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Update hdc2010.cpp

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optimusprimespace 2024-05-17 07:56:41 -04:00
parent 267aea472a
commit a13ad39931
1 changed files with 22 additions and 38 deletions
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60
esphome/components/hdc2010/hdc2010.cpp
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@ -68,26 +68,10 @@ void HDC2010Component::dump_config() {
} }
void HDC2010Component::update() { void HDC2010Component::update() {
uint8_t raw_data[4]; float temp = readTemp();
float humidity = readHumidity();
// Trigger measurement
uint8_t configContents = readReg(CONFIG);
configContents |= 0x01;
writeReg(CONFIG, configContents);
delayMicroseconds(1000); // 1ms delay after triggering the sample
if (this->read(raw_data, 4) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
uint16_t raw_temp = (raw_data[1] << 8) | raw_data[0];
float temp = raw_temp * 0.0025177f - 40.0f; // raw * 2^-16 * 165 - 40
this->temperature_->publish_state(temp); this->temperature_->publish_state(temp);
uint16_t raw_humidity = (raw_data[3] << 8) | raw_data[2];
float humidity = raw_humidity * 0.0015258f; // raw * 2^-16 * 100
this->humidity_->publish_state(humidity); this->humidity_->publish_state(humidity);
ESP_LOGD(TAG, "Got temperature=%.1f°C humidity=%.1f%%", temp, humidity); ESP_LOGD(TAG, "Got temperature=%.1f°C humidity=%.1f%%", temp, humidity);
@ -117,27 +101,27 @@ void HDC2010Component::update() {
// configContents = (configContents & 0xF7); // configContents = (configContents & 0xF7);
// writeReg(CONFIG, configContents); // writeReg(CONFIG, configContents);
// } // }
float HDC2010Component::readTemp() {
uint8_t byte[2];
uint16_t temp;
byte[0] = read_register(HDC2010_CMD_TEMPERATURE_LOW);
byte[1] = read_register(HDC2010_CMD_TEMPERATURE_HIGH);
temp = (unsigned int) byte[1] << 8 | byte[0];
return (float) temp * 165 / 65536 - 40;
}
float HDC2010Component::readHumidity() {
uint8_t byte[2];
uint16_t humidity;
byte[0] = read_register(HDC2010_CMD_HUMIDITY_LOW);
byte[1] = read_register(HDC2010_CMD_HUMIDITY_HIGH);
humidity = (unsigned int) byte[1] << 8 | byte[0];
return (float) humidity / 65536 * 100;
}
float HDC2010Component::get_setup_priority() const { return setup_priority::DATA; } float HDC2010Component::get_setup_priority() const { return setup_priority::DATA; }
uint8_t HDC2010Component::readReg(uint8_t reg) {
uint8_t data;
if (!this->write_bytes(HDC2010_ADDRESS, &reg, 1)) {
ESP_LOGW(TAG, "Failed to write register address");
return 0;
}
if (!this->read_bytes(HDC2010_ADDRESS, &data, 1)) {
ESP_LOGW(TAG, "Failed to read register value");
return 0;
}
return data;
}
void HDC2010Component::writeReg(uint8_t reg, uint8_t value) {
uint8_t data[2] = {reg, value};
if (!this->write_bytes(HDC2010_ADDRESS, data, 2)) {
ESP_LOGW(TAG, "Failed to write register value");
}
}
} // namespace hdc2010 } // namespace hdc2010
} // namespace esphome } // namespace esphome