43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_log.h"
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#include "scd4x_data.h"
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#include "scd4x_i2c.h"
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void update_scd4x_measures(scd4x_data_t* data){
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uint16_t dataReady;
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scd4x_get_data_ready_status(&dataReady);
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if(!(dataReady & 0x07FF)){
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ESP_LOGI("MAIN", "no new sensor data");
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return;
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}
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int16_t error = scd4x_read_measurement(&data->co2, &data->temperature, &data->humidity);
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if (error) ESP_LOGE("sensor fetch", "Error executing scd4x_read_measurement(): %i\n", error);
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}
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void scd4x_wait_wake_up(){
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scd4x_wake_up();
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for(int i=0; i<5; i++){
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uint16_t s0, s1, s2;
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int16_t res=scd4x_get_serial_number(&s0, &s1, &s2);
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if(res == 0) break;
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vTaskDelay(500 / portTICK_PERIOD_MS);
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}
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}
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void start_scd4x_measure(scd4x_config_t* conf){
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switch(conf->mode){
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case SCD4X_NORMAL_MODE:
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ESP_ERROR_CHECK(scd4x_start_periodic_measurement());
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ESP_LOGI("scd4x init","started in normal mode");
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break;
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case SCD4X_LP_MODE:
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ESP_ERROR_CHECK(scd4x_start_low_power_periodic_measurement());
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ESP_LOGI("scd4x init","started in low power mode");
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break;
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}
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conf->enabled = true;
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}
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