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A02yyuw (#5729)
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6 changed files with 126 additions and 0 deletions
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@ -12,6 +12,7 @@ esphome/core/* @esphome/core
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# Integrations
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esphome/components/a01nyub/* @MrSuicideParrot
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esphome/components/a02yyuw/* @TH-Braemer
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esphome/components/absolute_humidity/* @DAVe3283
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esphome/components/ac_dimmer/* @glmnet
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esphome/components/adc/* @esphome/core
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1
esphome/components/a02yyuw/__init__.py
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1
esphome/components/a02yyuw/__init__.py
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@ -0,0 +1 @@
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CODEOWNERS = ["@TH-Braemer"]
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43
esphome/components/a02yyuw/a02yyuw.cpp
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esphome/components/a02yyuw/a02yyuw.cpp
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// Datasheet https://wiki.dfrobot.com/_A02YYUW_Waterproof_Ultrasonic_Sensor_SKU_SEN0311
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#include "a02yyuw.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 a02yyuw {
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static const char *const TAG = "a02yyuw.sensor";
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void A02yyuwComponent::loop() {
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uint8_t data;
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while (this->available() > 0) {
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this->read_byte(&data);
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if (this->buffer_.empty() && (data != 0xff))
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continue;
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buffer_.push_back(data);
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if (this->buffer_.size() == 4)
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this->check_buffer_();
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}
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}
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void A02yyuwComponent::check_buffer_() {
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uint8_t checksum = this->buffer_[0] + this->buffer_[1] + this->buffer_[2];
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if (this->buffer_[3] == checksum) {
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float distance = (this->buffer_[1] << 8) + this->buffer_[2];
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if (distance > 30) {
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ESP_LOGV(TAG, "Distance from sensor: %f mm", distance);
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this->publish_state(distance);
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} else {
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ESP_LOGW(TAG, "Invalid data read from sensor: %s", format_hex_pretty(this->buffer_).c_str());
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}
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} else {
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ESP_LOGW(TAG, "checksum failed: %02x != %02x", checksum, this->buffer_[3]);
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}
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this->buffer_.clear();
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}
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void A02yyuwComponent::dump_config() { LOG_SENSOR("", "A02yyuw Sensor", this); }
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} // namespace a02yyuw
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} // namespace esphome
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27
esphome/components/a02yyuw/a02yyuw.h
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esphome/components/a02yyuw/a02yyuw.h
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#pragma once
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#include <vector>
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#include "esphome/core/component.h"
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/uart/uart.h"
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namespace esphome {
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namespace a02yyuw {
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class A02yyuwComponent : public sensor::Sensor, public Component, public uart::UARTDevice {
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public:
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// Nothing really public.
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// ========== INTERNAL METHODS ==========
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void loop() override;
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void dump_config() override;
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protected:
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void check_buffer_();
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std::vector<uint8_t> buffer_;
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};
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} // namespace a02yyuw
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} // namespace esphome
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esphome/components/a02yyuw/sensor.py
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esphome/components/a02yyuw/sensor.py
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import esphome.codegen as cg
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from esphome.components import sensor, uart
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from esphome.const import (
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STATE_CLASS_MEASUREMENT,
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ICON_ARROW_EXPAND_VERTICAL,
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DEVICE_CLASS_DISTANCE,
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)
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CODEOWNERS = ["@TH-Braemer"]
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DEPENDENCIES = ["uart"]
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UNIT_MILLIMETERS = "mm"
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a02yyuw_ns = cg.esphome_ns.namespace("a02yyuw")
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A02yyuwComponent = a02yyuw_ns.class_(
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"A02yyuwComponent", sensor.Sensor, cg.Component, uart.UARTDevice
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)
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CONFIG_SCHEMA = sensor.sensor_schema(
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A02yyuwComponent,
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unit_of_measurement=UNIT_MILLIMETERS,
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icon=ICON_ARROW_EXPAND_VERTICAL,
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accuracy_decimals=0,
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state_class=STATE_CLASS_MEASUREMENT,
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device_class=DEVICE_CLASS_DISTANCE,
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).extend(uart.UART_DEVICE_SCHEMA)
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FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
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"a02yyuw",
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baud_rate=9600,
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require_tx=False,
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require_rx=True,
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data_bits=8,
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parity=None,
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stop_bits=1,
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)
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async def to_code(config):
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var = await sensor.new_sensor(config)
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await cg.register_component(var, config)
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await uart.register_uart_device(var, config)
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@ -84,6 +84,14 @@ uart:
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allow_other_uses: true
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number: GPIO26
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baud_rate: 9600
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- id: uart_a02yyuw
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tx_pin:
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allow_other_uses: true
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number: GPIO22
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rx_pin:
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allow_other_uses: true
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number: GPIO23
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baud_rate: 9600
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- id: uart_he60r
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tx_pin:
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number: GPIO18
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@ -357,6 +365,11 @@ sensor:
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name: "a01nyub Distance"
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uart_id: uart9600
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state_topic: "esphome/sensor/a01nyub_sensor/state"
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- platform: a02yyuw
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id: a02yyuw_sensor
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name: "a02yyuw Distance"
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uart_id: uart_a02yyuw
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state_topic: "esphome/sensor/a02yyuw_sensor/state"
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#
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# platform sensor.apds9960 requires component apds9960
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