ESP32(一) GPIO

点灯方法(一)

#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"

#define LED_PIN GPIO_NUM_18

void app_main() {
    gpio_config_t btn_config = {
            .pin_bit_mask = (1ULL << LED_PIN),
            .mode = GPIO_MODE_OUTPUT,
            .pull_up_en = GPIO_PULLUP_DISABLE,
            .pull_down_en = GPIO_PULLDOWN_DISABLE,
            .intr_type = GPIO_INTR_DISABLE,
    };
    gpio_config(&btn_config);

    while (1) {
        gpio_set_level(LED_PIN, 1);
        vTaskDelay(1000 / portTICK_PERIOD_MS);
        gpio_set_level(LED_PIN, 0);
        vTaskDelay(1000 / portTICK_PERIOD_MS);
    }
}

点灯方法(二)

#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"
#include "sdkconfig.h"

#define LED_PIN GPIO_NUM_10

void app_main(void){
    gpio_reset_pin(LED_PIN);
    gpio_set_direction(LED_PIN,GPIO_MODE_OUTPUT);
    while (1){
        gpio_set_level(LED_PIN, 0);
        vTaskDelay(1000 / portTICK_PERIOD_MS);
        gpio_set_level(LED_PIN, 1);
        vTaskDelay(1000 / portTICK_PERIOD_MS);
    }
}