mirror of
https://github.com/esphome/esphome.git
synced 2025-01-06 21:01:43 +01:00
99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
#include "iaqcore.h"
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#include "esphome/core/log.h"
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#include "esphome/core/hal.h"
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#include "esphome/core/helpers.h"
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namespace esphome {
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namespace iaqcore {
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static const char *const TAG = "iaqcore";
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enum IAQCoreErrorCode : uint8_t { ERROR_OK = 0, ERROR_RUNIN = 0x10, ERROR_BUSY = 0x01, ERROR_ERROR = 0x80 };
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struct SensorData {
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uint16_t co2;
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IAQCoreErrorCode status;
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int32_t resistance;
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uint16_t tvoc;
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SensorData(const uint8_t *buffer) {
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this->co2 = encode_uint16(buffer[0], buffer[1]);
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this->status = static_cast<IAQCoreErrorCode>(buffer[2]);
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this->resistance = encode_uint32(buffer[3], buffer[4], buffer[5], buffer[6]);
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this->tvoc = encode_uint16(buffer[7], buffer[8]);
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}
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};
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void IAQCore::setup() {
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if (this->write(nullptr, 0) != i2c::ERROR_OK) {
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ESP_LOGD(TAG, "Communication failed!");
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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 IAQCore::update() {
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uint8_t buffer[sizeof(SensorData)];
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if (this->read_register(0xB5, buffer, sizeof(buffer), false) != i2c::ERROR_OK) {
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ESP_LOGD(TAG, "Read failed");
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this->status_set_warning();
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this->publish_nans_();
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return;
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}
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SensorData data(buffer);
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switch (data.status) {
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case ERROR_OK:
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ESP_LOGD(TAG, "OK");
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break;
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case ERROR_RUNIN:
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ESP_LOGI(TAG, "Warming up");
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break;
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case ERROR_BUSY:
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ESP_LOGI(TAG, "Busy");
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break;
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case ERROR_ERROR:
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ESP_LOGE(TAG, "Error");
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break;
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}
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if (data.status != ERROR_OK) {
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this->status_set_warning();
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this->publish_nans_();
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return;
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}
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if (this->co2_ != nullptr) {
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this->co2_->publish_state(data.co2);
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}
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if (this->tvoc_ != nullptr) {
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this->tvoc_->publish_state(data.tvoc);
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}
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this->status_clear_warning();
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}
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void IAQCore::publish_nans_() {
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if (this->co2_ != nullptr) {
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this->co2_->publish_state(NAN);
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}
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if (this->tvoc_ != nullptr) {
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this->tvoc_->publish_state(NAN);
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}
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}
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void IAQCore::dump_config() {
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ESP_LOGCONFIG(TAG, "AMS iAQ Core:");
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LOG_I2C_DEVICE(this);
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LOG_UPDATE_INTERVAL(this);
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication with AMS iAQ Core failed!");
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}
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LOG_SENSOR(" ", "CO2", this->co2_);
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LOG_SENSOR(" ", "TVOC", this->tvoc_);
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}
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} // namespace iaqcore
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} // namespace esphome
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