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[axs15231] Touchscreen driver (#7592)
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12 changed files with 178 additions and 0 deletions
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@ -50,6 +50,7 @@ esphome/components/atm90e26/* @danieltwagner
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esphome/components/atm90e32/* @circuitsetup @descipher
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esphome/components/audio/* @kahrendt
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esphome/components/audio_dac/* @kbx81
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esphome/components/axs15231/* @clydebarrow
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esphome/components/b_parasite/* @rbaron
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esphome/components/ballu/* @bazuchan
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esphome/components/bang_bang/* @OttoWinter
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6
esphome/components/axs15231/__init__.py
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6
esphome/components/axs15231/__init__.py
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import esphome.codegen as cg
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CODEOWNERS = ["@clydebarrow"]
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DEPENDENCIES = ["i2c"]
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axs15231_ns = cg.esphome_ns.namespace("axs15231")
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36
esphome/components/axs15231/touchscreen/__init__.py
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36
esphome/components/axs15231/touchscreen/__init__.py
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from esphome import pins
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import esphome.codegen as cg
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from esphome.components import i2c, touchscreen
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import esphome.config_validation as cv
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from esphome.const import CONF_ID, CONF_INTERRUPT_PIN, CONF_RESET_PIN
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from .. import axs15231_ns
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AXS15231Touchscreen = axs15231_ns.class_(
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"AXS15231Touchscreen",
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touchscreen.Touchscreen,
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i2c.I2CDevice,
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)
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CONFIG_SCHEMA = (
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touchscreen.touchscreen_schema("50ms")
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.extend(
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{
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cv.GenerateID(): cv.declare_id(AXS15231Touchscreen),
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cv.Optional(CONF_INTERRUPT_PIN): pins.internal_gpio_input_pin_schema,
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cv.Optional(CONF_RESET_PIN): pins.gpio_output_pin_schema,
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}
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)
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.extend(i2c.i2c_device_schema(0x3B))
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)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await touchscreen.register_touchscreen(var, config)
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await i2c.register_i2c_device(var, config)
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if interrupt_pin := config.get(CONF_INTERRUPT_PIN):
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cg.add(var.set_interrupt_pin(await cg.gpio_pin_expression(interrupt_pin)))
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if reset_pin := config.get(CONF_RESET_PIN):
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cg.add(var.set_reset_pin(await cg.gpio_pin_expression(reset_pin)))
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@ -0,0 +1,64 @@
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#include "axs15231_touchscreen.h"
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#include "esphome/core/helpers.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace axs15231 {
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static const char *const TAG = "ax15231.touchscreen";
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constexpr static const uint8_t AXS_READ_TOUCHPAD[11] = {0xb5, 0xab, 0xa5, 0x5a, 0x0, 0x0, 0x0, 0x8};
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#define ERROR_CHECK(err) \
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if ((err) != i2c::ERROR_OK) { \
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this->status_set_warning("Failed to communicate"); \
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return; \
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}
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void AXS15231Touchscreen::setup() {
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ESP_LOGCONFIG(TAG, "Setting up AXS15231 Touchscreen...");
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if (this->reset_pin_ != nullptr) {
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this->reset_pin_->setup();
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this->reset_pin_->digital_write(false);
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delay(5);
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this->reset_pin_->digital_write(true);
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delay(10);
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}
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if (this->interrupt_pin_ != nullptr) {
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this->interrupt_pin_->pin_mode(gpio::FLAG_INPUT);
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this->interrupt_pin_->setup();
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this->attach_interrupt_(this->interrupt_pin_, gpio::INTERRUPT_FALLING_EDGE);
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}
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this->x_raw_max_ = this->display_->get_native_width();
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this->y_raw_max_ = this->display_->get_native_height();
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ESP_LOGCONFIG(TAG, "AXS15231 Touchscreen setup complete");
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}
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void AXS15231Touchscreen::update_touches() {
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i2c::ErrorCode err;
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uint8_t data[8]{};
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err = this->write(AXS_READ_TOUCHPAD, sizeof(AXS_READ_TOUCHPAD), false);
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ERROR_CHECK(err);
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err = this->read(data, sizeof(data));
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ERROR_CHECK(err);
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this->status_clear_warning();
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if (data[0] != 0) // no touches
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return;
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uint16_t x = encode_uint16(data[2] & 0xF, data[3]);
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uint16_t y = encode_uint16(data[4] & 0xF, data[5]);
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this->add_raw_touch_position_(0, x, y);
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}
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void AXS15231Touchscreen::dump_config() {
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ESP_LOGCONFIG(TAG, "AXS15231 Touchscreen:");
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LOG_I2C_DEVICE(this);
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LOG_PIN(" Interrupt Pin: ", this->interrupt_pin_);
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LOG_PIN(" Reset Pin: ", this->reset_pin_);
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ESP_LOGCONFIG(TAG, " Width: %d", this->x_raw_max_);
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ESP_LOGCONFIG(TAG, " Height: %d", this->y_raw_max_);
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}
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} // namespace axs15231
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} // namespace esphome
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@ -0,0 +1,27 @@
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#pragma once
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#include "esphome/components/i2c/i2c.h"
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#include "esphome/components/touchscreen/touchscreen.h"
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#include "esphome/core/component.h"
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#include "esphome/core/hal.h"
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namespace esphome {
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namespace axs15231 {
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class AXS15231Touchscreen : public touchscreen::Touchscreen, public i2c::I2CDevice {
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public:
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void setup() override;
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void dump_config() override;
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void set_interrupt_pin(InternalGPIOPin *pin) { this->interrupt_pin_ = pin; }
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void set_reset_pin(GPIOPin *pin) { this->reset_pin_ = pin; }
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protected:
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void update_touches() override;
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InternalGPIOPin *interrupt_pin_{};
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GPIOPin *reset_pin_{};
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};
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} // namespace axs15231
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} // namespace esphome
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20
tests/components/axs15231/common.yaml
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20
tests/components/axs15231/common.yaml
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i2c:
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- id: i2c_axs15231
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scl: 3
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sda: 21
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display:
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- platform: ssd1306_i2c
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id: ssd1306_display
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model: SSD1306_128X64
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reset_pin: 19
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pages:
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- id: page1
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lambda: |-
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it.rectangle(0, 0, it.get_width(), it.get_height());
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touchscreen:
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- platform: axs15231
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display: ssd1306_display
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interrupt_pin: 20
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reset_pin: 18
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1
tests/components/axs15231/test.esp32-ard.yaml
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1
tests/components/axs15231/test.esp32-ard.yaml
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<<: !include common.yaml
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1
tests/components/axs15231/test.esp32-c3-ard.yaml
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tests/components/axs15231/test.esp32-c3-ard.yaml
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<<: !include common.yaml
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1
tests/components/axs15231/test.esp32-c3-idf.yaml
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tests/components/axs15231/test.esp32-c3-idf.yaml
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<<: !include common.yaml
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1
tests/components/axs15231/test.esp32-idf.yaml
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tests/components/axs15231/test.esp32-idf.yaml
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<<: !include common.yaml
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tests/components/axs15231/test.esp8266-ard.yaml
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tests/components/axs15231/test.esp8266-ard.yaml
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i2c:
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- id: i2c_axs15231
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scl: 5
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sda: 4
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display:
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- platform: ssd1306_i2c
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id: ssd1306_display
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model: SSD1306_128X64
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reset_pin: 13
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pages:
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- id: page1
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lambda: |-
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it.rectangle(0, 0, it.get_width(), it.get_height());
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touchscreen:
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- platform: axs15231
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display: ssd1306_display
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interrupt_pin: 12
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1
tests/components/axs15231/test.rp2040-ard.yaml
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1
tests/components/axs15231/test.rp2040-ard.yaml
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<<: !include common.yaml
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