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jsn_sr04t component: Add RCWL-1655 module compatibility

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This commit is contained in:
Andreas Frisch 2024-07-14 19:56:22 +02:00 committed by Jesse Hills
parent b32078a5fe
commit 584334fa15
3 changed files with 49 additions and 10 deletions
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40
esphome/components/jsn_sr04t/jsn_sr04t.cpp
View File

@ -10,25 +10,49 @@ namespace jsn_sr04t {
static const char *const TAG = "jsn_sr04t.sensor";
void Jsnsr04tComponent::update() {
switch (this->model_) {
case JSN_SR04T:
case AJ_SR04M:
this->write_byte(0x55);
break;
case RCWL_1655:
this->buffer_.clear();
this->write_byte(0xA0);
break;
}
ESP_LOGV(TAG, "Request read out from sensor");
}
void Jsnsr04tComponent::loop() {
uint8_t data;
if (this->model_ == RCWL_1655) {
while (this->available() > 0) {
this->read_byte(&data);
ESP_LOGV(TAG, "Read byte [%d] from sensor: %02X", this->buffer_.size(), data);
this->buffer_.push_back(data);
if (this->buffer_.size() == 3) {
this->parse_buffer_rclw_1655_();
}
}
} else {
while (this->available() > 0) {
uint8_t data;
this->read_byte(&data);
ESP_LOGV(TAG, "Read byte from sensor: %x", data);
ESP_LOGV(TAG, "Read byte from sensor: %02X", data);
if (this->buffer_.empty() && data != 0xFF)
continue;
this->buffer_.push_back(data);
if (this->buffer_.size() == 4)
if (this->buffer_.size() == 4) {
this->check_buffer_();
}
}
}
}
void Jsnsr04tComponent::check_buffer_() {
uint8_t checksum = 0;
@ -56,6 +80,15 @@ void Jsnsr04tComponent::check_buffer_() {
this->buffer_.clear();
}
void Jsnsr04tComponent::parse_buffer_rclw_1655_() {
uint32_t distance = encode_uint24(this->buffer_[0], this->buffer_[1], this->buffer_[2]);
float millimeters = distance / 1000.0f;
float meters = millimeters / 1000.0f;
ESP_LOGV(TAG, "Distance from sensor: %.0fmm, %.3fm", millimeters, meters);
this->publish_state(meters);
this->buffer_.clear();
}
void Jsnsr04tComponent::dump_config() {
LOG_SENSOR("", "JST_SR04T Sensor", this);
switch (this->model_) {
@ -65,6 +98,9 @@ void Jsnsr04tComponent::dump_config() {
case AJ_SR04M:
ESP_LOGCONFIG(TAG, " sensor model: aj_sr04m");
break;
case RCWL_1655:
ESP_LOGCONFIG(TAG, " sensor model: RCWL-1655");
break;
}
LOG_UPDATE_INTERVAL(this);
}

2
esphome/components/jsn_sr04t/jsn_sr04t.h
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@ -12,6 +12,7 @@ namespace jsn_sr04t {
enum Model {
JSN_SR04T,
AJ_SR04M,
RCWL_1655,
};
class Jsnsr04tComponent : public sensor::Sensor, public PollingComponent, public uart::UARTDevice {
@ -25,6 +26,7 @@ class Jsnsr04tComponent : public sensor::Sensor, public PollingComponent, public
protected:
void check_buffer_();
void parse_buffer_rclw_1655_();
Model model_;
std::vector<uint8_t> buffer_;

1
esphome/components/jsn_sr04t/sensor.py
View File

@ -19,6 +19,7 @@ Model = jsn_sr04t_ns.enum("Model")
MODEL = {
"jsn_sr04t": Model.JSN_SR04T,
"aj_sr04m": Model.AJ_SR04M,
"rcwl_1655": Model.RCWL_1655,
}
CONFIG_SCHEMA = (