timer_counter_0.h

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/*
 * SPDX-License-Identifier: GPL-3.0-only
 * This file is part of Lazuli.
 */

#ifndef LAZULI_SYS_ARCH_AVR_TIMER_COUNTER_0_H
#define LAZULI_SYS_ARCH_AVR_TIMER_COUNTER_0_H

#include <stdint.h>

#include <Lazuli/common.h>

_EXTERN_C_DECL_BEGIN

/*
 * Timer 0 registers definitions.
 * Ordered by address.
 */

#define TIFR0  DIRECT(0x35)

#define TCCR0A DIRECT(0x44)

#define TCCR0B DIRECT(0x45)

#define TCNT0  DIRECT(0x46)

#define OCR0A  DIRECT(0x47)

#define OCR0B  DIRECT(0x48)

#define TIMSK0 DIRECT(0x6e)

typedef struct {
  volatile uint8_t tccr0a; 
  volatile uint8_t tccr0b; 
  volatile uint8_t tcnt0;  
  volatile uint8_t ocr0a;  
  volatile uint8_t ocr0b;  
}TimerCounter0;

enum {
  TCCR0A_WGM00  = POSITION(0U), 
  TCCR0A_WGM01  = POSITION(1U), 
  TCCR0A_COM0B0 = POSITION(4U), 
  TCCR0A_COM0B1 = POSITION(5U), 
  TCCR0A_COM0A0 = POSITION(6U), 
  TCCR0A_COM0A1 = POSITION(7U)  
};

enum {
  TCCR0B_CS00  = POSITION(0U), 
  TCCR0B_CS01  = POSITION(1U), 
  TCCR0B_CS02  = POSITION(2U), 
  TCCR0B_WGM02 = POSITION(3U), 
  TCCR0B_FOC0B = POSITION(6U), 
  TCCR0B_FOC0A = POSITION(7U)  
};

enum {
  TIMSK0_TOIE0 = POSITION(0U),

  TIMSK0_OCIE0A = POSITION(1U),

  TIMSK0_OCIE0B = POSITION(2U)
};

enum {
  TIFR0_TOV0  = POSITION(0U), 
  TIFR0_OCF0A = POSITION(1U), 
  TIFR0_OCF0B = POSITION(2U)  
};

_EXTERN_C_DECL_END

#endif /* LAZULI_SYS_ARCH_AVR_TIMER_COUNTER_0_H */