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#include <Arduino.h>
#include "driver/mcpwm.h"  
#include "soc/mcpwm_reg.h"
#include "soc/mcpwm_struct.h"

#define GPIO_PWM0A_OUT 12   //Declara GPIO 12 como PWM0A
#define GPIO_PWM0B_OUT 14   //Declara GPIO 14 como PWM0B

void setup() {
  Serial.begin(9600);
  mcpwm_gpio_init(MCPWM_UNIT_0, MCPWM0A, GPIO_PWM0A_OUT);
  mcpwm_gpio_init(MCPWM_UNIT_0, MCPWM0B, GPIO_PWM0B_OUT); 

  mcpwm_config_t pwm_config;
 
  pwm_config.frequency = 3200;                          //frequência = 500Hz,
  pwm_config.cmpr_a = 90;                                //Ciclo de trabalho (duty cycle) do PWMxA = 0
  pwm_config.cmpr_b = 90;                                //Ciclo de trabalho (duty cycle) do PWMxb = 0
  pwm_config.counter_mode = MCPWM_UP_COUNTER;           //Para MCPWM assimetrico
  pwm_config.duty_mode = MCPWM_DUTY_MODE_0;             //Define ciclo de trabalho em nível alto
  //Inicia(Unidade 0, Timer 0, Config PWM)
  mcpwm_init(MCPWM_UNIT_0, MCPWM_TIMER_0, &pwm_config); //Define PWM0A & PWM0B com as configurações acim
  
  //mcpwm_sync_enable(MCPWM_UNIT_0, MCPWM_TIMER_0, MCPWM_SELECT_SYNC_OUT0, 0);

  //MCPWM0.timer[0].sync.out_sel = 1;
  //delay(100);
  //MCPWM0.timer[0].sync.out_sel = 0;

  //mcpwm_set_duty(MCPWM_UNIT_0, MCPWM_TIMER_0, MCPWM_OPR_A, 70);
  //mcpwm_set_duty(MCPWM_UNIT_0, MCPWM_TIMER_0, MCPWM_OPR_B, 60);

  Serial.println("Setup");

  delay(50);
}

void loop() {
  
  Serial.println("Loop");
for(int i=0;i<100;i++) {
  mcpwm_set_signal_low(MCPWM_UNIT_0, MCPWM_TIMER_0, MCPWM_OPR_B);
  mcpwm_set_duty(MCPWM_UNIT_0, MCPWM_TIMER_0, MCPWM_OPR_A, i);
  mcpwm_set_duty_type(MCPWM_UNIT_0, MCPWM_TIMER_0, MCPWM_OPR_A, MCPWM_DUTY_MODE_0);
  Serial.println(i);
  delay(250);
  }

  delay(1000);
}