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Code Issues Releases Wiki Activity

A02yyuw (#5729)

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This commit is contained in:
Thomas Bræmer
2023-12-13 00:26:08 +01:00
committed by GitHub
parent c6dc336c4a
commit 259a6d52e1
6 changed files with 126 additions and 0 deletions
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43
esphome/components/a02yyuw/a02yyuw.cpp Normal file
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// Datasheet https://wiki.dfrobot.com/_A02YYUW_Waterproof_Ultrasonic_Sensor_SKU_SEN0311
#include "a02yyuw.h"
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
namespace esphome {
namespace a02yyuw {
static const char *const TAG = "a02yyuw.sensor";
void A02yyuwComponent::loop() {
uint8_t data;
while (this->available() > 0) {
this->read_byte(&data);
if (this->buffer_.empty() && (data != 0xff))
continue;
buffer_.push_back(data);
if (this->buffer_.size() == 4)
this->check_buffer_();
}
}
void A02yyuwComponent::check_buffer_() {
uint8_t checksum = this->buffer_[0] + this->buffer_[1] + this->buffer_[2];
if (this->buffer_[3] == checksum) {
float distance = (this->buffer_[1] << 8) + this->buffer_[2];
if (distance > 30) {
ESP_LOGV(TAG, "Distance from sensor: %f mm", distance);
this->publish_state(distance);
} else {
ESP_LOGW(TAG, "Invalid data read from sensor: %s", format_hex_pretty(this->buffer_).c_str());
}
} else {
ESP_LOGW(TAG, "checksum failed: %02x != %02x", checksum, this->buffer_[3]);
}
this->buffer_.clear();
}
void A02yyuwComponent::dump_config() { LOG_SENSOR("", "A02yyuw Sensor", this); }
} // namespace a02yyuw
} // namespace esphome