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5cef75dbe1
Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
#include "hdc1080.h"
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#include "esphome/core/log.h"
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#include "esphome/core/hal.h"
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namespace esphome {
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namespace hdc1080 {
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static const char *const TAG = "hdc1080";
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static const uint8_t HDC1080_CMD_CONFIGURATION = 0x02;
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static const uint8_t HDC1080_CMD_TEMPERATURE = 0x00;
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static const uint8_t HDC1080_CMD_HUMIDITY = 0x01;
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void HDC1080Component::setup() {
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const uint8_t config[2] = {0x00, 0x00}; // resolution 14bit for both humidity and temperature
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// if configuration fails - there is a problem
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if (this->write_register(HDC1080_CMD_CONFIGURATION, config, 2) != i2c::ERROR_OK) {
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this->mark_failed();
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return;
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}
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}
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void HDC1080Component::dump_config() {
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ESP_LOGCONFIG(TAG, "HDC1080:");
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LOG_I2C_DEVICE(this);
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if (this->is_failed()) {
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ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
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}
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LOG_UPDATE_INTERVAL(this);
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LOG_SENSOR(" ", "Temperature", this->temperature_);
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LOG_SENSOR(" ", "Humidity", this->humidity_);
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}
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void HDC1080Component::update() {
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// regardless of what sensor/s are defined in yaml configuration
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// the hdc1080 setup configuration used, requires both temperature and humidity to be read
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this->status_clear_warning();
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if (this->write(&HDC1080_CMD_TEMPERATURE, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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this->set_timeout(20, [this]() {
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uint16_t raw_temperature;
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if (this->read(reinterpret_cast<uint8_t *>(&raw_temperature), 2) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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if (this->temperature_ != nullptr) {
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raw_temperature = i2c::i2ctohs(raw_temperature);
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float temperature = raw_temperature * 0.0025177f - 40.0f; // raw * 2^-16 * 165 - 40
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this->temperature_->publish_state(temperature);
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}
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if (this->write(&HDC1080_CMD_HUMIDITY, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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this->set_timeout(20, [this]() {
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uint16_t raw_humidity;
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if (this->read(reinterpret_cast<uint8_t *>(&raw_humidity), 2) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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if (this->humidity_ != nullptr) {
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raw_humidity = i2c::i2ctohs(raw_humidity);
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float humidity = raw_humidity * 0.001525879f; // raw * 2^-16 * 100
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this->humidity_->publish_state(humidity);
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}
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});
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});
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}
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} // namespace hdc1080
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} // namespace esphome
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