pwm.h

#pragma once
 
/************************************************************************************************
 * @file   pwm.h
 *
 * @brief  PWM Library Header file
 *
 * @date   2025-03-01
 * @author Midnight Sun Team #24 - MSXVI
 ************************************************************************************************/
 
/* Standard library Headers */
#include <stdbool.h>
#include <stdint.h>
 
/* Inter-component Headers */
 
/* Intra-component Headers */
#include "status.h"
 
typedef enum {
  PWM_TIMER_1 = 0, 
  PWM_TIMER_2,     
  PWM_TIMER_15,    
  PWM_TIMER_16,    
  NUM_PWM_TIMERS,  
} PwmTimer;
 
typedef enum {
  PWM_CHANNEL_1 = 0, 
  PWM_CHANNEL_2,     
  PWM_CHANNEL_3,     
  PWM_CHANNEL_4,     
  PWM_CHANNEL_5,     
  PWM_CHANNEL_6,     
  NUM_PWM_CHANNELS   
} PwmChannel;
 
#define pwm_init_hz(timer, frequency) pwm_init((timer), 1000000 / (frequency))
 
StatusCode pwm_init(PwmTimer timer, uint16_t period_us);
 
StatusCode pwm_set_pulse(PwmTimer timer, uint16_t pulse_width_us, PwmChannel channel, bool n_channel_en);
 
StatusCode pwm_set_dc(PwmTimer timer, uint16_t dc, PwmChannel channel, bool n_channel_en);
 
uint16_t pwm_get_period(PwmTimer timer);
 
uint16_t pwm_get_dc(PwmTimer timer, PwmChannel channel);