Home-IoT/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2025-01-23 04:45:58 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Update hdc2010.cpp

Browse source
This commit is contained in:
optimusprimespace 2024-05-15 16:51:58 -04:00
parent 9b18ef9cca
commit c7f37fb069
1 changed files with 10 additions and 27 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
esphome/components/hdc2010/hdc2010.cpp
View file

@ -9,7 +9,8 @@ namespace hdc2010 {
static const char *const TAG = "hdc2010";
static const uint8_t HDC2010_ADDRESS = 0x40; // 0b1000000 or 0b1000001 from datasheet
static const uint8_t HDC2010_CMD_CONFIGURATION_MEASUREMENT = 0x0F;
static const uint8_t HDC2010_CMD_CONFIGURATION_MEASUREMENT = 0x8F;
static const uint8_t HDC2010_CMD_START_MEASUREMENT = 0xF9; // new start measurement command
static const uint8_t HDC2010_CMD_TEMPERATURE_LOW = 0x00;
static const uint8_t HDC2010_CMD_TEMPERATURE_HIGH = 0x01;
static const uint8_t HDC2010_CMD_HUMIDITY_LOW = 0x02;
@ -44,42 +45,24 @@ void HDC2010Component::dump_config() {
LOG_SENSOR(" ", "Humidity", this->humidity_);
}
void HDC2010Component::update() {
uint8_t raw_temp;
uint8_t temp_bytes[2];
uint8_t raw_humidity;
uint8_t humid_bytes[2];
uint8_t raw_data[4];
if (this->write(&HDC2010_CMD_TEMPERATURE_LOW, 1) != i2c::ERROR_OK) {
if (this->write(&HDC2010_CMD_START_MEASUREMENT, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
if (this->write(&HDC2010_CMD_TEMPERATURE_HIGH, 1) != i2c::ERROR_OK) {
delayMicroseconds(1000); // 1ms delay after triggering the sample
if (this->read(raw_data, 4) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
delay(20);
if (this->read(temp_bytes, 2) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
raw_temp = (temp_bytes[1] << 8) | temp_bytes[0];
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);
if (this->write(&HDC2010_CMD_HUMIDITY_LOW, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
if (this->write(&HDC2010_CMD_HUMIDITY_HIGH, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
delay(20);
if (this->read(humid_bytes, 2) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
raw_humidity = (humid_bytes[1] << 8) | humid_bytes[0];
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);