/* * SPDX-FileCopyrightText: 2010-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: CC0-1.0 */ #include #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "esp_chip_info.h" #include "esp_system.h" #include "esp_spi_flash.h" void app_main(void) { printf("Hello world!\n"); /* 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"); for (int i = 10; i >= 0; i--) { printf("Restarting in %d seconds...\n", i); vTaskDelay(1000 / portTICK_PERIOD_MS); } printf("Restarting now.\n"); fflush(stdout); esp_restart(); }