Merge branch 'dev' into nrf52_core

.github/workflows/release.yml

@@ -141,7 +141,7 @@ jobs:
           echo name=$(cat /tmp/platform) >> $GITHUB_OUTPUT
 
       - name: Upload digests
-        uses: actions/upload-artifact@v4.3.4
+        uses: actions/upload-artifact@v4.4.0
         with:
           name: digests-${{ steps.sanitize.outputs.name }}
           path: /tmp/digests

CODEOWNERS

@@ -83,6 +83,7 @@ esphome/components/cap1188/* @mreditor97
 esphome/components/captive_portal/* @OttoWinter
 esphome/components/ccs811/* @habbie
 esphome/components/cd74hc4067/* @asoehlke
+esphome/components/ch422g/* @jesterret
 esphome/components/climate/* @esphome/core
 esphome/components/climate_ir/* @glmnet
 esphome/components/color_temperature/* @jesserockz
@@ -424,6 +425,7 @@ esphome/components/tuya/switch/* @jesserockz
 esphome/components/tuya/text_sensor/* @dentra
 esphome/components/uart/* @esphome/core
 esphome/components/uart/button/* @ssieb
+esphome/components/udp/* @clydebarrow
 esphome/components/ufire_ec/* @pvizeli
 esphome/components/ufire_ise/* @pvizeli
 esphome/components/ultrasonic/* @OttoWinter

docker/Dockerfile

@@ -34,8 +34,8 @@ RUN \
         python3-wheel=0.38.4-2 \
         iputils-ping=3:20221126-1 \
         git=1:2.39.2-1.1 \
-        curl=7.88.1-10+deb12u6 \
+        curl=7.88.1-10+deb12u7 \
-        openssh-client=1:9.2p1-2+deb12u2 \
+        openssh-client=1:9.2p1-2+deb12u3 \
         python3-cffi=1.15.1-5 \
         libcairo2=1.16.0-7 \
         libmagic1=1:5.44-3 \
@@ -49,7 +49,7 @@ RUN \
                 zlib1g-dev=1:1.2.13.dfsg-1 \
                 libjpeg-dev=1:2.1.5-2 \
                 libfreetype-dev=2.12.1+dfsg-5+deb12u3 \
-                libssl-dev=3.0.13-1~deb12u1 \
+                libssl-dev=3.0.14-1~deb12u1 \
                 libffi-dev=3.4.4-1 \
                 libopenjp2-7=2.5.0-2 \
                 libtiff6=4.5.0-6+deb12u1 \

esphome/components/bluetooth_proxy/bluetooth_proxy.cpp

@@ -54,6 +54,9 @@ bool BluetoothProxy::parse_devices(esp_ble_gap_cb_param_t::ble_scan_result_evt_p
     }
 
     resp.advertisements.push_back(std::move(adv));
+
+    ESP_LOGV(TAG, "Proxying raw packet from %02X:%02X:%02X:%02X:%02X:%02X, length %d. RSSI: %d dB", result.bda[0],
+             result.bda[1], result.bda[2], result.bda[3], result.bda[4], result.bda[5], length, result.rssi);
   }
   ESP_LOGV(TAG, "Proxying %d packets", count);
   this->api_connection_->send_bluetooth_le_raw_advertisements_response(resp);
@@ -87,6 +90,8 @@ void BluetoothProxy::send_api_packet_(const esp32_ble_tracker::ESPBTDevice &devi
 void BluetoothProxy::dump_config() {
   ESP_LOGCONFIG(TAG, "Bluetooth Proxy:");
   ESP_LOGCONFIG(TAG, "  Active: %s", YESNO(this->active_));
+  ESP_LOGCONFIG(TAG, "  Connections: %d", this->connections_.size());
+  ESP_LOGCONFIG(TAG, "  Raw advertisements: %s", YESNO(this->raw_advertisements_));
 }
 
 int BluetoothProxy::get_bluetooth_connections_free() {

esphome/components/ch422g/__init__.py

@@ -0,0 +1,67 @@
+from esphome import pins
+import esphome.codegen as cg
+from esphome.components import i2c
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_ID,
+    CONF_INPUT,
+    CONF_INVERTED,
+    CONF_MODE,
+    CONF_NUMBER,
+    CONF_OUTPUT,
+    CONF_RESTORE_VALUE,
+)
+
+CODEOWNERS = ["@jesterret"]
+DEPENDENCIES = ["i2c"]
+MULTI_CONF = True
+ch422g_ns = cg.esphome_ns.namespace("ch422g")
+
+CH422GComponent = ch422g_ns.class_("CH422GComponent", cg.Component, i2c.I2CDevice)
+CH422GGPIOPin = ch422g_ns.class_(
+    "CH422GGPIOPin", cg.GPIOPin, cg.Parented.template(CH422GComponent)
+)
+
+CONF_CH422G = "ch422g"
+CONFIG_SCHEMA = (
+    cv.Schema(
+        {
+            cv.Required(CONF_ID): cv.declare_id(CH422GComponent),
+            cv.Optional(CONF_RESTORE_VALUE, default=False): cv.boolean,
+        }
+    )
+    .extend(cv.COMPONENT_SCHEMA)
+    .extend(i2c.i2c_device_schema(0x24))
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    cg.add(var.set_restore_value(config[CONF_RESTORE_VALUE]))
+    await cg.register_component(var, config)
+    await i2c.register_i2c_device(var, config)
+
+
+CH422G_PIN_SCHEMA = pins.gpio_base_schema(
+    CH422GGPIOPin,
+    cv.int_range(min=0, max=7),
+    modes=[CONF_INPUT, CONF_OUTPUT],
+).extend(
+    {
+        cv.Required(CONF_CH422G): cv.use_id(CH422GComponent),
+    }
+)
+
+
+@pins.PIN_SCHEMA_REGISTRY.register(CONF_CH422G, CH422G_PIN_SCHEMA)
+async def ch422g_pin_to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    parent = await cg.get_variable(config[CONF_CH422G])
+
+    cg.add(var.set_parent(parent))
+
+    num = config[CONF_NUMBER]
+    cg.add(var.set_pin(num))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
+    cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
+    return var

esphome/components/ch422g/ch422g.cpp

@@ -0,0 +1,122 @@
+#include "ch422g.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace ch422g {
+
+const uint8_t CH422G_REG_IN = 0x26;
+const uint8_t CH422G_REG_OUT = 0x38;
+const uint8_t OUT_REG_DEFAULT_VAL = 0xdf;
+
+static const char *const TAG = "ch422g";
+
+void CH422GComponent::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up CH422G...");
+  // Test to see if device exists
+  if (!this->read_inputs_()) {
+    ESP_LOGE(TAG, "CH422G not detected at 0x%02X", this->address_);
+    this->mark_failed();
+    return;
+  }
+
+  // restore defaults over whatever got saved on last boot
+  if (!this->restore_value_) {
+    this->write_output_(OUT_REG_DEFAULT_VAL);
+  }
+
+  ESP_LOGD(TAG, "Initialization complete. Warning: %d, Error: %d", this->status_has_warning(),
+           this->status_has_error());
+}
+
+void CH422GComponent::loop() {
+  // Clear all the previously read flags.
+  this->pin_read_cache_ = 0x00;
+}
+
+void CH422GComponent::dump_config() {
+  ESP_LOGCONFIG(TAG, "CH422G:");
+  LOG_I2C_DEVICE(this)
+  if (this->is_failed()) {
+    ESP_LOGE(TAG, "Communication with CH422G failed!");
+  }
+}
+
+// ch422g doesn't have any flag support (needs docs?)
+void CH422GComponent::pin_mode(uint8_t pin, gpio::Flags flags) {}
+
+bool CH422GComponent::digital_read(uint8_t pin) {
+  if (this->pin_read_cache_ == 0 || this->pin_read_cache_ & (1 << pin)) {
+    // Read values on first access or in case it's being read again in the same loop
+    this->read_inputs_();
+  }
+
+  this->pin_read_cache_ |= (1 << pin);
+  return this->state_mask_ & (1 << pin);
+}
+
+void CH422GComponent::digital_write(uint8_t pin, bool value) {
+  if (value) {
+    this->write_output_(this->state_mask_ | (1 << pin));
+  } else {
+    this->write_output_(this->state_mask_ & ~(1 << pin));
+  }
+}
+
+bool CH422GComponent::read_inputs_() {
+  if (this->is_failed()) {
+    return false;
+  }
+
+  uint8_t temp = 0;
+  if ((this->last_error_ = this->read(&temp, 1)) != esphome::i2c::ERROR_OK) {
+    this->status_set_warning(str_sprintf("read_inputs_(): I2C I/O error: %d", (int) this->last_error_).c_str());
+    return false;
+  }
+
+  uint8_t output = 0;
+  if ((this->last_error_ = this->bus_->read(CH422G_REG_IN, &output, 1)) != esphome::i2c::ERROR_OK) {
+    this->status_set_warning(str_sprintf("read_inputs_(): I2C I/O error: %d", (int) this->last_error_).c_str());
+    return false;
+  }
+
+  this->state_mask_ = output;
+  this->status_clear_warning();
+
+  return true;
+}
+
+bool CH422GComponent::write_output_(uint8_t value) {
+  const uint8_t temp = 1;
+  if ((this->last_error_ = this->write(&temp, 1, false)) != esphome::i2c::ERROR_OK) {
+    this->status_set_warning(str_sprintf("write_output_(): I2C I/O error: %d", (int) this->last_error_).c_str());
+    return false;
+  }
+
+  uint8_t write_mask = value;
+  if ((this->last_error_ = this->bus_->write(CH422G_REG_OUT, &write_mask, 1)) != esphome::i2c::ERROR_OK) {
+    this->status_set_warning(
+        str_sprintf("write_output_(): I2C I/O error: %d for write_mask: %d", (int) this->last_error_, (int) write_mask)
+            .c_str());
+    return false;
+  }
+
+  this->state_mask_ = value;
+  this->status_clear_warning();
+  return true;
+}
+
+float CH422GComponent::get_setup_priority() const { return setup_priority::IO; }
+
+// Run our loop() method very early in the loop, so that we cache read values
+// before other components call our digital_read() method.
+float CH422GComponent::get_loop_priority() const { return 9.0f; }  // Just after WIFI
+
+void CH422GGPIOPin::setup() { pin_mode(flags_); }
+void CH422GGPIOPin::pin_mode(gpio::Flags flags) { this->parent_->pin_mode(this->pin_, flags); }
+bool CH422GGPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
+
+void CH422GGPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
+std::string CH422GGPIOPin::dump_summary() const { return str_sprintf("EXIO%u via CH422G", pin_); }
+
+}  // namespace ch422g
+}  // namespace esphome

esphome/components/ch422g/ch422g.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/hal.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace ch422g {
+
+class CH422GComponent : public Component, public i2c::I2CDevice {
+ public:
+  CH422GComponent() = default;
+
+  /// Check i2c availability and setup masks
+  void setup() override;
+  /// Poll for input changes periodically
+  void loop() override;
+  /// Helper function to read the value of a pin.
+  bool digital_read(uint8_t pin);
+  /// Helper function to write the value of a pin.
+  void digital_write(uint8_t pin, bool value);
+  /// Helper function to set the pin mode of a pin.
+  void pin_mode(uint8_t pin, gpio::Flags flags);
+
+  float get_setup_priority() const override;
+
+  float get_loop_priority() const override;
+
+  void dump_config() override;
+
+  void set_restore_value(bool restore_value) { this->restore_value_ = restore_value; }
+
+ protected:
+  bool read_inputs_();
+
+  bool write_output_(uint8_t value);
+
+  /// The mask to write as output state - 1 means HIGH, 0 means LOW
+  uint8_t state_mask_{0x00};
+  /// Flags to check if read previously during this loop
+  uint8_t pin_read_cache_ = {0x00};
+  /// Storage for last I2C error seen
+  esphome::i2c::ErrorCode last_error_;
+  /// Whether we want to override stored values on expander
+  bool restore_value_{false};
+};
+
+/// Helper class to expose a CH422G pin as an internal input GPIO pin.
+class CH422GGPIOPin : public GPIOPin {
+ public:
+  void setup() override;
+  void pin_mode(gpio::Flags flags) override;
+  bool digital_read() override;
+  void digital_write(bool value) override;
+  std::string dump_summary() const override;
+
+  void set_parent(CH422GComponent *parent) { parent_ = parent; }
+  void set_pin(uint8_t pin) { pin_ = pin; }
+  void set_inverted(bool inverted) { inverted_ = inverted; }
+  void set_flags(gpio::Flags flags) { flags_ = flags; }
+
+ protected:
+  CH422GComponent *parent_;
+  uint8_t pin_;
+  bool inverted_;
+  gpio::Flags flags_;
+};
+
+}  // namespace ch422g
+}  // namespace esphome

esphome/components/display/__init__.py

@@ -1,15 +1,15 @@
+from esphome import automation, core
+from esphome.automation import maybe_simple_id
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome import core, automation
-from esphome.automation import maybe_simple_id
 from esphome.const import (
     CONF_AUTO_CLEAR_ENABLED,
+    CONF_FROM,
     CONF_ID,
     CONF_LAMBDA,
-    CONF_PAGES,
     CONF_PAGE_ID,
+    CONF_PAGES,
     CONF_ROTATION,
-    CONF_FROM,
     CONF_TO,
     CONF_TRIGGER_ID,
 )
@@ -195,3 +195,4 @@ async def display_is_displaying_page_to_code(config, condition_id, template_arg,
 @coroutine_with_priority(100.0)
 async def to_code(config):
     cg.add_global(display_ns.using)
+    cg.add_define("USE_DISPLAY")

esphome/components/ethernet/ethernet_component.cpp

@@ -472,13 +472,13 @@ void EthernetComponent::start_connect_() {
     if (err != ESP_ERR_ESP_NETIF_DHCP_ALREADY_STARTED) {
       ESPHL_ERROR_CHECK(err, "DHCPC start error");
     }
-#if USE_NETWORK_IPV6
-    err = esp_netif_create_ip6_linklocal(this->eth_netif_);
-    if (err != ESP_OK) {
-      ESPHL_ERROR_CHECK(err, "Enable IPv6 link local failed");
-    }
-#endif /* USE_NETWORK_IPV6 */
   }
+#if USE_NETWORK_IPV6
+  err = esp_netif_create_ip6_linklocal(this->eth_netif_);
+  if (err != ESP_OK) {
+    ESPHL_ERROR_CHECK(err, "Enable IPv6 link local failed");
+  }
+#endif /* USE_NETWORK_IPV6 */
 
   this->connect_begin_ = millis();
   this->status_set_warning();

esphome/components/font/__init__.py

@@ -1,43 +1,35 @@
+import functools
 import hashlib
 import logging
-
-import functools
-from pathlib import Path
 import os
+from pathlib import Path
 import re
+
 from packaging import version
 import requests
 
-from esphome import core
+from esphome import core, external_files
-from esphome import external_files
-import esphome.config_validation as cv
 import esphome.codegen as cg
-from esphome.helpers import (
+import esphome.config_validation as cv
-    copy_file_if_changed,
-    cpp_string_escape,
-)
 from esphome.const import (
     CONF_FAMILY,
     CONF_FILE,
     CONF_GLYPHS,
     CONF_ID,
+    CONF_PATH,
     CONF_RAW_DATA_ID,
-    CONF_TYPE,
     CONF_REFRESH,
     CONF_SIZE,
-    CONF_PATH,
+    CONF_TYPE,
-    CONF_WEIGHT,
     CONF_URL,
+    CONF_WEIGHT,
 )
-from esphome.core import (
+from esphome.core import CORE, HexInt
-    CORE,
+from esphome.helpers import copy_file_if_changed, cpp_string_escape
-    HexInt,
-)
 
 _LOGGER = logging.getLogger(__name__)
 
 DOMAIN = "font"
-DEPENDENCIES = ["display"]
 MULTI_CONF = True
 
 CODEOWNERS = ["@esphome/core", "@clydebarrow"]
@@ -400,10 +392,7 @@ class EFont:
 
 
 def convert_bitmap_to_pillow_font(filepath):
-    from PIL import (
+    from PIL import BdfFontFile, PcfFontFile
-        PcfFontFile,
-        BdfFontFile,
-    )
 
     local_bitmap_font_file = external_files.compute_local_file_dir(
         DOMAIN,

esphome/components/font/font.cpp

@@ -1,9 +1,8 @@
 #include "font.h"
 
+#include "esphome/core/color.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/log.h"
-#include "esphome/core/color.h"
-#include "esphome/components/display/display_buffer.h"
 
 namespace esphome {
 namespace font {
@@ -68,6 +67,7 @@ int Font::match_next_glyph(const uint8_t *str, int *match_length) {
     return -1;
   return lo;
 }
+#ifdef USE_DISPLAY
 void Font::measure(const char *str, int *width, int *x_offset, int *baseline, int *height) {
   *baseline = this->baseline_;
   *height = this->height_;
@@ -164,6 +164,7 @@ void Font::print(int x_start, int y_start, display::Display *display, Color colo
     i += match_length;
   }
 }
+#endif
 
 }  // namespace font
 }  // namespace esphome

esphome/components/font/font.h

@@ -1,8 +1,11 @@
 #pragma once
 
-#include "esphome/core/datatypes.h"
 #include "esphome/core/color.h"
-#include "esphome/components/display/display_buffer.h"
+#include "esphome/core/datatypes.h"
+#include "esphome/core/defines.h"
+#ifdef USE_DISPLAY
+#include "esphome/components/display/display.h"
+#endif
 
 namespace esphome {
 namespace font {
@@ -38,7 +41,11 @@ class Glyph {
   const GlyphData *glyph_data_;
 };
 
-class Font : public display::BaseFont {
+class Font
+#ifdef USE_DISPLAY
+    : public display::BaseFont
+#endif
+{
  public:
   /** Construct the font with the given glyphs.
    *
@@ -50,9 +57,11 @@ class Font : public display::BaseFont {
 
   int match_next_glyph(const uint8_t *str, int *match_length);
 
+#ifdef USE_DISPLAY
   void print(int x_start, int y_start, display::Display *display, Color color, const char *text,
              Color background) override;
   void measure(const char *str, int *width, int *x_offset, int *baseline, int *height) override;
+#endif
   inline int get_baseline() { return this->baseline_; }
   inline int get_height() { return this->height_; }
   inline int get_bpp() { return this->bpp_; }

esphome/components/rpi_dpi_rgb/display.py

@@ -3,6 +3,7 @@ import esphome.config_validation as cv
 from esphome import pins
 from esphome.components import display
 from esphome.const import (
+    CONF_ENABLE_PIN,
     CONF_HSYNC_PIN,
     CONF_RESET_PIN,
     CONF_DATA_PINS,
@@ -112,6 +113,7 @@ CONFIG_SCHEMA = cv.All(
                 cv.Required(CONF_PCLK_PIN): pins.internal_gpio_output_pin_schema,
                 cv.Required(CONF_HSYNC_PIN): pins.internal_gpio_output_pin_schema,
                 cv.Required(CONF_VSYNC_PIN): pins.internal_gpio_output_pin_schema,
+                cv.Optional(CONF_ENABLE_PIN): pins.gpio_output_pin_schema,
                 cv.Optional(CONF_RESET_PIN): pins.gpio_output_pin_schema,
                 cv.Optional(CONF_HSYNC_PULSE_WIDTH, default=10): cv.int_,
                 cv.Optional(CONF_HSYNC_BACK_PORCH, default=10): cv.int_,
@@ -164,6 +166,10 @@ async def to_code(config):
         cg.add(var.add_data_pin(data_pin, index))
         index += 1
 
+    if enable_pin := config.get(CONF_ENABLE_PIN):
+        enable = await cg.gpio_pin_expression(enable_pin)
+        cg.add(var.set_enable_pin(enable))
+
     if reset_pin := config.get(CONF_RESET_PIN):
         reset = await cg.gpio_pin_expression(reset_pin)
         cg.add(var.set_reset_pin(reset))

esphome/components/rpi_dpi_rgb/rpi_dpi_rgb.cpp

@@ -104,12 +104,30 @@ void RpiDpiRgb::dump_config() {
   ESP_LOGCONFIG(TAG, "  Height: %u", this->height_);
   ESP_LOGCONFIG(TAG, "  Width: %u", this->width_);
   LOG_PIN("  DE Pin: ", this->de_pin_);
+  LOG_PIN("  Enable Pin: ", this->enable_pin_);
   LOG_PIN("  Reset Pin: ", this->reset_pin_);
   size_t data_pin_count = sizeof(this->data_pins_) / sizeof(this->data_pins_[0]);
   for (size_t i = 0; i != data_pin_count; i++)
     ESP_LOGCONFIG(TAG, "  Data pin %d: %s", i, (this->data_pins_[i])->dump_summary().c_str());
 }
 
+void RpiDpiRgb::reset_display_() const {
+  if (this->reset_pin_ != nullptr) {
+    this->reset_pin_->setup();
+    this->reset_pin_->digital_write(false);
+    if (this->enable_pin_ != nullptr) {
+      this->enable_pin_->setup();
+      this->enable_pin_->digital_write(false);
+    }
+    delay(1);
+    this->reset_pin_->digital_write(true);
+    if (this->enable_pin_ != nullptr) {
+      delay(11);
+      this->enable_pin_->digital_write(true);
+    }
+  }
+}
+
 }  // namespace rpi_dpi_rgb
 }  // namespace esphome
 

esphome/components/rpi_dpi_rgb/rpi_dpi_rgb.h

@@ -36,6 +36,7 @@ class RpiDpiRgb : public display::Display {
   void set_pclk_pin(InternalGPIOPin *pclk_pin) { this->pclk_pin_ = pclk_pin; }
   void set_vsync_pin(InternalGPIOPin *vsync_pin) { this->vsync_pin_ = vsync_pin; }
   void set_hsync_pin(InternalGPIOPin *hsync_pin) { this->hsync_pin_ = hsync_pin; }
+  void set_enable_pin(GPIOPin *enable_pin) { this->enable_pin_ = enable_pin; }
   void set_reset_pin(GPIOPin *reset_pin) { this->reset_pin_ = reset_pin; }
   void set_width(uint16_t width) { this->width_ = width; }
   void set_dimensions(uint16_t width, uint16_t height) {
@@ -62,10 +63,12 @@ class RpiDpiRgb : public display::Display {
  protected:
   int get_width_internal() override { return this->width_; }
   int get_height_internal() override { return this->height_; }
+  void reset_display_() const;
   InternalGPIOPin *de_pin_{nullptr};
   InternalGPIOPin *pclk_pin_{nullptr};
   InternalGPIOPin *hsync_pin_{nullptr};
   InternalGPIOPin *vsync_pin_{nullptr};
+  GPIOPin *enable_pin_{nullptr};
   GPIOPin *reset_pin_{nullptr};
   InternalGPIOPin *data_pins_[16] = {};
   uint16_t hsync_front_porch_ = 8;

esphome/components/udp/__init__.py

@@ -0,0 +1,158 @@
+import hashlib
+
+import esphome.codegen as cg
+from esphome.components.api import CONF_ENCRYPTION
+from esphome.components.binary_sensor import BinarySensor
+from esphome.components.sensor import Sensor
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_BINARY_SENSORS,
+    CONF_ID,
+    CONF_INTERNAL,
+    CONF_KEY,
+    CONF_NAME,
+    CONF_PORT,
+    CONF_SENSORS,
+)
+from esphome.cpp_generator import MockObjClass
+
+CODEOWNERS = ["@clydebarrow"]
+DEPENDENCIES = ["network"]
+AUTO_LOAD = ["socket"]
+MULTI_CONF = True
+
+udp_ns = cg.esphome_ns.namespace("udp")
+UDPComponent = udp_ns.class_("UDPComponent", cg.PollingComponent)
+
+CONF_BROADCAST = "broadcast"
+CONF_BROADCAST_ID = "broadcast_id"
+CONF_ADDRESSES = "addresses"
+CONF_PROVIDER = "provider"
+CONF_PROVIDERS = "providers"
+CONF_REMOTE_ID = "remote_id"
+CONF_UDP_ID = "udp_id"
+CONF_PING_PONG_ENABLE = "ping_pong_enable"
+CONF_PING_PONG_RECYCLE_TIME = "ping_pong_recycle_time"
+CONF_ROLLING_CODE_ENABLE = "rolling_code_enable"
+
+
+def sensor_validation(cls: MockObjClass):
+    return cv.maybe_simple_value(
+        cv.Schema(
+            {
+                cv.Required(CONF_ID): cv.use_id(cls),
+                cv.Optional(CONF_BROADCAST_ID): cv.validate_id_name,
+            }
+        ),
+        key=CONF_ID,
+    )
+
+
+ENCRYPTION_SCHEMA = {
+    cv.Optional(CONF_ENCRYPTION): cv.maybe_simple_value(
+        cv.Schema(
+            {
+                cv.Required(CONF_KEY): cv.string,
+            }
+        ),
+        key=CONF_KEY,
+    )
+}
+
+PROVIDER_SCHEMA = cv.Schema(
+    {
+        cv.Required(CONF_NAME): cv.valid_name,
+    }
+).extend(ENCRYPTION_SCHEMA)
+
+
+def validate_(config):
+    if CONF_ENCRYPTION in config:
+        if CONF_SENSORS not in config and CONF_BINARY_SENSORS not in config:
+            raise cv.Invalid("No sensors or binary sensors to encrypt")
+    elif config[CONF_ROLLING_CODE_ENABLE]:
+        raise cv.Invalid("Rolling code requires an encryption key")
+    if config[CONF_PING_PONG_ENABLE]:
+        if not any(CONF_ENCRYPTION in p for p in config.get(CONF_PROVIDERS) or ()):
+            raise cv.Invalid("Ping-pong requires at least one encrypted provider")
+    return config
+
+
+CONFIG_SCHEMA = cv.All(
+    cv.polling_component_schema("15s")
+    .extend(
+        {
+            cv.GenerateID(): cv.declare_id(UDPComponent),
+            cv.Optional(CONF_PORT, default=18511): cv.port,
+            cv.Optional(CONF_ADDRESSES, default=["255.255.255.255"]): cv.ensure_list(
+                cv.ipv4
+            ),
+            cv.Optional(CONF_ROLLING_CODE_ENABLE, default=False): cv.boolean,
+            cv.Optional(CONF_PING_PONG_ENABLE, default=False): cv.boolean,
+            cv.Optional(
+                CONF_PING_PONG_RECYCLE_TIME, default="600s"
+            ): cv.positive_time_period_seconds,
+            cv.Optional(CONF_SENSORS): cv.ensure_list(sensor_validation(Sensor)),
+            cv.Optional(CONF_BINARY_SENSORS): cv.ensure_list(
+                sensor_validation(BinarySensor)
+            ),
+            cv.Optional(CONF_PROVIDERS): cv.ensure_list(PROVIDER_SCHEMA),
+        },
+    )
+    .extend(ENCRYPTION_SCHEMA),
+    validate_,
+)
+
+SENSOR_SCHEMA = cv.Schema(
+    {
+        cv.Optional(CONF_REMOTE_ID): cv.string_strict,
+        cv.Required(CONF_PROVIDER): cv.valid_name,
+        cv.GenerateID(CONF_UDP_ID): cv.use_id(UDPComponent),
+    }
+)
+
+
+def require_internal_with_name(config):
+    if CONF_NAME in config and CONF_INTERNAL not in config:
+        raise cv.Invalid("Must provide internal: config when using name:")
+    return config
+
+
+def hash_encryption_key(config: dict):
+    return list(hashlib.sha256(config[CONF_KEY].encode()).digest())
+
+
+async def to_code(config):
+    cg.add_define("USE_UDP")
+    cg.add_global(udp_ns.using)
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    cg.add(var.set_port(config[CONF_PORT]))
+    cg.add(var.set_rolling_code_enable(config[CONF_ROLLING_CODE_ENABLE]))
+    cg.add(var.set_ping_pong_enable(config[CONF_PING_PONG_ENABLE]))
+    cg.add(
+        var.set_ping_pong_recycle_time(
+            config[CONF_PING_PONG_RECYCLE_TIME].total_seconds
+        )
+    )
+    for sens_conf in config.get(CONF_SENSORS, ()):
+        sens_id = sens_conf[CONF_ID]
+        sensor = await cg.get_variable(sens_id)
+        bcst_id = sens_conf.get(CONF_BROADCAST_ID, sens_id.id)
+        cg.add(var.add_sensor(bcst_id, sensor))
+    for sens_conf in config.get(CONF_BINARY_SENSORS, ()):
+        sens_id = sens_conf[CONF_ID]
+        sensor = await cg.get_variable(sens_id)
+        bcst_id = sens_conf.get(CONF_BROADCAST_ID, sens_id.id)
+        cg.add(var.add_binary_sensor(bcst_id, sensor))
+    for address in config[CONF_ADDRESSES]:
+        cg.add(var.add_address(str(address)))
+
+    if encryption := config.get(CONF_ENCRYPTION):
+        cg.add(var.set_encryption_key(hash_encryption_key(encryption)))
+
+    for provider in config.get(CONF_PROVIDERS, ()):
+        name = provider[CONF_NAME]
+        cg.add(var.add_provider(name))
+        if encryption := provider.get(CONF_ENCRYPTION):
+            cg.add(var.set_provider_encryption(name, hash_encryption_key(encryption)))

esphome/components/udp/binary_sensor.py

@@ -0,0 +1,27 @@
+import esphome.codegen as cg
+from esphome.components import binary_sensor
+from esphome.config_validation import All, has_at_least_one_key
+from esphome.const import CONF_ID
+
+from . import (
+    CONF_PROVIDER,
+    CONF_REMOTE_ID,
+    CONF_UDP_ID,
+    SENSOR_SCHEMA,
+    require_internal_with_name,
+)
+
+DEPENDENCIES = ["udp"]
+
+CONFIG_SCHEMA = All(
+    binary_sensor.binary_sensor_schema().extend(SENSOR_SCHEMA),
+    has_at_least_one_key(CONF_ID, CONF_REMOTE_ID),
+    require_internal_with_name,
+)
+
+
+async def to_code(config):
+    var = await binary_sensor.new_binary_sensor(config)
+    comp = await cg.get_variable(config[CONF_UDP_ID])
+    remote_id = str(config.get(CONF_REMOTE_ID) or config.get(CONF_ID))
+    cg.add(comp.add_remote_binary_sensor(config[CONF_PROVIDER], remote_id, var))

esphome/components/udp/sensor.py

@@ -0,0 +1,27 @@
+import esphome.codegen as cg
+from esphome.components.sensor import new_sensor, sensor_schema
+from esphome.config_validation import All, has_at_least_one_key
+from esphome.const import CONF_ID
+
+from . import (
+    CONF_PROVIDER,
+    CONF_REMOTE_ID,
+    CONF_UDP_ID,
+    SENSOR_SCHEMA,
+    require_internal_with_name,
+)
+
+DEPENDENCIES = ["udp"]
+
+CONFIG_SCHEMA = All(
+    sensor_schema().extend(SENSOR_SCHEMA),
+    has_at_least_one_key(CONF_ID, CONF_REMOTE_ID),
+    require_internal_with_name,
+)
+
+
+async def to_code(config):
+    var = await new_sensor(config)
+    comp = await cg.get_variable(config[CONF_UDP_ID])
+    remote_id = str(config.get(CONF_REMOTE_ID) or config.get(CONF_ID))
+    cg.add(comp.add_remote_sensor(config[CONF_PROVIDER], remote_id, var))

esphome/components/udp/udp_component.cpp

@@ -0,0 +1,616 @@
+#include "esphome/core/log.h"
+#include "esphome/core/application.h"
+#include "esphome/components/network/util.h"
+#include "udp_component.h"
+
+namespace esphome {
+namespace udp {
+
+/**
+ * Structure of a data packet; everything is little-endian
+ *
+ * --- In clear text ---
+ * MAGIC_NUMBER: 16 bits
+ * host name length: 1 byte
+ * host name: (length) bytes
+ * padding: 0 or more null bytes to a 4 byte boundary
+ *
+ * --- Encrypted (if key set) ----
+ * DATA_KEY: 1 byte: OR ROLLING_CODE_KEY:
+ *  Rolling code (if enabled): 8 bytes
+ * Ping keys: if any
+ * repeat:
+ *      PING_KEY: 1 byte
+ *      ping code: 4 bytes
+ * Sensors:
+ * repeat:
+ *      SENSOR_KEY: 1 byte
+ *      float value: 4 bytes
+ *      name length: 1 byte
+ *      name
+ * Binary Sensors:
+ * repeat:
+ *      BINARY_SENSOR_KEY: 1 byte
+ *      bool value: 1 bytes
+ *      name length: 1 byte
+ *      name
+ *
+ * Padded to a 4 byte boundary with nulls
+ *
+ * Structure of a ping request packet:
+ * --- In clear text ---
+ * MAGIC_PING: 16 bits
+ * host name length: 1 byte
+ * host name: (length) bytes
+ * Ping key (4 bytes)
+ *
+ */
+static const char *const TAG = "udp";
+
+/**
+ * XXTEA implementation, using 256 bit key.
+ */
+
+static const uint32_t DELTA = 0x9e3779b9;
+#define MX ((((z >> 5) ^ (y << 2)) + ((y >> 3) ^ (z << 4))) ^ ((sum ^ y) + (k[(p ^ e) & 7] ^ z)))
+
+/**
+ * Encrypt a block of data in-place
+ */
+
+static void xxtea_encrypt(uint32_t *v, size_t n, const uint32_t *k) {
+  uint32_t z, y, sum, e;
+  size_t p;
+  size_t q = 6 + 52 / n;
+  sum = 0;
+  z = v[n - 1];
+  while (q-- != 0) {
+    sum += DELTA;
+    e = (sum >> 2);
+    for (p = 0; p != n - 1; p++) {
+      y = v[p + 1];
+      z = v[p] += MX;
+    }
+    y = v[0];
+    z = v[n - 1] += MX;
+  }
+}
+
+static void xxtea_decrypt(uint32_t *v, size_t n, const uint32_t *k) {
+  uint32_t z, y, sum, e;
+  size_t p;
+  size_t q = 6 + 52 / n;
+  sum = q * DELTA;
+  y = v[0];
+  while (q-- != 0) {
+    e = (sum >> 2);
+    for (p = n - 1; p != 0; p--) {
+      z = v[p - 1];
+      y = v[p] -= MX;
+    }
+    z = v[n - 1];
+    y = v[0] -= MX;
+    sum -= DELTA;
+  }
+}
+
+inline static size_t round4(size_t value) { return (value + 3) & ~3; }
+
+union FuData {
+  uint32_t u32;
+  float f32;
+};
+
+static const size_t MAX_PACKET_SIZE = 508;
+static const uint16_t MAGIC_NUMBER = 0x4553;
+static const uint16_t MAGIC_PING = 0x5048;
+static const uint32_t PREF_HASH = 0x45535043;
+enum DataKey {
+  ZERO_FILL_KEY,
+  DATA_KEY,
+  SENSOR_KEY,
+  BINARY_SENSOR_KEY,
+  PING_KEY,
+  ROLLING_CODE_KEY,
+};
+
+static const size_t MAX_PING_KEYS = 4;
+
+static inline void add(std::vector<uint8_t> &vec, uint32_t data) {
+  vec.push_back(data & 0xFF);
+  vec.push_back((data >> 8) & 0xFF);
+  vec.push_back((data >> 16) & 0xFF);
+  vec.push_back((data >> 24) & 0xFF);
+}
+
+static inline uint32_t get_uint32(uint8_t *&buf) {
+  uint32_t data = *buf++;
+  data += *buf++ << 8;
+  data += *buf++ << 16;
+  data += *buf++ << 24;
+  return data;
+}
+
+static inline uint16_t get_uint16(uint8_t *&buf) {
+  uint16_t data = *buf++;
+  data += *buf++ << 8;
+  return data;
+}
+
+static inline void add(std::vector<uint8_t> &vec, uint8_t data) { vec.push_back(data); }
+static inline void add(std::vector<uint8_t> &vec, uint16_t data) {
+  vec.push_back((uint8_t) data);
+  vec.push_back((uint8_t) (data >> 8));
+}
+static inline void add(std::vector<uint8_t> &vec, DataKey data) { vec.push_back(data); }
+static void add(std::vector<uint8_t> &vec, const char *str) {
+  auto len = strlen(str);
+  vec.push_back(len);
+  for (size_t i = 0; i != len; i++) {
+    vec.push_back(*str++);
+  }
+}
+
+void UDPComponent::setup() {
+  this->name_ = App.get_name().c_str();
+  if (strlen(this->name_) > 255) {
+    this->mark_failed();
+    this->status_set_error("Device name exceeds 255 chars");
+    return;
+  }
+  this->resend_ping_key_ = this->ping_pong_enable_;
+  // restore the upper 32 bits of the rolling code, increment and save.
+  this->pref_ = global_preferences->make_preference<uint32_t>(PREF_HASH, true);
+  this->pref_.load(&this->rolling_code_[1]);
+  this->rolling_code_[1]++;
+  this->pref_.save(&this->rolling_code_[1]);
+  this->ping_key_ = random_uint32();
+  ESP_LOGV(TAG, "Rolling code incremented, upper part now %u", (unsigned) this->rolling_code_[1]);
+#ifdef USE_SENSOR
+  for (auto &sensor : this->sensors_) {
+    sensor.sensor->add_on_state_callback([this, &sensor](float x) {
+      this->updated_ = true;
+      sensor.updated = true;
+    });
+  }
+#endif
+#ifdef USE_BINARY_SENSOR
+  for (auto &sensor : this->binary_sensors_) {
+    sensor.sensor->add_on_state_callback([this, &sensor](bool value) {
+      this->updated_ = true;
+      sensor.updated = true;
+    });
+  }
+#endif
+  this->should_send_ = this->ping_pong_enable_;
+#ifdef USE_SENSOR
+  this->should_send_ |= !this->sensors_.empty();
+#endif
+#ifdef USE_BINARY_SENSOR
+  this->should_send_ |= !this->binary_sensors_.empty();
+#endif
+  this->should_listen_ = !this->providers_.empty() || this->is_encrypted_();
+  // initialise the header. This is invariant.
+  add(this->header_, MAGIC_NUMBER);
+  add(this->header_, this->name_);
+  // pad to a multiple of 4 bytes
+  while (this->header_.size() & 0x3)
+    this->header_.push_back(0);
+#if defined(USE_SOCKET_IMPL_BSD_SOCKETS) || defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
+  for (const auto &address : this->addresses_) {
+    struct sockaddr saddr {};
+    socket::set_sockaddr(&saddr, sizeof(saddr), address, this->port_);
+    this->sockaddrs_.push_back(saddr);
+  }
+  // set up broadcast socket
+  if (this->should_send_) {
+    this->broadcast_socket_ = socket::socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
+    if (this->broadcast_socket_ == nullptr) {
+      this->mark_failed();
+      this->status_set_error("Could not create socket");
+      return;
+    }
+    int enable = 1;
+    auto err = this->broadcast_socket_->setsockopt(SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int));
+    if (err != 0) {
+      this->status_set_warning("Socket unable to set reuseaddr");
+      // we can still continue
+    }
+    err = this->broadcast_socket_->setsockopt(SOL_SOCKET, SO_BROADCAST, &enable, sizeof(int));
+    if (err != 0) {
+      this->status_set_warning("Socket unable to set broadcast");
+    }
+  }
+  // create listening socket if we either want to subscribe to providers, or need to listen
+  // for ping key broadcasts.
+  if (this->should_listen_) {
+    this->listen_socket_ = socket::socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
+    if (this->listen_socket_ == nullptr) {
+      this->mark_failed();
+      this->status_set_error("Could not create socket");
+      return;
+    }
+    auto err = this->listen_socket_->setblocking(false);
+    if (err < 0) {
+      ESP_LOGE(TAG, "Unable to set nonblocking: errno %d", errno);
+      this->mark_failed();
+      this->status_set_error("Unable to set nonblocking");
+      return;
+    }
+    int enable = 1;
+    err = this->listen_socket_->setsockopt(SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable));
+    if (err != 0) {
+      this->status_set_warning("Socket unable to set reuseaddr");
+      // we can still continue
+    }
+    struct sockaddr_in server {};
+
+    socklen_t sl = socket::set_sockaddr_any((struct sockaddr *) &server, sizeof(server), this->port_);
+    if (sl == 0) {
+      ESP_LOGE(TAG, "Socket unable to set sockaddr: errno %d", errno);
+      this->mark_failed();
+      this->status_set_error("Unable to set sockaddr");
+      return;
+    }
+
+    err = this->listen_socket_->bind((struct sockaddr *) &server, sizeof(server));
+    if (err != 0) {
+      ESP_LOGE(TAG, "Socket unable to bind: errno %d", errno);
+      this->mark_failed();
+      this->status_set_error("Unable to bind socket");
+      return;
+    }
+  }
+#else
+  // 8266 and RP2040 `Duino
+  for (const auto &address : this->addresses_) {
+    auto ipaddr = IPAddress();
+    ipaddr.fromString(address.c_str());
+    this->ipaddrs_.push_back(ipaddr);
+  }
+  if (this->should_listen_)
+    this->udp_client_.begin(this->port_);
+#endif
+}
+
+void UDPComponent::init_data_() {
+  this->data_.clear();
+  if (this->rolling_code_enable_) {
+    add(this->data_, ROLLING_CODE_KEY);
+    add(this->data_, this->rolling_code_[0]);
+    add(this->data_, this->rolling_code_[1]);
+    this->increment_code_();
+  } else {
+    add(this->data_, DATA_KEY);
+  }
+  for (auto pkey : this->ping_keys_) {
+    add(this->data_, PING_KEY);
+    add(this->data_, pkey.second);
+  }
+}
+
+void UDPComponent::flush_() {
+  if (!network::is_connected() || this->data_.empty())
+    return;
+  uint32_t buffer[MAX_PACKET_SIZE / 4];
+  memset(buffer, 0, sizeof buffer);
+  // len must be a multiple of 4
+  auto header_len = round4(this->header_.size()) / 4;
+  auto len = round4(data_.size()) / 4;
+  memcpy(buffer, this->header_.data(), this->header_.size());
+  memcpy(buffer + header_len, this->data_.data(), this->data_.size());
+  if (this->is_encrypted_()) {
+    xxtea_encrypt(buffer + header_len, len, (uint32_t *) this->encryption_key_.data());
+  }
+  auto total_len = (header_len + len) * 4;
+  this->send_packet_(buffer, total_len);
+}
+
+void UDPComponent::add_binary_data_(uint8_t key, const char *id, bool data) {
+  auto len = 1 + 1 + 1 + strlen(id);
+  if (len + this->header_.size() + this->data_.size() > MAX_PACKET_SIZE) {
+    this->flush_();
+  }
+  add(this->data_, key);
+  add(this->data_, (uint8_t) data);
+  add(this->data_, id);
+}
+void UDPComponent::add_data_(uint8_t key, const char *id, float data) {
+  FuData udata{.f32 = data};
+  this->add_data_(key, id, udata.u32);
+}
+
+void UDPComponent::add_data_(uint8_t key, const char *id, uint32_t data) {
+  auto len = 4 + 1 + 1 + strlen(id);
+  if (len + this->header_.size() + this->data_.size() > MAX_PACKET_SIZE) {
+    this->flush_();
+  }
+  add(this->data_, key);
+  add(this->data_, data);
+  add(this->data_, id);
+}
+void UDPComponent::send_data_(bool all) {
+  if (!this->should_send_ || !network::is_connected())
+    return;
+  this->init_data_();
+#ifdef USE_SENSOR
+  for (auto &sensor : this->sensors_) {
+    if (all || sensor.updated) {
+      sensor.updated = false;
+      this->add_data_(SENSOR_KEY, sensor.id, sensor.sensor->get_state());
+    }
+  }
+#endif
+#ifdef USE_BINARY_SENSOR
+  for (auto &sensor : this->binary_sensors_) {
+    if (all || sensor.updated) {
+      sensor.updated = false;
+      this->add_binary_data_(BINARY_SENSOR_KEY, sensor.id, sensor.sensor->state);
+    }
+  }
+#endif
+  this->flush_();
+  this->updated_ = false;
+  this->resend_data_ = false;
+}
+
+void UDPComponent::update() {
+  this->updated_ = true;
+  this->resend_data_ = this->should_send_;
+  auto now = millis() / 1000;
+  if (this->last_key_time_ + this->ping_pong_recyle_time_ < now) {
+    this->resend_ping_key_ = this->ping_pong_enable_;
+    this->last_key_time_ = now;
+  }
+}
+
+void UDPComponent::loop() {
+  uint8_t buf[MAX_PACKET_SIZE];
+  if (this->should_listen_) {
+    for (;;) {
+#if defined(USE_SOCKET_IMPL_BSD_SOCKETS) || defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
+      auto len = this->listen_socket_->read(buf, sizeof(buf));
+#else
+      auto len = this->udp_client_.parsePacket();
+      if (len > 0)
+        len = this->udp_client_.read(buf, sizeof(buf));
+#endif
+      if (len > 0) {
+        this->process_(buf, len);
+        continue;
+      }
+      break;
+    }
+  }
+  if (this->resend_ping_key_)
+    this->send_ping_pong_request_();
+  if (this->updated_) {
+    this->send_data_(this->resend_data_);
+  }
+}
+
+void UDPComponent::add_key_(const char *name, uint32_t key) {
+  if (!this->is_encrypted_())
+    return;
+  if (this->ping_keys_.count(name) == 0 && this->ping_keys_.size() == MAX_PING_KEYS) {
+    ESP_LOGW(TAG, "Ping key from %s discarded", name);
+    return;
+  }
+  this->ping_keys_[name] = key;
+  this->resend_data_ = true;
+  ESP_LOGV(TAG, "Ping key from %s now %X", name, (unsigned) key);
+}
+
+void UDPComponent::process_ping_request_(const char *name, uint8_t *ptr, size_t len) {
+  if (len != 4) {
+    ESP_LOGW(TAG, "Bad ping request");
+    return;
+  }
+  auto key = get_uint32(ptr);
+  this->add_key_(name, key);
+  ESP_LOGV(TAG, "Updated ping key for %s to %08X", name, (unsigned) key);
+}
+
+static bool process_rolling_code(Provider &provider, uint8_t *&buf, const uint8_t *end) {
+  if (end - buf < 8)
+    return false;
+  auto code0 = get_uint32(buf);
+  auto code1 = get_uint32(buf);
+  if (code1 < provider.last_code[1] || (code1 == provider.last_code[1] && code0 <= provider.last_code[0])) {
+    ESP_LOGW(TAG, "Rolling code for %s %08lX:%08lX is old", provider.name, (unsigned long) code1,
+             (unsigned long) code0);
+    return false;
+  }
+  provider.last_code[0] = code0;
+  provider.last_code[1] = code1;
+  return true;
+}
+
+/**
+ * Process a received packet
+ */
+void UDPComponent::process_(uint8_t *buf, const size_t len) {
+  auto ping_key_seen = !this->ping_pong_enable_;
+  if (len < 8) {
+    return ESP_LOGV(TAG, "Bad length %zu", len);
+  }
+  char namebuf[256]{};
+  uint8_t byte;
+  uint8_t *start_ptr = buf;
+  const uint8_t *end = buf + len;
+  FuData rdata{};
+  auto magic = get_uint16(buf);
+  if (magic != MAGIC_NUMBER && magic != MAGIC_PING)
+    return ESP_LOGV(TAG, "Bad magic %X", magic);
+
+  auto hlen = *buf++;
+  if (hlen > len - 3) {
+    return ESP_LOGV(TAG, "Bad hostname length %u > %zu", hlen, len - 3);
+  }
+  memcpy(namebuf, buf, hlen);
+  if (strcmp(this->name_, namebuf) == 0) {
+    return ESP_LOGV(TAG, "Ignoring our own data");
+  }
+  buf += hlen;
+  if (magic == MAGIC_PING)
+    return this->process_ping_request_(namebuf, buf, end - buf);
+  if (round4(len) != len) {
+    return ESP_LOGW(TAG, "Bad length %zu", len);
+  }
+  hlen = round4(hlen + 3);
+  buf = start_ptr + hlen;
+  if (buf == end) {
+    return ESP_LOGV(TAG, "No data after header");
+  }
+
+  if (this->providers_.count(namebuf) == 0) {
+    return ESP_LOGVV(TAG, "Unknown hostname %s", namebuf);
+  }
+  auto &provider = this->providers_[namebuf];
+  // if encryption not used with this host, ping check is pointless since it would be easily spoofed.
+  if (provider.encryption_key.empty())
+    ping_key_seen = true;
+
+  ESP_LOGV(TAG, "Found hostname %s", namebuf);
+#ifdef USE_SENSOR
+  auto &sensors = this->remote_sensors_[namebuf];
+#endif
+#ifdef USE_BINARY_SENSOR
+  auto &binary_sensors = this->remote_binary_sensors_[namebuf];
+#endif
+
+  if (!provider.encryption_key.empty()) {
+    xxtea_decrypt((uint32_t *) buf, (end - buf) / 4, (uint32_t *) provider.encryption_key.data());
+  }
+  byte = *buf++;
+  if (byte == ROLLING_CODE_KEY) {
+    if (!process_rolling_code(provider, buf, end))
+      return;
+  } else if (byte != DATA_KEY) {
+    return ESP_LOGV(TAG, "Expected rolling_key or data_key, got %X", byte);
+  }
+  while (buf < end) {
+    byte = *buf++;
+    if (byte == ZERO_FILL_KEY)
+      continue;
+    if (byte == PING_KEY) {
+      if (end - buf < 4) {
+        return ESP_LOGV(TAG, "PING_KEY requires 4 more bytes");
+      }
+      auto key = get_uint32(buf);
+      if (key == this->ping_key_) {
+        ping_key_seen = true;
+        ESP_LOGV(TAG, "Found good ping key %X", (unsigned) key);
+      } else {
+        ESP_LOGV(TAG, "Unknown ping key %X", (unsigned) key);
+      }
+      continue;
+    }
+    if (!ping_key_seen) {
+      ESP_LOGW(TAG, "Ping key not seen");
+      this->resend_ping_key_ = true;
+      break;
+    }
+    if (byte == BINARY_SENSOR_KEY) {
+      if (end - buf < 3) {
+        return ESP_LOGV(TAG, "Binary sensor key requires at least 3 more bytes");
+      }
+      rdata.u32 = *buf++;
+    } else if (byte == SENSOR_KEY) {
+      if (end - buf < 6) {
+        return ESP_LOGV(TAG, "Sensor key requires at least 6 more bytes");
+      }
+      rdata.u32 = get_uint32(buf);
+    } else {
+      return ESP_LOGW(TAG, "Unknown key byte %X", byte);
+    }
+
+    hlen = *buf++;
+    if (end - buf < hlen) {
+      return ESP_LOGV(TAG, "Name length of %u not available", hlen);
+    }
+    memset(namebuf, 0, sizeof namebuf);
+    memcpy(namebuf, buf, hlen);
+    ESP_LOGV(TAG, "Found sensor key %d, id %s, data %lX", byte, namebuf, (unsigned long) rdata.u32);
+    buf += hlen;
+#ifdef USE_SENSOR
+    if (byte == SENSOR_KEY && sensors.count(namebuf) != 0)
+      sensors[namebuf]->publish_state(rdata.f32);
+#endif
+#ifdef USE_BINARY_SENSOR
+    if (byte == BINARY_SENSOR_KEY && binary_sensors.count(namebuf) != 0)
+      binary_sensors[namebuf]->publish_state(rdata.u32 != 0);
+#endif
+  }
+}
+
+void UDPComponent::dump_config() {
+  ESP_LOGCONFIG(TAG, "UDP:");
+  ESP_LOGCONFIG(TAG, "  Port: %u", this->port_);
+  ESP_LOGCONFIG(TAG, "  Encrypted: %s", YESNO(this->is_encrypted_()));
+  ESP_LOGCONFIG(TAG, "  Ping-pong: %s", YESNO(this->ping_pong_enable_));
+  for (const auto &address : this->addresses_)
+    ESP_LOGCONFIG(TAG, "  Address: %s", address.c_str());
+#ifdef USE_SENSOR
+  for (auto sensor : this->sensors_)
+    ESP_LOGCONFIG(TAG, "  Sensor: %s", sensor.id);
+#endif
+#ifdef USE_BINARY_SENSOR
+  for (auto sensor : this->binary_sensors_)
+    ESP_LOGCONFIG(TAG, "  Binary Sensor: %s", sensor.id);
+#endif
+  for (const auto &host : this->providers_) {
+    ESP_LOGCONFIG(TAG, "  Remote host: %s", host.first.c_str());
+    ESP_LOGCONFIG(TAG, "    Encrypted: %s", YESNO(!host.second.encryption_key.empty()));
+#ifdef USE_SENSOR
+    for (const auto &sensor : this->remote_sensors_[host.first.c_str()])
+      ESP_LOGCONFIG(TAG, "    Sensor: %s", sensor.first.c_str());
+#endif
+#ifdef USE_BINARY_SENSOR
+    for (const auto &sensor : this->remote_binary_sensors_[host.first.c_str()])
+      ESP_LOGCONFIG(TAG, "    Binary Sensor: %s", sensor.first.c_str());
+#endif
+  }
+}
+void UDPComponent::increment_code_() {
+  if (this->rolling_code_enable_) {
+    if (++this->rolling_code_[0] == 0) {
+      this->rolling_code_[1]++;
+      this->pref_.save(&this->rolling_code_[1]);
+    }
+  }
+}
+void UDPComponent::send_packet_(void *data, size_t len) {
+#if defined(USE_SOCKET_IMPL_BSD_SOCKETS) || defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
+  for (const auto &saddr : this->sockaddrs_) {
+    auto result = this->broadcast_socket_->sendto(data, len, 0, &saddr, sizeof(saddr));
+    if (result < 0)
+      ESP_LOGW(TAG, "sendto() error %d", errno);
+  }
+#else
+  auto iface = IPAddress(0, 0, 0, 0);
+  for (const auto &saddr : this->ipaddrs_) {
+    if (this->udp_client_.beginPacketMulticast(saddr, this->port_, iface, 128) != 0) {
+      this->udp_client_.write((const uint8_t *) data, len);
+      auto result = this->udp_client_.endPacket();
+      if (result == 0)
+        ESP_LOGW(TAG, "udp.write() error");
+    }
+  }
+#endif
+}
+
+void UDPComponent::send_ping_pong_request_() {
+  if (!this->ping_pong_enable_ || !network::is_connected())
+    return;
+  this->ping_key_ = random_uint32();
+  this->ping_header_.clear();
+  add(this->ping_header_, MAGIC_PING);
+  add(this->ping_header_, this->name_);
+  add(this->ping_header_, this->ping_key_);
+  this->send_packet_(this->ping_header_.data(), this->ping_header_.size());
+  this->resend_ping_key_ = false;
+  ESP_LOGV(TAG, "Sent new ping request %08X", (unsigned) this->ping_key_);
+}
+}  // namespace udp
+}  // namespace esphome

esphome/components/udp/udp_component.h

@@ -0,0 +1,158 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#ifdef USE_SENSOR
+#include "esphome/components/sensor/sensor.h"
+#endif
+#ifdef USE_BINARY_SENSOR
+#include "esphome/components/binary_sensor/binary_sensor.h"
+#endif
+#if defined(USE_SOCKET_IMPL_BSD_SOCKETS) || defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
+#include "esphome/components/socket/socket.h"
+#else
+#include <WiFiUdp.h>
+#endif
+#include <vector>
+#include <map>
+
+namespace esphome {
+namespace udp {
+
+struct Provider {
+  std::vector<uint8_t> encryption_key;
+  const char *name;
+  uint32_t last_code[2];
+};
+
+#ifdef USE_SENSOR
+struct Sensor {
+  sensor::Sensor *sensor;
+  const char *id;
+  bool updated;
+};
+#endif
+#ifdef USE_BINARY_SENSOR
+struct BinarySensor {
+  binary_sensor::BinarySensor *sensor;
+  const char *id;
+  bool updated;
+};
+#endif
+
+class UDPComponent : public PollingComponent {
+ public:
+  void setup() override;
+  void loop() override;
+  void update() override;
+  void dump_config() override;
+
+#ifdef USE_SENSOR
+  void add_sensor(const char *id, sensor::Sensor *sensor) {
+    Sensor st{sensor, id, true};
+    this->sensors_.push_back(st);
+  }
+  void add_remote_sensor(const char *hostname, const char *remote_id, sensor::Sensor *sensor) {
+    this->add_provider(hostname);
+    this->remote_sensors_[hostname][remote_id] = sensor;
+  }
+#endif
+#ifdef USE_BINARY_SENSOR
+  void add_binary_sensor(const char *id, binary_sensor::BinarySensor *sensor) {
+    BinarySensor st{sensor, id, true};
+    this->binary_sensors_.push_back(st);
+  }
+
+  void add_remote_binary_sensor(const char *hostname, const char *remote_id, binary_sensor::BinarySensor *sensor) {
+    this->add_provider(hostname);
+    this->remote_binary_sensors_[hostname][remote_id] = sensor;
+  }
+#endif
+  void add_address(const char *addr) { this->addresses_.emplace_back(addr); }
+  void set_port(uint16_t port) { this->port_ = port; }
+  float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
+
+  void add_provider(const char *hostname) {
+    if (this->providers_.count(hostname) == 0) {
+      Provider provider;
+      provider.encryption_key = std::vector<uint8_t>{};
+      provider.last_code[0] = 0;
+      provider.last_code[1] = 0;
+      provider.name = hostname;
+      this->providers_[hostname] = provider;
+#ifdef USE_SENSOR
+      this->remote_sensors_[hostname] = std::map<std::string, sensor::Sensor *>();
+#endif
+#ifdef USE_BINARY_SENSOR
+      this->remote_binary_sensors_[hostname] = std::map<std::string, binary_sensor::BinarySensor *>();
+#endif
+    }
+  }
+
+  void set_encryption_key(std::vector<uint8_t> key) { this->encryption_key_ = std::move(key); }
+  void set_rolling_code_enable(bool enable) { this->rolling_code_enable_ = enable; }
+  void set_ping_pong_enable(bool enable) { this->ping_pong_enable_ = enable; }
+  void set_ping_pong_recycle_time(uint32_t recycle_time) { this->ping_pong_recyle_time_ = recycle_time; }
+  void set_provider_encryption(const char *name, std::vector<uint8_t> key) {
+    this->providers_[name].encryption_key = std::move(key);
+  }
+
+ protected:
+  void send_data_(bool all);
+  void process_(uint8_t *buf, size_t len);
+  void flush_();
+  void add_data_(uint8_t key, const char *id, float data);
+  void add_data_(uint8_t key, const char *id, uint32_t data);
+  void increment_code_();
+  void add_binary_data_(uint8_t key, const char *id, bool data);
+  void init_data_();
+
+  bool updated_{};
+  uint16_t port_{18511};
+  uint32_t ping_key_{};
+  uint32_t rolling_code_[2]{};
+  bool rolling_code_enable_{};
+  bool ping_pong_enable_{};
+  uint32_t ping_pong_recyle_time_{};
+  uint32_t last_key_time_{};
+  bool resend_ping_key_{};
+  bool resend_data_{};
+  bool should_send_{};
+  const char *name_{};
+  bool should_listen_{};
+  ESPPreferenceObject pref_;
+
+#if defined(USE_SOCKET_IMPL_BSD_SOCKETS) || defined(USE_SOCKET_IMPL_LWIP_SOCKETS)
+  std::unique_ptr<socket::Socket> broadcast_socket_ = nullptr;
+  std::unique_ptr<socket::Socket> listen_socket_ = nullptr;
+  std::vector<struct sockaddr> sockaddrs_{};
+#else
+  std::vector<IPAddress> ipaddrs_{};
+  WiFiUDP udp_client_{};
+#endif
+  std::vector<uint8_t> encryption_key_{};
+  std::vector<std::string> addresses_{};
+
+#ifdef USE_SENSOR
+  std::vector<Sensor> sensors_{};
+  std::map<std::string, std::map<std::string, sensor::Sensor *>> remote_sensors_{};
+#endif
+#ifdef USE_BINARY_SENSOR
+  std::vector<BinarySensor> binary_sensors_{};
+  std::map<std::string, std::map<std::string, binary_sensor::BinarySensor *>> remote_binary_sensors_{};
+#endif
+
+  std::map<std::string, Provider> providers_{};
+  std::vector<uint8_t> ping_header_{};
+  std::vector<uint8_t> header_{};
+  std::vector<uint8_t> data_{};
+  std::map<const char *, uint32_t> ping_keys_{};
+  void add_key_(const char *name, uint32_t key);
+  void send_ping_pong_request_();
+  void send_packet_(void *data, size_t len);
+  void process_ping_request_(const char *name, uint8_t *ptr, size_t len);
+
+  inline bool is_encrypted_() { return !this->encryption_key_.empty(); }
+};
+
+}  // namespace udp
+}  // namespace esphome

esphome/core/defines.h

@@ -25,6 +25,7 @@
 #define USE_DATETIME_DATETIME
 #define USE_DATETIME_TIME
 #define USE_DEEP_SLEEP
+#define USE_DISPLAY
 #define USE_EVENT
 #define USE_FAN
 #define USE_GRAPH

esphome/storage_json.py

@@ -48,6 +48,8 @@ class StorageJSON:
         firmware_bin_path: str,
         loaded_integrations: set[str],
         no_mdns: bool,
+        framework: str | None = None,
+        core_platform: str | None = None,
     ) -> None:
         # Version of the storage JSON schema
         assert storage_version is None or isinstance(storage_version, int)
@@ -78,6 +80,10 @@ class StorageJSON:
         self.loaded_integrations = loaded_integrations
         # Is mDNS disabled
         self.no_mdns = no_mdns
+        # The framework used to compile the firmware
+        self.framework = framework
+        # The core platform of this firmware. Like "esp32", "rp2040", "host" etc.
+        self.core_platform = core_platform
 
     def as_dict(self):
         return {
@@ -94,6 +100,8 @@ class StorageJSON:
             "firmware_bin_path": self.firmware_bin_path,
             "loaded_integrations": sorted(self.loaded_integrations),
             "no_mdns": self.no_mdns,
+            "framework": self.framework,
+            "core_platform": self.core_platform,
         }
 
     def to_json(self):
@@ -127,6 +135,8 @@ class StorageJSON:
                 and CONF_DISABLED in esph.config[CONF_MDNS]
                 and esph.config[CONF_MDNS][CONF_DISABLED] is True
             ),
+            framework=esph.target_framework,
+            core_platform=esph.target_platform,
         )
 
     @staticmethod
@@ -147,6 +157,8 @@ class StorageJSON:
             firmware_bin_path=None,
             loaded_integrations=set(),
             no_mdns=False,
+            framework=None,
+            core_platform=platform.lower(),
         )
 
     @staticmethod
@@ -168,6 +180,8 @@ class StorageJSON:
         firmware_bin_path = storage.get("firmware_bin_path")
         loaded_integrations = set(storage.get("loaded_integrations", []))
         no_mdns = storage.get("no_mdns", False)
+        framework = storage.get("framework")
+        core_platform = storage.get("core_platform")
         return StorageJSON(
             storage_version,
             name,
@@ -182,6 +196,8 @@ class StorageJSON:
             firmware_bin_path,
             loaded_integrations,
             no_mdns,
+            framework,
+            core_platform,
         )
 
     @staticmethod

esphome/writer.py

@@ -9,6 +9,7 @@ from esphome.config import iter_component_configs, iter_components
 from esphome.const import (
     ENV_NOGITIGNORE,
     HEADER_FILE_EXTENSIONS,
+    PLATFORM_ESP32,
     SOURCE_FILE_EXTENSIONS,
     __version__,
 )
@@ -107,7 +108,10 @@ def storage_should_clean(old: StorageJSON, new: StorageJSON) -> bool:
     if old.build_path != new.build_path:
         return True
     if old.loaded_integrations != new.loaded_integrations:
-        return True
+        if new.core_platform == PLATFORM_ESP32:
+            from esphome.components.esp32 import FRAMEWORK_ESP_IDF
+
+            return new.framework == FRAMEWORK_ESP_IDF
     return False
 
 

tests/components/ch422g/common.yaml

@@ -0,0 +1,20 @@
+ch422g:
+  - id: ch422g_hub
+    address: 0x24
+
+binary_sensor:
+  - platform: gpio
+    id: ch422g_input
+    name: CH422G Binary Sensor
+    pin:
+      ch422g: ch422g_hub
+      number: 1
+      mode: INPUT
+      inverted: true
+  - platform: gpio
+    id: ch422g_output
+    pin:
+      ch422g: ch422g_hub
+      number: 0
+      mode: OUTPUT
+      inverted: false

tests/components/ch422g/test.esp32-ard.yaml

@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_ch422g
+    scl: 16
+    sda: 17
+
+<<: !include common.yaml

tests/components/ch422g/test.esp32-c3-ard.yaml

@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_ch422g
+    scl: 5
+    sda: 4
+
+<<: !include common.yaml

tests/components/ch422g/test.esp32-c3-idf.yaml

@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_ch422g
+    scl: 5
+    sda: 4
+
+<<: !include common.yaml

tests/components/ch422g/test.esp32-idf.yaml

@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_ch422g
+    scl: 16
+    sda: 17
+
+<<: !include common.yaml

tests/components/ch422g/test.esp8266-ard.yaml

@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_ch422g
+    scl: 5
+    sda: 4
+
+<<: !include common.yaml

tests/components/ch422g/test.rp2040-ard.yaml

@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_ch422g
+    scl: 5
+    sda: 4
+
+<<: !include common.yaml

tests/components/font/test.host.yaml

@@ -0,0 +1,23 @@
+font:
+  - file: "gfonts://Roboto"
+    id: roboto
+    size: 20
+    glyphs: "0123456789."
+    extras:
+      - file: "gfonts://Roboto"
+        glyphs: ["\u00C4", "\u00C5", "\U000000C7"]
+  - file: "gfonts://Roboto"
+    id: roboto_web
+    size: 20
+  - file: "https://github.com/IdreesInc/Monocraft/releases/download/v3.0/Monocraft.ttf"
+    id: monocraft
+    size: 20
+  - file:
+      type: web
+      url: "https://github.com/IdreesInc/Monocraft/releases/download/v3.0/Monocraft.ttf"
+    id: monocraft2
+    size: 24
+  - file: $component_dir/Monocraft.ttf
+    id: monocraft3
+    size: 28
+

tests/components/udp/common.yaml

@@ -0,0 +1,35 @@
+wifi:
+  ssid: MySSID
+  password: password1
+
+udp:
+  update_interval: 5s
+  encryption: "our key goes here"
+  rolling_code_enable: true
+  ping_pong_enable: true
+  binary_sensors:
+    - binary_sensor_id1
+    - id: binary_sensor_id1
+      broadcast_id: other_id
+  sensors:
+    - sensor_id1
+    - id: sensor_id1
+      broadcast_id: other_id
+  providers:
+    - name: some-device-name
+      encryption: "their key goes here"
+
+sensor:
+  - platform: template
+    id: sensor_id1
+  - platform: udp
+    provider: some-device-name
+    id: our_id
+    remote_id: some_sensor_id
+
+binary_sensor:
+  - platform: udp
+    provider: unencrypted-device
+    id: other_binary_sensor_id
+  - platform: template
+    id: binary_sensor_id1

tests/components/udp/test.bk72xx-ard.yaml

@@ -0,0 +1 @@
+<<: !include common.yaml

tests/components/udp/test.esp32-ard.yaml

@@ -0,0 +1 @@
+<<: !include common.yaml

tests/components/udp/test.esp32-c3-ard.yaml

@@ -0,0 +1 @@
+<<: !include common.yaml

tests/components/udp/test.esp32-c3-idf.yaml

@@ -0,0 +1 @@
+<<: !include common.yaml

tests/components/udp/test.esp32-idf.yaml

@@ -0,0 +1 @@
+<<: !include common.yaml

tests/components/udp/test.esp8266-ard.yaml

@@ -0,0 +1 @@
+<<: !include common.yaml

tests/components/udp/test.host.yaml

@@ -0,0 +1,4 @@
+packages:
+  common: !include common.yaml
+
+wifi: !remove

tests/components/udp/test.rp2040-ard.yaml

@@ -0,0 +1 @@
+<<: !include common.yaml