121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
#include "CO2_Sense.h"
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/portmacro.h"
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#include "freertos/task.h"
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#include <stdio.h>
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#include "hal/gpio_types.h"
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#include "nvs_flash.h"
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#include "lwip/err.h"
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#include "lwip/sys.h"
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#include "esp_log.h"
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#include "esp_sleep.h"
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#include "driver/gpio.h"
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#include "driver/i2c.h"
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#include "ledController.h"
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#include "scd4x_i2c.h"
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#include "sensirion_i2c_hal.h"
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#include "scd4x_data.h"
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#include "BTlib_nimble.h"
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void app_main(void){
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init_nvs();
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nvs_handle_t nvs_handle;
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ESP_ERROR_CHECK(nvs_open("main", NVS_READWRITE, &nvs_handle));
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// setup GPIOs
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gpio_config_t VBAT_OK_c = {
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GPIO_NUM_3,
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GPIO_MODE_INPUT,
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GPIO_PULLUP_DISABLE,
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GPIO_PULLDOWN_DISABLE,
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GPIO_INTR_DISABLE,
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};
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ESP_ERROR_CHECK(gpio_config(&VBAT_OK_c));
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configuration_data_t* conf = malloc(sizeof(configuration_data_t));
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init_conf_from_nvs(conf, nvs_handle);
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uint8_t led_nb=0;
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ESP_ERROR_CHECK(nvs_get_u8(nvs_handle, "led_nb", &led_nb));
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// init LEDs driver
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init_led_driver(conf->leds, conf->led_nb);
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// init BLE
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initBle(conf);
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// start sensor
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init_scd4x();
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switch(conf->sensor->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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if(conf->sensor->mode & SCD4X_CAPTURE_ENABLED){
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TaskHandle_t sensor_fetch_handle;
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xTaskCreate(fetch_sensor_task, "FETCH_SENSOR", 4096, conf, tskIDLE_PRIORITY, &sensor_fetch_handle);
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}
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while(1){
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vTaskDelay(1000 / portTICK_PERIOD_MS);
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}
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}
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void fetch_sensor_task(void* pvParameters){
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configuration_data_t* mainConf = (configuration_data_t*) pvParameters;
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scd4x_config_t* conf = mainConf->sensor;
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scd4x_data_t* measures = conf->measure;
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while(1){
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if(conf->mode == SCD4X_SS_MODE) scd4x_measure_single_shot();
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vTaskDelay(conf->delay * 1000 / portTICK_PERIOD_MS);
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uint16_t dataReady;
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scd4x_get_data_ready_status(&dataReady);
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if(!(dataReady & 0x07FF)) continue;
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int16_t error = scd4x_read_measurement(&measures->co2, &measures->temperature, &measures->humidity);
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if (error)
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ESP_LOGE("sensor fetch", "Error executing scd4x_read_measurement(): %i\n", error);
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update_led_status(mainConf->leds, mainConf->led_nb, conf->measure->co2);
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ble_sensor_notify();
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ESP_LOGI("MAIN", "co2 : %u ppm, temp : %ld m°C, hum : %ld mRH", conf->measure->co2, conf->measure->temperature, conf->measure->humidity);
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}
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}
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void init_nvs(void){
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esp_err_t ret = nvs_flash_init();
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if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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ESP_ERROR_CHECK(nvs_flash_erase());
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ret = nvs_flash_init();
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}
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ESP_ERROR_CHECK(ret);
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}
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void init_i2c(){
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int i2c_master_port = I2C_NUM_0;
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i2c_config_t conf = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = CONFIG_SDA_PIN,
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.sda_pullup_en = GPIO_PULLUP_DISABLE,
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.scl_io_num = CONFIG_SCL_PIN,
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.scl_pullup_en = GPIO_PULLUP_DISABLE,
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.master.clk_speed = 10000,
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// .clk_flags = 0, /*!< Optional, you can use I2C_SCLK_SRC_FLAG_* flags to choose i2c source clock here. */
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};
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i2c_param_config(i2c_master_port, &conf);
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i2c_driver_install(i2c_master_port, I2C_MODE_MASTER, 0, 0, 0);
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}
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void init_scd4x(){
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scd4x_wake_up();
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scd4x_stop_periodic_measurement();
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scd4x_reinit();
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}
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