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jsn_sr04t component: AJ_SR04M compatibility mode in checksum calculation (#7044)
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
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parent
99cba0ae7f
commit
7f83bcfdd9
@ -31,7 +31,16 @@ void Jsnsr04tComponent::loop() {
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}
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void Jsnsr04tComponent::check_buffer_() {
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uint8_t checksum = this->buffer_[0] + this->buffer_[1] + this->buffer_[2];
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uint8_t checksum = 0;
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switch (this->model_) {
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case JSN_SR04T:
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checksum = this->buffer_[0] + this->buffer_[1] + this->buffer_[2];
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break;
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case AJ_SR04M:
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checksum = this->buffer_[1] + this->buffer_[2];
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break;
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}
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if (this->buffer_[3] == checksum) {
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uint16_t distance = encode_uint16(this->buffer_[1], this->buffer_[2]);
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if (distance > 250) {
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@ -49,6 +58,14 @@ void Jsnsr04tComponent::check_buffer_() {
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void Jsnsr04tComponent::dump_config() {
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LOG_SENSOR("", "JST_SR04T Sensor", this);
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switch (this->model_) {
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case JSN_SR04T:
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ESP_LOGCONFIG(TAG, " sensor model: jsn_sr04t");
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break;
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case AJ_SR04M:
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ESP_LOGCONFIG(TAG, " sensor model: aj_sr04m");
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break;
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}
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LOG_UPDATE_INTERVAL(this);
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}
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@ -9,9 +9,14 @@
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namespace esphome {
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namespace jsn_sr04t {
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enum Model {
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JSN_SR04T,
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AJ_SR04M,
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};
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class Jsnsr04tComponent : public sensor::Sensor, public PollingComponent, public uart::UARTDevice {
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public:
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// Nothing really public.
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void set_model(Model model) { this->model_ = model; }
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// ========== INTERNAL METHODS ==========
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void update() override;
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@ -20,6 +25,7 @@ class Jsnsr04tComponent : public sensor::Sensor, public PollingComponent, public
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protected:
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void check_buffer_();
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Model model_;
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std::vector<uint8_t> buffer_;
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};
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@ -5,6 +5,7 @@ from esphome.const import (
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STATE_CLASS_MEASUREMENT,
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UNIT_METER,
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ICON_ARROW_EXPAND_VERTICAL,
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CONF_MODEL,
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)
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CODEOWNERS = ["@Mafus1"]
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@ -14,6 +15,11 @@ jsn_sr04t_ns = cg.esphome_ns.namespace("jsn_sr04t")
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Jsnsr04tComponent = jsn_sr04t_ns.class_(
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"Jsnsr04tComponent", sensor.Sensor, cg.PollingComponent, uart.UARTDevice
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)
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Model = jsn_sr04t_ns.enum("Model")
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MODEL = {
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"jsn_sr04t": Model.JSN_SR04T,
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"aj_sr04m": Model.AJ_SR04M,
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}
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CONFIG_SCHEMA = (
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sensor.sensor_schema(
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@ -25,6 +31,11 @@ CONFIG_SCHEMA = (
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)
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.extend(cv.polling_component_schema("60s"))
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.extend(uart.UART_DEVICE_SCHEMA)
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.extend(
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{
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cv.Optional(CONF_MODEL, default="jsn_sr04t"): cv.enum(MODEL, upper=False),
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}
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)
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)
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FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
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@ -42,3 +53,5 @@ 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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cg.add(var.set_model(config[CONF_MODEL]))
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