#include #include #include "sdkconfig.h" #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "esp_chip_info.h" #include "esp_flash.h" #include "esp_system.h" void app_main(void) { printf("Hello world!\n"); /* Print chip information */ esp_chip_info_t chip_info; uint32_t flash_size; esp_chip_info(&chip_info); printf("This is %s chip with %d CPU core(s), %s%s%s%s, ", CONFIG_IDF_TARGET, chip_info.cores, (chip_info.features & CHIP_FEATURE_WIFI_BGN) ? "WiFi/" : "", (chip_info.features & CHIP_FEATURE_BT) ? "BT" : "", (chip_info.features & CHIP_FEATURE_BLE) ? "BLE" : "", (chip_info.features & CHIP_FEATURE_IEEE802154) ? ", 802.15.4 (Zigbee/Thread)" : ""); unsigned major_rev = chip_info.revision / 100; unsigned minor_rev = chip_info.revision % 100; printf("silicon revision v%d.%d, ", major_rev, minor_rev); if(esp_flash_get_size(NULL, &flash_size) != ESP_OK) { printf("Get flash size failed"); return; } printf("%" PRIu32 "MB %s flash\n", flash_size / (uint32_t)(1024 * 1024), (chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external"); printf("Minimum free heap size: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size()); 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(); }