mirror of https://github.com/esphome/esphome.git
138 lines
4.5 KiB
C++
138 lines
4.5 KiB
C++
#include "airthings_wave_plus.h"
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#ifdef USE_ESP32
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namespace esphome {
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namespace airthings_wave_plus {
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static const char *const TAG = "airthings_wave_plus";
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void AirthingsWavePlus::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if,
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esp_ble_gattc_cb_param_t *param) {
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switch (event) {
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case ESP_GATTC_OPEN_EVT: {
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if (param->open.status == ESP_GATT_OK) {
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ESP_LOGI(TAG, "Connected successfully!");
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}
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break;
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}
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case ESP_GATTC_DISCONNECT_EVT: {
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ESP_LOGW(TAG, "Disconnected!");
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break;
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}
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case ESP_GATTC_SEARCH_CMPL_EVT: {
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this->handle_ = 0;
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auto *chr = this->parent()->get_characteristic(service_uuid_, sensors_data_characteristic_uuid_);
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if (chr == nullptr) {
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ESP_LOGW(TAG, "No sensor characteristic found at service %s char %s", service_uuid_.to_string().c_str(),
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sensors_data_characteristic_uuid_.to_string().c_str());
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break;
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}
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this->handle_ = chr->handle;
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this->node_state = esp32_ble_tracker::ClientState::ESTABLISHED;
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request_read_values_();
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break;
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}
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case ESP_GATTC_READ_CHAR_EVT: {
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if (param->read.conn_id != this->parent()->get_conn_id())
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break;
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if (param->read.status != ESP_GATT_OK) {
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ESP_LOGW(TAG, "Error reading char at handle %d, status=%d", param->read.handle, param->read.status);
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break;
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}
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if (param->read.handle == this->handle_) {
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read_sensors_(param->read.value, param->read.value_len);
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}
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break;
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}
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default:
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break;
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}
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}
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void AirthingsWavePlus::read_sensors_(uint8_t *raw_value, uint16_t value_len) {
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auto *value = (WavePlusReadings *) raw_value;
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if (sizeof(WavePlusReadings) <= value_len) {
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ESP_LOGD(TAG, "version = %d", value->version);
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if (value->version == 1) {
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ESP_LOGD(TAG, "ambient light = %d", value->ambientLight);
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this->humidity_sensor_->publish_state(value->humidity / 2.0f);
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if (is_valid_radon_value_(value->radon)) {
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this->radon_sensor_->publish_state(value->radon);
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}
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if (is_valid_radon_value_(value->radon_lt)) {
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this->radon_long_term_sensor_->publish_state(value->radon_lt);
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}
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this->temperature_sensor_->publish_state(value->temperature / 100.0f);
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this->pressure_sensor_->publish_state(value->pressure / 50.0f);
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if (is_valid_co2_value_(value->co2)) {
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this->co2_sensor_->publish_state(value->co2);
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}
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if (is_valid_voc_value_(value->voc)) {
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this->tvoc_sensor_->publish_state(value->voc);
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}
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// This instance must not stay connected
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// so other clients can connect to it (e.g. the
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// mobile app).
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parent()->set_enabled(false);
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} else {
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ESP_LOGE(TAG, "Invalid payload version (%d != 1, newer version or not a Wave Plus?)", value->version);
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}
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}
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}
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bool AirthingsWavePlus::is_valid_radon_value_(uint16_t radon) { return 0 <= radon && radon <= 16383; }
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bool AirthingsWavePlus::is_valid_voc_value_(uint16_t voc) { return 0 <= voc && voc <= 16383; }
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bool AirthingsWavePlus::is_valid_co2_value_(uint16_t co2) { return 0 <= co2 && co2 <= 16383; }
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void AirthingsWavePlus::update() {
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if (this->node_state != esp32_ble_tracker::ClientState::ESTABLISHED) {
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if (!parent()->enabled) {
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ESP_LOGW(TAG, "Reconnecting to device");
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parent()->set_enabled(true);
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parent()->connect();
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} else {
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ESP_LOGW(TAG, "Connection in progress");
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}
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}
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}
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void AirthingsWavePlus::request_read_values_() {
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auto status = esp_ble_gattc_read_char(this->parent()->get_gattc_if(), this->parent()->get_conn_id(), this->handle_,
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ESP_GATT_AUTH_REQ_NONE);
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if (status) {
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ESP_LOGW(TAG, "Error sending read request for sensor, status=%d", status);
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}
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}
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void AirthingsWavePlus::dump_config() {
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LOG_SENSOR(" ", "Humidity", this->humidity_sensor_);
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LOG_SENSOR(" ", "Radon", this->radon_sensor_);
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LOG_SENSOR(" ", "Radon Long Term", this->radon_long_term_sensor_);
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LOG_SENSOR(" ", "Temperature", this->temperature_sensor_);
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LOG_SENSOR(" ", "Pressure", this->pressure_sensor_);
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LOG_SENSOR(" ", "CO2", this->co2_sensor_);
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LOG_SENSOR(" ", "TVOC", this->tvoc_sensor_);
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}
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AirthingsWavePlus::AirthingsWavePlus()
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: PollingComponent(10000),
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service_uuid_(esp32_ble_tracker::ESPBTUUID::from_raw(SERVICE_UUID)),
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sensors_data_characteristic_uuid_(esp32_ble_tracker::ESPBTUUID::from_raw(CHARACTERISTIC_UUID)) {}
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} // namespace airthings_wave_plus
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} // namespace esphome
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#endif // USE_ESP32
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