Files
esphome/esphome/components/hte501/hte501.cpp
2025-08-27 19:30:33 +10:00

72 lines
2.2 KiB
C++

#include "hte501.h"
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
namespace esphome {
namespace hte501 {
static const char *const TAG = "hte501";
void HTE501Component::setup() {
uint8_t address[] = {0x70, 0x29};
uint8_t identification[9];
this->write_read(address, sizeof address, identification, sizeof identification);
if (identification[8] != crc8(identification, 8, 0xFF, 0x31, true)) {
this->error_code_ = CRC_CHECK_FAILED;
this->mark_failed();
return;
}
ESP_LOGV(TAG, " Serial Number: 0x%s", format_hex(identification + 0, 7).c_str());
}
void HTE501Component::dump_config() {
ESP_LOGCONFIG(TAG, "HTE501:");
LOG_I2C_DEVICE(this);
switch (this->error_code_) {
case COMMUNICATION_FAILED:
ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
break;
case CRC_CHECK_FAILED:
ESP_LOGE(TAG, "The crc check failed");
break;
case NONE:
default:
break;
}
LOG_UPDATE_INTERVAL(this);
LOG_SENSOR(" ", "Temperature", this->temperature_sensor_);
LOG_SENSOR(" ", "Humidity", this->humidity_sensor_);
}
float HTE501Component::get_setup_priority() const { return setup_priority::DATA; }
void HTE501Component::update() {
uint8_t address_1[] = {0x2C, 0x1B};
this->write(address_1, 2);
this->set_timeout(50, [this]() {
uint8_t i2c_response[6];
this->read(i2c_response, 6);
if (i2c_response[2] != crc8(i2c_response, 2, 0xFF, 0x31, true) &&
i2c_response[5] != crc8(i2c_response + 3, 2, 0xFF, 0x31, true)) {
this->error_code_ = CRC_CHECK_FAILED;
this->status_set_warning();
return;
}
float temperature = (float) encode_uint16(i2c_response[0], i2c_response[1]);
if (temperature > 55536) {
temperature = (temperature - 65536) / 100;
} else {
temperature = temperature / 100;
}
float humidity = ((float) encode_uint16(i2c_response[3], i2c_response[4])) / 100.0f;
ESP_LOGD(TAG, "Got temperature=%.2f°C humidity=%.2f%%", temperature, humidity);
if (this->temperature_sensor_ != nullptr)
this->temperature_sensor_->publish_state(temperature);
if (this->humidity_sensor_ != nullptr)
this->humidity_sensor_->publish_state(humidity);
this->status_clear_warning();
});
}
} // namespace hte501
} // namespace esphome