mirror of
https://github.com/esphome/esphome.git
synced 2025-10-28 13:43:54 +00:00
9b78098eec
Co-authored-by: Keith Burzinski <kbx81x@gmail.com> Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com> Co-authored-by: J. Nick Koston <nick@koston.org> Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
#include "esphome/core/hal.h"
|
|
#include "hdc2010.h"
|
|
// https://github.com/vigsterkr/homebridge-hdc2010/blob/main/src/hdc2010.js
|
|
// https://github.com/lime-labs/HDC2080-Arduino/blob/master/src/HDC2080.cpp
|
|
namespace esphome {
|
|
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 = 0x8F;
|
|
static const uint8_t HDC2010_CMD_START_MEASUREMENT = 0xF9;
|
|
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;
|
|
static const uint8_t HDC2010_CMD_HUMIDITY_HIGH = 0x03;
|
|
static const uint8_t CONFIG = 0x0E;
|
|
static const uint8_t MEASUREMENT_CONFIG = 0x0F;
|
|
|
|
void HDC2010Component::setup() {
|
|
ESP_LOGCONFIG(TAG, "Running setup");
|
|
|
|
const uint8_t data[2] = {
|
|
0b00000000, // resolution 14bit for both humidity and temperature
|
|
0b00000000 // reserved
|
|
};
|
|
|
|
if (!this->write_bytes(HDC2010_CMD_CONFIGURATION_MEASUREMENT, data, 2)) {
|
|
ESP_LOGW(TAG, "Initial config instruction error");
|
|
this->status_set_warning();
|
|
return;
|
|
}
|
|
|
|
// Set measurement mode to temperature and humidity
|
|
uint8_t config_contents;
|
|
this->read_register(MEASUREMENT_CONFIG, &config_contents, 1);
|
|
config_contents = (config_contents & 0xF9); // Always set to TEMP_AND_HUMID mode
|
|
this->write_bytes(MEASUREMENT_CONFIG, &config_contents, 1);
|
|
|
|
// Set rate to manual
|
|
this->read_register(CONFIG, &config_contents, 1);
|
|
config_contents &= 0x8F;
|
|
this->write_bytes(CONFIG, &config_contents, 1);
|
|
|
|
// Set temperature resolution to 14bit
|
|
this->read_register(CONFIG, &config_contents, 1);
|
|
config_contents &= 0x3F;
|
|
this->write_bytes(CONFIG, &config_contents, 1);
|
|
|
|
// Set humidity resolution to 14bit
|
|
this->read_register(CONFIG, &config_contents, 1);
|
|
config_contents &= 0xCF;
|
|
this->write_bytes(CONFIG, &config_contents, 1);
|
|
}
|
|
|
|
void HDC2010Component::dump_config() {
|
|
ESP_LOGCONFIG(TAG, "HDC2010:");
|
|
LOG_I2C_DEVICE(this);
|
|
if (this->is_failed()) {
|
|
ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
|
|
}
|
|
LOG_UPDATE_INTERVAL(this);
|
|
LOG_SENSOR(" ", "Temperature", this->temperature_sensor_);
|
|
LOG_SENSOR(" ", "Humidity", this->humidity_sensor_);
|
|
}
|
|
|
|
void HDC2010Component::update() {
|
|
// Trigger measurement
|
|
uint8_t config_contents;
|
|
this->read_register(CONFIG, &config_contents, 1);
|
|
config_contents |= 0x01;
|
|
this->write_bytes(MEASUREMENT_CONFIG, &config_contents, 1);
|
|
|
|
// 1ms delay after triggering the sample
|
|
set_timeout(1, [this]() {
|
|
if (this->temperature_sensor_ != nullptr) {
|
|
float temp = this->read_temp();
|
|
this->temperature_sensor_->publish_state(temp);
|
|
ESP_LOGD(TAG, "Temp=%.1f°C", temp);
|
|
}
|
|
|
|
if (this->humidity_sensor_ != nullptr) {
|
|
float humidity = this->read_humidity();
|
|
this->humidity_sensor_->publish_state(humidity);
|
|
ESP_LOGD(TAG, "Humidity=%.1f%%", humidity);
|
|
}
|
|
});
|
|
}
|
|
|
|
float HDC2010Component::read_temp() {
|
|
uint8_t byte[2];
|
|
|
|
this->read_register(HDC2010_CMD_TEMPERATURE_LOW, &byte[0], 1);
|
|
this->read_register(HDC2010_CMD_TEMPERATURE_HIGH, &byte[1], 1);
|
|
|
|
uint16_t temp = encode_uint16(byte[1], byte[0]);
|
|
return (float) temp * 0.0025177f - 40.0f;
|
|
}
|
|
|
|
float HDC2010Component::read_humidity() {
|
|
uint8_t byte[2];
|
|
|
|
this->read_register(HDC2010_CMD_HUMIDITY_LOW, &byte[0], 1);
|
|
this->read_register(HDC2010_CMD_HUMIDITY_HIGH, &byte[1], 1);
|
|
|
|
uint16_t humidity = encode_uint16(byte[1], byte[0]);
|
|
return (float) humidity * 0.001525879f;
|
|
}
|
|
|
|
} // namespace hdc2010
|
|
} // namespace esphome
|