k-chow/k/events/pic/pit.h

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#ifndef PIT_H
#define PIT_H
#define PIT_COUNTER_0 0x40
#define PIT_COUNTER_1 0x41
#define PIT_COUNTER_2 0x42
#define PIT_CONTROL_REG 0x43
#define PIT_MODE_2 (0x2 << 1)
#define PIT_RW_LSB (0x1 << 4)
#define PIT_RW_MSB (0x1 << 5)
#define PIT_DIVIDER 11931
void pit_handler(void);
unsigned long gettick(void);
void init_pit(void);
#endif /* !PIT_H */