esp32点灯程序

使用的pin为D23 。

#include <stdio.h>
#include <inttypes.h>
#include "driver/gpio.h"
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_chip_info.h"
#include "esp_flash.h"

#define  BLINK_GPIO GPIO_NUM_23

void hello_task(void *pvParameter)
{
	int b =145;
	int *a= &b;
	while(1)
	{
	    printf("Hello world %d!\n",*a);
	    vTaskDelay(2000 / portTICK_PERIOD_MS);
	}
}

void blinky(void *pvParameter)
{
    gpio_set_direction(BLINK_GPIO, GPIO_MODE_OUTPUT);
    while(1) {
        gpio_set_level(BLINK_GPIO, 0);
        vTaskDelay(1000 / portTICK_PERIOD_MS);
        gpio_set_level(BLINK_GPIO, 1);
        vTaskDelay(1000 / portTICK_PERIOD_MS);
    }
}

/**
 *
 *

 https://docs.espressif.com/projects/esp-idf/zh_CN/latest/esp32/hw-reference/esp32/get-started-devkitc.html


 *
 *
 */
void app_main(void) {
	printf("Hello world!\n");
	int a = 123;
	xTaskCreate(&hello_task, "hello_task", 2048, &a, 5, NULL);
	xTaskCreate(&blinky, "blinky", 2048, &a, 5, NULL);
}

参考 ：

https://docs.espressif.com/projects/esp-idf/zh_CN/latest/esp32/hw-reference/esp32/get-started-devkitc.html

https://github.com/DiegoPaezA/ESP32-freeRTOS/blob/master/Task_FreeRTOS/main.c

https://lastminuteengineers.com/esp32-pinout-reference/