pit.h

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#ifndef _PIT_H_
#define _PIT_H_

#include "types.h"

#define PIT_CH0_DATA 0x40
#define PIT_CH2_DATA 0x42
#define PIT_CMD      0x43

#define PIT_CH0      0x0
#define PIT_CH2      0x2

#define PIT_ACCESS_LATCH 0x0
#define PIT_ACCESS_LO_BYTE 0x1
#define PIT_ACCESS_HI_BYTE 0x2

#define PIT_MODE_INTERRUPT 0
#define PIT_MODE_ONESHOT 1
#define PIT_MODE_RATE 2
#define PIT_MODE_SQUARE_WAVE 3
#define PIT_MODE_SOFT_STROBE 4
#define PIT_MODE_HARD_STROBE 5

#define PIT_VAL_16BIT 0
#define PIT_VAL_BCD   1

#define PIT_FREQUENCY_HZ 19886
//#define PIT_FREQUENCY_HZ 50

void PIT_Initialize();

//Prevent public access to this function
//void PIT_SetFrequency(uint8_t channel, uint8_t access,uint8_t mode, uint8_t valType, uint32_t frequency);
uint32_t PIT_GetFrequency();
void PIT_Sleep(uint32_t interval);

void PIT_SetEnableMode(bool enabled);

#endif /* end of include guard: _PIT_H_ */