#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/ledc.h"
#define pinServo_forChannel_0 2
#define pinServo_forChannel_1 4
uint32_t duty;

void Servo(){
   // First configure the timer of the LEDC  
    ledc_timer_config_t Timer = {  
        .speed_mode = LEDC_LOW_SPEED_MODE,  
        .timer_num = LEDC_TIMER_0,  
        .duty_resolution = LEDC_TIMER_13_BIT,  
        .freq_hz = 50,  
        .clk_cfg = LEDC_AUTO_CLK  
    };  
    ledc_timer_config(&Timer);  

    // Second configure the channel of the LEDC  
    ledc_channel_config_t ledc_channel = {  
        .speed_mode = LEDC_LOW_SPEED_MODE,  
        .channel = LEDC_CHANNEL_0,  
        .timer_sel = LEDC_TIMER_0,  
        .intr_type = LEDC_INTR_DISABLE,  
        .gpio_num = pinServo_forChannel_0,  
        .duty = 0,
        .hpoint = 0  
    };  
    ledc_channel_config(&ledc_channel);  
    // Finally, set and update the PWM 
    for (uint32_t i = 200; i < 1000; i += 50) {  
        duty = i;  
        ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0, duty);
        //printf("duty->%ld\n", ledc_get_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0));
        printf("duty -> %ld\n", duty);  
        ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0);  
        vTaskDelay(1000 / portTICK_PERIOD_MS); 
         ledc_stop(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0 , 0); 
    }
}

void app_main() {
  printf("Hello, Wokwi!\n");
  while (true) {
    Servo();
  }
}