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timer.h
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C/C++ Source or Header
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1996-08-15
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1KB
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53 lines
#ifndef DEVICES_TIMER_H
#define DEVICES_TIMER_H 1
/*
** $VER: timer.h 36.16 (25.1.91)
** Includes Release 40.15
**
** Timer device name and useful definitions.
**
** (C) Copyright 1985-1993 Commodore-Amiga Inc.
** All Rights Reserved
*/
#include <exec/types.h>
#include <exec/io.h>
/* unit defintions */
#define UNIT_MICROHZ 0
#define UNIT_VBLANK 1
#define UNIT_ECLOCK 2
#define UNIT_WAITUNTIL 3
#define UNIT_WAITECLOCK 4
#define TIMERNAME "timer.device"
#ifndef _SYS_TIME_H_
/* Use whatever was included first, standard (<sys/time.h>) or
Amiga (<devices/timer.h>) includes. */
struct timeval {
ULONG tv_secs;
ULONG tv_micro;
};
#else
#define tv_secs tv_sec
#define tv_micro tv_usec
#endif
struct EClockVal {
ULONG ev_hi;
ULONG ev_lo;
};
struct timerequest {
struct IORequest tr_node;
struct timeval tr_time;
};
/* IO_COMMAND to use for adding a timer */
#define TR_ADDREQUEST CMD_NONSTD
#define TR_GETSYSTIME (CMD_NONSTD+1)
#define TR_SETSYSTIME (CMD_NONSTD+2)
#endif /* DEVICES_TIMER_H */