Tue, 08 Oct 2019 12:00:31 +0200
Initial import of the CO2 meter application.
/* * co2meter project. */ #include "config.h" static const char *TAG = "co2meter"; #define PIN_SDA (CONFIG_I2C_MASTER_SDA) #define PIN_SCL (CONFIG_I2C_MASTER_SCL) #define ROT_ENC_A_GPIO (CONFIG_ROT_ENC_A_GPIO) #define ROT_ENC_B_GPIO (CONFIG_ROT_ENC_B_GPIO) #define ROT_ENC_SW_GPIO (CONFIG_ROT_ENC_SW_GPIO) #define ENABLE_HALF_STEPS false ///< Set to true to enable tracking of rotary encoder at half step resolution #define RESET_AT 0 ///< Set to a positive non-zero number to reset the position if this value is exceeded #define FLIP_DIRECTION false ///< Set to true to reverse the clockwise/counterclockwise sense int Main_Loop1 = MAIN_LOOP1_INIT; ///< Loop 1 init int Main_Loop2 = -1; ///< Loop 2 invalid bool System_TimeOk = false; ///< System time status time_t now; ///< Current time struct tm timeinfo; ///< Current time structure char strftime_buf[64]; ///< Time buffer static RTC_DATA_ATTR struct timeval sleep_enter_time; static TaskHandle_t xTaskDS18B20 = NULL; static TaskHandle_t xTaskADC = NULL; static TaskHandle_t xTaskWifi = NULL; static TaskHandle_t xTaskMQTT = NULL; const esp_app_desc_t *app_desc = NULL; unit_t units[3]; ///< Pressure test units extern DS18B20_State *ds18b20_state; ///< DS18B20 state extern SemaphoreHandle_t xSemaphoreDS18B20; ///< DS18B20 lock semaphore extern ADC_State *adc_state; ///< ADC state extern SemaphoreHandle_t xSemaphoreADC; ///< ADC lock semaphore void app_main() { struct timeval now; gettimeofday(&now, NULL); int sleep_time_ms = (now.tv_sec - sleep_enter_time.tv_sec) * 1000 + (now.tv_usec - sleep_enter_time.tv_usec) / 1000; int New_Loop2 = MAIN_LOOP2_INIT; esp_err_t ret; Main_Loop1 = MAIN_LOOP1_INIT; Main_Loop2 = -1; switch (esp_sleep_get_wakeup_cause()) { case ESP_SLEEP_WAKEUP_EXT1: { uint64_t wakeup_pin_mask = esp_sleep_get_ext1_wakeup_status(); if (wakeup_pin_mask != 0) { int pin = __builtin_ffsll(wakeup_pin_mask) - 1; printf("Wake up from GPIO %d\n", pin); } else { printf("Wake up from GPIO\n"); } break; } case ESP_SLEEP_WAKEUP_TIMER: { ESP_LOGI(TAG, "Starting from deep sleep, timer wakeup after %dms", sleep_time_ms); break; } case ESP_SLEEP_WAKEUP_UNDEFINED: default: ESP_LOGI(TAG, "Starting from hard reset"); } const int wakeup_time_sec = 20; ESP_LOGI(TAG, "Enabling timer wakeup, %ds", wakeup_time_sec); esp_sleep_enable_timer_wakeup(wakeup_time_sec * 1000000); // const int ext_wakeup_pin_1 = ROT_ENC_SW_GPIO; // 25 in example, redefine to rotary name. // const uint64_t ext_wakeup_pin_1_mask = 1ULL << ext_wakeup_pin_1; // printf("Enabling EXT1 wakeup on pins GPIO%d\n", ext_wakeup_pin_1); // esp_sleep_enable_ext1_wakeup(ext_wakeup_pin_1_mask, ESP_EXT1_WAKEUP_ANY_HIGH); // TODO: what is the logic of the rotary button. // Isolate GPIO12 pin from external circuits. This is needed for modules // which have an external pull-up resistor on GPIO12 (such as ESP32-WROVER) // to minimize current consumption. // rtc_gpio_isolate(GPIO_NUM_12); app_desc = esp_ota_get_app_description(); /* * Initialize NVS */ ret = nvs_flash_init(); if (ret == ESP_ERR_NVS_NO_FREE_PAGES) { ESP_ERROR_CHECK(nvs_flash_erase()); ret = nvs_flash_init(); } ESP_ERROR_CHECK(ret); /* * Setup the OLED display. * See: https://github.com/nkolban/esp32-snippets/blob/master/hardware/displays/U8G2/ */ // u8g2_esp32_hal_t u8g2_esp32_hal = U8G2_ESP32_HAL_DEFAULT; // u8g2_esp32_hal.sda = PIN_SDA; // u8g2_esp32_hal.scl = PIN_SCL; // u8g2_esp32_hal_init(u8g2_esp32_hal); // u8g2_t u8g2; // a structure which will contain all the data for one display //// u8g2_Setup_ssd1306_i2c_128x32_univision_f( // u8g2_Setup_sh1106_i2c_128x64_noname_f( // &u8g2, // U8G2_R0, // //u8x8_byte_sw_i2c, // u8g2_esp32_i2c_byte_cb, // u8g2_esp32_gpio_and_delay_cb); // init u8g2 structure // u8x8_SetI2CAddress(&u8g2.u8x8,0x78); // ESP_LOGI(TAG, "u8g2_InitDisplay"); // u8g2_InitDisplay(&u8g2); // send init sequence to the display, display is in sleep mode after this, // ESP_LOGI(TAG, "u8g2_SetPowerSave"); // u8g2_SetPowerSave(&u8g2, 0); // wake up display // ESP_LOGI(TAG, "u8g2_ClearBuffer"); // u8g2_ClearBuffer(&u8g2); // ESP_LOGI(TAG, "u8g2_DrawBox"); // u8g2_DrawBox(&u8g2, 0, 26, 80,6); // u8g2_DrawFrame(&u8g2, 0,26,100,6); // ESP_LOGI(TAG, "u8g2_SetFont"); // u8g2_SetFont(&u8g2, u8g2_font_ncenB14_tr); // ESP_LOGI(TAG, "u8g2_DrawStr"); // u8g2_DrawStr(&u8g2, 2,17,"Hi nkolban!"); // ESP_LOGI(TAG, "u8g2_SendBuffer"); // u8g2_SendBuffer(&u8g2); ESP_LOGI(TAG, "Initializing SPIFFS"); esp_vfs_spiffs_conf_t conf = { .base_path = "/spiffs", .partition_label = NULL, .max_files = 5, .format_if_mount_failed = true }; // Use settings defined above to initialize and mount SPIFFS filesystem. // Note: esp_vfs_spiffs_register is an all-in-one convenience function. ret = esp_vfs_spiffs_register(&conf); if (ret != ESP_OK) { if (ret == ESP_FAIL) { ESP_LOGE(TAG, "Failed to mount or format filesystem"); } else if (ret == ESP_ERR_NOT_FOUND) { ESP_LOGE(TAG, "Failed to find SPIFFS partition"); } else { ESP_LOGE(TAG, "Failed to initialize SPIFFS (%d)", ret); } // _fg = TFT_RED; // TFT_print((char *)"error\r\n", LASTX, LASTY); return; // Stop application. } size_t total = 0, used = 0; ret = esp_spiffs_info(NULL, &total, &used); if (ret != ESP_OK) { ESP_LOGE(TAG, "Failed to get SPIFFS partition information"); // _fg = TFT_RED; // TFT_print((char *)"error\r\n", LASTX, LASTY); return; // Stop application. } else { ESP_LOGI(TAG, "Partition size: %d, used: %d - %d%%", total, used, (used * 100) / total); } // Just to debug, list the /spiffs filesystem. #if 1 DIR *dir = opendir("/spiffs"); struct dirent* de = readdir(dir); while (de) { if (de->d_type == DT_REG) { printf("F "); } if (de->d_type == DT_DIR) { printf("D "); } printf("%s\n", de->d_name); de = readdir(dir); } closedir(dir); #endif /* * Read or create configuration */ // TFT_print((char *)"Ophalen configuratie ", LASTX, LASTY); read_config(); read_units(); //add_station((uint8_t *)"MBSE_WLR", (uint8_t *)"abcjkltuv"); //remove_station((uint8_t *)"MBSE_WLP"); //sprintf(config.lastSSID, "%s", "BREWER"); //write_config(); xSemaphoreDS18B20 = xSemaphoreCreateMutex(); xSemaphoreADC = xSemaphoreCreateMutex(); xTaskCreate(&task_ds18b20, "task_ds18b20", 2560, NULL, 8, &xTaskDS18B20); xTaskCreate(&task_adc, "task_adc", 2560, NULL, 8, &xTaskADC); esp_log_level_set("wifi", ESP_LOG_ERROR); xTaskCreate(&task_wifi, "task_wifi", 4096, NULL, 3, &xTaskWifi); vTaskDelay( (TickType_t)10); xTaskCreate(&task_mqtt, "task_mqtt", 4096, NULL, 5, &xTaskMQTT); // esp32-rotary-encoder requires that the GPIO ISR service is installed before calling rotary_encoder_register() // ESP_ERROR_CHECK(gpio_install_isr_service(0)); // Initialise the rotary encoder device with the GPIOs for A and B signals // rotary_encoder_info_t info = { 0 }; // ESP_ERROR_CHECK(rotary_encoder_init(&info, ROT_ENC_A_GPIO, ROT_ENC_B_GPIO)); // ESP_ERROR_CHECK(rotary_encoder_enable_half_steps(&info, ENABLE_HALF_STEPS)); #ifdef FLIP_DIRECTION // ESP_ERROR_CHECK(rotary_encoder_flip_direction(&info)); #endif // Create a queue for events from the rotary encoder driver. // Tasks can read from this queue to receive up to date position information. // QueueHandle_t event_queue = rotary_encoder_create_queue(); // ESP_ERROR_CHECK(rotary_encoder_set_queue(&info, event_queue)); /* Print chip information */ // esp_chip_info_t chip_info; // esp_chip_info(&chip_info); // printf("This is ESP32 chip with %d CPU cores, WiFi%s%s, ", // chip_info.cores, // (chip_info.features & CHIP_FEATURE_BT) ? "/BT" : "", // (chip_info.features & CHIP_FEATURE_BLE) ? "/BLE" : ""); // printf("silicon revision %d, ", chip_info.revision); // printf("%dMB %s flash\n", spi_flash_get_chip_size() / (1024 * 1024), // (chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external"); // esp_err_t status = adc2_vref_to_gpio(GPIO_NUM_26); // if (status == ESP_OK) { // printf("v_ref routed to GPIO\n"); // } else { // printf("failed to route v_ref\n"); // } // vTaskDelay(1000 * wakeup_time_sec / portTICK_PERIOD_MS); /* * Main application loop. */ while (1) { ESP_LOGI(TAG, "Entered app loop"); /* Measure process or user input via rotary switch */ while (1) { switch (Main_Loop1) { case MAIN_LOOP1_INIT: ESP_LOGI(TAG, "Loop timer: Init"); // If configured do MAIN_LOOP1_CONNECT Main_Loop1 = MAIN_LOOP1_CONNECT; requestWiFi_system(true); request_ds18b20(); request_adc(); break; case MAIN_LOOP1_CONNECT: if (ready_WiFi()) Main_Loop1 = MAIN_LOOP1_MQTT_CONNECT; break; case MAIN_LOOP1_MQTT_CONNECT: if (ready_ds18b20() && ready_adc()) { connect_mqtt(true); Main_Loop1 = MAIN_LOOP1_WAITCON; ESP_LOGI(TAG, "Loop timer: Wait MQTT"); /* Get global temperature, use for all units. */ uint32_t temp = 0; int state = 0; if (xSemaphoreTake(xSemaphoreDS18B20, 10) == pdTRUE) { temp = (ds18b20_state->bottle_temperature * 1000); state = (ds18b20_state->bottle_error == 0) ? 0:1; xSemaphoreGive(xSemaphoreDS18B20); } /* Copy measured data and calculate results */ for (int i = 0; i < 3; i++) { units[i].temperature = temp; units[i].temperature_state = state; if (xSemaphoreTake(xSemaphoreADC, 10) == pdTRUE) { units[i].pressure_state = adc_state->Pressure[i].error; units[i].pressure_channel = adc_state->Pressure[i].channel; units[i].pressure_voltage = adc_state->Pressure[i].voltage; units[i].pressure_zero = 110; int P = (units[i].pressure_voltage / (adc_state->Batt_voltage / 1000) - units[i].pressure_zero) * 14; // in bar if (P < 0) P = 0; units[i].pressure = P; printf("%d volt: %d batt: %d scale: %d bar: %d\n", i, units[i].pressure_voltage, adc_state->Batt_voltage, units[i].pressure_voltage / (adc_state->Batt_voltage / 1000) - units[i].pressure_zero, P); // Moet die echt op 5 volt? // Verbruik 10 mA // Setup tijd max 2 mS xSemaphoreGive(xSemaphoreADC); } } write_units(); } break; // calculate stap en data copy case MAIN_LOOP1_WAITCON: if (ready_mqtt()) Main_Loop1 = MAIN_LOOP1_SEND; break; case MAIN_LOOP1_SEND: ESP_LOGI(TAG, "Loop timer: Send MQTT"); publishNode(); publishUnits(); Main_Loop1 = MAIN_LOOP1_MQTT_DISCONNECT; break; case MAIN_LOOP1_WAITACK: break; case MAIN_LOOP1_MQTT_DISCONNECT: ESP_LOGI(TAG, "Loop timer: Disconnect MQTT"); connect_mqtt(false); Main_Loop1 = MAIN_LOOP1_DISCONNECT; break; case MAIN_LOOP1_DISCONNECT: if (! ready_mqtt()) { ESP_LOGI(TAG, "Loop timer: WiFi off"); requestWiFi_system(false); Main_Loop1 = MAIN_LOOP1_WIFI_OFF; } break; case MAIN_LOOP1_WIFI_OFF: if (! ready_WiFi()) { ESP_LOGI(TAG, "Loop timer: Done"); Main_Loop1 = MAIN_LOOP1_DONE; } break; case MAIN_LOOP1_DONE: break; } /* * One time actions */ if (New_Loop2 != Main_Loop2) { Main_Loop2 = New_Loop2; switch (Main_Loop2) { case MAIN_LOOP2_INIT: ESP_LOGI(TAG, "Loop user: Init"); // u8g2_SetPowerSave(&u8g2, 0); // wake up display // u8g2_ClearBuffer(&u8g2); // New_Loop2 = MAIN_LOOP2_INACTIVE; New_Loop2 = MAIN_LOOP2_DONE; break; case MAIN_LOOP2_INACTIVE: // u8g2_SetPowerSave(&u8g2, 1); // powersave display New_Loop2 = MAIN_LOOP2_DONE; break; default: break; } } /* * Action process. */ switch (Main_Loop2) { // If wakeup from GPIO -- state machine 2 // Init OLED // If not configured, start configure // If configured select first unit // New rotate position, set screen, reset waittimer // Handle screen (first is show measured values) // Count inactivity // flag if inactive and OLED lowpower. // Break if all done and inactive. default: break; } if (Main_Loop1 == MAIN_LOOP1_DONE && Main_Loop2 == MAIN_LOOP2_DONE) break; vTaskDelay(10 / portTICK_PERIOD_MS); } // printf("Simulate deep sleep\n"); // vTaskDelay(1000 * wakeup_time_sec / portTICK_PERIOD_MS); printf("Entering deep sleep\n"); gettimeofday(&sleep_enter_time, NULL); esp_deep_sleep_start(); Main_Loop1 = MAIN_LOOP1_INIT; New_Loop2 = MAIN_LOOP2_INIT; } }