104-ESP32_SDK开发-软件定时器esp_timer

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

#define gpio_pin 25

esp_timer_handle_t esp_timer_handle_t1 = 0;

/*定时器中断函数*/
void esp_timer_cb(void *arg) {
    /*设置gpio输出高低电平*/
    gpio_set_level(gpio_pin, 1-gpio_get_level(gpio_pin));
}

void gpio_init(void) {
    gpio_config_t io_conf;
    //禁止中断
    io_conf.intr_type = GPIO_PIN_INTR_DISABLE;
    //输入输出模式
    io_conf.mode = GPIO_MODE_INPUT_OUTPUT;
    //配置要设置的引脚
    io_conf.pin_bit_mask = (unsigned long long)1 << gpio_pin;
    //禁用上拉下拉
    io_conf.pull_down_en = 0;
    io_conf.pull_up_en = 0;
    //配置GPIO
    gpio_config(&io_conf);
}

void app_main(void) {
    gpio_init();
    const esp_timer_create_args_t periodic_timer_args = {
        .callback = &esp_timer_cb,
        .arg = NULL,
        .name = "periodic_gpiotoggle"
    };
    ESP_ERROR_CHECK(esp_timer_create(&periodic_timer_args, &esp_timer_handle_t1));
    ESP_ERROR_CHECK(esp_timer_start_periodic(esp_timer_handle_t1, 1000000)); // 1秒
}