pit.h File Reference

#include "types.h"

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Macros
#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

Functions
void	PIT_Initialize ()
uint32_t	PIT_GetFrequency ()
void	PIT_Sleep (uint32_t interval)
void	PIT_SetEnableMode (bool enabled)

Macro Definition Documentation

#define PIT_ACCESS_HI_BYTE   0x2

#define PIT_ACCESS_LATCH   0x0

#define PIT_ACCESS_LO_BYTE   0x1

#define PIT_CH0   0x0

#define PIT_CH0_DATA   0x40

#define PIT_CH2   0x2

#define PIT_CH2_DATA   0x42

#define PIT_CMD   0x43

#define PIT_FREQUENCY_HZ   19886

#define PIT_MODE_HARD_STROBE   5

#define PIT_MODE_INTERRUPT   0

#define PIT_MODE_ONESHOT   1

#define PIT_MODE_RATE   2

#define PIT_MODE_SOFT_STROBE   4

#define PIT_MODE_SQUARE_WAVE   3

#define PIT_VAL_16BIT   0

#define PIT_VAL_BCD   1

Function Documentation

uint32_t PIT_GetFrequency

(

)

void PIT_Initialize

(

)

void PIT_SetEnableMode

(

bool

enabled

)

void PIT_Sleep

(

uint32_t

interval

)