_RATE>
+  template<ESPIChipsets CHIPSET, uint8_t DATA_PIN, uint8_t CLOCK_PIN, EOrder RGB_ORDER, uint32_t SPI_DATA_RATE>
   CLEDController &add_leds(int num_leds) {
     switch (CHIPSET) {
       case LPD8806: {

esphome/components/fastled_spi/light.py

@@ -2,7 +2,8 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome import pins
 from esphome.components import fastled_base
-from esphome.const import CONF_CHIPSET, CONF_CLOCK_PIN, CONF_DATA_PIN, CONF_NUM_LEDS, CONF_RGB_ORDER
+from esphome.const import CONF_CHIPSET, CONF_CLOCK_PIN, CONF_DATA_PIN, CONF_DATA_RATE, \
+        CONF_NUM_LEDS, CONF_RGB_ORDER
 
 AUTO_LOAD = ['fastled_base']
 
@@ -21,15 +22,24 @@ CONFIG_SCHEMA = fastled_base.BASE_SCHEMA.extend({
     cv.Required(CONF_CHIPSET): cv.one_of(*CHIPSETS, upper=True),
     cv.Required(CONF_DATA_PIN): pins.output_pin,
     cv.Required(CONF_CLOCK_PIN): pins.output_pin,
+    cv.Optional(CONF_DATA_RATE): cv.frequency,
 })
 
 
 def to_code(config):
     var = yield fastled_base.new_fastled_light(config)
 
-    rgb_order = None
+    rgb_order = cg.RawExpression(config[CONF_RGB_ORDER] if CONF_RGB_ORDER in config else "RGB")
-    if CONF_RGB_ORDER in config:
+    data_rate = None
-        rgb_order = cg.RawExpression(config[CONF_RGB_ORDER])
+
+    if CONF_DATA_RATE in config:
+        data_rate_khz = int(config[CONF_DATA_RATE] / 1000)
+        if data_rate_khz < 1000:
+            data_rate = cg.RawExpression(f"DATA_RATE_KHZ({data_rate_khz})")
+        else:
+            data_rate_mhz = int(data_rate_khz / 1000)
+            data_rate = cg.RawExpression(f"DATA_RATE_MHZ({data_rate_mhz})")
     template_args = cg.TemplateArguments(cg.RawExpression(config[CONF_CHIPSET]),
-                                         config[CONF_DATA_PIN], config[CONF_CLOCK_PIN], rgb_order)
+                                         config[CONF_DATA_PIN], config[CONF_CLOCK_PIN], rgb_order,
+                                         data_rate)
     cg.add(var.add_leds(template_args, config[CONF_NUM_LEDS]))

esphome/components/font/__init__.py

@@ -42,9 +42,9 @@ def validate_glyphs(value):
 def validate_pillow_installed(value):
     try:
         import PIL
-    except ImportError:
+    except ImportError as err:
         raise cv.Invalid("Please install the pillow python package to use this feature. "
-                         "(pip install pillow)")
+                         "(pip install pillow)") from err
 
     if PIL.__version__[0] < '4':
         raise cv.Invalid("Please update your pillow installation to at least 4.0.x. "

esphome/components/fujitsu_general/fujitsu_general.cpp

@@ -36,7 +36,10 @@ const uint8_t FUJITSU_GENERAL_FAN_HIGH_BYTE10 = 0x01;
 const uint8_t FUJITSU_GENERAL_FAN_MEDIUM_BYTE10 = 0x02;
 const uint8_t FUJITSU_GENERAL_FAN_LOW_BYTE10 = 0x03;
 const uint8_t FUJITSU_GENERAL_FAN_SILENT_BYTE10 = 0x04;
-const uint8_t FUJITSU_GENERAL_SWING_MASK_BYTE10 = 0b00010000;
+const uint8_t FUJITSU_GENERAL_SWING_NONE_BYTE10 = 0x00;
+const uint8_t FUJITSU_GENERAL_SWING_VERTICAL_BYTE10 = 0x01;
+const uint8_t FUJITSU_GENERAL_SWING_HORIZONTAL_BYTE10 = 0x02;
+const uint8_t FUJITSU_GENERAL_SWING_BOTH_BYTE10 = 0x03;
 const uint8_t FUJITSU_GENERAL_BASE_BYTE10 = 0x00;
 
 const uint8_t FUJITSU_GENERAL_BASE_BYTE11 = 0x00;
@@ -74,7 +77,12 @@ const uint16_t FUJITSU_GENERAL_TRL_SPACE = 8000;
 
 const uint32_t FUJITSU_GENERAL_CARRIER_FREQUENCY = 38000;
 
-FujitsuGeneralClimate::FujitsuGeneralClimate() : ClimateIR(FUJITSU_GENERAL_TEMP_MIN, FUJITSU_GENERAL_TEMP_MAX, 1) {}
+FujitsuGeneralClimate::FujitsuGeneralClimate()
+    : ClimateIR(
+          FUJITSU_GENERAL_TEMP_MIN, FUJITSU_GENERAL_TEMP_MAX, 1.0f, true, true,
+          {climate::CLIMATE_FAN_AUTO, climate::CLIMATE_FAN_LOW, climate::CLIMATE_FAN_MEDIUM, climate::CLIMATE_FAN_HIGH},
+          {climate::CLIMATE_SWING_OFF, climate::CLIMATE_SWING_VERTICAL, climate::CLIMATE_SWING_HORIZONTAL,
+           climate::CLIMATE_SWING_BOTH}) {}
 
 void FujitsuGeneralClimate::transmit_state() {
   if (this->mode == climate::CLIMATE_MODE_OFF) {
@@ -101,8 +109,8 @@ void FujitsuGeneralClimate::transmit_state() {
   remote_state[15] = FUJITSU_GENERAL_BASE_BYTE15;
 
   // Set temperature
-  uint8_t safecelsius = std::max((uint8_t) this->target_temperature, FUJITSU_GENERAL_TEMP_MIN);
+  auto safecelsius =
-  safecelsius = std::min(safecelsius, FUJITSU_GENERAL_TEMP_MAX);
+      (uint8_t) roundf(clamp(this->target_temperature, FUJITSU_GENERAL_TEMP_MIN, FUJITSU_GENERAL_TEMP_MAX));
   remote_state[8] = (byte) safecelsius - 16;
   remote_state[8] = remote_state[8] << 4;
 
@@ -119,18 +127,52 @@ void FujitsuGeneralClimate::transmit_state() {
     case climate::CLIMATE_MODE_HEAT:
       remote_state[9] = FUJITSU_GENERAL_MODE_HEAT_BYTE9;
       break;
+    case climate::CLIMATE_MODE_DRY:
+      remote_state[9] = FUJITSU_GENERAL_MODE_DRY_BYTE9;
+      break;
+    case climate::CLIMATE_MODE_FAN_ONLY:
+      remote_state[9] = FUJITSU_GENERAL_MODE_FAN_BYTE9;
+      break;
     case climate::CLIMATE_MODE_AUTO:
     default:
       remote_state[9] = FUJITSU_GENERAL_MODE_AUTO_BYTE9;
       break;
-      // TODO: CLIMATE_MODE_FAN_ONLY, CLIMATE_MODE_DRY, CLIMATE_MODE_10C are missing in esphome
+      // TODO: CLIMATE_MODE_10C are missing in esphome
   }
 
-  // TODO: missing support for fan speed
+  // Set fan
+  switch (this->fan_mode) {
+    case climate::CLIMATE_FAN_HIGH:
+      remote_state[10] = FUJITSU_GENERAL_FAN_HIGH_BYTE10;
+      break;
+    case climate::CLIMATE_FAN_MEDIUM:
+      remote_state[10] = FUJITSU_GENERAL_FAN_MEDIUM_BYTE10;
+      break;
+    case climate::CLIMATE_FAN_LOW:
+      remote_state[10] = FUJITSU_GENERAL_FAN_LOW_BYTE10;
+      break;
+    case climate::CLIMATE_FAN_AUTO:
+    default:
       remote_state[10] = FUJITSU_GENERAL_FAN_AUTO_BYTE10;
+      break;
+  }
 
-  // TODO: missing support for swing
+  // Set swing
-  // remote_state[10] = (byte) remote_state[10] | FUJITSU_GENERAL_SWING_MASK_BYTE10;
+  switch (this->swing_mode) {
+    case climate::CLIMATE_SWING_VERTICAL:
+      remote_state[10] = (byte) remote_state[10] | (FUJITSU_GENERAL_SWING_VERTICAL_BYTE10 << 4);
+      break;
+    case climate::CLIMATE_SWING_HORIZONTAL:
+      remote_state[10] = (byte) remote_state[10] | (FUJITSU_GENERAL_SWING_HORIZONTAL_BYTE10 << 4);
+      break;
+    case climate::CLIMATE_SWING_BOTH:
+      remote_state[10] = (byte) remote_state[10] | (FUJITSU_GENERAL_SWING_BOTH_BYTE10 << 4);
+      break;
+    case climate::CLIMATE_SWING_OFF:
+    default:
+      remote_state[10] = (byte) remote_state[10] | (FUJITSU_GENERAL_SWING_NONE_BYTE10 << 4);
+      break;
+  }
 
   // TODO: missing support for outdoor unit low noise
   // remote_state[14] = (byte) remote_state[14] | FUJITSU_GENERAL_OUTDOOR_UNIT_LOW_NOISE_BYTE14;

esphome/components/gps/time/__init__.py

@@ -6,12 +6,12 @@ from .. import gps_ns, GPSListener, CONF_GPS_ID, GPS
 
 DEPENDENCIES = ['gps']
 
-GPSTime = gps_ns.class_('GPSTime', time_.RealTimeClock, GPSListener)
+GPSTime = gps_ns.class_('GPSTime', cg.PollingComponent, time_.RealTimeClock, GPSListener)
 
 CONFIG_SCHEMA = time_.TIME_SCHEMA.extend({
     cv.GenerateID(): cv.declare_id(GPSTime),
     cv.GenerateID(CONF_GPS_ID): cv.use_id(GPS),
-}).extend(cv.COMPONENT_SCHEMA)
+}).extend(cv.polling_component_schema('5min'))
 
 
 def to_code(config):

esphome/components/gps/time/gps_time.h

@@ -9,13 +9,11 @@ namespace gps {
 
 class GPSTime : public time::RealTimeClock, public GPSListener {
  public:
+  void update() override { this->from_tiny_gps_(this->get_tiny_gps()); };
   void on_update(TinyGPSPlus &tiny_gps) override {
     if (!this->has_time_)
       this->from_tiny_gps_(tiny_gps);
   }
-  void setup() override {
-    this->set_interval(5 * 60 * 1000, [this]() { this->from_tiny_gps_(this->get_tiny_gps()); });
-  }
 
  protected:
   void from_tiny_gps_(TinyGPSPlus &tiny_gps);

esphome/components/hbridge/hbridge_light_output.h

@@ -0,0 +1,76 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/output/float_output.h"
+#include "esphome/components/light/light_output.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace hbridge {
+
+// Using PollingComponent as the updates are more consistent and reduces flickering
+class HBridgeLightOutput : public PollingComponent, public light::LightOutput {
+ public:
+  HBridgeLightOutput() : PollingComponent(1) {}
+
+  void set_pina_pin(output::FloatOutput *pina_pin) { pina_pin_ = pina_pin; }
+  void set_pinb_pin(output::FloatOutput *pinb_pin) { pinb_pin_ = pinb_pin; }
+
+  light::LightTraits get_traits() override {
+    auto traits = light::LightTraits();
+    traits.set_supports_brightness(true);  // Dimming
+    traits.set_supports_rgb(false);
+    traits.set_supports_rgb_white_value(true);  // hbridge color
+    traits.set_supports_color_temperature(false);
+    return traits;
+  }
+
+  void setup() override { this->forward_direction_ = false; }
+
+  void update() override {
+    // This method runs around 60 times per second
+    // We cannot do the PWM ourselves so we are reliant on the hardware PWM
+    if (!this->forward_direction_) {  // First LED Direction
+      this->pinb_pin_->set_level(this->duty_off_);
+      this->pina_pin_->set_level(this->pina_duty_);
+      this->forward_direction_ = true;
+    } else {  // Second LED Direction
+      this->pina_pin_->set_level(this->duty_off_);
+      this->pinb_pin_->set_level(this->pinb_duty_);
+      this->forward_direction_ = false;
+    }
+  }
+
+  float get_setup_priority() const override { return setup_priority::HARDWARE; }
+
+  void write_state(light::LightState *state) override {
+    float bright;
+    state->current_values_as_brightness(&bright);
+
+    state->set_gamma_correct(0);
+    float red, green, blue, white;
+    state->current_values_as_rgbw(&red, &green, &blue, &white);
+
+    if ((white / bright) > 0.55) {
+      this->pina_duty_ = (bright * (1 - (white / bright)));
+      this->pinb_duty_ = bright;
+    } else if (white < 0.45) {
+      this->pina_duty_ = bright;
+      this->pinb_duty_ = white;
+    } else {
+      this->pina_duty_ = bright;
+      this->pinb_duty_ = bright;
+    }
+  }
+
+ protected:
+  output::FloatOutput *pina_pin_;
+  output::FloatOutput *pinb_pin_;
+  float pina_duty_ = 0;
+  float pinb_duty_ = 0;
+  float duty_off_ = 0;
+  bool forward_direction_ = false;
+};
+
+}  // namespace hbridge
+}  // namespace esphome

esphome/components/hbridge/light.py

@@ -0,0 +1,24 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import light, output
+from esphome.const import CONF_OUTPUT_ID, CONF_PIN_A, CONF_PIN_B
+
+hbridge_ns = cg.esphome_ns.namespace('hbridge')
+HBridgeLightOutput = hbridge_ns.class_('HBridgeLightOutput', cg.PollingComponent, light.LightOutput)
+
+CONFIG_SCHEMA = light.RGB_LIGHT_SCHEMA.extend({
+    cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(HBridgeLightOutput),
+    cv.Required(CONF_PIN_A): cv.use_id(output.FloatOutput),
+    cv.Required(CONF_PIN_B): cv.use_id(output.FloatOutput),
+})
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_OUTPUT_ID])
+    yield cg.register_component(var, config)
+    yield light.register_light(var, config)
+
+    hside = yield cg.get_variable(config[CONF_PIN_A])
+    cg.add(var.set_pina_pin(hside))
+    lside = yield cg.get_variable(config[CONF_PIN_B])
+    cg.add(var.set_pinb_pin(lside))

esphome/components/hitachi_ac344/climate.py

@@ -0,0 +1,18 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import climate_ir
+from esphome.const import CONF_ID
+
+AUTO_LOAD = ['climate_ir']
+
+hitachi_ac344_ns = cg.esphome_ns.namespace('hitachi_ac344')
+HitachiClimate = hitachi_ac344_ns.class_('HitachiClimate', climate_ir.ClimateIR)
+
+CONFIG_SCHEMA = climate_ir.CLIMATE_IR_WITH_RECEIVER_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_id(HitachiClimate),
+})
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield climate_ir.register_climate_ir(var, config)

esphome/components/hitachi_ac344/hitachi_ac344.cpp

@@ -0,0 +1,365 @@
+#include "hitachi_ac344.h"
+
+namespace esphome {
+namespace hitachi_ac344 {
+
+static const char *TAG = "climate.hitachi_ac344";
+
+void set_bits(uint8_t *const dst, const uint8_t offset, const uint8_t nbits, const uint8_t data) {
+  if (offset >= 8 || !nbits)
+    return;  // Short circuit as it won't change.
+  // Calculate the mask for the supplied value.
+  uint8_t mask = UINT8_MAX >> (8 - ((nbits > 8) ? 8 : nbits));
+  // Calculate the mask & clear the space for the data.
+  // Clear the destination bits.
+  *dst &= ~(uint8_t)(mask << offset);
+  // Merge in the data.
+  *dst |= ((data & mask) << offset);
+}
+
+void set_bit(uint8_t *const data, const uint8_t position, const bool on) {
+  uint8_t mask = 1 << position;
+  if (on)
+    *data |= mask;
+  else
+    *data &= ~mask;
+}
+
+uint8_t *invert_byte_pairs(uint8_t *ptr, const uint16_t length) {
+  for (uint16_t i = 1; i < length; i += 2) {
+    // Code done this way to avoid a compiler warning bug.
+    uint8_t inv = ~*(ptr + i - 1);
+    *(ptr + i) = inv;
+  }
+  return ptr;
+}
+
+bool HitachiClimate::get_power_() { return remote_state_[HITACHI_AC344_POWER_BYTE] == HITACHI_AC344_POWER_ON; }
+
+void HitachiClimate::set_power_(bool on) {
+  set_button_(HITACHI_AC344_BUTTON_POWER);
+  remote_state_[HITACHI_AC344_POWER_BYTE] = on ? HITACHI_AC344_POWER_ON : HITACHI_AC344_POWER_OFF;
+}
+
+uint8_t HitachiClimate::get_mode_() { return remote_state_[HITACHI_AC344_MODE_BYTE] & 0xF; }
+
+void HitachiClimate::set_mode_(uint8_t mode) {
+  uint8_t new_mode = mode;
+  switch (mode) {
+    // Fan mode sets a special temp.
+    case HITACHI_AC344_MODE_FAN:
+      set_temp_(HITACHI_AC344_TEMP_FAN, false);
+      break;
+    case HITACHI_AC344_MODE_HEAT:
+    case HITACHI_AC344_MODE_COOL:
+    case HITACHI_AC344_MODE_DRY:
+      break;
+    default:
+      new_mode = HITACHI_AC344_MODE_COOL;
+  }
+  set_bits(&remote_state_[HITACHI_AC344_MODE_BYTE], 0, 4, new_mode);
+  if (new_mode != HITACHI_AC344_MODE_FAN)
+    set_temp_(previous_temp_);
+  set_fan_(get_fan_());  // Reset the fan speed after the mode change.
+  set_power_(true);
+}
+
+void HitachiClimate::set_temp_(uint8_t celsius, bool set_previous) {
+  uint8_t temp;
+  temp = std::min(celsius, HITACHI_AC344_TEMP_MAX);
+  temp = std::max(temp, HITACHI_AC344_TEMP_MIN);
+  set_bits(&remote_state_[HITACHI_AC344_TEMP_BYTE], HITACHI_AC344_TEMP_OFFSET, HITACHI_AC344_TEMP_SIZE, temp);
+  if (previous_temp_ > temp)
+    set_button_(HITACHI_AC344_BUTTON_TEMP_DOWN);
+  else if (previous_temp_ < temp)
+    set_button_(HITACHI_AC344_BUTTON_TEMP_UP);
+  if (set_previous)
+    previous_temp_ = temp;
+}
+
+uint8_t HitachiClimate::get_fan_() { return remote_state_[HITACHI_AC344_FAN_BYTE] >> 4 & 0xF; }
+
+void HitachiClimate::set_fan_(uint8_t speed) {
+  uint8_t new_speed = std::max(speed, HITACHI_AC344_FAN_MIN);
+  uint8_t fan_max = HITACHI_AC344_FAN_MAX;
+
+  // Only 2 x low speeds in Dry mode or Auto
+  if (get_mode_() == HITACHI_AC344_MODE_DRY && speed == HITACHI_AC344_FAN_AUTO) {
+    fan_max = HITACHI_AC344_FAN_AUTO;
+  } else if (get_mode_() == HITACHI_AC344_MODE_DRY) {
+    fan_max = HITACHI_AC344_FAN_MAX_DRY;
+  } else if (get_mode_() == HITACHI_AC344_MODE_FAN && speed == HITACHI_AC344_FAN_AUTO) {
+    // Fan Mode does not have auto. Set to safe low
+    new_speed = HITACHI_AC344_FAN_MIN;
+  }
+
+  new_speed = std::min(new_speed, fan_max);
+  // Handle the setting the button value if we are going to change the value.
+  if (new_speed != get_fan_())
+    set_button_(HITACHI_AC344_BUTTON_FAN);
+  // Set the values
+
+  set_bits(&remote_state_[HITACHI_AC344_FAN_BYTE], 4, 4, new_speed);
+  remote_state_[9] = 0x92;
+
+  // When fan is at min/max, additional bytes seem to be set
+  if (new_speed == HITACHI_AC344_FAN_MIN)
+    remote_state_[9] = 0x98;
+  remote_state_[29] = 0x01;
+}
+
+void HitachiClimate::set_swing_v_toggle_(bool on) {
+  uint8_t button = get_button_();  // Get the current button value.
+  if (on)
+    button = HITACHI_AC344_BUTTON_SWINGV;          // Set the button to SwingV.
+  else if (button == HITACHI_AC344_BUTTON_SWINGV)  // Asked to unset it
+    // It was set previous, so use Power as a default
+    button = HITACHI_AC344_BUTTON_POWER;
+  set_button_(button);
+}
+
+bool HitachiClimate::get_swing_v_toggle_() { return get_button_() == HITACHI_AC344_BUTTON_SWINGV; }
+
+void HitachiClimate::set_swing_v_(bool on) {
+  set_swing_v_toggle_(on);  // Set the button value.
+  set_bit(&remote_state_[HITACHI_AC344_SWINGV_BYTE], HITACHI_AC344_SWINGV_OFFSET, on);
+}
+
+bool HitachiClimate::get_swing_v_() {
+  return GETBIT8(remote_state_[HITACHI_AC344_SWINGV_BYTE], HITACHI_AC344_SWINGV_OFFSET);
+}
+
+void HitachiClimate::set_swing_h_(uint8_t position) {
+  if (position > HITACHI_AC344_SWINGH_LEFT_MAX)
+    return set_swing_h_(HITACHI_AC344_SWINGH_MIDDLE);
+  set_bits(&remote_state_[HITACHI_AC344_SWINGH_BYTE], HITACHI_AC344_SWINGH_OFFSET, HITACHI_AC344_SWINGH_SIZE, position);
+  set_button_(HITACHI_AC344_BUTTON_SWINGH);
+}
+
+uint8_t HitachiClimate::get_swing_h_() {
+  return GETBITS8(remote_state_[HITACHI_AC344_SWINGH_BYTE], HITACHI_AC344_SWINGH_OFFSET, HITACHI_AC344_SWINGH_SIZE);
+}
+
+uint8_t HitachiClimate::get_button_() { return remote_state_[HITACHI_AC344_BUTTON_BYTE]; }
+
+void HitachiClimate::set_button_(uint8_t button) { remote_state_[HITACHI_AC344_BUTTON_BYTE] = button; }
+
+void HitachiClimate::transmit_state() {
+  switch (this->mode) {
+    case climate::CLIMATE_MODE_COOL:
+      set_mode_(HITACHI_AC344_MODE_COOL);
+      break;
+    case climate::CLIMATE_MODE_DRY:
+      set_mode_(HITACHI_AC344_MODE_DRY);
+      break;
+    case climate::CLIMATE_MODE_HEAT:
+      set_mode_(HITACHI_AC344_MODE_HEAT);
+      break;
+    case climate::CLIMATE_MODE_AUTO:
+      set_mode_(HITACHI_AC344_MODE_AUTO);
+      break;
+    case climate::CLIMATE_MODE_FAN_ONLY:
+      set_mode_(HITACHI_AC344_MODE_FAN);
+      break;
+    case climate::CLIMATE_MODE_OFF:
+      set_power_(false);
+      break;
+  }
+
+  set_temp_(static_cast<uint8_t>(this->target_temperature));
+
+  switch (this->fan_mode) {
+    case climate::CLIMATE_FAN_LOW:
+      set_fan_(HITACHI_AC344_FAN_LOW);
+      break;
+    case climate::CLIMATE_FAN_MEDIUM:
+      set_fan_(HITACHI_AC344_FAN_MEDIUM);
+      break;
+    case climate::CLIMATE_FAN_HIGH:
+      set_fan_(HITACHI_AC344_FAN_HIGH);
+      break;
+    case climate::CLIMATE_FAN_ON:
+    case climate::CLIMATE_FAN_AUTO:
+    default:
+      set_fan_(HITACHI_AC344_FAN_AUTO);
+  }
+
+  switch (this->swing_mode) {
+    case climate::CLIMATE_SWING_BOTH:
+      set_swing_v_(true);
+      set_swing_h_(HITACHI_AC344_SWINGH_AUTO);
+      break;
+    case climate::CLIMATE_SWING_VERTICAL:
+      set_swing_v_(true);
+      set_swing_h_(HITACHI_AC344_SWINGH_MIDDLE);
+      break;
+    case climate::CLIMATE_SWING_HORIZONTAL:
+      set_swing_v_(false);
+      set_swing_h_(HITACHI_AC344_SWINGH_AUTO);
+      break;
+    case climate::CLIMATE_SWING_OFF:
+      set_swing_v_(false);
+      set_swing_h_(HITACHI_AC344_SWINGH_MIDDLE);
+      break;
+  }
+
+  // TODO: find change value to set button, now always set to power button
+  set_button_(HITACHI_AC344_BUTTON_POWER);
+
+  invert_byte_pairs(remote_state_ + 3, HITACHI_AC344_STATE_LENGTH - 3);
+
+  auto transmit = this->transmitter_->transmit();
+  auto data = transmit.get_data();
+  data->set_carrier_frequency(HITACHI_AC344_FREQ);
+
+  uint8_t repeat = 0;
+  for (uint8_t r = 0; r <= repeat; r++) {
+    // Header
+    data->item(HITACHI_AC344_HDR_MARK, HITACHI_AC344_HDR_SPACE);
+    // Data
+    for (uint8_t i : remote_state_) {
+      for (uint8_t j = 0; j < 8; j++) {
+        data->mark(HITACHI_AC344_BIT_MARK);
+        bool bit = i & (1 << j);
+        data->space(bit ? HITACHI_AC344_ONE_SPACE : HITACHI_AC344_ZERO_SPACE);
+      }
+    }
+    // Footer
+    data->item(HITACHI_AC344_BIT_MARK, HITACHI_AC344_MIN_GAP);
+  }
+  transmit.perform();
+
+  dump_state_("Sent", remote_state_);
+}
+
+bool HitachiClimate::parse_mode_(const uint8_t remote_state[]) {
+  uint8_t power = remote_state[HITACHI_AC344_POWER_BYTE];
+  ESP_LOGV(TAG, "Power: %02X %02X", remote_state[HITACHI_AC344_POWER_BYTE], power);
+  uint8_t mode = remote_state[HITACHI_AC344_MODE_BYTE] & 0xF;
+  ESP_LOGV(TAG, "Mode: %02X %02X", remote_state[HITACHI_AC344_MODE_BYTE], mode);
+  if (power == HITACHI_AC344_POWER_ON) {
+    switch (mode) {
+      case HITACHI_AC344_MODE_COOL:
+        this->mode = climate::CLIMATE_MODE_COOL;
+        break;
+      case HITACHI_AC344_MODE_DRY:
+        this->mode = climate::CLIMATE_MODE_DRY;
+        break;
+      case HITACHI_AC344_MODE_HEAT:
+        this->mode = climate::CLIMATE_MODE_HEAT;
+        break;
+      case HITACHI_AC344_MODE_AUTO:
+        this->mode = climate::CLIMATE_MODE_AUTO;
+        break;
+      case HITACHI_AC344_MODE_FAN:
+        this->mode = climate::CLIMATE_MODE_FAN_ONLY;
+        break;
+    }
+  } else {
+    this->mode = climate::CLIMATE_MODE_OFF;
+  }
+  return true;
+}
+
+bool HitachiClimate::parse_temperature_(const uint8_t remote_state[]) {
+  uint8_t temperature =
+      GETBITS8(remote_state[HITACHI_AC344_TEMP_BYTE], HITACHI_AC344_TEMP_OFFSET, HITACHI_AC344_TEMP_SIZE);
+  this->target_temperature = temperature;
+  ESP_LOGV(TAG, "Temperature: %02X %02u %04f", remote_state[HITACHI_AC344_TEMP_BYTE], temperature,
+           this->target_temperature);
+  return true;
+}
+
+bool HitachiClimate::parse_fan_(const uint8_t remote_state[]) {
+  uint8_t fan_mode = remote_state[HITACHI_AC344_FAN_BYTE] >> 4 & 0xF;
+  ESP_LOGV(TAG, "Fan: %02X %02X", remote_state[HITACHI_AC344_FAN_BYTE], fan_mode);
+  switch (fan_mode) {
+    case HITACHI_AC344_FAN_MIN:
+    case HITACHI_AC344_FAN_LOW:
+      this->fan_mode = climate::CLIMATE_FAN_LOW;
+      break;
+    case HITACHI_AC344_FAN_MEDIUM:
+      this->fan_mode = climate::CLIMATE_FAN_MEDIUM;
+      break;
+    case HITACHI_AC344_FAN_HIGH:
+    case HITACHI_AC344_FAN_MAX:
+      this->fan_mode = climate::CLIMATE_FAN_HIGH;
+      break;
+    case HITACHI_AC344_FAN_AUTO:
+      this->fan_mode = climate::CLIMATE_FAN_AUTO;
+      break;
+  }
+  return true;
+}
+
+bool HitachiClimate::parse_swing_(const uint8_t remote_state[]) {
+  uint8_t swing_modeh =
+      GETBITS8(remote_state[HITACHI_AC344_SWINGH_BYTE], HITACHI_AC344_SWINGH_OFFSET, HITACHI_AC344_SWINGH_SIZE);
+  ESP_LOGV(TAG, "SwingH: %02X %02X", remote_state[HITACHI_AC344_SWINGH_BYTE], swing_modeh);
+
+  if ((swing_modeh & 0x7) == 0x0) {
+    this->swing_mode = climate::CLIMATE_SWING_HORIZONTAL;
+  } else if ((swing_modeh & 0x3) == 0x3) {
+    this->swing_mode = climate::CLIMATE_SWING_OFF;
+  } else {
+    this->swing_mode = climate::CLIMATE_SWING_HORIZONTAL;
+  }
+
+  return true;
+}
+
+bool HitachiClimate::on_receive(remote_base::RemoteReceiveData data) {
+  // Validate header
+  if (!data.expect_item(HITACHI_AC344_HDR_MARK, HITACHI_AC344_HDR_SPACE)) {
+    ESP_LOGVV(TAG, "Header fail");
+    return false;
+  }
+
+  uint8_t recv_state[HITACHI_AC344_STATE_LENGTH] = {0};
+  // Read all bytes.
+  for (uint8_t pos = 0; pos < HITACHI_AC344_STATE_LENGTH; pos++) {
+    // Read bit
+    for (int8_t bit = 0; bit < 8; bit++) {
+      if (data.expect_item(HITACHI_AC344_BIT_MARK, HITACHI_AC344_ONE_SPACE))
+        recv_state[pos] |= 1 << bit;
+      else if (!data.expect_item(HITACHI_AC344_BIT_MARK, HITACHI_AC344_ZERO_SPACE)) {
+        ESP_LOGVV(TAG, "Byte %d bit %d fail", pos, bit);
+        return false;
+      }
+    }
+  }
+
+  // Validate footer
+  if (!data.expect_mark(HITACHI_AC344_BIT_MARK)) {
+    ESP_LOGVV(TAG, "Footer fail");
+    return false;
+  }
+
+  dump_state_("Recv", recv_state);
+
+  // parse mode
+  this->parse_mode_(recv_state);
+  // parse temperature
+  this->parse_temperature_(recv_state);
+  // parse fan
+  this->parse_fan_(recv_state);
+  // parse swingv
+  this->parse_swing_(recv_state);
+  this->publish_state();
+  for (uint8_t i = 0; i < HITACHI_AC344_STATE_LENGTH; i++)
+    remote_state_[i] = recv_state[i];
+
+  return true;
+}
+
+void HitachiClimate::dump_state_(const char action[], uint8_t state[]) {
+  for (uint16_t i = 0; i < HITACHI_AC344_STATE_LENGTH - 10; i += 10) {
+    ESP_LOGV(TAG, "%s: %02X %02X %02X %02X %02X  %02X %02X %02X %02X %02X", action, state[i + 0], state[i + 1],
+             state[i + 2], state[i + 3], state[i + 4], state[i + 5], state[i + 6], state[i + 7], state[i + 8],
+             state[i + 9]);
+  }
+  ESP_LOGV(TAG, "%s: %02X %02X %02X", action, state[40], state[41], state[42]);
+}
+
+}  // namespace hitachi_ac344
+}  // namespace esphome

esphome/components/hitachi_ac344/hitachi_ac344.h

@@ -0,0 +1,122 @@
+#pragma once
+
+#include "esphome/core/log.h"
+#include "esphome/components/climate_ir/climate_ir.h"
+
+namespace esphome {
+namespace hitachi_ac344 {
+
+const uint16_t HITACHI_AC344_HDR_MARK = 3300;   // ac
+const uint16_t HITACHI_AC344_HDR_SPACE = 1700;  // ac
+const uint16_t HITACHI_AC344_BIT_MARK = 400;
+const uint16_t HITACHI_AC344_ONE_SPACE = 1250;
+const uint16_t HITACHI_AC344_ZERO_SPACE = 500;
+const uint32_t HITACHI_AC344_MIN_GAP = 100000;  // just a guess.
+const uint16_t HITACHI_AC344_FREQ = 38000;      // Hz.
+
+const uint8_t HITACHI_AC344_BUTTON_BYTE = 11;
+const uint8_t HITACHI_AC344_BUTTON_POWER = 0x13;
+const uint8_t HITACHI_AC344_BUTTON_SLEEP = 0x31;
+const uint8_t HITACHI_AC344_BUTTON_MODE = 0x41;
+const uint8_t HITACHI_AC344_BUTTON_FAN = 0x42;
+const uint8_t HITACHI_AC344_BUTTON_TEMP_DOWN = 0x43;
+const uint8_t HITACHI_AC344_BUTTON_TEMP_UP = 0x44;
+const uint8_t HITACHI_AC344_BUTTON_SWINGV = 0x81;
+const uint8_t HITACHI_AC344_BUTTON_SWINGH = 0x8C;
+const uint8_t HITACHI_AC344_BUTTON_MILDEWPROOF = 0xE2;
+
+const uint8_t HITACHI_AC344_TEMP_BYTE = 13;
+const uint8_t HITACHI_AC344_TEMP_OFFSET = 2;
+const uint8_t HITACHI_AC344_TEMP_SIZE = 6;
+const uint8_t HITACHI_AC344_TEMP_MIN = 16;  // 16C
+const uint8_t HITACHI_AC344_TEMP_MAX = 32;  // 32C
+const uint8_t HITACHI_AC344_TEMP_FAN = 27;  // 27C
+
+const uint8_t HITACHI_AC344_TIMER_BYTE = 15;
+
+const uint8_t HITACHI_AC344_MODE_BYTE = 25;
+const uint8_t HITACHI_AC344_MODE_FAN = 1;
+const uint8_t HITACHI_AC344_MODE_COOL = 3;
+const uint8_t HITACHI_AC344_MODE_DRY = 5;
+const uint8_t HITACHI_AC344_MODE_HEAT = 6;
+const uint8_t HITACHI_AC344_MODE_AUTO = 7;
+
+const uint8_t HITACHI_AC344_FAN_BYTE = HITACHI_AC344_MODE_BYTE;
+const uint8_t HITACHI_AC344_FAN_MIN = 1;
+const uint8_t HITACHI_AC344_FAN_LOW = 2;
+const uint8_t HITACHI_AC344_FAN_MEDIUM = 3;
+const uint8_t HITACHI_AC344_FAN_HIGH = 4;
+const uint8_t HITACHI_AC344_FAN_AUTO = 5;
+const uint8_t HITACHI_AC344_FAN_MAX = 6;
+const uint8_t HITACHI_AC344_FAN_MAX_DRY = 2;
+
+const uint8_t HITACHI_AC344_POWER_BYTE = 27;
+const uint8_t HITACHI_AC344_POWER_ON = 0xF1;
+const uint8_t HITACHI_AC344_POWER_OFF = 0xE1;
+
+const uint8_t HITACHI_AC344_SWINGH_BYTE = 35;
+const uint8_t HITACHI_AC344_SWINGH_OFFSET = 0;     // Mask 0b00000xxx
+const uint8_t HITACHI_AC344_SWINGH_SIZE = 3;       // Mask 0b00000xxx
+const uint8_t HITACHI_AC344_SWINGH_AUTO = 0;       // 0b000
+const uint8_t HITACHI_AC344_SWINGH_RIGHT_MAX = 1;  // 0b001
+const uint8_t HITACHI_AC344_SWINGH_RIGHT = 2;      // 0b010
+const uint8_t HITACHI_AC344_SWINGH_MIDDLE = 3;     // 0b011
+const uint8_t HITACHI_AC344_SWINGH_LEFT = 4;       // 0b100
+const uint8_t HITACHI_AC344_SWINGH_LEFT_MAX = 5;   // 0b101
+
+const uint8_t HITACHI_AC344_SWINGV_BYTE = 37;
+const uint8_t HITACHI_AC344_SWINGV_OFFSET = 5;  // Mask 0b00x00000
+
+const uint8_t HITACHI_AC344_MILDEWPROOF_BYTE = HITACHI_AC344_SWINGV_BYTE;
+const uint8_t HITACHI_AC344_MILDEWPROOF_OFFSET = 2;  // Mask 0b00000x00
+
+const uint16_t HITACHI_AC344_STATE_LENGTH = 43;
+const uint16_t HITACHI_AC344_BITS = HITACHI_AC344_STATE_LENGTH * 8;
+
+#define GETBIT8(a, b) (a & ((uint8_t) 1 << b))
+#define GETBITS8(data, offset, size) (((data) & (((uint8_t) UINT8_MAX >> (8 - (size))) << (offset))) >> (offset))
+
+class HitachiClimate : public climate_ir::ClimateIR {
+ public:
+  HitachiClimate()
+      : climate_ir::ClimateIR(
+            HITACHI_AC344_TEMP_MIN, HITACHI_AC344_TEMP_MAX, 1.0F, true, true,
+            std::vector<climate::ClimateFanMode>{climate::CLIMATE_FAN_AUTO, climate::CLIMATE_FAN_LOW,
+                                                 climate::CLIMATE_FAN_MEDIUM, climate::CLIMATE_FAN_HIGH},
+            std::vector<climate::ClimateSwingMode>{climate::CLIMATE_SWING_OFF, climate::CLIMATE_SWING_HORIZONTAL}) {}
+
+ protected:
+  uint8_t remote_state_[HITACHI_AC344_STATE_LENGTH]{0x01, 0x10, 0x00, 0x40, 0x00, 0xFF, 0x00, 0xCC, 0x00, 0x00, 0x00,
+                                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                                                    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00,
+                                                    0x80, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+  uint8_t previous_temp_{27};
+  // Transmit via IR the state of this climate controller.
+  void transmit_state() override;
+  bool get_power_();
+  void set_power_(bool on);
+  uint8_t get_mode_();
+  void set_mode_(uint8_t mode);
+  void set_temp_(uint8_t celsius, bool set_previous = false);
+  uint8_t get_fan_();
+  void set_fan_(uint8_t speed);
+  void set_swing_v_toggle_(bool on);
+  bool get_swing_v_toggle_();
+  void set_swing_v_(bool on);
+  bool get_swing_v_();
+  void set_swing_h_(uint8_t position);
+  uint8_t get_swing_h_();
+  uint8_t get_button_();
+  void set_button_(uint8_t button);
+  // Handle received IR Buffer
+  bool on_receive(remote_base::RemoteReceiveData data) override;
+  bool parse_mode_(const uint8_t remote_state[]);
+  bool parse_temperature_(const uint8_t remote_state[]);
+  bool parse_fan_(const uint8_t remote_state[]);
+  bool parse_swing_(const uint8_t remote_state[]);
+  bool parse_state_frame_(const uint8_t frame[]);
+  void dump_state_(const char action[], uint8_t remote_state[]);
+};
+
+}  // namespace hitachi_ac344
+}  // namespace esphome

esphome/components/hm3301/aqi_calculator.cpp

@@ -17,7 +17,7 @@ class AQICalculator : public AbstractAQICalculator {
 
   int index_grid_[AMOUNT_OF_LEVELS][2] = {{0, 51}, {51, 100}, {101, 150}, {151, 200}, {201, 300}, {301, 500}};
 
-  int pm2_5_calculation_grid_[AMOUNT_OF_LEVELS][2] = {{0, 12}, {13, 45}, {36, 55}, {56, 150}, {151, 250}, {251, 500}};
+  int pm2_5_calculation_grid_[AMOUNT_OF_LEVELS][2] = {{0, 12}, {13, 35}, {36, 55}, {56, 150}, {151, 250}, {251, 500}};
 
   int pm10_0_calculation_grid_[AMOUNT_OF_LEVELS][2] = {{0, 54},    {55, 154},  {155, 254},
                                                        {255, 354}, {355, 424}, {425, 604}};

esphome/components/homeassistant/time/homeassistant_time.cpp

@@ -10,17 +10,13 @@ void HomeassistantTime::dump_config() {
   ESP_LOGCONFIG(TAG, "Home Assistant Time:");
   ESP_LOGCONFIG(TAG, "  Timezone: '%s'", this->timezone_.c_str());
 }
-float HomeassistantTime::get_setup_priority() const { return setup_priority::DATA; }
-void HomeassistantTime::setup() {
-  global_homeassistant_time = this;
 
-  this->set_interval(15 * 60 * 1000, []() {
+float HomeassistantTime::get_setup_priority() const { return setup_priority::DATA; }
-    // re-request time every 15 minutes
+
-    api::global_api_server->request_time();
+void HomeassistantTime::setup() { global_homeassistant_time = this; }
-  });
+
-}
+void HomeassistantTime::update() { api::global_api_server->request_time(); }
 
 HomeassistantTime *global_homeassistant_time = nullptr;
-
 }  // namespace homeassistant
 }  // namespace esphome

esphome/components/homeassistant/time/homeassistant_time.h

@@ -10,6 +10,7 @@ namespace homeassistant {
 class HomeassistantTime : public time::RealTimeClock {
  public:
   void setup() override;
+  void update() override;
   void dump_config() override;
   void set_epoch_time(uint32_t epoch) { this->synchronize_epoch_(epoch); }
   float get_setup_priority() const override;

esphome/components/http_request/__init__.py

@@ -43,8 +43,8 @@ def validate_url(value):
     value = cv.string(value)
     try:
         parsed = list(urlparse.urlparse(value))
-    except Exception:
+    except Exception as err:
-        raise cv.Invalid('Invalid URL')
+        raise cv.Invalid('Invalid URL') from err
 
     if not parsed[0] or not parsed[1]:
         raise cv.Invalid('URL must have a URL scheme and host')

esphome/components/http_request/http_request.cpp

@@ -12,9 +12,20 @@ void HttpRequestComponent::dump_config() {
   ESP_LOGCONFIG(TAG, "  User-Agent: %s", this->useragent_);
 }
 
+void HttpRequestComponent::set_url(std::string url) {
+  this->url_ = url;
+  this->secure_ = url.compare(0, 6, "https:") == 0;
+
+  if (!this->last_url_.empty() && this->url_ != this->last_url_) {
+    // Close connection if url has been changed
+    this->client_.setReuse(false);
+    this->client_.end();
+  }
+  this->client_.setReuse(true);
+}
+
 void HttpRequestComponent::send() {
   bool begin_status = false;
-  this->client_.setReuse(true);
   const String url = this->url_.c_str();
 #ifdef ARDUINO_ARCH_ESP32
   begin_status = this->client_.begin(url);
@@ -78,7 +89,10 @@ WiFiClient *HttpRequestComponent::get_wifi_client_() {
 }
 #endif
 
-void HttpRequestComponent::close() { this->client_.end(); }
+void HttpRequestComponent::close() {
+  this->last_url_ = this->url_;
+  this->client_.end();
+}
 
 const char *HttpRequestComponent::get_string() {
   static const String STR = this->client_.getString();

esphome/components/http_request/http_request.h

@@ -27,10 +27,7 @@ class HttpRequestComponent : public Component {
   void dump_config() override;
   float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
 
-  void set_url(std::string url) {
+  void set_url(std::string url);
-    this->url_ = url;
-    this->secure_ = url.compare(0, 6, "https:") == 0;
-  }
   void set_method(const char *method) { this->method_ = method; }
   void set_useragent(const char *useragent) { this->useragent_ = useragent; }
   void set_timeout(uint16_t timeout) { this->timeout_ = timeout; }
@@ -43,6 +40,7 @@ class HttpRequestComponent : public Component {
  protected:
   HTTPClient client_{};
   std::string url_;
+  std::string last_url_;
   const char *method_;
   const char *useragent_{nullptr};
   bool secure_;

esphome/components/i2c/i2c.cpp

@@ -56,8 +56,8 @@ void I2CComponent::raw_begin_transmission(uint8_t address) {
   ESP_LOGVV(TAG, "Beginning Transmission to 0x%02X:", address);
   this->wire_->beginTransmission(address);
 }
-bool I2CComponent::raw_end_transmission(uint8_t address) {
+bool I2CComponent::raw_end_transmission(uint8_t address, bool send_stop) {
-  uint8_t status = this->wire_->endTransmission();
+  uint8_t status = this->wire_->endTransmission(send_stop);
   ESP_LOGVV(TAG, "    Transmission ended. Status code: 0x%02X", status);
 
   switch (status) {

esphome/components/i2c/i2c.h

@@ -94,7 +94,7 @@ class I2CComponent : public Component {
   void raw_begin_transmission(uint8_t address);
 
   /// End a write transmission to an address, return true if successful.
-  bool raw_end_transmission(uint8_t address);
+  bool raw_end_transmission(uint8_t address, bool send_stop = true);
 
   /** Request data from an address with a number of (8-bit) bytes.
    *
@@ -173,6 +173,17 @@ class I2CDevice {
 
   I2CRegister reg(uint8_t a_register) { return {this, a_register}; }
 
+  /// Begin a write transmission.
+  void raw_begin_transmission() { this->parent_->raw_begin_transmission(this->address_); };
+
+  /// End a write transmission, return true if successful.
+  bool raw_end_transmission(bool send_stop = true) {
+    return this->parent_->raw_end_transmission(this->address_, send_stop);
+  };
+
+  /// Write len amount of bytes from data. begin_transmission_ must be called before this.
+  void raw_write(const uint8_t *data, uint8_t len) { this->parent_->raw_write(this->address_, data, len); };
+
   /** Read len amount of bytes from a register into data. Optionally with a conversion time after
    * writing the register value to the bus.
    *

esphome/components/ili9341/display.py

@@ -0,0 +1,61 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome import pins
+from esphome.components import display, spi
+from esphome.const import CONF_DC_PIN, \
+    CONF_ID, CONF_LAMBDA, CONF_MODEL, CONF_PAGES, CONF_RESET_PIN
+
+DEPENDENCIES = ['spi']
+
+CONF_LED_PIN = 'led_pin'
+
+ili9341_ns = cg.esphome_ns.namespace('ili9341')
+ili9341 = ili9341_ns.class_('ILI9341Display', cg.PollingComponent, spi.SPIDevice,
+                            display.DisplayBuffer)
+ILI9341M5Stack = ili9341_ns.class_('ILI9341M5Stack', ili9341)
+ILI9341TFT24 = ili9341_ns.class_('ILI9341TFT24', ili9341)
+
+ILI9341Model = ili9341_ns.enum('ILI9341Model')
+
+MODELS = {
+    'M5STACK': ILI9341Model.M5STACK,
+    'TFT_2.4': ILI9341Model.TFT_24,
+}
+
+ILI9341_MODEL = cv.enum(MODELS, upper=True, space="_")
+
+CONFIG_SCHEMA = cv.All(display.FULL_DISPLAY_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_id(ili9341),
+    cv.Required(CONF_MODEL): ILI9341_MODEL,
+    cv.Required(CONF_DC_PIN): pins.gpio_output_pin_schema,
+    cv.Optional(CONF_RESET_PIN): pins.gpio_output_pin_schema,
+    cv.Optional(CONF_LED_PIN): pins.gpio_output_pin_schema,
+}).extend(cv.polling_component_schema('1s')).extend(spi.spi_device_schema()),
+                       cv.has_at_most_one_key(CONF_PAGES, CONF_LAMBDA))
+
+
+def to_code(config):
+    if config[CONF_MODEL] == 'M5STACK':
+        lcd_type = ILI9341M5Stack
+    if config[CONF_MODEL] == 'TFT_2.4':
+        lcd_type = ILI9341TFT24
+    rhs = lcd_type.new()
+    var = cg.Pvariable(config[CONF_ID], rhs)
+
+    yield cg.register_component(var, config)
+    yield display.register_display(var, config)
+    yield spi.register_spi_device(var, config)
+    cg.add(var.set_model(config[CONF_MODEL]))
+    dc = yield cg.gpio_pin_expression(config[CONF_DC_PIN])
+    cg.add(var.set_dc_pin(dc))
+
+    if CONF_LAMBDA in config:
+        lambda_ = yield cg.process_lambda(config[CONF_LAMBDA], [(display.DisplayBufferRef, 'it')],
+                                          return_type=cg.void)
+        cg.add(var.set_writer(lambda_))
+    if CONF_RESET_PIN in config:
+        reset = yield cg.gpio_pin_expression(config[CONF_RESET_PIN])
+        cg.add(var.set_reset_pin(reset))
+    if CONF_LED_PIN in config:
+        led_pin = yield cg.gpio_pin_expression(config[CONF_LED_PIN])
+        cg.add(var.set_led_pin(led_pin))

esphome/components/ili9341/ili9341_defines.h

@@ -0,0 +1,83 @@
+#pragma once
+
+namespace esphome {
+namespace ili9341 {
+
+// Color definitions
+// clang-format off
+static const uint8_t MADCTL_MY    = 0x80;   ///< Bit 7 Bottom to top
+static const uint8_t MADCTL_MX    = 0x40;   ///< Bit 6 Right to left
+static const uint8_t MADCTL_MV    = 0x20;   ///< Bit 5 Reverse Mode
+static const uint8_t MADCTL_ML    = 0x10;   ///< Bit 4 LCD refresh Bottom to top
+static const uint8_t MADCTL_RGB   = 0x00;  ///< Bit 3 Red-Green-Blue pixel order
+static const uint8_t MADCTL_BGR   = 0x08;  ///< Bit 3 Blue-Green-Red pixel order
+static const uint8_t MADCTL_MH    = 0x04;   ///< Bit 2 LCD refresh right to left
+// clang-format on
+
+static const uint16_t ILI9341_TFTWIDTH = 320;   ///< ILI9341 max TFT width
+static const uint16_t ILI9341_TFTHEIGHT = 240;  ///< ILI9341 max TFT height
+
+// All ILI9341 specific commands some are used by init()
+static const uint8_t ILI9341_NOP = 0x00;
+static const uint8_t ILI9341_SWRESET = 0x01;
+static const uint8_t ILI9341_RDDID = 0x04;
+static const uint8_t ILI9341_RDDST = 0x09;
+
+static const uint8_t ILI9341_SLPIN = 0x10;
+static const uint8_t ILI9341_SLPOUT = 0x11;
+static const uint8_t ILI9341_PTLON = 0x12;
+static const uint8_t ILI9341_NORON = 0x13;
+
+static const uint8_t ILI9341_RDMODE = 0x0A;
+static const uint8_t ILI9341_RDMADCTL = 0x0B;
+static const uint8_t ILI9341_RDPIXFMT = 0x0C;
+static const uint8_t ILI9341_RDIMGFMT = 0x0A;
+static const uint8_t ILI9341_RDSELFDIAG = 0x0F;
+
+static const uint8_t ILI9341_INVOFF = 0x20;
+static const uint8_t ILI9341_INVON = 0x21;
+static const uint8_t ILI9341_GAMMASET = 0x26;
+static const uint8_t ILI9341_DISPOFF = 0x28;
+static const uint8_t ILI9341_DISPON = 0x29;
+
+static const uint8_t ILI9341_CASET = 0x2A;
+static const uint8_t ILI9341_PASET = 0x2B;
+static const uint8_t ILI9341_RAMWR = 0x2C;
+static const uint8_t ILI9341_RAMRD = 0x2E;
+
+static const uint8_t ILI9341_PTLAR = 0x30;
+static const uint8_t ILI9341_VSCRDEF = 0x33;
+static const uint8_t ILI9341_MADCTL = 0x36;
+static const uint8_t ILI9341_VSCRSADD = 0x37;
+static const uint8_t ILI9341_PIXFMT = 0x3A;
+
+static const uint8_t ILI9341_WRDISBV = 0x51;
+static const uint8_t ILI9341_RDDISBV = 0x52;
+static const uint8_t ILI9341_WRCTRLD = 0x53;
+
+static const uint8_t ILI9341_FRMCTR1 = 0xB1;
+static const uint8_t ILI9341_FRMCTR2 = 0xB2;
+static const uint8_t ILI9341_FRMCTR3 = 0xB3;
+static const uint8_t ILI9341_INVCTR = 0xB4;
+static const uint8_t ILI9341_DFUNCTR = 0xB6;
+
+static const uint8_t ILI9341_PWCTR1 = 0xC0;
+static const uint8_t ILI9341_PWCTR2 = 0xC1;
+static const uint8_t ILI9341_PWCTR3 = 0xC2;
+static const uint8_t ILI9341_PWCTR4 = 0xC3;
+static const uint8_t ILI9341_PWCTR5 = 0xC4;
+static const uint8_t ILI9341_VMCTR1 = 0xC5;
+static const uint8_t ILI9341_VMCTR2 = 0xC7;
+
+static const uint8_t ILI9341_RDID4 = 0xD3;
+static const uint8_t ILI9341_RDINDEX = 0xD9;
+static const uint8_t ILI9341_RDID1 = 0xDA;
+static const uint8_t ILI9341_RDID2 = 0xDB;
+static const uint8_t ILI9341_RDID3 = 0xDC;
+static const uint8_t ILI9341_RDIDX = 0xDD;  // TBC
+
+static const uint8_t ILI9341_GMCTRP1 = 0xE0;
+static const uint8_t ILI9341_GMCTRN1 = 0xE1;
+
+}  // namespace ili9341
+}  // namespace esphome

esphome/components/ili9341/ili9341_display.cpp

@@ -0,0 +1,240 @@
+#include "ili9341_display.h"
+#include "esphome/core/log.h"
+#include "esphome/core/application.h"
+#include "esphome/core/helpers.h"
+
+namespace esphome {
+namespace ili9341 {
+
+static const char *TAG = "ili9341";
+
+void ILI9341Display::setup_pins_() {
+  this->init_internal_(this->get_buffer_length_());
+  this->dc_pin_->setup();  // OUTPUT
+  this->dc_pin_->digital_write(false);
+  if (this->reset_pin_ != nullptr) {
+    this->reset_pin_->setup();  // OUTPUT
+    this->reset_pin_->digital_write(true);
+  }
+  if (this->led_pin_ != nullptr) {
+    this->led_pin_->setup();
+    this->led_pin_->digital_write(true);
+  }
+  this->spi_setup();
+
+  this->reset_();
+}
+
+void ILI9341Display::dump_config() {
+  LOG_DISPLAY("", "ili9341", this);
+  ESP_LOGCONFIG(TAG, "  Width: %d, Height: %d,  Rotation: %d", this->width_, this->height_, this->rotation_);
+  LOG_PIN("  Reset Pin: ", this->reset_pin_);
+  LOG_PIN("  DC Pin: ", this->dc_pin_);
+  LOG_PIN("  Busy Pin: ", this->busy_pin_);
+  LOG_PIN("  Backlight Pin: ", this->led_pin_);
+  LOG_UPDATE_INTERVAL(this);
+}
+
+float ILI9341Display::get_setup_priority() const { return setup_priority::PROCESSOR; }
+void ILI9341Display::command(uint8_t value) {
+  this->start_command_();
+  this->write_byte(value);
+  this->end_command_();
+}
+
+void ILI9341Display::reset_() {
+  if (this->reset_pin_ != nullptr) {
+    this->reset_pin_->digital_write(false);
+    delay(10);
+    this->reset_pin_->digital_write(true);
+    delay(10);
+  }
+}
+
+void ILI9341Display::data(uint8_t value) {
+  this->start_data_();
+  this->write_byte(value);
+  this->end_data_();
+}
+
+void ILI9341Display::send_command(uint8_t command_byte, const uint8_t *data_bytes, uint8_t num_data_bytes) {
+  this->command(command_byte);  // Send the command byte
+  this->start_data_();
+  this->write_array(data_bytes, num_data_bytes);
+  this->end_data_();
+}
+
+uint8_t ILI9341Display::read_command(uint8_t command_byte, uint8_t index) {
+  uint8_t data = 0x10 + index;
+  this->send_command(0xD9, &data, 1);  // Set Index Register
+  uint8_t result;
+  this->start_command_();
+  this->write_byte(command_byte);
+  this->start_data_();
+  do {
+    result = this->read_byte();
+  } while (index--);
+  this->end_data_();
+  return result;
+}
+
+void ILI9341Display::update() {
+  this->do_update_();
+  this->display_();
+}
+
+void ILI9341Display::display_() {
+  // we will only update the changed window to the display
+  int w = this->x_high_ - this->x_low_ + 1;
+  int h = this->y_high_ - this->y_low_ + 1;
+
+  set_addr_window_(this->x_low_, this->y_low_, w, h);
+  this->start_data_();
+  uint32_t start_pos = ((this->y_low_ * this->width_) + x_low_);
+  for (uint16_t row = 0; row < h; row++) {
+    for (uint16_t col = 0; col < w; col++) {
+      uint32_t pos = start_pos + (row * width_) + col;
+
+      uint16_t color = convert_to_16bit_color_(buffer_[pos]);
+      this->write_byte(color >> 8);
+      this->write_byte(color);
+    }
+  }
+  this->end_data_();
+
+  // invalidate watermarks
+  this->x_low_ = this->width_;
+  this->y_low_ = this->height_;
+  this->x_high_ = 0;
+  this->y_high_ = 0;
+}
+
+uint16_t ILI9341Display::convert_to_16bit_color_(uint8_t color_8bit) {
+  int r = color_8bit >> 5;
+  int g = (color_8bit >> 2) & 0x07;
+  int b = color_8bit & 0x03;
+  uint16_t color = (r * 0x04) << 11;
+  color |= (g * 0x09) << 5;
+  color |= (b * 0x0A);
+
+  return color;
+}
+
+uint8_t ILI9341Display::convert_to_8bit_color_(uint16_t color_16bit) {
+  // convert 16bit color to 8 bit buffer
+  uint8_t r = color_16bit >> 11;
+  uint8_t g = (color_16bit >> 5) & 0x3F;
+  uint8_t b = color_16bit & 0x1F;
+
+  return ((b / 0x0A) | ((g / 0x09) << 2) | ((r / 0x04) << 5));
+}
+
+void ILI9341Display::fill(Color color) {
+  auto color565 = color.to_rgb_565();
+  memset(this->buffer_, convert_to_8bit_color_(color565), this->get_buffer_length_());
+  this->x_low_ = 0;
+  this->y_low_ = 0;
+  this->x_high_ = this->get_width_internal() - 1;
+  this->y_high_ = this->get_height_internal() - 1;
+}
+
+void ILI9341Display::fill_internal_(Color color) {
+  this->set_addr_window_(0, 0, this->get_width_internal(), this->get_height_internal());
+  this->start_data_();
+
+  auto color565 = color.to_rgb_565();
+  for (uint32_t i = 0; i < (this->get_width_internal()) * (this->get_height_internal()); i++) {
+    this->write_byte(color565 >> 8);
+    this->write_byte(color565);
+    buffer_[i] = 0;
+  }
+  this->end_data_();
+}
+
+void HOT ILI9341Display::draw_absolute_pixel_internal(int x, int y, Color color) {
+  if (x >= this->get_width_internal() || x < 0 || y >= this->get_height_internal() || y < 0)
+    return;
+
+  // low and high watermark may speed up drawing from buffer
+  this->x_low_ = (x < this->x_low_) ? x : this->x_low_;
+  this->y_low_ = (y < this->y_low_) ? y : this->y_low_;
+  this->x_high_ = (x > this->x_high_) ? x : this->x_high_;
+  this->y_high_ = (y > this->y_high_) ? y : this->y_high_;
+
+  uint32_t pos = (y * width_) + x;
+  auto color565 = color.to_rgb_565();
+  buffer_[pos] = convert_to_8bit_color_(color565);
+}
+
+// should return the total size: return this->get_width_internal() * this->get_height_internal() * 2 // 16bit color
+// values per bit is huge
+uint32_t ILI9341Display::get_buffer_length_() { return this->get_width_internal() * this->get_height_internal(); }
+
+void ILI9341Display::start_command_() {
+  this->dc_pin_->digital_write(false);
+  this->enable();
+}
+
+void ILI9341Display::end_command_() { this->disable(); }
+void ILI9341Display::start_data_() {
+  this->dc_pin_->digital_write(true);
+  this->enable();
+}
+void ILI9341Display::end_data_() { this->disable(); }
+
+void ILI9341Display::init_lcd_(const uint8_t *init_cmd) {
+  uint8_t cmd, x, num_args;
+  const uint8_t *addr = init_cmd;
+  while ((cmd = pgm_read_byte(addr++)) > 0) {
+    x = pgm_read_byte(addr++);
+    num_args = x & 0x7F;
+    send_command(cmd, addr, num_args);
+    addr += num_args;
+    if (x & 0x80)
+      delay(150);  // NOLINT
+  }
+}
+
+void ILI9341Display::set_addr_window_(uint16_t x1, uint16_t y1, uint16_t w, uint16_t h) {
+  uint16_t x2 = (x1 + w - 1), y2 = (y1 + h - 1);
+  this->command(ILI9341_CASET);  // Column address set
+  this->start_data_();
+  this->write_byte(x1 >> 8);
+  this->write_byte(x1);
+  this->write_byte(x2 >> 8);
+  this->write_byte(x2);
+  this->end_data_();
+  this->command(ILI9341_PASET);  // Row address set
+  this->start_data_();
+  this->write_byte(y1 >> 8);
+  this->write_byte(y1);
+  this->write_byte(y2 >> 8);
+  this->write_byte(y2);
+  this->end_data_();
+  this->command(ILI9341_RAMWR);  // Write to RAM
+}
+
+void ILI9341Display::invert_display_(bool invert) { this->command(invert ? ILI9341_INVON : ILI9341_INVOFF); }
+
+int ILI9341Display::get_width_internal() { return this->width_; }
+int ILI9341Display::get_height_internal() { return this->height_; }
+
+//   M5Stack display
+void ILI9341M5Stack::initialize() {
+  this->init_lcd_(INITCMD_M5STACK);
+  this->width_ = 320;
+  this->height_ = 240;
+  this->invert_display_(true);
+  this->fill_internal_(COLOR_BLACK);
+}
+
+//   24_TFT display
+void ILI9341TFT24::initialize() {
+  this->init_lcd_(INITCMD_TFT);
+  this->width_ = 240;
+  this->height_ = 320;
+  this->fill_internal_(COLOR_BLACK);
+}
+
+}  // namespace ili9341
+}  // namespace esphome

esphome/components/ili9341/ili9341_display.h

@@ -0,0 +1,92 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/spi/spi.h"
+#include "esphome/components/display/display_buffer.h"
+#include "ili9341_defines.h"
+#include "ili9341_init.h"
+
+namespace esphome {
+namespace ili9341 {
+
+enum ILI9341Model {
+  M5STACK = 0,
+  TFT_24,
+};
+
+class ILI9341Display : public PollingComponent,
+                       public display::DisplayBuffer,
+                       public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW,
+                                             spi::CLOCK_PHASE_LEADING, spi::DATA_RATE_40MHZ> {
+ public:
+  void set_dc_pin(GPIOPin *dc_pin) { dc_pin_ = dc_pin; }
+  float get_setup_priority() const override;
+  void set_reset_pin(GPIOPin *reset) { this->reset_pin_ = reset; }
+  void set_led_pin(GPIOPin *led) { this->led_pin_ = led; }
+  void set_model(ILI9341Model model) { this->model_ = model; }
+
+  void command(uint8_t value);
+  void data(uint8_t value);
+  void send_command(uint8_t command_byte, const uint8_t *data_bytes, uint8_t num_data_bytes);
+  uint8_t read_command(uint8_t command_byte, uint8_t index);
+  virtual void initialize() = 0;
+
+  void update() override;
+
+  void fill(Color color) override;
+
+  void dump_config() override;
+  void setup() override {
+    this->setup_pins_();
+    this->initialize();
+  }
+
+ protected:
+  void draw_absolute_pixel_internal(int x, int y, Color color) override;
+  void setup_pins_();
+
+  void init_lcd_(const uint8_t *init_cmd);
+  void set_addr_window_(uint16_t x, uint16_t y, uint16_t w, uint16_t h);
+  void invert_display_(bool invert);
+  void reset_();
+  void fill_internal_(Color color);
+  void display_();
+  uint16_t convert_to_16bit_color_(uint8_t color_8bit);
+  uint8_t convert_to_8bit_color_(uint16_t color_16bit);
+
+  ILI9341Model model_;
+  int16_t width_{320};   ///< Display width as modified by current rotation
+  int16_t height_{240};  ///< Display height as modified by current rotation
+  uint16_t x_low_{0};
+  uint16_t y_low_{0};
+  uint16_t x_high_{0};
+  uint16_t y_high_{0};
+
+  uint32_t get_buffer_length_();
+  int get_width_internal() override;
+  int get_height_internal() override;
+
+  void start_command_();
+  void end_command_();
+  void start_data_();
+  void end_data_();
+
+  GPIOPin *reset_pin_{nullptr};
+  GPIOPin *led_pin_{nullptr};
+  GPIOPin *dc_pin_;
+  GPIOPin *busy_pin_{nullptr};
+};
+
+//-----------   M5Stack display --------------
+class ILI9341M5Stack : public ILI9341Display {
+ public:
+  void initialize() override;
+};
+
+//-----------   ILI9341_24_TFT display --------------
+class ILI9341TFT24 : public ILI9341Display {
+ public:
+  void initialize() override;
+};
+}  // namespace ili9341
+}  // namespace esphome

esphome/components/ili9341/ili9341_init.h

@@ -0,0 +1,70 @@
+#pragma once
+#include "esphome/core/helpers.h"
+
+namespace esphome {
+namespace ili9341 {
+
+// clang-format off
+static const uint8_t PROGMEM INITCMD_M5STACK[] = {
+  0xEF, 3, 0x03, 0x80, 0x02,
+  0xCF, 3, 0x00, 0xC1, 0x30,
+  0xED, 4, 0x64, 0x03, 0x12, 0x81,
+  0xE8, 3, 0x85, 0x00, 0x78,
+  0xCB, 5, 0x39, 0x2C, 0x00, 0x34, 0x02,
+  0xF7, 1, 0x20,
+  0xEA, 2, 0x00, 0x00,
+  ILI9341_PWCTR1  , 1, 0x23,             // Power control VRH[5:0]
+  ILI9341_PWCTR2  , 1, 0x10,             // Power control SAP[2:0];BT[3:0]
+  ILI9341_VMCTR1  , 2, 0x3e, 0x28,       // VCM control
+  ILI9341_VMCTR2  , 1, 0x86,             // VCM control2
+  ILI9341_MADCTL  , 1, MADCTL_BGR,       // Memory Access Control
+  ILI9341_VSCRSADD, 1, 0x00,             // Vertical scroll zero
+  ILI9341_PIXFMT  , 1, 0x55,
+  ILI9341_FRMCTR1 , 2, 0x00, 0x13,
+  ILI9341_DFUNCTR , 3, 0x08, 0x82, 0x27, // Display Function Control
+  0xF2, 1, 0x00,                         // 3Gamma Function Disable
+  ILI9341_GAMMASET , 1, 0x01,             // Gamma curve selected
+  ILI9341_GMCTRP1 , 15, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, // Set Gamma
+                        0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 
+                        0x0E, 0x09, 0x00,
+  ILI9341_GMCTRN1 , 15, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, // Set Gamma
+                        0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 
+                        0x31, 0x36, 0x0F,
+  ILI9341_SLPOUT  , 0x80,                // Exit Sleep
+  ILI9341_DISPON  , 0x80,                // Display on
+  0x00                                   // End of list
+};
+
+static const uint8_t PROGMEM INITCMD_TFT[] = {
+  0xEF, 3, 0x03, 0x80, 0x02,
+  0xCF, 3, 0x00, 0xC1, 0x30,
+  0xED, 4, 0x64, 0x03, 0x12, 0x81,
+  0xE8, 3, 0x85, 0x00, 0x78,
+  0xCB, 5, 0x39, 0x2C, 0x00, 0x34, 0x02,
+  0xF7, 1, 0x20,
+  0xEA, 2, 0x00, 0x00,
+  ILI9341_PWCTR1  , 1, 0x23,             // Power control VRH[5:0]
+  ILI9341_PWCTR2  , 1, 0x10,             // Power control SAP[2:0];BT[3:0]
+  ILI9341_VMCTR1  , 2, 0x3e, 0x28,       // VCM control
+  ILI9341_VMCTR2  , 1, 0x86,             // VCM control2
+  ILI9341_MADCTL  , 1, 0x48,             // Memory Access Control
+  ILI9341_VSCRSADD, 1, 0x00,             // Vertical scroll zero
+  ILI9341_PIXFMT  , 1, 0x55,
+  ILI9341_FRMCTR1 , 2, 0x00, 0x18,
+  ILI9341_DFUNCTR , 3, 0x08, 0x82, 0x27, // Display Function Control
+  0xF2, 1, 0x00,                         // 3Gamma Function Disable
+  ILI9341_GAMMASET , 1, 0x01,             // Gamma curve selected
+  ILI9341_GMCTRP1 , 15, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, // Set Gamma
+                        0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 
+                        0x0E, 0x09, 0x00,
+  ILI9341_GMCTRN1 , 15, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, // Set Gamma
+                        0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 
+                        0x31, 0x36, 0x0F,
+  ILI9341_SLPOUT  , 0x80,                // Exit Sleep
+  ILI9341_DISPON  , 0x80,                // Display on
+  0x00                                   // End of list
+};
+
+// clang-format on
+}  // namespace ili9341
+}  // namespace esphome

esphome/components/image/__init__.py

@@ -4,14 +4,14 @@ from esphome import core
 from esphome.components import display, font
 import esphome.config_validation as cv
 import esphome.codegen as cg
-from esphome.const import CONF_FILE, CONF_ID, CONF_TYPE, CONF_RESIZE
+from esphome.const import CONF_FILE, CONF_ID, CONF_TYPE, CONF_RESIZE, CONF_DITHER
 from esphome.core import CORE, HexInt
+
 _LOGGER = logging.getLogger(__name__)
 
 DEPENDENCIES = ['display']
 MULTI_CONF = True
 
-
 ImageType = display.display_ns.enum('ImageType')
 IMAGE_TYPE = {
     'BINARY': ImageType.IMAGE_TYPE_BINARY,
@@ -28,6 +28,7 @@ IMAGE_SCHEMA = cv.Schema({
     cv.Required(CONF_FILE): cv.file_,
     cv.Optional(CONF_RESIZE): cv.dimensions,
     cv.Optional(CONF_TYPE, default='BINARY'): cv.enum(IMAGE_TYPE, upper=True),
+    cv.Optional(CONF_DITHER, default='NONE'): cv.one_of("NONE", "FLOYDSTEINBERG", upper=True),
     cv.GenerateID(CONF_RAW_DATA_ID): cv.declare_id(cg.uint8),
 })
 
@@ -53,8 +54,9 @@ def to_code(config):
             _LOGGER.warning("The image you requested is very big. Please consider using"
                             " the resize parameter.")
 
+    dither = Image.NONE if config[CONF_DITHER] == 'NONE' else Image.FLOYDSTEINBERG
     if config[CONF_TYPE] == 'GRAYSCALE':
-        image = image.convert('L', dither=Image.NONE)
+        image = image.convert('L', dither=dither)
         pixels = list(image.getdata())
         data = [0 for _ in range(height * width)]
         pos = 0
@@ -76,7 +78,7 @@ def to_code(config):
             pos += 1
 
     elif config[CONF_TYPE] == 'BINARY':
-        image = image.convert('1', dither=Image.NONE)
+        image = image.convert('1', dither=dither)
         width8 = ((width + 7) // 8) * 8
         data = [0 for _ in range(height * width8 // 8)]
         for y in range(height):

esphome/components/inkplate6/__init__.py

@@ -0,0 +1 @@
+CODEOWNERS = ['@jesserockz']

esphome/components/inkplate6/display.py

@@ -0,0 +1,141 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome import pins
+from esphome.components import display, i2c
+from esphome.const import CONF_FULL_UPDATE_EVERY, CONF_ID, CONF_LAMBDA, CONF_PAGES, \
+    CONF_WAKEUP_PIN, ESP_PLATFORM_ESP32
+
+DEPENDENCIES = ['i2c']
+ESP_PLATFORMS = [ESP_PLATFORM_ESP32]
+
+CONF_DISPLAY_DATA_0_PIN = 'display_data_0_pin'
+CONF_DISPLAY_DATA_1_PIN = 'display_data_1_pin'
+CONF_DISPLAY_DATA_2_PIN = 'display_data_2_pin'
+CONF_DISPLAY_DATA_3_PIN = 'display_data_3_pin'
+CONF_DISPLAY_DATA_4_PIN = 'display_data_4_pin'
+CONF_DISPLAY_DATA_5_PIN = 'display_data_5_pin'
+CONF_DISPLAY_DATA_6_PIN = 'display_data_6_pin'
+CONF_DISPLAY_DATA_7_PIN = 'display_data_7_pin'
+
+CONF_CL_PIN = 'cl_pin'
+CONF_CKV_PIN = 'ckv_pin'
+CONF_GREYSCALE = 'greyscale'
+CONF_GMOD_PIN = 'gmod_pin'
+CONF_GPIO0_ENABLE_PIN = 'gpio0_enable_pin'
+CONF_LE_PIN = 'le_pin'
+CONF_OE_PIN = 'oe_pin'
+CONF_PARTIAL_UPDATING = 'partial_updating'
+CONF_POWERUP_PIN = 'powerup_pin'
+CONF_SPH_PIN = 'sph_pin'
+CONF_SPV_PIN = 'spv_pin'
+CONF_VCOM_PIN = 'vcom_pin'
+
+
+inkplate6_ns = cg.esphome_ns.namespace('inkplate6')
+Inkplate6 = inkplate6_ns.class_('Inkplate6', cg.PollingComponent, i2c.I2CDevice,
+                                display.DisplayBuffer)
+
+CONFIG_SCHEMA = cv.All(display.FULL_DISPLAY_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_id(Inkplate6),
+    cv.Optional(CONF_GREYSCALE, default=False): cv.boolean,
+    cv.Optional(CONF_PARTIAL_UPDATING, default=True): cv.boolean,
+    cv.Optional(CONF_FULL_UPDATE_EVERY, default=10): cv.uint32_t,
+    # Control pins
+    cv.Required(CONF_CKV_PIN): pins.gpio_output_pin_schema,
+    cv.Required(CONF_GMOD_PIN): pins.gpio_output_pin_schema,
+    cv.Required(CONF_GPIO0_ENABLE_PIN): pins.gpio_output_pin_schema,
+    cv.Required(CONF_OE_PIN): pins.gpio_output_pin_schema,
+    cv.Required(CONF_POWERUP_PIN): pins.gpio_output_pin_schema,
+    cv.Required(CONF_SPH_PIN): pins.gpio_output_pin_schema,
+    cv.Required(CONF_SPV_PIN): pins.gpio_output_pin_schema,
+    cv.Required(CONF_VCOM_PIN): pins.gpio_output_pin_schema,
+    cv.Required(CONF_WAKEUP_PIN): pins.gpio_output_pin_schema,
+    cv.Optional(CONF_CL_PIN, default=0): pins.internal_gpio_output_pin_schema,
+    cv.Optional(CONF_LE_PIN, default=2): pins.internal_gpio_output_pin_schema,
+    # Data pins
+    cv.Optional(CONF_DISPLAY_DATA_0_PIN, default=4): pins.internal_gpio_output_pin_schema,
+    cv.Optional(CONF_DISPLAY_DATA_1_PIN, default=5): pins.internal_gpio_output_pin_schema,
+    cv.Optional(CONF_DISPLAY_DATA_2_PIN, default=18): pins.internal_gpio_output_pin_schema,
+    cv.Optional(CONF_DISPLAY_DATA_3_PIN, default=19): pins.internal_gpio_output_pin_schema,
+    cv.Optional(CONF_DISPLAY_DATA_4_PIN, default=23): pins.internal_gpio_output_pin_schema,
+    cv.Optional(CONF_DISPLAY_DATA_5_PIN, default=25): pins.internal_gpio_output_pin_schema,
+    cv.Optional(CONF_DISPLAY_DATA_6_PIN, default=26): pins.internal_gpio_output_pin_schema,
+    cv.Optional(CONF_DISPLAY_DATA_7_PIN, default=27): pins.internal_gpio_output_pin_schema,
+}).extend(cv.polling_component_schema('5s').extend(i2c.i2c_device_schema(0x48))),
+                       cv.has_at_most_one_key(CONF_PAGES, CONF_LAMBDA))
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+
+    yield cg.register_component(var, config)
+    yield display.register_display(var, config)
+    yield i2c.register_i2c_device(var, config)
+
+    if CONF_LAMBDA in config:
+        lambda_ = yield cg.process_lambda(config[CONF_LAMBDA], [(display.DisplayBufferRef, 'it')],
+                                          return_type=cg.void)
+        cg.add(var.set_writer(lambda_))
+
+    cg.add(var.set_greyscale(config[CONF_GREYSCALE]))
+    cg.add(var.set_partial_updating(config[CONF_PARTIAL_UPDATING]))
+    cg.add(var.set_full_update_every(config[CONF_FULL_UPDATE_EVERY]))
+
+    ckv = yield cg.gpio_pin_expression(config[CONF_CKV_PIN])
+    cg.add(var.set_ckv_pin(ckv))
+
+    gmod = yield cg.gpio_pin_expression(config[CONF_GMOD_PIN])
+    cg.add(var.set_gmod_pin(gmod))
+
+    gpio0_enable = yield cg.gpio_pin_expression(config[CONF_GPIO0_ENABLE_PIN])
+    cg.add(var.set_gpio0_enable_pin(gpio0_enable))
+
+    oe = yield cg.gpio_pin_expression(config[CONF_OE_PIN])
+    cg.add(var.set_oe_pin(oe))
+
+    powerup = yield cg.gpio_pin_expression(config[CONF_POWERUP_PIN])
+    cg.add(var.set_powerup_pin(powerup))
+
+    sph = yield cg.gpio_pin_expression(config[CONF_SPH_PIN])
+    cg.add(var.set_sph_pin(sph))
+
+    spv = yield cg.gpio_pin_expression(config[CONF_SPV_PIN])
+    cg.add(var.set_spv_pin(spv))
+
+    vcom = yield cg.gpio_pin_expression(config[CONF_VCOM_PIN])
+    cg.add(var.set_vcom_pin(vcom))
+
+    wakeup = yield cg.gpio_pin_expression(config[CONF_WAKEUP_PIN])
+    cg.add(var.set_wakeup_pin(wakeup))
+
+    cl = yield cg.gpio_pin_expression(config[CONF_CL_PIN])
+    cg.add(var.set_cl_pin(cl))
+
+    le = yield cg.gpio_pin_expression(config[CONF_LE_PIN])
+    cg.add(var.set_le_pin(le))
+
+    display_data_0 = yield cg.gpio_pin_expression(config[CONF_DISPLAY_DATA_0_PIN])
+    cg.add(var.set_display_data_0_pin(display_data_0))
+
+    display_data_1 = yield cg.gpio_pin_expression(config[CONF_DISPLAY_DATA_1_PIN])
+    cg.add(var.set_display_data_1_pin(display_data_1))
+
+    display_data_2 = yield cg.gpio_pin_expression(config[CONF_DISPLAY_DATA_2_PIN])
+    cg.add(var.set_display_data_2_pin(display_data_2))
+
+    display_data_3 = yield cg.gpio_pin_expression(config[CONF_DISPLAY_DATA_3_PIN])
+    cg.add(var.set_display_data_3_pin(display_data_3))
+
+    display_data_4 = yield cg.gpio_pin_expression(config[CONF_DISPLAY_DATA_4_PIN])
+    cg.add(var.set_display_data_4_pin(display_data_4))
+
+    display_data_5 = yield cg.gpio_pin_expression(config[CONF_DISPLAY_DATA_5_PIN])
+    cg.add(var.set_display_data_5_pin(display_data_5))
+
+    display_data_6 = yield cg.gpio_pin_expression(config[CONF_DISPLAY_DATA_6_PIN])
+    cg.add(var.set_display_data_6_pin(display_data_6))
+
+    display_data_7 = yield cg.gpio_pin_expression(config[CONF_DISPLAY_DATA_7_PIN])
+    cg.add(var.set_display_data_7_pin(display_data_7))
+
+    cg.add_build_flag('-DBOARD_HAS_PSRAM')

esphome/components/inkplate6/inkplate.cpp

@@ -0,0 +1,630 @@
+#include "inkplate.h"
+#include "esphome/core/log.h"
+#include "esphome/core/application.h"
+#include "esphome/core/helpers.h"
+
+#ifdef ARDUINO_ARCH_ESP32
+
+namespace esphome {
+namespace inkplate6 {
+
+static const char *TAG = "inkplate";
+
+void Inkplate6::setup() {
+  this->initialize_();
+
+  this->vcom_pin_->setup();
+  this->powerup_pin_->setup();
+  this->wakeup_pin_->setup();
+  this->gpio0_enable_pin_->setup();
+  this->gpio0_enable_pin_->digital_write(true);
+
+  this->cl_pin_->setup();
+  this->le_pin_->setup();
+  this->ckv_pin_->setup();
+  this->gmod_pin_->setup();
+  this->oe_pin_->setup();
+  this->sph_pin_->setup();
+  this->spv_pin_->setup();
+
+  this->display_data_0_pin_->setup();
+  this->display_data_1_pin_->setup();
+  this->display_data_2_pin_->setup();
+  this->display_data_3_pin_->setup();
+  this->display_data_4_pin_->setup();
+  this->display_data_5_pin_->setup();
+  this->display_data_6_pin_->setup();
+  this->display_data_7_pin_->setup();
+
+  this->clean();
+  this->display();
+}
+void Inkplate6::initialize_() {
+  uint32_t buffer_size = this->get_buffer_length_();
+
+  if (this->partial_buffer_ != nullptr) {
+    free(this->partial_buffer_);  // NOLINT
+  }
+  if (this->partial_buffer_2_ != nullptr) {
+    free(this->partial_buffer_2_);  // NOLINT
+  }
+  if (this->buffer_ != nullptr) {
+    free(this->buffer_);  // NOLINT
+  }
+
+  this->buffer_ = (uint8_t *) ps_malloc(buffer_size);
+  if (this->buffer_ == nullptr) {
+    ESP_LOGE(TAG, "Could not allocate buffer for display!");
+    this->mark_failed();
+    return;
+  }
+  if (!this->greyscale_) {
+    this->partial_buffer_ = (uint8_t *) ps_malloc(buffer_size);
+    if (this->partial_buffer_ == nullptr) {
+      ESP_LOGE(TAG, "Could not allocate partial buffer for display!");
+      this->mark_failed();
+      return;
+    }
+    this->partial_buffer_2_ = (uint8_t *) ps_malloc(buffer_size * 2);
+    if (this->partial_buffer_2_ == nullptr) {
+      ESP_LOGE(TAG, "Could not allocate partial buffer 2 for display!");
+      this->mark_failed();
+      return;
+    }
+    memset(this->partial_buffer_, 0, buffer_size);
+    memset(this->partial_buffer_2_, 0, buffer_size * 2);
+  }
+
+  memset(this->buffer_, 0, buffer_size);
+}
+float Inkplate6::get_setup_priority() const { return setup_priority::PROCESSOR; }
+size_t Inkplate6::get_buffer_length_() {
+  if (this->greyscale_) {
+    return size_t(this->get_width_internal()) * size_t(this->get_height_internal()) / 2u;
+  } else {
+    return size_t(this->get_width_internal()) * size_t(this->get_height_internal()) / 8u;
+  }
+}
+void Inkplate6::update() {
+  this->do_update_();
+
+  if (this->full_update_every_ > 0 && this->partial_updates_ >= this->full_update_every_) {
+    this->block_partial_ = true;
+  }
+
+  this->display();
+}
+void HOT Inkplate6::draw_absolute_pixel_internal(int x, int y, Color color) {
+  if (x >= this->get_width_internal() || y >= this->get_height_internal() || x < 0 || y < 0)
+    return;
+
+  if (this->greyscale_) {
+    int x1 = x / 2;
+    int x_sub = x % 2;
+    uint32_t pos = (x1 + y * (this->get_width_internal() / 2));
+    uint8_t current = this->buffer_[pos];
+
+    // float px = (0.2126 * (color.red / 255.0)) + (0.7152 * (color.green / 255.0)) + (0.0722 * (color.blue / 255.0));
+    // px = pow(px, 1.5);
+    // uint8_t gs = (uint8_t)(px*7);
+
+    uint8_t gs = ((color.red * 2126 / 10000) + (color.green * 7152 / 10000) + (color.blue * 722 / 10000)) >> 5;
+    this->buffer_[pos] = (pixelMaskGLUT[x_sub] & current) | (x_sub ? gs : gs << 4);
+
+  } else {
+    int x1 = x / 8;
+    int x_sub = x % 8;
+    uint32_t pos = (x1 + y * (this->get_width_internal() / 8));
+    uint8_t current = this->partial_buffer_[pos];
+    this->partial_buffer_[pos] = (~pixelMaskLUT[x_sub] & current) | (color.is_on() ? 0 : pixelMaskLUT[x_sub]);
+  }
+}
+void Inkplate6::dump_config() {
+  LOG_DISPLAY("", "Inkplate", this);
+  ESP_LOGCONFIG(TAG, "  Greyscale: %s", YESNO(this->greyscale_));
+  ESP_LOGCONFIG(TAG, "  Partial Updating: %s", YESNO(this->partial_updating_));
+  ESP_LOGCONFIG(TAG, "  Full Update Every: %d", this->full_update_every_);
+  // Log pins
+  LOG_PIN("  CKV Pin: ", this->ckv_pin_);
+  LOG_PIN("  CL Pin: ", this->cl_pin_);
+  LOG_PIN("  GPIO0 Enable Pin: ", this->gpio0_enable_pin_);
+  LOG_PIN("  GMOD Pin: ", this->gmod_pin_);
+  LOG_PIN("  LE Pin: ", this->le_pin_);
+  LOG_PIN("  OE Pin: ", this->oe_pin_);
+  LOG_PIN("  POWERUP Pin: ", this->powerup_pin_);
+  LOG_PIN("  SPH Pin: ", this->sph_pin_);
+  LOG_PIN("  SPV Pin: ", this->spv_pin_);
+  LOG_PIN("  VCOM Pin: ", this->vcom_pin_);
+  LOG_PIN("  WAKEUP Pin: ", this->wakeup_pin_);
+
+  LOG_PIN("  Data 0 Pin: ", this->display_data_0_pin_);
+  LOG_PIN("  Data 1 Pin: ", this->display_data_1_pin_);
+  LOG_PIN("  Data 2 Pin: ", this->display_data_2_pin_);
+  LOG_PIN("  Data 3 Pin: ", this->display_data_3_pin_);
+  LOG_PIN("  Data 4 Pin: ", this->display_data_4_pin_);
+  LOG_PIN("  Data 5 Pin: ", this->display_data_5_pin_);
+  LOG_PIN("  Data 6 Pin: ", this->display_data_6_pin_);
+  LOG_PIN("  Data 7 Pin: ", this->display_data_7_pin_);
+
+  LOG_UPDATE_INTERVAL(this);
+}
+void Inkplate6::eink_off_() {
+  ESP_LOGV(TAG, "Eink off called");
+  unsigned long start_time = millis();
+  if (panel_on_ == 0)
+    return;
+  panel_on_ = 0;
+  this->gmod_pin_->digital_write(false);
+  this->oe_pin_->digital_write(false);
+
+  GPIO.out &= ~(get_data_pin_mask_() | (1 << this->cl_pin_->get_pin()) | (1 << this->le_pin_->get_pin()));
+
+  this->sph_pin_->digital_write(false);
+  this->spv_pin_->digital_write(false);
+
+  this->powerup_pin_->digital_write(false);
+  this->wakeup_pin_->digital_write(false);
+  this->vcom_pin_->digital_write(false);
+
+  pins_z_state_();
+}
+void Inkplate6::eink_on_() {
+  ESP_LOGV(TAG, "Eink on called");
+  unsigned long start_time = millis();
+  if (panel_on_ == 1)
+    return;
+  panel_on_ = 1;
+  pins_as_outputs_();
+  this->wakeup_pin_->digital_write(true);
+  this->powerup_pin_->digital_write(true);
+  this->vcom_pin_->digital_write(true);
+
+  this->write_byte(0x01, 0x3F);
+
+  delay(40);
+
+  this->write_byte(0x0D, 0x80);
+
+  delay(2);
+
+  this->read_byte(0x00, &temperature_, 0);
+
+  this->le_pin_->digital_write(false);
+  this->oe_pin_->digital_write(false);
+  this->cl_pin_->digital_write(false);
+  this->sph_pin_->digital_write(true);
+  this->gmod_pin_->digital_write(true);
+  this->spv_pin_->digital_write(true);
+  this->ckv_pin_->digital_write(false);
+  this->oe_pin_->digital_write(true);
+}
+void Inkplate6::fill(Color color) {
+  ESP_LOGV(TAG, "Fill called");
+  unsigned long start_time = millis();
+
+  if (this->greyscale_) {
+    uint8_t fill = ((color.red * 2126 / 10000) + (color.green * 7152 / 10000) + (color.blue * 722 / 10000)) >> 5;
+    for (uint32_t i = 0; i < this->get_buffer_length_(); i++)
+      this->buffer_[i] = (fill << 4) | fill;
+  } else {
+    uint8_t fill = color.is_on() ? 0x00 : 0xFF;
+    for (uint32_t i = 0; i < this->get_buffer_length_(); i++)
+      this->partial_buffer_[i] = fill;
+  }
+
+  ESP_LOGV(TAG, "Fill finished (%lums)", millis() - start_time);
+}
+void Inkplate6::display() {
+  ESP_LOGV(TAG, "Display called");
+  unsigned long start_time = millis();
+
+  if (this->greyscale_) {
+    this->display3b_();
+  } else {
+    if (this->partial_updating_ && this->partial_update_()) {
+      ESP_LOGV(TAG, "Display finished (partial) (%lums)", millis() - start_time);
+      return;
+    }
+    this->display1b_();
+  }
+  ESP_LOGV(TAG, "Display finished (full) (%lums)", millis() - start_time);
+}
+void Inkplate6::display1b_() {
+  ESP_LOGV(TAG, "Display1b called");
+  unsigned long start_time = millis();
+
+  for (int i = 0; i < this->get_buffer_length_(); i++) {
+    this->buffer_[i] &= this->partial_buffer_[i];
+    this->buffer_[i] |= this->partial_buffer_[i];
+  }
+
+  uint16_t pos;
+  uint32_t send;
+  uint8_t data;
+  uint8_t buffer_value;
+  eink_on_();
+  clean_fast_(0, 1);
+  clean_fast_(1, 5);
+  clean_fast_(2, 1);
+  clean_fast_(0, 5);
+  clean_fast_(2, 1);
+  clean_fast_(1, 12);
+  clean_fast_(2, 1);
+  clean_fast_(0, 11);
+
+  ESP_LOGV(TAG, "Display1b start loops (%lums)", millis() - start_time);
+  for (int k = 0; k < 3; k++) {
+    pos = this->get_buffer_length_() - 1;
+    vscan_start_();
+    for (int i = 0; i < this->get_height_internal(); i++) {
+      buffer_value = this->buffer_[pos];
+      data = LUTB[(buffer_value >> 4) & 0x0F];
+      send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+             (((data & B11100000) >> 5) << 25);
+      hscan_start_(send);
+      data = LUTB[buffer_value & 0x0F];
+      send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+             (((data & B11100000) >> 5) << 25);
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      pos--;
+
+      for (int j = 0; j < (this->get_width_internal() / 8) - 1; j++) {
+        buffer_value = this->buffer_[pos];
+        data = LUTB[(buffer_value >> 4) & 0x0F];
+        send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+               (((data & B11100000) >> 5) << 25);
+        GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+        GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+        data = LUTB[buffer_value & 0x0F];
+        send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+               (((data & B11100000) >> 5) << 25);
+        GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+        GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+        pos--;
+      }
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      vscan_end_();
+    }
+    delayMicroseconds(230);
+  }
+  ESP_LOGV(TAG, "Display1b first loop x %d (%lums)", 3, millis() - start_time);
+
+  pos = this->get_buffer_length_() - 1;
+  vscan_start_();
+  for (int i = 0; i < this->get_height_internal(); i++) {
+    buffer_value = this->buffer_[pos];
+    data = LUT2[(buffer_value >> 4) & 0x0F];
+    send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+           (((data & B11100000) >> 5) << 25);
+    hscan_start_(send);
+    data = LUT2[buffer_value & 0x0F];
+    send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+           (((data & B11100000) >> 5) << 25);
+    GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+    GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+    pos--;
+    for (int j = 0; j < (this->get_width_internal() / 8) - 1; j++) {
+      buffer_value = this->buffer_[pos];
+      data = LUT2[(buffer_value >> 4) & 0x0F];
+      send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+             (((data & B11100000) >> 5) << 25);
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      data = LUT2[buffer_value & 0x0F];
+      send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+             (((data & B11100000) >> 5) << 25);
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      pos--;
+    }
+    GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+    GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+    vscan_end_();
+  }
+  delayMicroseconds(230);
+  ESP_LOGV(TAG, "Display1b second loop (%lums)", millis() - start_time);
+
+  vscan_start_();
+  for (int i = 0; i < this->get_height_internal(); i++) {
+    buffer_value = this->buffer_[pos];
+    data = 0b00000000;
+    send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+           (((data & B11100000) >> 5) << 25);
+    hscan_start_(send);
+    GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+    GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+    for (int j = 0; j < (this->get_width_internal() / 8) - 1; j++) {
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+    }
+    GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+    GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+    vscan_end_();
+  }
+  delayMicroseconds(230);
+  ESP_LOGV(TAG, "Display1b third loop (%lums)", millis() - start_time);
+
+  vscan_start_();
+  eink_off_();
+  this->block_partial_ = false;
+  this->partial_updates_ = 0;
+  ESP_LOGV(TAG, "Display1b finished (%lums)", millis() - start_time);
+}
+void Inkplate6::display3b_() {
+  ESP_LOGV(TAG, "Display3b called");
+  unsigned long start_time = millis();
+
+  eink_on_();
+  clean_fast_(0, 1);
+  clean_fast_(1, 12);
+  clean_fast_(2, 1);
+  clean_fast_(0, 11);
+  clean_fast_(2, 1);
+  clean_fast_(1, 12);
+  clean_fast_(2, 1);
+  clean_fast_(0, 11);
+
+  for (int k = 0; k < 8; k++) {
+    uint32_t pos = this->get_buffer_length_() - 1;
+    uint32_t send;
+    uint8_t pix1;
+    uint8_t pix2;
+    uint8_t pix3;
+    uint8_t pix4;
+    uint8_t pixel;
+    uint8_t pixel2;
+
+    vscan_start_();
+    for (int i = 0; i < this->get_height_internal(); i++) {
+      pix1 = this->buffer_[pos--];
+      pix2 = this->buffer_[pos--];
+      pix3 = this->buffer_[pos--];
+      pix4 = this->buffer_[pos--];
+      pixel = (waveform3Bit[pix1 & 0x07][k] << 6) | (waveform3Bit[(pix1 >> 4) & 0x07][k] << 4) |
+              (waveform3Bit[pix2 & 0x07][k] << 2) | (waveform3Bit[(pix2 >> 4) & 0x07][k] << 0);
+      pixel2 = (waveform3Bit[pix3 & 0x07][k] << 6) | (waveform3Bit[(pix3 >> 4) & 0x07][k] << 4) |
+               (waveform3Bit[pix4 & 0x07][k] << 2) | (waveform3Bit[(pix4 >> 4) & 0x07][k] << 0);
+
+      send = ((pixel & B00000011) << 4) | (((pixel & B00001100) >> 2) << 18) | (((pixel & B00010000) >> 4) << 23) |
+             (((pixel & B11100000) >> 5) << 25);
+      hscan_start_(send);
+      send = ((pixel2 & B00000011) << 4) | (((pixel2 & B00001100) >> 2) << 18) | (((pixel2 & B00010000) >> 4) << 23) |
+             (((pixel2 & B11100000) >> 5) << 25);
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+
+      for (int j = 0; j < (this->get_width_internal() / 8) - 1; j++) {
+        pix1 = this->buffer_[pos--];
+        pix2 = this->buffer_[pos--];
+        pix3 = this->buffer_[pos--];
+        pix4 = this->buffer_[pos--];
+        pixel = (waveform3Bit[pix1 & 0x07][k] << 6) | (waveform3Bit[(pix1 >> 4) & 0x07][k] << 4) |
+                (waveform3Bit[pix2 & 0x07][k] << 2) | (waveform3Bit[(pix2 >> 4) & 0x07][k] << 0);
+        pixel2 = (waveform3Bit[pix3 & 0x07][k] << 6) | (waveform3Bit[(pix3 >> 4) & 0x07][k] << 4) |
+                 (waveform3Bit[pix4 & 0x07][k] << 2) | (waveform3Bit[(pix4 >> 4) & 0x07][k] << 0);
+
+        send = ((pixel & B00000011) << 4) | (((pixel & B00001100) >> 2) << 18) | (((pixel & B00010000) >> 4) << 23) |
+               (((pixel & B11100000) >> 5) << 25);
+        GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+        GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+
+        send = ((pixel2 & B00000011) << 4) | (((pixel2 & B00001100) >> 2) << 18) | (((pixel2 & B00010000) >> 4) << 23) |
+               (((pixel2 & B11100000) >> 5) << 25);
+        GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+        GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      }
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      vscan_end_();
+    }
+    delayMicroseconds(230);
+  }
+  clean_fast_(2, 1);
+  clean_fast_(3, 1);
+  vscan_start_();
+  eink_off_();
+  ESP_LOGV(TAG, "Display3b finished (%lums)", millis() - start_time);
+}
+bool Inkplate6::partial_update_() {
+  ESP_LOGV(TAG, "Partial update called");
+  unsigned long start_time = millis();
+  if (this->greyscale_)
+    return false;
+  if (this->block_partial_)
+    return false;
+
+  this->partial_updates_++;
+
+  uint16_t pos = this->get_buffer_length_() - 1;
+  uint32_t send;
+  uint8_t data;
+  uint8_t diffw, diffb;
+  uint32_t n = (this->get_buffer_length_() * 2) - 1;
+
+  for (int i = 0; i < this->get_height_internal(); i++) {
+    for (int j = 0; j < (this->get_width_internal() / 8); j++) {
+      diffw = (this->buffer_[pos] ^ this->partial_buffer_[pos]) & ~(this->partial_buffer_[pos]);
+      diffb = (this->buffer_[pos] ^ this->partial_buffer_[pos]) & this->partial_buffer_[pos];
+      pos--;
+      this->partial_buffer_2_[n--] = LUTW[diffw >> 4] & LUTB[diffb >> 4];
+      this->partial_buffer_2_[n--] = LUTW[diffw & 0x0F] & LUTB[diffb & 0x0F];
+    }
+  }
+  ESP_LOGV(TAG, "Partial update buffer built after (%lums)", millis() - start_time);
+
+  eink_on_();
+  for (int k = 0; k < 5; k++) {
+    vscan_start_();
+    n = (this->get_buffer_length_() * 2) - 1;
+    for (int i = 0; i < this->get_height_internal(); i++) {
+      data = this->partial_buffer_2_[n--];
+      send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+             (((data & B11100000) >> 5) << 25);
+      hscan_start_(send);
+      for (int j = 0; j < (this->get_width_internal() / 4) - 1; j++) {
+        data = this->partial_buffer_2_[n--];
+        send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+               (((data & B11100000) >> 5) << 25);
+        GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+        GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      }
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      vscan_end_();
+    }
+    delayMicroseconds(230);
+    ESP_LOGV(TAG, "Partial update loop k=%d (%lums)", k, millis() - start_time);
+  }
+  clean_fast_(2, 2);
+  clean_fast_(3, 1);
+  vscan_start_();
+  eink_off_();
+
+  for (int i = 0; i < this->get_buffer_length_(); i++) {
+    this->buffer_[i] = this->partial_buffer_[i];
+  }
+  ESP_LOGV(TAG, "Partial update finished (%lums)", millis() - start_time);
+  return true;
+}
+void Inkplate6::vscan_start_() {
+  this->ckv_pin_->digital_write(true);
+  delayMicroseconds(7);
+  this->spv_pin_->digital_write(false);
+  delayMicroseconds(10);
+  this->ckv_pin_->digital_write(false);
+  delayMicroseconds(0);
+  this->ckv_pin_->digital_write(true);
+  delayMicroseconds(8);
+  this->spv_pin_->digital_write(true);
+  delayMicroseconds(10);
+  this->ckv_pin_->digital_write(false);
+  delayMicroseconds(0);
+  this->ckv_pin_->digital_write(true);
+  delayMicroseconds(18);
+  this->ckv_pin_->digital_write(false);
+  delayMicroseconds(0);
+  this->ckv_pin_->digital_write(true);
+  delayMicroseconds(18);
+  this->ckv_pin_->digital_write(false);
+  delayMicroseconds(0);
+  this->ckv_pin_->digital_write(true);
+}
+void Inkplate6::vscan_write_() {
+  this->ckv_pin_->digital_write(false);
+  this->le_pin_->digital_write(true);
+  this->le_pin_->digital_write(false);
+  delayMicroseconds(0);
+  this->sph_pin_->digital_write(false);
+  this->cl_pin_->digital_write(true);
+  this->cl_pin_->digital_write(false);
+  this->sph_pin_->digital_write(true);
+  this->ckv_pin_->digital_write(true);
+}
+void Inkplate6::hscan_start_(uint32_t d) {
+  this->sph_pin_->digital_write(false);
+  GPIO.out_w1ts = (d) | (1 << this->cl_pin_->get_pin());
+  GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+  this->sph_pin_->digital_write(true);
+}
+void Inkplate6::vscan_end_() {
+  this->ckv_pin_->digital_write(false);
+  this->le_pin_->digital_write(true);
+  this->le_pin_->digital_write(false);
+  delayMicroseconds(1);
+  this->ckv_pin_->digital_write(true);
+}
+void Inkplate6::clean() {
+  ESP_LOGV(TAG, "Clean called");
+  unsigned long start_time = millis();
+
+  eink_on_();
+  clean_fast_(0, 1);   // White
+  clean_fast_(0, 8);   // White to White
+  clean_fast_(0, 1);   // White to Black
+  clean_fast_(0, 8);   // Black to Black
+  clean_fast_(2, 1);   // Black to White
+  clean_fast_(1, 10);  // White to White
+  ESP_LOGV(TAG, "Clean finished (%lums)", millis() - start_time);
+}
+void Inkplate6::clean_fast_(uint8_t c, uint8_t rep) {
+  ESP_LOGV(TAG, "Clean fast called with: (%d, %d)", c, rep);
+  unsigned long start_time = millis();
+
+  eink_on_();
+  uint8_t data = 0;
+  if (c == 0)  // White
+    data = B10101010;
+  else if (c == 1)  // Black
+    data = B01010101;
+  else if (c == 2)  // Discharge
+    data = B00000000;
+  else if (c == 3)  // Skip
+    data = B11111111;
+
+  uint32_t send = ((data & B00000011) << 4) | (((data & B00001100) >> 2) << 18) | (((data & B00010000) >> 4) << 23) |
+                  (((data & B11100000) >> 5) << 25);
+
+  for (int k = 0; k < rep; k++) {
+    vscan_start_();
+    for (int i = 0; i < this->get_height_internal(); i++) {
+      hscan_start_(send);
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      for (int j = 0; j < this->get_width_internal() / 8; j++) {
+        GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+        GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+        GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+        GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      }
+      GPIO.out_w1ts = (send) | (1 << this->cl_pin_->get_pin());
+      GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
+      vscan_end_();
+    }
+    delayMicroseconds(230);
+    ESP_LOGV(TAG, "Clean fast rep loop %d finished (%lums)", k, millis() - start_time);
+  }
+  ESP_LOGV(TAG, "Clean fast finished (%lums)", millis() - start_time);
+}
+void Inkplate6::pins_z_state_() {
+  this->ckv_pin_->pin_mode(INPUT);
+  this->sph_pin_->pin_mode(INPUT);
+
+  this->oe_pin_->pin_mode(INPUT);
+  this->gmod_pin_->pin_mode(INPUT);
+  this->spv_pin_->pin_mode(INPUT);
+
+  this->display_data_0_pin_->pin_mode(INPUT);
+  this->display_data_1_pin_->pin_mode(INPUT);
+  this->display_data_2_pin_->pin_mode(INPUT);
+  this->display_data_3_pin_->pin_mode(INPUT);
+  this->display_data_4_pin_->pin_mode(INPUT);
+  this->display_data_5_pin_->pin_mode(INPUT);
+  this->display_data_6_pin_->pin_mode(INPUT);
+  this->display_data_7_pin_->pin_mode(INPUT);
+}
+void Inkplate6::pins_as_outputs_() {
+  this->ckv_pin_->pin_mode(OUTPUT);
+  this->sph_pin_->pin_mode(OUTPUT);
+
+  this->oe_pin_->pin_mode(OUTPUT);
+  this->gmod_pin_->pin_mode(OUTPUT);
+  this->spv_pin_->pin_mode(OUTPUT);
+
+  this->display_data_0_pin_->pin_mode(OUTPUT);
+  this->display_data_1_pin_->pin_mode(OUTPUT);
+  this->display_data_2_pin_->pin_mode(OUTPUT);
+  this->display_data_3_pin_->pin_mode(OUTPUT);
+  this->display_data_4_pin_->pin_mode(OUTPUT);
+  this->display_data_5_pin_->pin_mode(OUTPUT);
+  this->display_data_6_pin_->pin_mode(OUTPUT);
+  this->display_data_7_pin_->pin_mode(OUTPUT);
+}
+
+}  // namespace inkplate6
+}  // namespace esphome
+
+#endif

esphome/components/inkplate6/inkplate.h

@@ -0,0 +1,157 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/i2c/i2c.h"
+#include "esphome/components/display/display_buffer.h"
+
+#ifdef ARDUINO_ARCH_ESP32
+
+namespace esphome {
+namespace inkplate6 {
+
+class Inkplate6 : public PollingComponent, public display::DisplayBuffer, public i2c::I2CDevice {
+ public:
+  const uint8_t LUT2[16] = {B10101010, B10101001, B10100110, B10100101, B10011010, B10011001, B10010110, B10010101,
+                            B01101010, B01101001, B01100110, B01100101, B01011010, B01011001, B01010110, B01010101};
+  const uint8_t LUTW[16] = {B11111111, B11111110, B11111011, B11111010, B11101111, B11101110, B11101011, B11101010,
+                            B10111111, B10111110, B10111011, B10111010, B10101111, B10101110, B10101011, B10101010};
+  const uint8_t LUTB[16] = {B11111111, B11111101, B11110111, B11110101, B11011111, B11011101, B11010111, B11010101,
+                            B01111111, B01111101, B01110111, B01110101, B01011111, B01011101, B01010111, B01010101};
+  const uint8_t pixelMaskLUT[8] = {B00000001, B00000010, B00000100, B00001000,
+                                   B00010000, B00100000, B01000000, B10000000};
+  const uint8_t pixelMaskGLUT[2] = {B00001111, B11110000};
+  const uint8_t waveform3Bit[8][8] = {{0, 0, 0, 0, 1, 1, 1, 0}, {1, 2, 2, 2, 1, 1, 1, 0}, {0, 1, 2, 1, 1, 2, 1, 0},
+                                      {0, 2, 1, 2, 1, 2, 1, 0}, {0, 0, 0, 1, 1, 1, 2, 0}, {2, 1, 1, 1, 2, 1, 2, 0},
+                                      {1, 1, 1, 2, 1, 2, 2, 0}, {0, 0, 0, 0, 0, 0, 2, 0}};
+  const uint32_t waveform[50] = {
+      0x00000008, 0x00000008, 0x00200408, 0x80281888, 0x60a81898, 0x60a8a8a8, 0x60a8a8a8, 0x6068a868, 0x6868a868,
+      0x6868a868, 0x68686868, 0x6a686868, 0x5a686868, 0x5a686868, 0x5a586a68, 0x5a5a6a68, 0x5a5a6a68, 0x55566a68,
+      0x55565a64, 0x55555654, 0x55555556, 0x55555556, 0x55555556, 0x55555516, 0x55555596, 0x15555595, 0x95955595,
+      0x95959595, 0x95949495, 0x94949495, 0x94949495, 0xa4949494, 0x9494a4a4, 0x84a49494, 0x84948484, 0x84848484,
+      0x84848484, 0x84848484, 0xa5a48484, 0xa9a4a4a8, 0xa9a8a8a8, 0xa5a9a9a4, 0xa5a5a5a4, 0xa1a5a5a1, 0xa9a9a9a9,
+      0xa9a9a9a9, 0xa9a9a9a9, 0xa9a9a9a9, 0x15151515, 0x11111111};
+
+  void set_greyscale(bool greyscale) {
+    this->greyscale_ = greyscale;
+    this->initialize_();
+    this->block_partial_ = true;
+  }
+  void set_partial_updating(bool partial_updating) { this->partial_updating_ = partial_updating; }
+  void set_full_update_every(uint32_t full_update_every) { this->full_update_every_ = full_update_every; }
+
+  void set_display_data_0_pin(GPIOPin *data) { this->display_data_0_pin_ = data; }
+  void set_display_data_1_pin(GPIOPin *data) { this->display_data_1_pin_ = data; }
+  void set_display_data_2_pin(GPIOPin *data) { this->display_data_2_pin_ = data; }
+  void set_display_data_3_pin(GPIOPin *data) { this->display_data_3_pin_ = data; }
+  void set_display_data_4_pin(GPIOPin *data) { this->display_data_4_pin_ = data; }
+  void set_display_data_5_pin(GPIOPin *data) { this->display_data_5_pin_ = data; }
+  void set_display_data_6_pin(GPIOPin *data) { this->display_data_6_pin_ = data; }
+  void set_display_data_7_pin(GPIOPin *data) { this->display_data_7_pin_ = data; }
+
+  void set_ckv_pin(GPIOPin *ckv) { this->ckv_pin_ = ckv; }
+  void set_cl_pin(GPIOPin *cl) { this->cl_pin_ = cl; }
+  void set_gpio0_enable_pin(GPIOPin *gpio0_enable) { this->gpio0_enable_pin_ = gpio0_enable; }
+  void set_gmod_pin(GPIOPin *gmod) { this->gmod_pin_ = gmod; }
+  void set_le_pin(GPIOPin *le) { this->le_pin_ = le; }
+  void set_oe_pin(GPIOPin *oe) { this->oe_pin_ = oe; }
+  void set_powerup_pin(GPIOPin *powerup) { this->powerup_pin_ = powerup; }
+  void set_sph_pin(GPIOPin *sph) { this->sph_pin_ = sph; }
+  void set_spv_pin(GPIOPin *spv) { this->spv_pin_ = spv; }
+  void set_vcom_pin(GPIOPin *vcom) { this->vcom_pin_ = vcom; }
+  void set_wakeup_pin(GPIOPin *wakeup) { this->wakeup_pin_ = wakeup; }
+
+  float get_setup_priority() const override;
+
+  void dump_config() override;
+
+  void display();
+  void clean();
+  void fill(Color color) override;
+
+  void update() override;
+
+  void setup() override;
+
+  uint8_t get_panel_state() { return this->panel_on_; }
+  bool get_greyscale() { return this->greyscale_; }
+  bool get_partial_updating() { return this->partial_updating_; }
+  uint8_t get_temperature() { return this->temperature_; }
+
+ protected:
+  void draw_absolute_pixel_internal(int x, int y, Color color) override;
+  void display1b_();
+  void display3b_();
+  void initialize_();
+  bool partial_update_();
+  void clean_fast_(uint8_t c, uint8_t rep);
+
+  void hscan_start_(uint32_t d);
+  void vscan_end_();
+  void vscan_start_();
+  void vscan_write_();
+
+  void eink_off_();
+  void eink_on_();
+
+  void setup_pins_();
+  void pins_z_state_();
+  void pins_as_outputs_();
+
+  int get_width_internal() override { return 800; }
+
+  int get_height_internal() override { return 600; }
+
+  size_t get_buffer_length_();
+
+  int get_data_pin_mask_() {
+    int data = 0;
+    data |= (1 << this->display_data_0_pin_->get_pin());
+    data |= (1 << this->display_data_1_pin_->get_pin());
+    data |= (1 << this->display_data_2_pin_->get_pin());
+    data |= (1 << this->display_data_3_pin_->get_pin());
+    data |= (1 << this->display_data_4_pin_->get_pin());
+    data |= (1 << this->display_data_5_pin_->get_pin());
+    data |= (1 << this->display_data_6_pin_->get_pin());
+    data |= (1 << this->display_data_7_pin_->get_pin());
+    return data;
+  }
+
+  uint8_t panel_on_ = 0;
+  uint8_t temperature_;
+
+  uint8_t *partial_buffer_{nullptr};
+  uint8_t *partial_buffer_2_{nullptr};
+
+  uint32_t full_update_every_;
+  uint32_t partial_updates_{0};
+
+  bool block_partial_;
+  bool greyscale_;
+  bool partial_updating_;
+
+  GPIOPin *display_data_0_pin_;
+  GPIOPin *display_data_1_pin_;
+  GPIOPin *display_data_2_pin_;
+  GPIOPin *display_data_3_pin_;
+  GPIOPin *display_data_4_pin_;
+  GPIOPin *display_data_5_pin_;
+  GPIOPin *display_data_6_pin_;
+  GPIOPin *display_data_7_pin_;
+
+  GPIOPin *ckv_pin_;
+  GPIOPin *cl_pin_;
+  GPIOPin *gpio0_enable_pin_;
+  GPIOPin *gmod_pin_;
+  GPIOPin *le_pin_;
+  GPIOPin *oe_pin_;
+  GPIOPin *powerup_pin_;
+  GPIOPin *sph_pin_;
+  GPIOPin *spv_pin_;
+  GPIOPin *vcom_pin_;
+  GPIOPin *wakeup_pin_;
+};
+
+}  // namespace inkplate6
+}  // namespace esphome
+
+#endif

esphome/components/light/addressable_light.h

@@ -149,10 +149,10 @@ struct ESPColor {
     return ESPColor(uint8_t((uint16_t(r) * 255U / max_rgb)), uint8_t((uint16_t(g) * 255U / max_rgb)),
                     uint8_t((uint16_t(b) * 255U / max_rgb)), w);
   }
-  ESPColor fade_to_white(uint8_t amnt) { return ESPColor(255, 255, 255, 255) - (*this * amnt); }
+  ESPColor fade_to_white(uint8_t amnt) const { return ESPColor(255, 255, 255, 255) - (*this * amnt); }
-  ESPColor fade_to_black(uint8_t amnt) { return *this * amnt; }
+  ESPColor fade_to_black(uint8_t amnt) const { return *this * amnt; }
-  ESPColor lighten(uint8_t delta) { return *this + delta; }
+  ESPColor lighten(uint8_t delta) const { return *this + delta; }
-  ESPColor darken(uint8_t delta) { return *this - delta; }
+  ESPColor darken(uint8_t delta) const { return *this - delta; }
 
   static const ESPColor BLACK;
   static const ESPColor WHITE;

esphome/components/max31855/max31855.cpp

@@ -41,10 +41,10 @@ void MAX31855Sensor::read_data_() {
   this->read_array(data, 4);
   this->disable();
 
-  const uint32_t mem = data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3] << 0;
+  const uint32_t mem = encode_uint32(data[0], data[1], data[2], data[3]);
 
   // Verify we got data
-  if (mem != 0 && mem != 0xFFFFFFFF) {
+  if (mem != 0xFFFFFFFF) {
     this->status_clear_error();
   } else {
     ESP_LOGE(TAG, "No data received from MAX31855 (0x%08X). Check wiring!", mem);

esphome/components/max7219digit/display.py

@@ -11,6 +11,7 @@ CONF_SCROLL_DWELL = 'scroll_dwell'
 CONF_SCROLL_DELAY = 'scroll_delay'
 CONF_SCROLL_ENABLE = 'scroll_enable'
 CONF_SCROLL_MODE = 'scroll_mode'
+CONF_REVERSE_ENABLE = 'reverse_enable'
 
 SCROLL_MODES = {
     'CONTINUOUS': 0,
@@ -39,6 +40,7 @@ CONFIG_SCHEMA = display.BASIC_DISPLAY_SCHEMA.extend({
     cv.Optional(CONF_SCROLL_SPEED, default='250ms'): cv.positive_time_period_milliseconds,
     cv.Optional(CONF_SCROLL_DELAY, default='1000ms'): cv.positive_time_period_milliseconds,
     cv.Optional(CONF_SCROLL_DWELL, default='1000ms'): cv.positive_time_period_milliseconds,
+    cv.Optional(CONF_REVERSE_ENABLE, default=False): cv.boolean,
 }).extend(cv.polling_component_schema('500ms')).extend(spi.spi_device_schema(cs_pin_required=True))
 
 
@@ -56,6 +58,7 @@ def to_code(config):
     cg.add(var.set_scroll_delay(config[CONF_SCROLL_DELAY]))
     cg.add(var.set_scroll(config[CONF_SCROLL_ENABLE]))
     cg.add(var.set_scroll_mode(config[CONF_SCROLL_MODE]))
+    cg.add(var.set_reverse(config[CONF_REVERSE_ENABLE]))
 
     if CONF_LAMBDA in config:
         lambda_ = yield cg.process_lambda(config[CONF_LAMBDA], [(MAX7219ComponentRef, 'it')],

esphome/components/max7219digit/max7219digit.cpp

@@ -108,8 +108,12 @@ void MAX7219Component::display() {
   // Send the data to the chip
   for (uint8_t i = 0; i < this->num_chips_; i++) {
     for (uint8_t j = 0; j < 8; j++) {
+      if (this->reverse_) {
+        pixels[j] = this->max_displaybuffer_[(this->num_chips_ - i - 1) * 8 + j];
+      } else {
         pixels[j] = this->max_displaybuffer_[i * 8 + j];
       }
+    }
     this->send64pixels(i, pixels);
   }
 }
@@ -128,7 +132,7 @@ void HOT MAX7219Component::draw_absolute_pixel_internal(int x, int y, Color colo
     this->max_displaybuffer_.resize(x + 1, this->bckgrnd_);
   }
 
-  if (y >= this->get_height_internal() || y < 0)  // If pixel is outside display then dont draw
+  if ((y >= this->get_height_internal()) || (y < 0) || (x < 0))  // If pixel is outside display then dont draw
     return;
 
   uint16_t pos = x;    // X is starting at 0 top left

esphome/components/max7219digit/max7219digit.h

@@ -52,6 +52,7 @@ class MAX7219Component : public PollingComponent,
   void set_scroll_delay(uint16_t delay) { this->scroll_delay_ = delay; };
   void set_scroll(bool on_off) { this->scroll_ = on_off; };
   void set_scroll_mode(uint8_t mode) { this->scroll_mode_ = mode; };
+  void set_reverse(bool on_off) { this->reverse_ = on_off; };
 
   void send_char(byte chip, byte data);
   void send64pixels(byte chip, const byte pixels[8]);
@@ -87,6 +88,7 @@ class MAX7219Component : public PollingComponent,
   uint8_t intensity_;  /// Intensity of the display from 0 to 15 (most)
   uint8_t num_chips_;
   bool scroll_;
+  bool reverse_;
   bool update_{false};
   uint16_t scroll_speed_;
   uint16_t scroll_delay_;

esphome/components/mcp23s08/__init__.py

@@ -0,0 +1,58 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome import pins
+from esphome.components import spi
+from esphome.const import CONF_ID, CONF_NUMBER, CONF_MODE, CONF_INVERTED
+
+CODEOWNERS = ['@SenexCrenshaw']
+
+DEPENDENCIES = ['spi']
+MULTI_CONF = True
+
+CONF_DEVICEADDRESS = "deviceaddress"
+
+mcp23S08_ns = cg.esphome_ns.namespace('mcp23s08')
+mcp23S08GPIOMode = mcp23S08_ns.enum('MCP23S08GPIOMode')
+mcp23S08_GPIO_MODES = {
+    'INPUT': mcp23S08GPIOMode.MCP23S08_INPUT,
+    'INPUT_PULLUP': mcp23S08GPIOMode.MCP23S08_INPUT_PULLUP,
+    'OUTPUT': mcp23S08GPIOMode.MCP23S08_OUTPUT,
+}
+
+mcp23S08 = mcp23S08_ns.class_('MCP23S08', cg.Component, spi.SPIDevice)
+mcp23S08GPIOPin = mcp23S08_ns.class_('MCP23S08GPIOPin', cg.GPIOPin)
+
+CONFIG_SCHEMA = cv.Schema({
+    cv.Required(CONF_ID): cv.declare_id(mcp23S08),
+    cv.Optional(CONF_DEVICEADDRESS, default=0): cv.uint8_t,
+}).extend(cv.COMPONENT_SCHEMA).extend(spi.spi_device_schema())
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    cg.add(var.set_device_address(config[CONF_DEVICEADDRESS]))
+    yield cg.register_component(var, config)
+    yield spi.register_spi_device(var, config)
+
+
+CONF_MCP23S08 = 'mcp23s08'
+
+mcp23S08_OUTPUT_PIN_SCHEMA = cv.Schema({
+    cv.GenerateID(CONF_MCP23S08): cv.use_id(mcp23S08),
+    cv.Required(CONF_NUMBER): cv.int_,
+    cv.Optional(CONF_MODE, default="OUTPUT"): cv.enum(mcp23S08_GPIO_MODES, upper=True),
+    cv.Optional(CONF_INVERTED, default=False): cv.boolean,
+})
+mcp23S08_INPUT_PIN_SCHEMA = cv.Schema({
+    cv.GenerateID(CONF_MCP23S08): cv.use_id(mcp23S08),
+    cv.Required(CONF_NUMBER): cv.int_range(0, 7),
+    cv.Optional(CONF_MODE, default="INPUT"): cv.enum(mcp23S08_GPIO_MODES, upper=True),
+    cv.Optional(CONF_INVERTED, default=False): cv.boolean,
+})
+
+
+@pins.PIN_SCHEMA_REGISTRY.register(CONF_MCP23S08,
+                                   (mcp23S08_OUTPUT_PIN_SCHEMA, mcp23S08_INPUT_PIN_SCHEMA))
+def mcp23S08_pin_to_code(config):
+    parent = yield cg.get_variable(config[CONF_MCP23S08])
+    yield mcp23S08GPIOPin.new(parent, config[CONF_NUMBER], config[CONF_MODE], config[CONF_INVERTED])

esphome/components/mcp23s08/mcp23s08.cpp

@@ -0,0 +1,121 @@
+#include "mcp23s08.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace mcp23s08 {
+
+static const char *TAG = "mcp23s08";
+
+void MCP23S08::set_device_address(uint8_t device_addr) {
+  if (device_addr != 0) {
+    this->device_opcode_ |= ((device_addr & 0x03) << 1);
+  }
+}
+
+void MCP23S08::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up MCP23S08...");
+  this->spi_setup();
+  this->enable();
+
+  this->transfer_byte(MCP23S08_IODIR);
+  this->transfer_byte(0xFF);
+  for (uint8_t i = 0; i < MCP23S08_OLAT; i++) {
+    this->transfer_byte(0x00);
+  }
+  this->disable();
+}
+
+void MCP23S08::dump_config() {
+  ESP_LOGCONFIG(TAG, "MCP23S08:");
+  LOG_PIN("  CS Pin: ", this->cs_);
+}
+
+float MCP23S08::get_setup_priority() const { return setup_priority::HARDWARE; }
+
+bool MCP23S08::digital_read(uint8_t pin) {
+  if (pin > 7) {
+    return false;
+  }
+  uint8_t bit = pin % 8;
+  uint8_t reg_addr = MCP23S08_GPIO;
+  uint8_t value = 0;
+  this->read_reg(reg_addr, &value);
+  return value & (1 << bit);
+}
+
+void MCP23S08::digital_write(uint8_t pin, bool value) {
+  if (pin > 7) {
+    return;
+  }
+  uint8_t reg_addr = MCP23S08_OLAT;
+  this->update_reg(pin, value, reg_addr);
+}
+
+void MCP23S08::pin_mode(uint8_t pin, uint8_t mode) {
+  uint8_t iodir = MCP23S08_IODIR;
+  uint8_t gppu = MCP23S08_GPPU;
+  switch (mode) {
+    case MCP23S08_INPUT:
+      this->update_reg(pin, true, iodir);
+      break;
+    case MCP23S08_INPUT_PULLUP:
+      this->update_reg(pin, true, iodir);
+      this->update_reg(pin, true, gppu);
+      break;
+    case MCP23S08_OUTPUT:
+      this->update_reg(pin, false, iodir);
+      break;
+    default:
+      break;
+  }
+}
+
+void MCP23S08::update_reg(uint8_t pin, bool pin_value, uint8_t reg_addr) {
+  uint8_t bit = pin % 8;
+  uint8_t reg_value = 0;
+  if (reg_addr == MCP23S08_OLAT) {
+    reg_value = this->olat_;
+  } else {
+    this->read_reg(reg_addr, &reg_value);
+  }
+
+  if (pin_value)
+    reg_value |= 1 << bit;
+  else
+    reg_value &= ~(1 << bit);
+
+  this->write_reg(reg_addr, reg_value);
+
+  if (reg_addr == MCP23S08_OLAT) {
+    this->olat_ = reg_value;
+  }
+}
+
+bool MCP23S08::write_reg(uint8_t reg, uint8_t value) {
+  this->enable();
+  this->transfer_byte(this->device_opcode_);
+  this->transfer_byte(reg);
+  this->transfer_byte(value);
+  this->disable();
+  return true;
+}
+
+bool MCP23S08::read_reg(uint8_t reg, uint8_t *value) {
+  uint8_t data;
+  this->enable();
+  this->transfer_byte(this->device_opcode_ | 1);
+  this->transfer_byte(reg);
+  *value = this->transfer_byte(0);
+  this->disable();
+  return true;
+}
+
+MCP23S08GPIOPin::MCP23S08GPIOPin(MCP23S08 *parent, uint8_t pin, uint8_t mode, bool inverted)
+    : GPIOPin(pin, mode, inverted), parent_(parent) {}
+void MCP23S08GPIOPin::setup() { this->pin_mode(this->mode_); }
+void MCP23S08GPIOPin::pin_mode(uint8_t mode) { this->parent_->pin_mode(this->pin_, mode); }
+bool MCP23S08GPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
+void MCP23S08GPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
+
+}  // namespace mcp23s08
+}  // namespace esphome

esphome/components/mcp23s08/mcp23s08.h

@@ -0,0 +1,74 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/esphal.h"
+#include "esphome/components/spi/spi.h"
+
+namespace esphome {
+namespace mcp23s08 {
+
+/// Modes for MCP23S08 pins
+enum MCP23S08GPIOMode : uint8_t {
+  MCP23S08_INPUT = INPUT,                // 0x00
+  MCP23S08_INPUT_PULLUP = INPUT_PULLUP,  // 0x02
+  MCP23S08_OUTPUT = OUTPUT               // 0x01
+};
+
+enum MCP23S08GPIORegisters {
+  // A side
+  MCP23S08_IODIR = 0x00,
+  MCP23S08_IPOL = 0x01,
+  MCP23S08_GPINTEN = 0x02,
+  MCP23S08_DEFVAL = 0x03,
+  MCP23S08_INTCON = 0x04,
+  MCP23S08_IOCON = 0x05,
+  MCP23S08_GPPU = 0x06,
+  MCP23S08_INTF = 0x07,
+  MCP23S08_INTCAP = 0x08,
+  MCP23S08_GPIO = 0x09,
+  MCP23S08_OLAT = 0x0A,
+};
+
+class MCP23S08 : public Component,
+                 public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW, spi::CLOCK_PHASE_LEADING,
+                                       spi::DATA_RATE_10MHZ> {
+ public:
+  MCP23S08() = default;
+
+  void setup() override;
+  void dump_config() override;
+  bool digital_read(uint8_t pin);
+  void digital_write(uint8_t pin, bool value);
+  void pin_mode(uint8_t pin, uint8_t mode);
+
+  void set_device_address(uint8_t device_addr);
+
+  float get_setup_priority() const override;
+
+  // read a given register
+  bool read_reg(uint8_t reg, uint8_t *value);
+  // write a value to a given register
+  bool write_reg(uint8_t reg, uint8_t value);
+  // update registers with given pin value.
+  void update_reg(uint8_t pin, bool pin_value, uint8_t reg_a);
+
+ protected:
+  uint8_t device_opcode_ = 0x40;
+  uint8_t olat_{0x00};
+};
+
+class MCP23S08GPIOPin : public GPIOPin {
+ public:
+  MCP23S08GPIOPin(MCP23S08 *parent, uint8_t pin, uint8_t mode, bool inverted = false);
+
+  void setup() override;
+  void pin_mode(uint8_t mode) override;
+  bool digital_read() override;
+  void digital_write(bool value) override;
+
+ protected:
+  MCP23S08 *parent_;
+};
+
+}  // namespace mcp23s08
+}  // namespace esphome

esphome/components/mcp23s17/__init__.py

@@ -0,0 +1,58 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome import pins
+from esphome.components import spi
+from esphome.const import CONF_ID, CONF_NUMBER, CONF_MODE, CONF_INVERTED
+
+CODEOWNERS = ['@SenexCrenshaw']
+
+DEPENDENCIES = ['spi']
+MULTI_CONF = True
+
+CONF_DEVICEADDRESS = "deviceaddress"
+
+mcp23S17_ns = cg.esphome_ns.namespace('mcp23s17')
+mcp23S17GPIOMode = mcp23S17_ns.enum('MCP23S17GPIOMode')
+mcp23S17_GPIO_MODES = {
+    'INPUT': mcp23S17GPIOMode.MCP23S17_INPUT,
+    'INPUT_PULLUP': mcp23S17GPIOMode.MCP23S17_INPUT_PULLUP,
+    'OUTPUT': mcp23S17GPIOMode.MCP23S17_OUTPUT,
+}
+
+mcp23S17 = mcp23S17_ns.class_('MCP23S17', cg.Component, spi.SPIDevice)
+mcp23S17GPIOPin = mcp23S17_ns.class_('MCP23S17GPIOPin', cg.GPIOPin)
+
+CONFIG_SCHEMA = cv.Schema({
+    cv.Required(CONF_ID): cv.declare_id(mcp23S17),
+    cv.Optional(CONF_DEVICEADDRESS, default=0): cv.uint8_t,
+}).extend(cv.COMPONENT_SCHEMA).extend(spi.spi_device_schema())
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    cg.add(var.set_device_address(config[CONF_DEVICEADDRESS]))
+    yield cg.register_component(var, config)
+    yield spi.register_spi_device(var, config)
+
+
+CONF_MCP23S17 = 'mcp23s17'
+
+mcp23S17_OUTPUT_PIN_SCHEMA = cv.Schema({
+    cv.GenerateID(CONF_MCP23S17): cv.use_id(mcp23S17),
+    cv.Required(CONF_NUMBER): cv.int_,
+    cv.Optional(CONF_MODE, default="OUTPUT"): cv.enum(mcp23S17_GPIO_MODES, upper=True),
+    cv.Optional(CONF_INVERTED, default=False): cv.boolean,
+})
+mcp23S17_INPUT_PIN_SCHEMA = cv.Schema({
+    cv.Required(CONF_MCP23S17): cv.use_id(mcp23S17),
+    cv.Required(CONF_NUMBER): cv.int_range(0, 15),
+    cv.Optional(CONF_MODE, default="INPUT"): cv.enum(mcp23S17_GPIO_MODES, upper=True),
+    cv.Optional(CONF_INVERTED, default=False): cv.boolean,
+})
+
+
+@pins.PIN_SCHEMA_REGISTRY.register(CONF_MCP23S17,
+                                   (mcp23S17_OUTPUT_PIN_SCHEMA, mcp23S17_INPUT_PIN_SCHEMA))
+def mcp23S17_pin_to_code(config):
+    parent = yield cg.get_variable(config[CONF_MCP23S17])
+    yield mcp23S17GPIOPin.new(parent, config[CONF_NUMBER], config[CONF_MODE], config[CONF_INVERTED])

esphome/components/mcp23s17/mcp23s17.cpp

@@ -0,0 +1,126 @@
+#include "mcp23s17.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace mcp23s17 {
+
+static const char *TAG = "mcp23s17";
+
+void MCP23S17::set_device_address(uint8_t device_addr) {
+  if (device_addr != 0) {
+    this->device_opcode_ |= ((device_addr & 0b111) << 1);
+  }
+}
+
+void MCP23S17::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up MCP23S17...");
+  this->spi_setup();
+
+  this->enable();
+  uint8_t cmd = 0b01000000;
+  this->transfer_byte(cmd);
+  this->transfer_byte(0x18);
+  this->transfer_byte(0x0A);
+  this->transfer_byte(this->device_opcode_);
+  this->transfer_byte(0);
+  this->transfer_byte(0xFF);
+  this->transfer_byte(0xFF);
+
+  for (uint8_t i = 0; i < 20; i++) {
+    this->transfer_byte(0);
+  }
+  this->disable();
+}
+
+void MCP23S17::dump_config() {
+  ESP_LOGCONFIG(TAG, "MCP23S17:");
+  LOG_PIN("  CS Pin: ", this->cs_);
+}
+
+float MCP23S17::get_setup_priority() const { return setup_priority::HARDWARE; }
+
+bool MCP23S17::digital_read(uint8_t pin) {
+  uint8_t bit = pin % 8;
+  uint8_t reg_addr = pin < 8 ? MCP23S17_GPIOA : MCP23S17_GPIOB;
+  uint8_t value = 0;
+  this->read_reg(reg_addr, &value);
+  return value & (1 << bit);
+}
+
+void MCP23S17::digital_write(uint8_t pin, bool value) {
+  uint8_t reg_addr = pin < 8 ? MCP23S17_OLATA : MCP23S17_OLATB;
+  this->update_reg(pin, value, reg_addr);
+}
+
+void MCP23S17::pin_mode(uint8_t pin, uint8_t mode) {
+  uint8_t iodir = pin < 8 ? MCP23S17_IODIRA : MCP23S17_IODIRB;
+  uint8_t gppu = pin < 8 ? MCP23S17_GPPUA : MCP23S17_GPPUB;
+  switch (mode) {
+    case MCP23S17_INPUT:
+      this->update_reg(pin, true, iodir);
+      break;
+    case MCP23S17_INPUT_PULLUP:
+      this->update_reg(pin, true, iodir);
+      this->update_reg(pin, true, gppu);
+      break;
+    case MCP23S17_OUTPUT:
+      this->update_reg(pin, false, iodir);
+      break;
+    default:
+      break;
+  }
+}
+
+void MCP23S17::update_reg(uint8_t pin, bool pin_value, uint8_t reg_addr) {
+  uint8_t bit = pin % 8;
+  uint8_t reg_value = 0;
+  if (reg_addr == MCP23S17_OLATA) {
+    reg_value = this->olat_a_;
+  } else if (reg_addr == MCP23S17_OLATB) {
+    reg_value = this->olat_b_;
+  } else {
+    this->read_reg(reg_addr, &reg_value);
+  }
+
+  if (pin_value)
+    reg_value |= 1 << bit;
+  else
+    reg_value &= ~(1 << bit);
+
+  this->write_reg(reg_addr, reg_value);
+
+  if (reg_addr == MCP23S17_OLATA) {
+    this->olat_a_ = reg_value;
+  } else if (reg_addr == MCP23S17_OLATB) {
+    this->olat_b_ = reg_value;
+  }
+}
+
+bool MCP23S17::read_reg(uint8_t reg, uint8_t *value) {
+  this->enable();
+  this->transfer_byte(this->device_opcode_ | 1);
+  this->transfer_byte(reg);
+  *value = this->transfer_byte(0xFF);
+  this->disable();
+  return true;
+}
+
+bool MCP23S17::write_reg(uint8_t reg, uint8_t value) {
+  this->enable();
+  this->transfer_byte(this->device_opcode_);
+  this->transfer_byte(reg);
+  this->transfer_byte(value);
+
+  this->disable();
+  return true;
+}
+
+MCP23S17GPIOPin::MCP23S17GPIOPin(MCP23S17 *parent, uint8_t pin, uint8_t mode, bool inverted)
+    : GPIOPin(pin, mode, inverted), parent_(parent) {}
+void MCP23S17GPIOPin::setup() { this->pin_mode(this->mode_); }
+void MCP23S17GPIOPin::pin_mode(uint8_t mode) { this->parent_->pin_mode(this->pin_, mode); }
+bool MCP23S17GPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
+void MCP23S17GPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
+
+}  // namespace mcp23s17
+}  // namespace esphome

esphome/components/mcp23s17/mcp23s17.h

@@ -0,0 +1,87 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/esphal.h"
+#include "esphome/components/spi/spi.h"
+
+namespace esphome {
+namespace mcp23s17 {
+
+/// Modes for MCP23S17 pins
+enum MCP23S17GPIOMode : uint8_t {
+  MCP23S17_INPUT = INPUT,                // 0x00
+  MCP23S17_INPUT_PULLUP = INPUT_PULLUP,  // 0x02
+  MCP23S17_OUTPUT = OUTPUT               // 0x01
+};
+
+enum MCP23S17GPIORegisters {
+  // A side
+  MCP23S17_IODIRA = 0x00,
+  MCP23S17_IPOLA = 0x02,
+  MCP23S17_GPINTENA = 0x04,
+  MCP23S17_DEFVALA = 0x06,
+  MCP23S17_INTCONA = 0x08,
+  MCP23S17_IOCONA = 0x0A,
+  MCP23S17_GPPUA = 0x0C,
+  MCP23S17_INTFA = 0x0E,
+  MCP23S17_INTCAPA = 0x10,
+  MCP23S17_GPIOA = 0x12,
+  MCP23S17_OLATA = 0x14,
+  // B side
+  MCP23S17_IODIRB = 0x01,
+  MCP23S17_IPOLB = 0x03,
+  MCP23S17_GPINTENB = 0x05,
+  MCP23S17_DEFVALB = 0x07,
+  MCP23S17_INTCONB = 0x09,
+  MCP23S17_IOCONB = 0x0B,
+  MCP23S17_GPPUB = 0x0D,
+  MCP23S17_INTFB = 0x0F,
+  MCP23S17_INTCAPB = 0x11,
+  MCP23S17_GPIOB = 0x13,
+  MCP23S17_OLATB = 0x15,
+};
+
+class MCP23S17 : public Component,
+                 public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW, spi::CLOCK_PHASE_LEADING,
+                                       spi::DATA_RATE_8MHZ> {
+ public:
+  MCP23S17() = default;
+
+  void setup() override;
+  void dump_config() override;
+  void set_device_address(uint8_t device_addr);
+
+  bool digital_read(uint8_t pin);
+  void digital_write(uint8_t pin, bool value);
+  void pin_mode(uint8_t pin, uint8_t mode);
+
+  float get_setup_priority() const override;
+
+  // read a given register
+  bool read_reg(uint8_t reg, uint8_t *value);
+  // write a value to a given register
+  bool write_reg(uint8_t reg, uint8_t value);
+  // update registers with given pin value.
+  void update_reg(uint8_t pin, bool pin_value, uint8_t reg_a);
+
+ protected:
+  uint8_t device_opcode_ = 0x40;
+  uint8_t olat_a_{0x00};
+  uint8_t olat_b_{0x00};
+};
+
+class MCP23S17GPIOPin : public GPIOPin {
+ public:
+  MCP23S17GPIOPin(MCP23S17 *parent, uint8_t pin, uint8_t mode, bool inverted = false);
+
+  void setup() override;
+  void pin_mode(uint8_t mode) override;
+  bool digital_read() override;
+  void digital_write(bool value) override;
+
+ protected:
+  MCP23S17 *parent_;
+};
+
+}  // namespace mcp23s17
+}  // namespace esphome

esphome/components/mcp2515/canbus.py

@@ -0,0 +1,47 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import spi, canbus
+from esphome.const import CONF_ID, CONF_MODE
+from esphome.components.canbus import CanbusComponent
+
+CODEOWNERS = ['@mvturnho', '@danielschramm']
+DEPENDENCIES = ['spi']
+
+CONF_CLOCK = 'clock'
+
+mcp2515_ns = cg.esphome_ns.namespace('mcp2515')
+mcp2515 = mcp2515_ns.class_('MCP2515', CanbusComponent, spi.SPIDevice)
+CanClock = mcp2515_ns.enum('CAN_CLOCK')
+McpMode = mcp2515_ns.enum('CANCTRL_REQOP_MODE')
+
+CAN_CLOCK = {
+    '8MHZ': CanClock.MCP_8MHZ,
+    '16MHZ': CanClock.MCP_16MHZ,
+    '20MHZ': CanClock.MCP_20MHZ,
+}
+
+MCP_MODE = {
+    'NORMAL': McpMode.CANCTRL_REQOP_NORMAL,
+    'LOOPBACK': McpMode.CANCTRL_REQOP_LOOPBACK,
+    'LISTENONLY': McpMode.CANCTRL_REQOP_LISTENONLY,
+}
+
+CONFIG_SCHEMA = canbus.CONFIG_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_id(mcp2515),
+    cv.Optional(CONF_CLOCK, default='8MHZ'): cv.enum(CAN_CLOCK, upper=True),
+    cv.Optional(CONF_MODE, default='NORMAL'): cv.enum(MCP_MODE, upper=True),
+}).extend(spi.spi_device_schema(True))
+
+
+def to_code(config):
+    rhs = mcp2515.new()
+    var = cg.Pvariable(config[CONF_ID], rhs)
+    yield canbus.register_canbus(var, config)
+    if CONF_CLOCK in config:
+        canclock = CAN_CLOCK[config[CONF_CLOCK]]
+        cg.add(var.set_mcp_clock(canclock))
+    if CONF_MODE in config:
+        mode = MCP_MODE[config[CONF_MODE]]
+        cg.add(var.set_mcp_mode(mode))
+
+    yield spi.register_spi_device(var, config)

esphome/components/mcp2515/mcp2515.cpp

@@ -0,0 +1,612 @@
+#include "mcp2515.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace mcp2515 {
+
+static const char *TAG = "mcp2515";
+
+const struct MCP2515::TxBnRegs MCP2515::TXB[N_TXBUFFERS] = {{MCP_TXB0CTRL, MCP_TXB0SIDH, MCP_TXB0DATA},
+                                                            {MCP_TXB1CTRL, MCP_TXB1SIDH, MCP_TXB1DATA},
+                                                            {MCP_TXB2CTRL, MCP_TXB2SIDH, MCP_TXB2DATA}};
+
+const struct MCP2515::RxBnRegs MCP2515::RXB[N_RXBUFFERS] = {{MCP_RXB0CTRL, MCP_RXB0SIDH, MCP_RXB0DATA, CANINTF_RX0IF},
+                                                            {MCP_RXB1CTRL, MCP_RXB1SIDH, MCP_RXB1DATA, CANINTF_RX1IF}};
+
+bool MCP2515::setup_internal() {
+  this->spi_setup();
+
+  if (this->reset_() == canbus::ERROR_FAIL)
+    return false;
+  this->set_bitrate_(this->bit_rate_, this->mcp_clock_);
+  this->set_mode_(this->mcp_mode_);
+  ESP_LOGV(TAG, "setup done");
+  return true;
+}
+
+canbus::Error MCP2515::reset_() {
+  this->enable();
+  this->transfer_byte(INSTRUCTION_RESET);
+  this->disable();
+  ESP_LOGV(TAG, "reset_()");
+  delay(10);
+
+  ESP_LOGV(TAG, "reset() CLEAR ALL TXB registers");
+
+  uint8_t zeros[14];
+  memset(zeros, 0, sizeof(zeros));
+  set_registers_(MCP_TXB0CTRL, zeros, 14);
+  set_registers_(MCP_TXB1CTRL, zeros, 14);
+  set_registers_(MCP_TXB2CTRL, zeros, 14);
+  ESP_LOGD(TAG, "reset() CLEARED TXB registers");
+
+  set_register_(MCP_RXB0CTRL, 0);
+  set_register_(MCP_RXB1CTRL, 0);
+
+  set_register_(MCP_CANINTE, CANINTF_RX0IF | CANINTF_RX1IF | CANINTF_ERRIF | CANINTF_MERRF);
+
+  modify_register_(MCP_RXB0CTRL, RXB_CTRL_RXM_MASK | RXB_0_CTRL_BUKT, RXB_CTRL_RXM_STDEXT | RXB_0_CTRL_BUKT);
+  modify_register_(MCP_RXB1CTRL, RXB_CTRL_RXM_MASK, RXB_CTRL_RXM_STDEXT);
+
+  return canbus::ERROR_OK;
+}
+
+uint8_t MCP2515::read_register_(const REGISTER reg) {
+  this->enable();
+  this->transfer_byte(INSTRUCTION_READ);
+  this->transfer_byte(reg);
+  uint8_t ret = this->transfer_byte(0x00);
+  this->disable();
+
+  return ret;
+}
+
+void MCP2515::read_registers_(const REGISTER reg, uint8_t values[], const uint8_t n) {
+  this->enable();
+  this->transfer_byte(INSTRUCTION_READ);
+  this->transfer_byte(reg);
+  // this->transfer_array(values, n);
+  // mcp2515 has auto - increment of address - pointer
+  for (uint8_t i = 0; i < n; i++) {
+    values[i] = this->transfer_byte(0x00);
+  }
+  this->disable();
+}
+
+void MCP2515::set_register_(const REGISTER reg, const uint8_t value) {
+  this->enable();
+  this->transfer_byte(INSTRUCTION_WRITE);
+  this->transfer_byte(reg);
+  this->transfer_byte(value);
+  this->disable();
+}
+
+void MCP2515::set_registers_(const REGISTER reg, uint8_t values[], const uint8_t n) {
+  this->enable();
+  this->transfer_byte(INSTRUCTION_WRITE);
+  this->transfer_byte(reg);
+  // this->transfer_array(values, n);
+  for (uint8_t i = 0; i < n; i++) {
+    this->transfer_byte(values[i]);
+  }
+  this->disable();
+}
+
+void MCP2515::modify_register_(const REGISTER reg, const uint8_t mask, const uint8_t data) {
+  this->enable();
+  this->transfer_byte(INSTRUCTION_BITMOD);
+  this->transfer_byte(reg);
+  this->transfer_byte(mask);
+  this->transfer_byte(data);
+  this->disable();
+}
+
+uint8_t MCP2515::get_status_() {
+  this->enable();
+  this->transfer_byte(INSTRUCTION_READ_STATUS);
+  uint8_t i = this->transfer_byte(0x00);
+  this->disable();
+
+  return i;
+}
+
+canbus::Error MCP2515::set_mode_(const CanctrlReqopMode mode) {
+  modify_register_(MCP_CANCTRL, CANCTRL_REQOP, mode);
+
+  unsigned long end_time = millis() + 10;
+  bool mode_match = false;
+  while (millis() < end_time) {
+    uint8_t new_mode = read_register_(MCP_CANSTAT);
+    new_mode &= CANSTAT_OPMOD;
+    mode_match = new_mode == mode;
+    if (mode_match) {
+      break;
+    }
+  }
+  return mode_match ? canbus::ERROR_OK : canbus::ERROR_FAIL;
+}
+
+canbus::Error MCP2515::set_clk_out_(const CanClkOut divisor) {
+  canbus::Error res;
+  uint8_t cfg3;
+
+  if (divisor == CLKOUT_DISABLE) {
+    /* Turn off CLKEN */
+    modify_register_(MCP_CANCTRL, CANCTRL_CLKEN, 0x00);
+
+    /* Turn on CLKOUT for SOF */
+    modify_register_(MCP_CNF3, CNF3_SOF, CNF3_SOF);
+    return canbus::ERROR_OK;
+  }
+
+  /* Set the prescaler (CLKPRE) */
+  modify_register_(MCP_CANCTRL, CANCTRL_CLKPRE, divisor);
+
+  /* Turn on CLKEN */
+  modify_register_(MCP_CANCTRL, CANCTRL_CLKEN, CANCTRL_CLKEN);
+
+  /* Turn off CLKOUT for SOF */
+  modify_register_(MCP_CNF3, CNF3_SOF, 0x00);
+  return canbus::ERROR_OK;
+}
+
+void MCP2515::prepare_id_(uint8_t *buffer, const bool extended, const uint32_t id) {
+  uint16_t canid = (uint16_t)(id & 0x0FFFF);
+
+  if (extended) {
+    buffer[MCP_EID0] = (uint8_t)(canid & 0xFF);
+    buffer[MCP_EID8] = (uint8_t)(canid >> 8);
+    canid = (uint16_t)(id >> 16);
+    buffer[MCP_SIDL] = (uint8_t)(canid & 0x03);
+    buffer[MCP_SIDL] += (uint8_t)((canid & 0x1C) << 3);
+    buffer[MCP_SIDL] |= TXB_EXIDE_MASK;
+    buffer[MCP_SIDH] = (uint8_t)(canid >> 5);
+  } else {
+    buffer[MCP_SIDH] = (uint8_t)(canid >> 3);
+    buffer[MCP_SIDL] = (uint8_t)((canid & 0x07) << 5);
+    buffer[MCP_EID0] = 0;
+    buffer[MCP_EID8] = 0;
+  }
+}
+
+canbus::Error MCP2515::set_filter_mask_(const MASK mask, const bool extended, const uint32_t ul_data) {
+  canbus::Error res = set_mode_(CANCTRL_REQOP_CONFIG);
+  if (res != canbus::ERROR_OK) {
+    return res;
+  }
+
+  uint8_t tbufdata[4];
+  prepare_id_(tbufdata, extended, ul_data);
+
+  REGISTER reg;
+  switch (mask) {
+    case MASK0:
+      reg = MCP_RXM0SIDH;
+      break;
+    case MASK1:
+      reg = MCP_RXM1SIDH;
+      break;
+    default:
+      return canbus::ERROR_FAIL;
+  }
+
+  set_registers_(reg, tbufdata, 4);
+
+  return canbus::ERROR_OK;
+}
+
+canbus::Error MCP2515::set_filter_(const RXF num, const bool extended, const uint32_t ul_data) {
+  canbus::Error res = set_mode_(CANCTRL_REQOP_CONFIG);
+  if (res != canbus::ERROR_OK) {
+    return res;
+  }
+
+  REGISTER reg;
+
+  switch (num) {
+    case RXF0:
+      reg = MCP_RXF0SIDH;
+      break;
+    case RXF1:
+      reg = MCP_RXF1SIDH;
+      break;
+    case RXF2:
+      reg = MCP_RXF2SIDH;
+      break;
+    case RXF3:
+      reg = MCP_RXF3SIDH;
+      break;
+    case RXF4:
+      reg = MCP_RXF4SIDH;
+      break;
+    case RXF5:
+      reg = MCP_RXF5SIDH;
+      break;
+    default:
+      return canbus::ERROR_FAIL;
+  }
+
+  uint8_t tbufdata[4];
+  prepare_id_(tbufdata, extended, ul_data);
+  set_registers_(reg, tbufdata, 4);
+
+  return canbus::ERROR_OK;
+}
+
+canbus::Error MCP2515::send_message_(TXBn txbn, struct canbus::CanFrame *frame) {
+  const struct TxBnRegs *txbuf = &TXB[txbn];
+
+  uint8_t data[13];
+
+  prepare_id_(data, frame->use_extended_id, frame->can_id);
+  data[MCP_DLC] =
+      frame->remote_transmission_request ? (frame->can_data_length_code | RTR_MASK) : frame->can_data_length_code;
+  memcpy(&data[MCP_DATA], frame->data, frame->can_data_length_code);
+  set_registers_(txbuf->SIDH, data, 5 + frame->can_data_length_code);
+  modify_register_(txbuf->CTRL, TXB_TXREQ, TXB_TXREQ);
+
+  return canbus::ERROR_OK;
+}
+
+canbus::Error MCP2515::send_message(struct canbus::CanFrame *frame) {
+  if (frame->can_data_length_code > canbus::CAN_MAX_DATA_LENGTH) {
+    return canbus::ERROR_FAILTX;
+  }
+  TXBn tx_buffers[N_TXBUFFERS] = {TXB0, TXB1, TXB2};
+
+  for (auto &tx_buffer : tx_buffers) {
+    const struct TxBnRegs *txbuf = &TXB[tx_buffer];
+    uint8_t ctrlval = read_register_(txbuf->CTRL);
+    if ((ctrlval & TXB_TXREQ) == 0) {
+      return send_message_(tx_buffer, frame);
+    }
+  }
+
+  return canbus::ERROR_FAILTX;
+}
+
+canbus::Error MCP2515::read_message_(RXBn rxbn, struct canbus::CanFrame *frame) {
+  const struct RxBnRegs *rxb = &RXB[rxbn];
+
+  uint8_t tbufdata[5];
+
+  read_registers_(rxb->SIDH, tbufdata, 5);
+
+  uint32_t id = (tbufdata[MCP_SIDH] << 3) + (tbufdata[MCP_SIDL] >> 5);
+  bool use_extended_id = false;
+  bool remote_transmission_request = false;
+
+  if ((tbufdata[MCP_SIDL] & TXB_EXIDE_MASK) == TXB_EXIDE_MASK) {
+    id = (id << 2) + (tbufdata[MCP_SIDL] & 0x03);
+    id = (id << 8) + tbufdata[MCP_EID8];
+    id = (id << 8) + tbufdata[MCP_EID0];
+    // id |= canbus::CAN_EFF_FLAG;
+    use_extended_id = true;
+  }
+
+  uint8_t dlc = (tbufdata[MCP_DLC] & DLC_MASK);
+  if (dlc > canbus::CAN_MAX_DATA_LENGTH) {
+    return canbus::ERROR_FAIL;
+  }
+
+  uint8_t ctrl = read_register_(rxb->CTRL);
+  if (ctrl & RXB_CTRL_RTR) {
+    // id |= canbus::CAN_RTR_FLAG;
+    remote_transmission_request = true;
+  }
+
+  frame->can_id = id;
+  frame->can_data_length_code = dlc;
+  frame->use_extended_id = use_extended_id;
+  frame->remote_transmission_request = remote_transmission_request;
+
+  read_registers_(rxb->DATA, frame->data, dlc);
+
+  modify_register_(MCP_CANINTF, rxb->CANINTF_RXnIF, 0);
+
+  return canbus::ERROR_OK;
+}
+
+canbus::Error MCP2515::read_message(struct canbus::CanFrame *frame) {
+  canbus::Error rc;
+  uint8_t stat = get_status_();
+
+  if (stat & STAT_RX0IF) {
+    rc = read_message_(RXB0, frame);
+  } else if (stat & STAT_RX1IF) {
+    rc = read_message_(RXB1, frame);
+  } else {
+    rc = canbus::ERROR_NOMSG;
+  }
+
+  return rc;
+}
+
+bool MCP2515::check_receive_() {
+  uint8_t res = get_status_();
+  return (res & STAT_RXIF_MASK) != 0;
+}
+
+bool MCP2515::check_error_() {
+  uint8_t eflg = get_error_flags_();
+  return (eflg & EFLG_ERRORMASK) != 0;
+}
+
+uint8_t MCP2515::get_error_flags_() { return read_register_(MCP_EFLG); }
+
+void MCP2515::clear_rx_n_ovr_flags_() { modify_register_(MCP_EFLG, EFLG_RX0OVR | EFLG_RX1OVR, 0); }
+
+uint8_t MCP2515::get_int_() { return read_register_(MCP_CANINTF); }
+
+void MCP2515::clear_int_() { set_register_(MCP_CANINTF, 0); }
+
+uint8_t MCP2515::get_int_mask_() { return read_register_(MCP_CANINTE); }
+
+void MCP2515::clear_tx_int_() { modify_register_(MCP_CANINTF, (CANINTF_TX0IF | CANINTF_TX1IF | CANINTF_TX2IF), 0); }
+
+void MCP2515::clear_rx_n_ovr_() {
+  uint8_t eflg = get_error_flags_();
+  if (eflg != 0) {
+    clear_rx_n_ovr_flags_();
+    clear_int_();
+    // modify_register_(MCP_CANINTF, CANINTF_ERRIF, 0);
+  }
+}
+
+void MCP2515::clear_merr_() {
+  // modify_register_(MCP_EFLG, EFLG_RX0OVR | EFLG_RX1OVR, 0);
+  // clear_int_();
+  modify_register_(MCP_CANINTF, CANINTF_MERRF, 0);
+}
+
+void MCP2515::clear_errif_() {
+  // modify_register_(MCP_EFLG, EFLG_RX0OVR | EFLG_RX1OVR, 0);
+  // clear_int_();
+  modify_register_(MCP_CANINTF, CANINTF_ERRIF, 0);
+}
+
+canbus::Error MCP2515::set_bitrate_(canbus::CanSpeed can_speed) { return this->set_bitrate_(can_speed, MCP_16MHZ); }
+
+canbus::Error MCP2515::set_bitrate_(canbus::CanSpeed can_speed, CanClock can_clock) {
+  canbus::Error error = set_mode_(CANCTRL_REQOP_CONFIG);
+  if (error != canbus::ERROR_OK) {
+    return error;
+  }
+
+  uint8_t set, cfg1, cfg2, cfg3;
+  set = 1;
+  switch (can_clock) {
+    case (MCP_8MHZ):
+      switch (can_speed) {
+        case (canbus::CAN_5KBPS):  //   5KBPS
+          cfg1 = MCP_8MHZ_5KBPS_CFG1;
+          cfg2 = MCP_8MHZ_5KBPS_CFG2;
+          cfg3 = MCP_8MHZ_5KBPS_CFG3;
+          break;
+        case (canbus::CAN_10KBPS):  //  10KBPS
+          cfg1 = MCP_8MHZ_10KBPS_CFG1;
+          cfg2 = MCP_8MHZ_10KBPS_CFG2;
+          cfg3 = MCP_8MHZ_10KBPS_CFG3;
+          break;
+        case (canbus::CAN_20KBPS):  //  20KBPS
+          cfg1 = MCP_8MHZ_20KBPS_CFG1;
+          cfg2 = MCP_8MHZ_20KBPS_CFG2;
+          cfg3 = MCP_8MHZ_20KBPS_CFG3;
+          break;
+        case (canbus::CAN_31K25BPS):  //  31.25KBPS
+          cfg1 = MCP_8MHZ_31K25BPS_CFG1;
+          cfg2 = MCP_8MHZ_31K25BPS_CFG2;
+          cfg3 = MCP_8MHZ_31K25BPS_CFG3;
+          break;
+        case (canbus::CAN_33KBPS):  //  33.333KBPS
+          cfg1 = MCP_8MHZ_33K3BPS_CFG1;
+          cfg2 = MCP_8MHZ_33K3BPS_CFG2;
+          cfg3 = MCP_8MHZ_33K3BPS_CFG3;
+          break;
+        case (canbus::CAN_40KBPS):  //  40Kbps
+          cfg1 = MCP_8MHZ_40KBPS_CFG1;
+          cfg2 = MCP_8MHZ_40KBPS_CFG2;
+          cfg3 = MCP_8MHZ_40KBPS_CFG3;
+          break;
+        case (canbus::CAN_50KBPS):  //  50Kbps
+          cfg1 = MCP_8MHZ_50KBPS_CFG1;
+          cfg2 = MCP_8MHZ_50KBPS_CFG2;
+          cfg3 = MCP_8MHZ_50KBPS_CFG3;
+          break;
+        case (canbus::CAN_80KBPS):  //  80Kbps
+          cfg1 = MCP_8MHZ_80KBPS_CFG1;
+          cfg2 = MCP_8MHZ_80KBPS_CFG2;
+          cfg3 = MCP_8MHZ_80KBPS_CFG3;
+          break;
+        case (canbus::CAN_100KBPS):  // 100Kbps
+          cfg1 = MCP_8MHZ_100KBPS_CFG1;
+          cfg2 = MCP_8MHZ_100KBPS_CFG2;
+          cfg3 = MCP_8MHZ_100KBPS_CFG3;
+          break;
+        case (canbus::CAN_125KBPS):  // 125Kbps
+          cfg1 = MCP_8MHZ_125KBPS_CFG1;
+          cfg2 = MCP_8MHZ_125KBPS_CFG2;
+          cfg3 = MCP_8MHZ_125KBPS_CFG3;
+          break;
+        case (canbus::CAN_200KBPS):  // 200Kbps
+          cfg1 = MCP_8MHZ_200KBPS_CFG1;
+          cfg2 = MCP_8MHZ_200KBPS_CFG2;
+          cfg3 = MCP_8MHZ_200KBPS_CFG3;
+          break;
+        case (canbus::CAN_250KBPS):  // 250Kbps
+          cfg1 = MCP_8MHZ_250KBPS_CFG1;
+          cfg2 = MCP_8MHZ_250KBPS_CFG2;
+          cfg3 = MCP_8MHZ_250KBPS_CFG3;
+          break;
+        case (canbus::CAN_500KBPS):  // 500Kbps
+          cfg1 = MCP_8MHZ_500KBPS_CFG1;
+          cfg2 = MCP_8MHZ_500KBPS_CFG2;
+          cfg3 = MCP_8MHZ_500KBPS_CFG3;
+          break;
+        case (canbus::CAN_1000KBPS):  //   1Mbps
+          cfg1 = MCP_8MHZ_1000KBPS_CFG1;
+          cfg2 = MCP_8MHZ_1000KBPS_CFG2;
+          cfg3 = MCP_8MHZ_1000KBPS_CFG3;
+          break;
+        default:
+          set = 0;
+          break;
+      }
+      break;
+
+    case (MCP_16MHZ):
+      switch (can_speed) {
+        case (canbus::CAN_5KBPS):  //   5Kbps
+          cfg1 = MCP_16MHZ_5KBPS_CFG1;
+          cfg2 = MCP_16MHZ_5KBPS_CFG2;
+          cfg3 = MCP_16MHZ_5KBPS_CFG3;
+          break;
+        case (canbus::CAN_10KBPS):  //  10Kbps
+          cfg1 = MCP_16MHZ_10KBPS_CFG1;
+          cfg2 = MCP_16MHZ_10KBPS_CFG2;
+          cfg3 = MCP_16MHZ_10KBPS_CFG3;
+          break;
+        case (canbus::CAN_20KBPS):  //  20Kbps
+          cfg1 = MCP_16MHZ_20KBPS_CFG1;
+          cfg2 = MCP_16MHZ_20KBPS_CFG2;
+          cfg3 = MCP_16MHZ_20KBPS_CFG3;
+          break;
+        case (canbus::CAN_33KBPS):  //  33.333Kbps
+          cfg1 = MCP_16MHZ_33K3BPS_CFG1;
+          cfg2 = MCP_16MHZ_33K3BPS_CFG2;
+          cfg3 = MCP_16MHZ_33K3BPS_CFG3;
+          break;
+        case (canbus::CAN_40KBPS):  //  40Kbps
+          cfg1 = MCP_16MHZ_40KBPS_CFG1;
+          cfg2 = MCP_16MHZ_40KBPS_CFG2;
+          cfg3 = MCP_16MHZ_40KBPS_CFG3;
+          break;
+        case (canbus::CAN_50KBPS):  //  50Kbps
+          cfg2 = MCP_16MHZ_50KBPS_CFG2;
+          cfg3 = MCP_16MHZ_50KBPS_CFG3;
+          break;
+        case (canbus::CAN_80KBPS):  //  80Kbps
+          cfg1 = MCP_16MHZ_80KBPS_CFG1;
+          cfg2 = MCP_16MHZ_80KBPS_CFG2;
+          cfg3 = MCP_16MHZ_80KBPS_CFG3;
+          break;
+        case (canbus::CAN_83K3BPS):  //  83.333Kbps
+          cfg1 = MCP_16MHZ_83K3BPS_CFG1;
+          cfg2 = MCP_16MHZ_83K3BPS_CFG2;
+          cfg3 = MCP_16MHZ_83K3BPS_CFG3;
+          break;
+        case (canbus::CAN_100KBPS):  // 100Kbps
+          cfg1 = MCP_16MHZ_100KBPS_CFG1;
+          cfg2 = MCP_16MHZ_100KBPS_CFG2;
+          cfg3 = MCP_16MHZ_100KBPS_CFG3;
+          break;
+        case (canbus::CAN_125KBPS):  // 125Kbps
+          cfg1 = MCP_16MHZ_125KBPS_CFG1;
+          cfg2 = MCP_16MHZ_125KBPS_CFG2;
+          cfg3 = MCP_16MHZ_125KBPS_CFG3;
+          break;
+        case (canbus::CAN_200KBPS):  // 200Kbps
+          cfg1 = MCP_16MHZ_200KBPS_CFG1;
+          cfg2 = MCP_16MHZ_200KBPS_CFG2;
+          cfg3 = MCP_16MHZ_200KBPS_CFG3;
+          break;
+        case (canbus::CAN_250KBPS):  // 250Kbps
+          cfg1 = MCP_16MHZ_250KBPS_CFG1;
+          cfg2 = MCP_16MHZ_250KBPS_CFG2;
+          cfg3 = MCP_16MHZ_250KBPS_CFG3;
+          break;
+        case (canbus::CAN_500KBPS):  // 500Kbps
+          cfg1 = MCP_16MHZ_500KBPS_CFG1;
+          cfg2 = MCP_16MHZ_500KBPS_CFG2;
+          cfg3 = MCP_16MHZ_500KBPS_CFG3;
+          break;
+        case (canbus::CAN_1000KBPS):  //   1Mbps
+          cfg1 = MCP_16MHZ_1000KBPS_CFG1;
+          cfg2 = MCP_16MHZ_1000KBPS_CFG2;
+          cfg3 = MCP_16MHZ_1000KBPS_CFG3;
+          break;
+        default:
+          set = 0;
+          break;
+      }
+      break;
+
+    case (MCP_20MHZ):
+      switch (can_speed) {
+        case (canbus::CAN_33KBPS):  //  33.333Kbps
+          cfg1 = MCP_20MHZ_33K3BPS_CFG1;
+          cfg2 = MCP_20MHZ_33K3BPS_CFG2;
+          cfg3 = MCP_20MHZ_33K3BPS_CFG3;
+          break;
+        case (canbus::CAN_40KBPS):  //  40Kbps
+          cfg1 = MCP_20MHZ_40KBPS_CFG1;
+          cfg2 = MCP_20MHZ_40KBPS_CFG2;
+          cfg3 = MCP_20MHZ_40KBPS_CFG3;
+          break;
+        case (canbus::CAN_50KBPS):  //  50Kbps
+          cfg1 = MCP_20MHZ_50KBPS_CFG1;
+          cfg2 = MCP_20MHZ_50KBPS_CFG2;
+          cfg3 = MCP_20MHZ_50KBPS_CFG3;
+          break;
+        case (canbus::CAN_80KBPS):  //  80Kbps
+          cfg1 = MCP_20MHZ_80KBPS_CFG1;
+          cfg2 = MCP_20MHZ_80KBPS_CFG2;
+          cfg3 = MCP_20MHZ_80KBPS_CFG3;
+          break;
+        case (canbus::CAN_83K3BPS):  //  83.333Kbps
+          cfg1 = MCP_20MHZ_83K3BPS_CFG1;
+          cfg2 = MCP_20MHZ_83K3BPS_CFG2;
+          cfg3 = MCP_20MHZ_83K3BPS_CFG3;
+          break;
+        case (canbus::CAN_100KBPS):  // 100Kbps
+          cfg1 = MCP_20MHZ_100KBPS_CFG1;
+          cfg2 = MCP_20MHZ_100KBPS_CFG2;
+          cfg3 = MCP_20MHZ_100KBPS_CFG3;
+          break;
+        case (canbus::CAN_125KBPS):  // 125Kbps
+          cfg1 = MCP_20MHZ_125KBPS_CFG1;
+          cfg2 = MCP_20MHZ_125KBPS_CFG2;
+          cfg3 = MCP_20MHZ_125KBPS_CFG3;
+          break;
+        case (canbus::CAN_200KBPS):  // 200Kbps
+          cfg1 = MCP_20MHZ_200KBPS_CFG1;
+          cfg2 = MCP_20MHZ_200KBPS_CFG2;
+          cfg3 = MCP_20MHZ_200KBPS_CFG3;
+          break;
+        case (canbus::CAN_250KBPS):  // 250Kbps
+          cfg1 = MCP_20MHZ_250KBPS_CFG1;
+          cfg2 = MCP_20MHZ_250KBPS_CFG2;
+          cfg3 = MCP_20MHZ_250KBPS_CFG3;
+          break;
+        case (canbus::CAN_500KBPS):  // 500Kbps
+          cfg1 = MCP_20MHZ_500KBPS_CFG1;
+          cfg2 = MCP_20MHZ_500KBPS_CFG2;
+          cfg3 = MCP_20MHZ_500KBPS_CFG3;
+          break;
+        case (canbus::CAN_1000KBPS):  //   1Mbps
+          cfg1 = MCP_20MHZ_1000KBPS_CFG1;
+          cfg2 = MCP_20MHZ_1000KBPS_CFG2;
+          cfg3 = MCP_20MHZ_1000KBPS_CFG3;
+          break;
+        default:
+          set = 0;
+          break;
+      }
+      break;
+
+    default:
+      set = 0;
+      break;
+  }
+
+  if (set) {
+    set_register_(MCP_CNF1, cfg1);
+    set_register_(MCP_CNF2, cfg2);
+    set_register_(MCP_CNF3, cfg3);
+    return canbus::ERROR_OK;
+  } else {
+    return canbus::ERROR_FAIL;
+  }
+}
+}  // namespace mcp2515
+}  // namespace esphome

esphome/components/mcp2515/mcp2515.h

@@ -0,0 +1,112 @@
+#pragma once
+
+#include "esphome/components/canbus/canbus.h"
+#include "esphome/components/spi/spi.h"
+#include "esphome/core/component.h"
+#include "mcp2515_defs.h"
+
+namespace esphome {
+namespace mcp2515 {
+static const uint32_t SPI_CLOCK = 10000000;  // 10MHz
+
+static const int N_TXBUFFERS = 3;
+static const int N_RXBUFFERS = 2;
+enum CanClock { MCP_20MHZ, MCP_16MHZ, MCP_8MHZ };
+enum MASK { MASK0, MASK1 };
+enum RXF { RXF0 = 0, RXF1 = 1, RXF2 = 2, RXF3 = 3, RXF4 = 4, RXF5 = 5 };
+enum RXBn { RXB0 = 0, RXB1 = 1 };
+enum TXBn { TXB0 = 0, TXB1 = 1, TXB2 = 2 };
+
+enum CanClkOut {
+  CLKOUT_DISABLE = -1,
+  CLKOUT_DIV1 = 0x0,
+  CLKOUT_DIV2 = 0x1,
+  CLKOUT_DIV4 = 0x2,
+  CLKOUT_DIV8 = 0x3,
+};
+
+enum CANINTF : uint8_t {
+  CANINTF_RX0IF = 0x01,
+  CANINTF_RX1IF = 0x02,
+  CANINTF_TX0IF = 0x04,
+  CANINTF_TX1IF = 0x08,
+  CANINTF_TX2IF = 0x10,
+  CANINTF_ERRIF = 0x20,
+  CANINTF_WAKIF = 0x40,
+  CANINTF_MERRF = 0x80
+};
+
+enum EFLG : uint8_t {
+  EFLG_RX1OVR = (1 << 7),
+  EFLG_RX0OVR = (1 << 6),
+  EFLG_TXBO = (1 << 5),
+  EFLG_TXEP = (1 << 4),
+  EFLG_RXEP = (1 << 3),
+  EFLG_TXWAR = (1 << 2),
+  EFLG_RXWAR = (1 << 1),
+  EFLG_EWARN = (1 << 0)
+};
+
+enum STAT : uint8_t { STAT_RX0IF = (1 << 0), STAT_RX1IF = (1 << 1) };
+
+static const uint8_t STAT_RXIF_MASK = STAT_RX0IF | STAT_RX1IF;
+static const uint8_t EFLG_ERRORMASK = EFLG_RX1OVR | EFLG_RX0OVR | EFLG_TXBO | EFLG_TXEP | EFLG_RXEP;
+
+class MCP2515 : public canbus::Canbus,
+                public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW, spi::CLOCK_PHASE_LEADING,
+                                      spi::DATA_RATE_8MHZ> {
+ public:
+  MCP2515(){};
+  void set_mcp_clock(CanClock clock) { this->mcp_clock_ = clock; };
+  void set_mcp_mode(const CanctrlReqopMode mode) { this->mcp_mode_ = mode; }
+  static const struct TxBnRegs {
+    REGISTER CTRL;
+    REGISTER SIDH;
+    REGISTER DATA;
+  } TXB[N_TXBUFFERS];
+
+  static const struct RxBnRegs {
+    REGISTER CTRL;
+    REGISTER SIDH;
+    REGISTER DATA;
+    CANINTF CANINTF_RXnIF;
+  } RXB[N_RXBUFFERS];
+
+ protected:
+  CanClock mcp_clock_{MCP_8MHZ};
+  CanctrlReqopMode mcp_mode_ = CANCTRL_REQOP_NORMAL;
+  bool setup_internal() override;
+  canbus::Error set_mode_(CanctrlReqopMode mode);
+
+  uint8_t read_register_(REGISTER reg);
+  void read_registers_(REGISTER reg, uint8_t values[], uint8_t n);
+  void set_register_(REGISTER reg, uint8_t value);
+  void set_registers_(REGISTER reg, uint8_t values[], uint8_t n);
+  void modify_register_(REGISTER reg, uint8_t mask, uint8_t data);
+
+  void prepare_id_(uint8_t *buffer, bool extended, uint32_t id);
+  canbus::Error reset_();
+  canbus::Error set_clk_out_(CanClkOut divisor);
+  canbus::Error set_bitrate_(canbus::CanSpeed can_speed);
+  canbus::Error set_bitrate_(canbus::CanSpeed can_speed, CanClock can_clock);
+  canbus::Error set_filter_mask_(MASK mask, bool extended, uint32_t ul_data);
+  canbus::Error set_filter_(RXF num, bool extended, uint32_t ul_data);
+  canbus::Error send_message_(TXBn txbn, struct canbus::CanFrame *frame);
+  canbus::Error send_message(struct canbus::CanFrame *frame) override;
+  canbus::Error read_message_(RXBn rxbn, struct canbus::CanFrame *frame);
+  canbus::Error read_message(struct canbus::CanFrame *frame) override;
+  bool check_receive_();
+  bool check_error_();
+  uint8_t get_error_flags_();
+  void clear_rx_n_ovr_flags_();
+  uint8_t get_int_();
+  uint8_t get_int_mask_();
+  void clear_int_();
+  void clear_tx_int_();
+  uint8_t get_status_();
+  void clear_rx_n_ovr_();
+  void clear_merr_();
+  void clear_errif_();
+};
+}  // namespace mcp2515
+}  // namespace esphome

esphome/components/mcp2515/mcp2515_defs.h

@@ -0,0 +1,317 @@
+#pragma once
+
+namespace esphome {
+namespace mcp2515 {
+
+static const uint8_t CANCTRL_REQOP = 0xE0;
+static const uint8_t CANCTRL_ABAT = 0x10;
+static const uint8_t CANCTRL_OSM = 0x08;
+static const uint8_t CANCTRL_CLKEN = 0x04;
+static const uint8_t CANCTRL_CLKPRE = 0x03;
+
+enum CanctrlReqopMode : uint8_t {
+  CANCTRL_REQOP_NORMAL = 0x00,
+  CANCTRL_REQOP_SLEEP = 0x20,
+  CANCTRL_REQOP_LOOPBACK = 0x40,
+  CANCTRL_REQOP_LISTENONLY = 0x60,
+  CANCTRL_REQOP_CONFIG = 0x80,
+  CANCTRL_REQOP_POWERUP = 0xE0
+};
+
+enum TxbNCtrl : uint8_t {
+  TXB_ABTF = 0x40,
+  TXB_MLOA = 0x20,
+  TXB_TXERR = 0x10,
+  TXB_TXREQ = 0x08,
+  TXB_TXIE = 0x04,
+  TXB_TXP = 0x03
+};
+
+enum INSTRUCTION : uint8_t {
+  INSTRUCTION_WRITE = 0x02,
+  INSTRUCTION_READ = 0x03,
+  INSTRUCTION_BITMOD = 0x05,
+  INSTRUCTION_LOAD_TX0 = 0x40,
+  INSTRUCTION_LOAD_TX1 = 0x42,
+  INSTRUCTION_LOAD_TX2 = 0x44,
+  INSTRUCTION_RTS_TX0 = 0x81,
+  INSTRUCTION_RTS_TX1 = 0x82,
+  INSTRUCTION_RTS_TX2 = 0x84,
+  INSTRUCTION_RTS_ALL = 0x87,
+  INSTRUCTION_READ_RX0 = 0x90,
+  INSTRUCTION_READ_RX1 = 0x94,
+  INSTRUCTION_READ_STATUS = 0xA0,
+  INSTRUCTION_RX_STATUS = 0xB0,
+  INSTRUCTION_RESET = 0xC0
+};
+
+enum REGISTER : uint8_t {
+  MCP_RXF0SIDH = 0x00,
+  MCP_RXF0SIDL = 0x01,
+  MCP_RXF0EID8 = 0x02,
+  MCP_RXF0EID0 = 0x03,
+  MCP_RXF1SIDH = 0x04,
+  MCP_RXF1SIDL = 0x05,
+  MCP_RXF1EID8 = 0x06,
+  MCP_RXF1EID0 = 0x07,
+  MCP_RXF2SIDH = 0x08,
+  MCP_RXF2SIDL = 0x09,
+  MCP_RXF2EID8 = 0x0A,
+  MCP_RXF2EID0 = 0x0B,
+  MCP_CANSTAT = 0x0E,
+  MCP_CANCTRL = 0x0F,
+  MCP_RXF3SIDH = 0x10,
+  MCP_RXF3SIDL = 0x11,
+  MCP_RXF3EID8 = 0x12,
+  MCP_RXF3EID0 = 0x13,
+  MCP_RXF4SIDH = 0x14,
+  MCP_RXF4SIDL = 0x15,
+  MCP_RXF4EID8 = 0x16,
+  MCP_RXF4EID0 = 0x17,
+  MCP_RXF5SIDH = 0x18,
+  MCP_RXF5SIDL = 0x19,
+  MCP_RXF5EID8 = 0x1A,
+  MCP_RXF5EID0 = 0x1B,
+  MCP_TEC = 0x1C,
+  MCP_REC = 0x1D,
+  MCP_RXM0SIDH = 0x20,
+  MCP_RXM0SIDL = 0x21,
+  MCP_RXM0EID8 = 0x22,
+  MCP_RXM0EID0 = 0x23,
+  MCP_RXM1SIDH = 0x24,
+  MCP_RXM1SIDL = 0x25,
+  MCP_RXM1EID8 = 0x26,
+  MCP_RXM1EID0 = 0x27,
+  MCP_CNF3 = 0x28,
+  MCP_CNF2 = 0x29,
+  MCP_CNF1 = 0x2A,
+  MCP_CANINTE = 0x2B,
+  MCP_CANINTF = 0x2C,
+  MCP_EFLG = 0x2D,
+  MCP_TXB0CTRL = 0x30,
+  MCP_TXB0SIDH = 0x31,
+  MCP_TXB0SIDL = 0x32,
+  MCP_TXB0EID8 = 0x33,
+  MCP_TXB0EID0 = 0x34,
+  MCP_TXB0DLC = 0x35,
+  MCP_TXB0DATA = 0x36,
+  MCP_TXB1CTRL = 0x40,
+  MCP_TXB1SIDH = 0x41,
+  MCP_TXB1SIDL = 0x42,
+  MCP_TXB1EID8 = 0x43,
+  MCP_TXB1EID0 = 0x44,
+  MCP_TXB1DLC = 0x45,
+  MCP_TXB1DATA = 0x46,
+  MCP_TXB2CTRL = 0x50,
+  MCP_TXB2SIDH = 0x51,
+  MCP_TXB2SIDL = 0x52,
+  MCP_TXB2EID8 = 0x53,
+  MCP_TXB2EID0 = 0x54,
+  MCP_TXB2DLC = 0x55,
+  MCP_TXB2DATA = 0x56,
+  MCP_RXB0CTRL = 0x60,
+  MCP_RXB0SIDH = 0x61,
+  MCP_RXB0SIDL = 0x62,
+  MCP_RXB0EID8 = 0x63,
+  MCP_RXB0EID0 = 0x64,
+  MCP_RXB0DLC = 0x65,
+  MCP_RXB0DATA = 0x66,
+  MCP_RXB1CTRL = 0x70,
+  MCP_RXB1SIDH = 0x71,
+  MCP_RXB1SIDL = 0x72,
+  MCP_RXB1EID8 = 0x73,
+  MCP_RXB1EID0 = 0x74,
+  MCP_RXB1DLC = 0x75,
+  MCP_RXB1DATA = 0x76
+};
+
+static const uint8_t CANSTAT_OPMOD = 0xE0;
+static const uint8_t CANSTAT_ICOD = 0x0E;
+
+static const uint8_t CNF3_SOF = 0x80;
+
+static const uint8_t TXB_EXIDE_MASK = 0x08;
+static const uint8_t DLC_MASK = 0x0F;
+static const uint8_t RTR_MASK = 0x40;
+
+static const uint8_t RXB_CTRL_RXM_STD = 0x20;
+static const uint8_t RXB_CTRL_RXM_EXT = 0x40;
+static const uint8_t RXB_CTRL_RXM_STDEXT = 0x00;
+static const uint8_t RXB_CTRL_RXM_MASK = 0x60;
+static const uint8_t RXB_CTRL_RTR = 0x08;
+static const uint8_t RXB_0_CTRL_BUKT = 0x04;
+
+static const uint8_t MCP_SIDH = 0;
+static const uint8_t MCP_SIDL = 1;
+static const uint8_t MCP_EID8 = 2;
+static const uint8_t MCP_EID0 = 3;
+static const uint8_t MCP_DLC = 4;
+static const uint8_t MCP_DATA = 5;
+
+/*
+ *  Speed 8M
+ */
+static const uint8_t MCP_8MHZ_1000KBPS_CFG1 = 0x00;
+static const uint8_t MCP_8MHZ_1000KBPS_CFG2 = 0x80;
+static const uint8_t MCP_8MHZ_1000KBPS_CFG3 = 0x80;
+
+static const uint8_t MCP_8MHZ_500KBPS_CFG1 = 0x00;
+static const uint8_t MCP_8MHZ_500KBPS_CFG2 = 0x90;
+static const uint8_t MCP_8MHZ_500KBPS_CFG3 = 0x82;
+
+static const uint8_t MCP_8MHZ_250KBPS_CFG1 = 0x00;
+static const uint8_t MCP_8MHZ_250KBPS_CFG2 = 0xB1;
+static const uint8_t MCP_8MHZ_250KBPS_CFG3 = 0x85;
+
+static const uint8_t MCP_8MHZ_200KBPS_CFG1 = 0x00;
+static const uint8_t MCP_8MHZ_200KBPS_CFG2 = 0xB4;
+static const uint8_t MCP_8MHZ_200KBPS_CFG3 = 0x86;
+
+static const uint8_t MCP_8MHZ_125KBPS_CFG1 = 0x01;
+static const uint8_t MCP_8MHZ_125KBPS_CFG2 = 0xB1;
+static const uint8_t MCP_8MHZ_125KBPS_CFG3 = 0x85;
+
+static const uint8_t MCP_8MHZ_100KBPS_CFG1 = 0x01;
+static const uint8_t MCP_8MHZ_100KBPS_CFG2 = 0xB4;
+static const uint8_t MCP_8MHZ_100KBPS_CFG3 = 0x86;
+
+static const uint8_t MCP_8MHZ_80KBPS_CFG1 = 0x01;
+static const uint8_t MCP_8MHZ_80KBPS_CFG2 = 0xBF;
+static const uint8_t MCP_8MHZ_80KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_8MHZ_50KBPS_CFG1 = 0x03;
+static const uint8_t MCP_8MHZ_50KBPS_CFG2 = 0xB4;
+static const uint8_t MCP_8MHZ_50KBPS_CFG3 = 0x86;
+
+static const uint8_t MCP_8MHZ_40KBPS_CFG1 = 0x03;
+static const uint8_t MCP_8MHZ_40KBPS_CFG2 = 0xBF;
+static const uint8_t MCP_8MHZ_40KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_8MHZ_33K3BPS_CFG1 = 0x47;
+static const uint8_t MCP_8MHZ_33K3BPS_CFG2 = 0xE2;
+static const uint8_t MCP_8MHZ_33K3BPS_CFG3 = 0x85;
+
+static const uint8_t MCP_8MHZ_31K25BPS_CFG1 = 0x07;
+static const uint8_t MCP_8MHZ_31K25BPS_CFG2 = 0xA4;
+static const uint8_t MCP_8MHZ_31K25BPS_CFG3 = 0x84;
+
+static const uint8_t MCP_8MHZ_20KBPS_CFG1 = 0x07;
+static const uint8_t MCP_8MHZ_20KBPS_CFG2 = 0xBF;
+static const uint8_t MCP_8MHZ_20KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_8MHZ_10KBPS_CFG1 = 0x0F;
+static const uint8_t MCP_8MHZ_10KBPS_CFG2 = 0xBF;
+static const uint8_t MCP_8MHZ_10KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_8MHZ_5KBPS_CFG1 = 0x1F;
+static const uint8_t MCP_8MHZ_5KBPS_CFG2 = 0xBF;
+static const uint8_t MCP_8MHZ_5KBPS_CFG3 = 0x87;
+
+/*
+ *  speed 16M
+ */
+static const uint8_t MCP_16MHZ_1000KBPS_CFG1 = 0x00;
+static const uint8_t MCP_16MHZ_1000KBPS_CFG2 = 0xD0;
+static const uint8_t MCP_16MHZ_1000KBPS_CFG3 = 0x82;
+
+static const uint8_t MCP_16MHZ_500KBPS_CFG1 = 0x00;
+static const uint8_t MCP_16MHZ_500KBPS_CFG2 = 0xF0;
+static const uint8_t MCP_16MHZ_500KBPS_CFG3 = 0x86;
+
+static const uint8_t MCP_16MHZ_250KBPS_CFG1 = 0x41;
+static const uint8_t MCP_16MHZ_250KBPS_CFG2 = 0xF1;
+static const uint8_t MCP_16MHZ_250KBPS_CFG3 = 0x85;
+
+static const uint8_t MCP_16MHZ_200KBPS_CFG1 = 0x01;
+static const uint8_t MCP_16MHZ_200KBPS_CFG2 = 0xFA;
+static const uint8_t MCP_16MHZ_200KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_16MHZ_125KBPS_CFG1 = 0x03;
+static const uint8_t MCP_16MHZ_125KBPS_CFG2 = 0xF0;
+static const uint8_t MCP_16MHZ_125KBPS_CFG3 = 0x86;
+
+static const uint8_t MCP_16MHZ_100KBPS_CFG1 = 0x03;
+static const uint8_t MCP_16MHZ_100KBPS_CFG2 = 0xFA;
+static const uint8_t MCP_16MHZ_100KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_16MHZ_80KBPS_CFG1 = 0x03;
+static const uint8_t MCP_16MHZ_80KBPS_CFG2 = 0xFF;
+static const uint8_t MCP_16MHZ_80KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_16MHZ_83K3BPS_CFG1 = 0x03;
+static const uint8_t MCP_16MHZ_83K3BPS_CFG2 = 0xBE;
+static const uint8_t MCP_16MHZ_83K3BPS_CFG3 = 0x07;
+
+static const uint8_t MCP_16MHZ_50KBPS_CFG1 = 0x07;
+static const uint8_t MCP_16MHZ_50KBPS_CFG2 = 0xFA;
+static const uint8_t MCP_16MHZ_50KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_16MHZ_40KBPS_CFG1 = 0x07;
+static const uint8_t MCP_16MHZ_40KBPS_CFG2 = 0xFF;
+static const uint8_t MCP_16MHZ_40KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_16MHZ_33K3BPS_CFG1 = 0x4E;
+static const uint8_t MCP_16MHZ_33K3BPS_CFG2 = 0xF1;
+static const uint8_t MCP_16MHZ_33K3BPS_CFG3 = 0x85;
+
+static const uint8_t MCP_16MHZ_20KBPS_CFG1 = 0x0F;
+static const uint8_t MCP_16MHZ_20KBPS_CFG2 = 0xFF;
+static const uint8_t MCP_16MHZ_20KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_16MHZ_10KBPS_CFG1 = 0x1F;
+static const uint8_t MCP_16MHZ_10KBPS_CFG2 = 0xFF;
+static const uint8_t MCP_16MHZ_10KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_16MHZ_5KBPS_CFG1 = 0x3F;
+static const uint8_t MCP_16MHZ_5KBPS_CFG2 = 0xFF;
+static const uint8_t MCP_16MHZ_5KBPS_CFG3 = 0x87;
+
+/*
+ *  speed 20M
+ */
+static const uint8_t MCP_20MHZ_1000KBPS_CFG1 = 0x00;
+static const uint8_t MCP_20MHZ_1000KBPS_CFG2 = 0xD9;
+static const uint8_t MCP_20MHZ_1000KBPS_CFG3 = 0x82;
+
+static const uint8_t MCP_20MHZ_500KBPS_CFG1 = 0x00;
+static const uint8_t MCP_20MHZ_500KBPS_CFG2 = 0xFA;
+static const uint8_t MCP_20MHZ_500KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_20MHZ_250KBPS_CFG1 = 0x41;
+static const uint8_t MCP_20MHZ_250KBPS_CFG2 = 0xFB;
+static const uint8_t MCP_20MHZ_250KBPS_CFG3 = 0x86;
+
+static const uint8_t MCP_20MHZ_200KBPS_CFG1 = 0x01;
+static const uint8_t MCP_20MHZ_200KBPS_CFG2 = 0xFF;
+static const uint8_t MCP_20MHZ_200KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_20MHZ_125KBPS_CFG1 = 0x03;
+static const uint8_t MCP_20MHZ_125KBPS_CFG2 = 0xFA;
+static const uint8_t MCP_20MHZ_125KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_20MHZ_100KBPS_CFG1 = 0x04;
+static const uint8_t MCP_20MHZ_100KBPS_CFG2 = 0xFA;
+static const uint8_t MCP_20MHZ_100KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_20MHZ_83K3BPS_CFG1 = 0x04;
+static const uint8_t MCP_20MHZ_83K3BPS_CFG2 = 0xFE;
+static const uint8_t MCP_20MHZ_83K3BPS_CFG3 = 0x87;
+
+static const uint8_t MCP_20MHZ_80KBPS_CFG1 = 0x04;
+static const uint8_t MCP_20MHZ_80KBPS_CFG2 = 0xFF;
+static const uint8_t MCP_20MHZ_80KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_20MHZ_50KBPS_CFG1 = 0x09;
+static const uint8_t MCP_20MHZ_50KBPS_CFG2 = 0xFA;
+static const uint8_t MCP_20MHZ_50KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_20MHZ_40KBPS_CFG1 = 0x09;
+static const uint8_t MCP_20MHZ_40KBPS_CFG2 = 0xFF;
+static const uint8_t MCP_20MHZ_40KBPS_CFG3 = 0x87;
+
+static const uint8_t MCP_20MHZ_33K3BPS_CFG1 = 0x0B;
+static const uint8_t MCP_20MHZ_33K3BPS_CFG2 = 0xFF;
+static const uint8_t MCP_20MHZ_33K3BPS_CFG3 = 0x87;
+
+}  // namespace mcp2515
+}  // namespace esphome

esphome/components/mcp3008/mcp3008.cpp

@@ -15,19 +15,18 @@ void MCP3008::setup() {
 
 void MCP3008::dump_config() {
   ESP_LOGCONFIG(TAG, "MCP3008:");
-  LOG_PIN("  CS Pin: ", this->cs_);
+  LOG_PIN("  CS Pin:", this->cs_);
 }
 
-float MCP3008::read_data_(uint8_t pin) {
+float MCP3008::read_data(uint8_t pin) {
-  uint8_t data_msb = 0;
+  uint8_t data_msb, data_lsb = 0;
-  uint8_t data_lsb = 0;
 
   uint8_t command = ((0x01 << 7) |          // start bit
                      ((pin & 0x07) << 4));  // channel number
 
   this->enable();
-
   this->transfer_byte(0x01);
+
   data_msb = this->transfer_byte(command) & 0x03;
   data_lsb = this->transfer_byte(0x00);
 
@@ -35,18 +34,29 @@ float MCP3008::read_data_(uint8_t pin) {
 
   int data = data_msb << 8 | data_lsb;
 
-  return data / 1024.0f;
+  return data / 1023.0f;
 }
 
-MCP3008Sensor::MCP3008Sensor(MCP3008 *parent, std::string name, uint8_t pin)
+MCP3008Sensor::MCP3008Sensor(MCP3008 *parent, std::string name, uint8_t pin, float reference_voltage)
     : PollingComponent(1000), parent_(parent), pin_(pin) {
   this->set_name(name);
+  this->reference_voltage_ = reference_voltage;
 }
+
+float MCP3008Sensor::get_setup_priority() const { return setup_priority::DATA; }
+
 void MCP3008Sensor::setup() { LOG_SENSOR("", "Setting up MCP3008 Sensor '%s'...", this); }
-void MCP3008Sensor::update() {
+void MCP3008Sensor::dump_config() {
-  float value_v = this->parent_->read_data_(pin_);
+  ESP_LOGCONFIG(TAG, "MCP3008Sensor:");
-  this->publish_state(value_v);
+  ESP_LOGCONFIG(TAG, "  Pin: %u", this->pin_);
+  ESP_LOGCONFIG(TAG, "  Reference Voltage: %.2fV", this->reference_voltage_);
 }
+float MCP3008Sensor::sample() {
+  float value_v = this->parent_->read_data(pin_);
+  value_v = (value_v * this->reference_voltage_);
+  return value_v;
+}
+void MCP3008Sensor::update() { this->publish_state(this->sample()); }
 
 }  // namespace mcp3008
 }  // namespace esphome

esphome/components/mcp3008/mcp3008.h

@@ -4,38 +4,41 @@
 #include "esphome/core/esphal.h"
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/spi/spi.h"
+#include "esphome/components/voltage_sampler/voltage_sampler.h"
 
 namespace esphome {
 namespace mcp3008 {
 
-class MCP3008Sensor;
-
 class MCP3008 : public Component,
                 public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW, spi::CLOCK_PHASE_LEADING,
-                                      spi::DATA_RATE_1MHZ> {  // At 3.3V 2MHz is too fast 1.35MHz is about right
+                                      spi::DATA_RATE_75KHZ> {  // Running at the slowest max speed supported by the
+                                                               // mcp3008. 2.7v = 75ksps
  public:
   MCP3008() = default;
 
   void setup() override;
   void dump_config() override;
   float get_setup_priority() const override;
+  float read_data(uint8_t pin);
 
  protected:
-  float read_data_(uint8_t pin);
-
-  friend class MCP3008Sensor;
 };
 
-class MCP3008Sensor : public PollingComponent, public sensor::Sensor {
+class MCP3008Sensor : public PollingComponent, public sensor::Sensor, public voltage_sampler::VoltageSampler {
  public:
-  MCP3008Sensor(MCP3008 *parent, std::string name, uint8_t pin);
+  MCP3008Sensor(MCP3008 *parent, std::string name, uint8_t pin, float reference_voltage);
 
+  void set_reference_voltage(float reference_voltage) { reference_voltage_ = reference_voltage; }
   void setup() override;
   void update() override;
+  void dump_config() override;
+  float get_setup_priority() const override;
+  float sample() override;
 
  protected:
   MCP3008 *parent_;
   uint8_t pin_;
+  float reference_voltage_;
 };
 
 }  // namespace mcp3008

esphome/components/mcp3008/sensor.py

@@ -1,23 +1,29 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome.components import sensor
+from esphome.components import sensor, voltage_sampler
 from esphome.const import CONF_ID, CONF_NUMBER, CONF_NAME
 from . import mcp3008_ns, MCP3008
 
+AUTO_LOAD = ['voltage_sampler']
+
 DEPENDENCIES = ['mcp3008']
 
-MCP3008Sensor = mcp3008_ns.class_('MCP3008Sensor', sensor.Sensor, cg.PollingComponent)
+MCP3008Sensor = mcp3008_ns.class_('MCP3008Sensor', sensor.Sensor, cg.PollingComponent,
-
+                                  voltage_sampler.VoltageSampler)
+CONF_REFERENCE_VOLTAGE = 'reference_voltage'
 CONF_MCP3008_ID = 'mcp3008_id'
 
 CONFIG_SCHEMA = sensor.SENSOR_SCHEMA.extend({
     cv.GenerateID(): cv.declare_id(MCP3008Sensor),
     cv.GenerateID(CONF_MCP3008_ID): cv.use_id(MCP3008),
     cv.Required(CONF_NUMBER): cv.int_,
+    cv.Optional(CONF_REFERENCE_VOLTAGE, default='3.3V'): cv.voltage,
 }).extend(cv.polling_component_schema('1s'))
 
 
 def to_code(config):
     parent = yield cg.get_variable(config[CONF_MCP3008_ID])
-    var = cg.new_Pvariable(config[CONF_ID], parent, config[CONF_NAME], config[CONF_NUMBER])
+    var = cg.new_Pvariable(config[CONF_ID], parent, config[CONF_NAME],
+                           config[CONF_NUMBER], config[CONF_REFERENCE_VOLTAGE])
     yield cg.register_component(var, config)
+    yield sensor.register_sensor(var, config)

esphome/components/mcp9808/mcp9808.cpp

@@ -0,0 +1,81 @@
+#include "mcp9808.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace mcp9808 {
+
+static const uint8_t MCP9808_REG_AMBIENT_TEMP = 0x05;
+static const uint8_t MCP9808_REG_MANUF_ID = 0x06;
+static const uint8_t MCP9808_REG_DEVICE_ID = 0x07;
+
+static const uint16_t MCP9808_MANUF_ID = 0x0054;
+static const uint16_t MCP9808_DEV_ID = 0x0400;
+
+static const uint8_t MCP9808_AMBIENT_CLEAR_FLAGS = 0x1F;
+static const uint8_t MCP9808_AMBIENT_CLEAR_SIGN = 0x0F;
+static const uint8_t MCP9808_AMBIENT_TEMP_NEGATIVE = 0x10;
+
+static const char *TAG = "mcp9808";
+
+void MCP9808Sensor::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up %s...", this->name_.c_str());
+
+  uint16_t manu;
+  if (!this->read_byte_16(MCP9808_REG_MANUF_ID, &manu, 0) || manu != MCP9808_MANUF_ID) {
+    this->mark_failed();
+    ESP_LOGE(TAG, "%s manufacuturer id failed, device returned %X", this->name_.c_str(), manu);
+    return;
+  }
+  uint16_t dev_id;
+  if (!this->read_byte_16(MCP9808_REG_DEVICE_ID, &dev_id, 0) || dev_id != MCP9808_DEV_ID) {
+    this->mark_failed();
+    ESP_LOGE(TAG, "%s device id failed, device returned %X", this->name_.c_str(), dev_id);
+    return;
+  }
+}
+void MCP9808Sensor::dump_config() {
+  ESP_LOGCONFIG(TAG, "%s:", this->name_.c_str());
+  LOG_I2C_DEVICE(this);
+  if (this->is_failed()) {
+    ESP_LOGE(TAG, "Communication with %s failed!", this->name_.c_str());
+  }
+  LOG_UPDATE_INTERVAL(this);
+  LOG_SENSOR("  ", "Temperature", this);
+}
+void MCP9808Sensor::update() {
+  uint16_t raw_temp;
+  if (!this->read_byte_16(MCP9808_REG_AMBIENT_TEMP, &raw_temp)) {
+    this->status_set_warning();
+    return;
+  }
+  if (raw_temp == 0xFFFF) {
+    this->status_set_warning();
+    return;
+  }
+
+  float temp = NAN;
+  uint8_t msb = (uint8_t)((raw_temp & 0xff00) >> 8);
+  uint8_t lsb = raw_temp & 0x00ff;
+
+  msb = msb & MCP9808_AMBIENT_CLEAR_FLAGS;
+
+  if ((msb & MCP9808_AMBIENT_TEMP_NEGATIVE) == MCP9808_AMBIENT_TEMP_NEGATIVE) {
+    msb = msb & MCP9808_AMBIENT_CLEAR_SIGN;
+    temp = (256 - ((uint16_t)(msb) *16 + lsb / 16.0f)) * -1;
+  } else {
+    temp = (uint16_t)(msb) *16 + lsb / 16.0f;
+  }
+
+  if (isnan(temp)) {
+    this->status_set_warning();
+    return;
+  }
+
+  ESP_LOGD(TAG, "%s: Got temperature=%.4f°C", this->name_.c_str(), temp);
+  this->publish_state(temp);
+  this->status_clear_warning();
+}
+float MCP9808Sensor::get_setup_priority() const { return setup_priority::DATA; }
+
+}  // namespace mcp9808
+}  // namespace esphome

esphome/components/mcp9808/mcp9808.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace mcp9808 {
+
+class MCP9808Sensor : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
+ public:
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override;
+
+  void update() override;
+};
+
+}  // namespace mcp9808
+}  // namespace esphome

esphome/components/mcp9808/sensor.py

@@ -0,0 +1,22 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import i2c, sensor
+from esphome.const import CONF_ID, ICON_THERMOMETER, UNIT_CELSIUS
+
+CODEOWNERS = ['@k7hpn']
+DEPENDENCIES = ['i2c']
+
+mcp9808_ns = cg.esphome_ns.namespace('mcp9808')
+MCP9808Sensor = mcp9808_ns.class_('MCP9808Sensor', sensor.Sensor, cg.PollingComponent,
+                                  i2c.I2CDevice)
+
+CONFIG_SCHEMA = sensor.sensor_schema(UNIT_CELSIUS, ICON_THERMOMETER, 1).extend({
+    cv.GenerateID(): cv.declare_id(MCP9808Sensor),
+}).extend(cv.polling_component_schema('60s')).extend(i2c.i2c_device_schema(0x18))
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield cg.register_component(var, config)
+    yield i2c.register_i2c_device(var, config)
+    yield sensor.register_sensor(var, config)

esphome/components/nfc/__init__.py

@@ -0,0 +1,7 @@
+import esphome.codegen as cg
+
+CODEOWNERS = ['@jesserockz']
+
+nfc_ns = cg.esphome_ns.namespace('nfc')
+
+NfcTag = nfc_ns.class_('NfcTag')

esphome/components/nfc/ndef_message.cpp

@@ -0,0 +1,106 @@
+#include "ndef_message.h"
+
+namespace esphome {
+namespace nfc {
+
+static const char *TAG = "nfc.ndef_message";
+
+NdefMessage::NdefMessage(std::vector<uint8_t> &data) {
+  ESP_LOGV(TAG, "Building NdefMessage with %zu bytes", data.size());
+  uint8_t index = 0;
+  while (index <= data.size()) {
+    uint8_t tnf_byte = data[index++];
+    bool me = tnf_byte & 0x40;
+    bool sr = tnf_byte & 0x10;
+    bool il = tnf_byte & 0x08;
+    uint8_t tnf = tnf_byte & 0x07;
+
+    ESP_LOGVV(TAG, "me=%s, sr=%s, il=%s, tnf=%d", YESNO(me), YESNO(sr), YESNO(il), tnf);
+
+    auto record = new NdefRecord();
+    record->set_tnf(tnf);
+
+    uint8_t type_length = data[index++];
+    uint32_t payload_length = 0;
+    if (sr) {
+      payload_length = data[index++];
+    } else {
+      payload_length = (static_cast<uint32_t>(data[index]) << 24) | (static_cast<uint32_t>(data[index + 1]) << 16) |
+                       (static_cast<uint32_t>(data[index + 2]) << 8) | static_cast<uint32_t>(data[index + 3]);
+      index += 4;
+    }
+
+    uint8_t id_length = 0;
+    if (il) {
+      id_length = data[index++];
+    }
+
+    ESP_LOGVV(TAG, "Lengths: type=%d, payload=%d, id=%d", type_length, payload_length, id_length);
+
+    std::string type_str(data.begin() + index, data.begin() + index + type_length);
+    record->set_type(type_str);
+    index += type_length;
+
+    if (il) {
+      std::string id_str(data.begin() + index, data.begin() + index + id_length);
+      record->set_id(id_str);
+      index += id_length;
+    }
+
+    uint8_t payload_identifier = 0x00;
+    if (type_str == "U") {
+      payload_identifier = data[index++];
+      payload_length -= 1;
+    }
+
+    std::string payload_str(data.begin() + index, data.begin() + index + payload_length);
+
+    if (payload_identifier > 0x00 && payload_identifier <= PAYLOAD_IDENTIFIERS_COUNT) {
+      payload_str.insert(0, PAYLOAD_IDENTIFIERS[payload_identifier]);
+    }
+
+    record->set_payload(payload_str);
+    index += payload_length;
+
+    this->add_record(record);
+    ESP_LOGV(TAG, "Adding record type %s = %s", record->get_type().c_str(), record->get_payload().c_str());
+
+    if (me)
+      break;
+  }
+}
+
+bool NdefMessage::add_record(NdefRecord *record) {
+  if (this->records_.size() >= MAX_NDEF_RECORDS) {
+    ESP_LOGE(TAG, "Too many records. Max: %d", MAX_NDEF_RECORDS);
+    return false;
+  }
+  this->records_.push_back(record);
+  return true;
+}
+
+bool NdefMessage::add_text_record(const std::string &text) { return this->add_text_record(text, "en"); };
+
+bool NdefMessage::add_text_record(const std::string &text, const std::string &encoding) {
+  std::string payload = to_string(text.length()) + encoding + text;
+  auto r = new NdefRecord(TNF_WELL_KNOWN, "T", payload);
+  return this->add_record(r);
+}
+
+bool NdefMessage::add_uri_record(const std::string &uri) {
+  auto r = new NdefRecord(TNF_WELL_KNOWN, "U", uri);
+  return this->add_record(r);
+}
+
+std::vector<uint8_t> NdefMessage::encode() {
+  std::vector<uint8_t> data;
+
+  for (uint8_t i = 0; i < this->records_.size(); i++) {
+    auto encoded_record = this->records_[i]->encode(i == 0, (i + 1) == this->records_.size());
+    data.insert(data.end(), encoded_record.begin(), encoded_record.end());
+  }
+  return data;
+}
+
+}  // namespace nfc
+}  // namespace esphome