131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include <stdio.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_wifi.h"
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#include "esp_log.h"
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#include "esp_vfs_fat.h"
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#include "APlib.h"
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#include "HTTPServe.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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struct fetch_sensor_config {
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uint16_t delay;
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uint16_t co2;
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int32_t temperature;
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int32_t humidity;
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};
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typedef struct fetch_sensor_config fetch_sensor_config_t;
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void fetch_sensor_task(void* pvParameters){
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fetch_sensor_config_t* conf = (fetch_sensor_config_t*) pvParameters;
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while(1){
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vTaskDelay(conf->delay * 1000 / portTICK_PERIOD_MS);
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int16_t error = scd4x_read_measurement(&conf->co2, &conf->temperature, &conf->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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}
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}
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void app_main(void){
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// init LEDs driver
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led_disp_config_t led_configs[] = {
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[0] = {
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.output = 4,
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.min = 1500,
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.max = 10000,
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.intensity = 100,
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.blink_duty_cycle = 1,
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.blink_delay = 255,
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},
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[1] = {
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.output = 5,
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.min = 700,
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.max = 1499,
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.intensity = 100,
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.blink_duty_cycle = 1,
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.blink_delay = 255,
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},
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[2] = {
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.output = 6,
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.min = 0,
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.max = 699,
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.intensity = 100,
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.blink_duty_cycle = 1,
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.blink_delay = 255,
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},
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};
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init_led_driver(led_configs, sizeof(led_configs)/sizeof(led_disp_config_t));
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// init wifi AP (and nvs)
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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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wifi_config_t wifi_config = wifi_config_generator("CO2Sense","testtest",1);
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wifi_init_softap(wifi_config);
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// mount http server fat partition
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const esp_vfs_fat_mount_config_t mount_config = {
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.max_files = 10,
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.format_if_mount_failed = false,
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.allocation_unit_size = CONFIG_WL_SECTOR_SIZE
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};
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esp_err_t err;
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err = esp_vfs_fat_rawflash_mount("/http", "http", &mount_config);
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if (err != ESP_OK) {
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ESP_LOGE("MAIN", "Failed to mount FATFS (%s)", esp_err_to_name(err));
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return;
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}
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// start http server
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HTTP_serve_config_t serv_config = {
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.mountpoint = "/http",
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.getUri = "/*",
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.postUri = "/*",
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};
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ESP_ERROR_CHECK(start_server(serv_config));
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// init scd41 sensor
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sensirion_i2c_hal_init(0,1);
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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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int16_t error = scd4x_start_periodic_measurement();
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if (error) {
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ESP_LOGE("MAIN", "Error executing scd4x_start_periodic_measurement(): %i\n",error);
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}
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// start fetch sensor task
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fetch_sensor_config_t sensor_conf = {
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.delay = 5,
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.co2 = 0,
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.temperature = 0,
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.humidity = 0,
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};
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TaskHandle_t sensor_fetch_handle;
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xTaskCreate(fetch_sensor_task, "FETCH_SENSOR", 4096, &sensor_conf, tskIDLE_PRIORITY, &sensor_fetch_handle);
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while(1){
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vTaskDelay(1000 / portTICK_PERIOD_MS);
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ESP_LOGI("MAIN", "co2 : %u ppm, temp : %d m°C, hum : %d mRH", sensor_conf.co2, sensor_conf.temperature, sensor_conf.humidity);
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update_led_status(led_configs, sizeof(led_configs)/sizeof(led_disp_config_t), sensor_conf.co2);
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}
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}
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