fp-wier-controller/main/app/beep.c

/**
 * @Author: 李建
 * @Date: 2025/4/22 10:24
 * Description: 蜂鸣器模块
 * Copyright: Copyright (©) 2025 永续绿建. All rights reserved.
 */
#include "freertos/FreeRTOS.h"
#include <freertos/event_groups.h>
#include "beep.h"
#include "driver/ledc.h"
#include "esp_err.h"
#include "esp_timer.h"
#include "main.h"
#include "extend_io.h"
#include "driver/gptimer.h"
#include "soc/timer_group_struct.h"
#define BEEP_BIT BIT0
#define STOP_BEEP_BIT BIT1
static EventGroupHandle_t beep_event_group;
#include <driver/timer.h>
esp_timer_handle_t esp_timer_handle1 = 0; //定时器句柄
uint8_t beep_state = 0;
// 用户自定义ISR
static bool example_timer_on_alarm_cb(gptimer_handle_t timer, const gptimer_alarm_event_data_t *edata, void *user_ctx)
{
    uint32_t index=0;
    if (beep_state==1) {
        xEventGroupSetBits(beep_event_group, BEEP_BIT);
        index++;
        beep_state=2;
    }else if (beep_state==2){
        xEventGroupSetBits(beep_event_group, STOP_BEEP_BIT);
        beep_state=1;
    }
    if (index>=1000) {
        // esp_timer_stop(esp_timer_handle1);
        xEventGroupSetBits(beep_event_group, STOP_BEEP_BIT);
        gptimer_stop(timer);
        beep_state=0;
    }
    return false;
}
gptimer_handle_t gptimer = NULL;
void timer_init_lx1() {

    gptimer_config_t timer_config = {
        .clk_src = GPTIMER_CLK_SRC_DEFAULT, // 选择默认的时钟源
        .direction = GPTIMER_COUNT_UP,      // 计数方向为向上计数
        .resolution_hz = 1 * 1000 * 1000,   // 分辨率为 1 MHz，即 1 次滴答为 1 微秒
    };
    // 创建定时器实例
    ESP_ERROR_CHECK(gptimer_new_timer(&timer_config, &gptimer));
    gptimer_alarm_config_t alarm_config = {
        .reload_count = 0,      // 当警报事件发生时，定时器会自动重载到 0
        .alarm_count = 1600, // 设置实际的警报周期，因为分辨率是 1us，所以 1000000 代表 1s
        .flags.auto_reload_on_alarm = true, // 使能自动重载功能
    };
    // 设置定时器的警报动作

    ESP_ERROR_CHECK(gptimer_set_alarm_action(gptimer, &alarm_config));
    beep_event_group = xEventGroupCreate();
    gptimer_event_callbacks_t cbs = {
        .on_alarm = example_timer_on_alarm_cb, // 当警报事件发生时，调用用户回调函数
    };
    // 注册定时器事件回调函数，允许携带用户上下文
    ESP_ERROR_CHECK(gptimer_register_event_callbacks(gptimer, &cbs, NULL));
    // 使能定时器
    ESP_ERROR_CHECK(gptimer_enable(gptimer));
    // 启动定时器

}

void beep() {
    // if (beep_state==0) {
    //     beep_state=1;
    //     ESP_ERROR_CHECK(gptimer_start(gptimer));
    // }
}

void beep_stop() {
    // // xEventGroupSetBits(beep_event_group, STOP_BEEP_BIT);
    // xEventGroupSetBits(beep_event_group, STOP_BEEP_BIT);
    // gptimer_stop(gptimer);
    // beep_state=0;
}

static void set_beep() {

}

static void set_beep_stop() {
    // // Stop fading
    // ESP_ERROR_CHECK(ledc_set_duty(LEDC_MODE, LEDC_CHANNEL, 0));
    // // Update duty to apply the new value
    // ESP_ERROR_CHECK(ledc_update_duty(LEDC_MODE, LEDC_CHANNEL));
}

static void beep_task(void * arg) {
    for(;;) {
        EventBits_t bits = xEventGroupWaitBits(beep_event_group, BEEP_BIT | STOP_BEEP_BIT, pdTRUE, pdFALSE, portMAX_DELAY);
        if(bits & BEEP_BIT) {
            hc595_gpio_write(2,1);
        }
        if(bits & STOP_BEEP_BIT) {
            hc595_gpio_write(2,0);
        }
    }
}

/**
 * @brief 蜂鸣器模块初始化
 */
void beep_init(void) {
    // timer_init_lx1();
    // hc595_gpio_write(2,0);
    beep_event_group = xEventGroupCreate();
    // xTaskCreate(beep_task, "beep_task", 2048, NULL, 5, NULL);
}