50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Hello World Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#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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#ifdef CONFIG_IDF_TARGET_ESP32
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#define CHIP_NAME "ESP32"
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#endif
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#ifdef CONFIG_IDF_TARGET_ESP32S2BETA
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#define CHIP_NAME "ESP32-S2 Beta"
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#endif
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void app_main(void)
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{
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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 cores, WiFi%s%s, ",
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CHIP_NAME,
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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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for (int i = 10; 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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