38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
#include <stdio.h>
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_system.h"
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#include "esp_spi_flash.h"
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void restart() {
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for (int i = 3; i >= 0; i--) {
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printf("Restarting in %d seconds...\n", i);
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vTaskDelay(1000 / portTICK_PERIOD_MS);
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}
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printf("Restarting now.\n");
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fflush(stdout);
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esp_restart();
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}
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void app_main(void) {
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printf("Hello world!\n");
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/* Print chip information */
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esp_chip_info_t chip_info;
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esp_chip_info(&chip_info);
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printf("This is %s chip with %d CPU core(s), WiFi%s%s, ",
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CONFIG_IDF_TARGET,
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chip_info.cores,
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(chip_info.features & CHIP_FEATURE_BT) ? "/BT" : "",
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(chip_info.features & CHIP_FEATURE_BLE) ? "/BLE" : "");
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printf("silicon revision %d, ", chip_info.revision);
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printf("%dMB %s flash\n", spi_flash_get_chip_size() / (1024 * 1024),
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(chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
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printf("Minimum free heap size: %d bytes\n", esp_get_minimum_free_heap_size());
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restart();
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}
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