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Almathera Ten Pack 3: CDPD 3
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741
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rkrm_devices
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rkrm_devices.lha
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Timer
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Get_Systime.c
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C/C++ Source or Header
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1992-09-03
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4KB
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113 lines
/*
* Copyright (c) 1992 Commodore-Amiga, Inc.
*
* This example is provided in electronic form by Commodore-Amiga, Inc. for
* use with the "Amiga ROM Kernel Reference Manual: Devices", 3rd Edition,
* published by Addison-Wesley (ISBN 0-201-56775-X).
*
* The "Amiga ROM Kernel Reference Manual: Devices" contains additional
* information on the correct usage of the techniques and operating system
* functions presented in these examples. The source and executable code
* of these examples may only be distributed in free electronic form, via
* bulletin board or as part of a fully non-commercial and freely
* redistributable diskette. Both the source and executable code (including
* comments) must be included, without modification, in any copy. This
* example may not be published in printed form or distributed with any
* commercial product. However, the programming techniques and support
* routines set forth in these examples may be used in the development
* of original executable software products for Commodore Amiga computers.
*
* All other rights reserved.
*
* This example is provided "as-is" and is subject to change; no
* warranties are made. All use is at your own risk. No liability or
* responsibility is assumed.
*
*****************************************************************************
*
* Get_Systime.c
*
* Get system time example
*
* Compile with SAS C 5.10: LC -b1 -cfistq -v -y -L
*
* Run from CLI only
*/
#include <exec/types.h>
#include <exec/io.h>
#include <exec/memory.h>
#include <devices/timer.h>
#include <clib/exec_protos.h>
#include <clib/alib_protos.h>
#include <clib/dos_protos.h>
#include <clib/intuition_protos.h>
#include <stdio.h>
#ifdef LATTICE
int CXBRK(void) { return(0); } /* Disable SAS CTRL/C handling */
int chkabort(void) { return(0); } /* really */
#endif
struct timerequest *TimerIO;
struct MsgPort *TimerMP;
struct Message *TimerMSG;
VOID main(VOID);
void main()
{
LONG error;
ULONG days,hrs,secs,mins,mics;
if (TimerMP = CreatePort(0,0))
{
if (TimerIO = (struct timerequest *)
CreateExtIO(TimerMP,sizeof(struct timerequest)) )
{
/* Open with UNIT_VBLANK, but any unit can be used */
if (!(error=OpenDevice(TIMERNAME,UNIT_VBLANK,(struct IORequest *)TimerIO,0L)))
{
/* Issue the command and wait for it to finish, then get the reply */
TimerIO->tr_node.io_Command = TR_GETSYSTIME;
DoIO((struct IORequest *) TimerIO);
/* Get the results and close the timer device */
mics=TimerIO->tr_time.tv_micro;
secs=TimerIO->tr_time.tv_secs;
/* Compute days, hours, etc. */
mins=secs/60;
hrs=mins/60;
days=hrs/24;
secs=secs%60;
mins=mins%60;
hrs=hrs%24;
/* Display the time */
printf("\nSystem Time (measured from Jan.1,1978)\n");
printf(" Days Hours Minutes Seconds Microseconds\n");
printf("%6ld %6ld %6ld %6ld %10ld\n",days,hrs,mins,secs,mics);
/* Close the timer device */
CloseDevice((struct IORequest *) TimerIO);
}
else
printf("\nError: Could not open timer device\n");
/* Delete the I/O request structure */
DeleteExtIO(TimerIO);
}
else
printf("\nError: Could not create I/O structure\n");
/* Delete the port */
DeletePort(TimerMP);
}
else
printf("\nError: Could not create port\n");
}