68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 1995 Andrew McRae. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $Id: wrreg.c,v 1.4 1996/04/18 04:24:58 nate Exp $
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#include <pccard/card.h>
|
|
|
|
int
|
|
wrreg_main(argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
int reg, value;
|
|
char name[64];
|
|
int fd;
|
|
struct pcic_reg r;
|
|
|
|
if (argc != 4) {
|
|
fprintf(stderr, "usage: wrreg slot reg value\n");
|
|
exit(1);
|
|
}
|
|
sprintf(name, CARD_DEVICE, atoi(argv[1]));
|
|
fd = open(name, 2);
|
|
if (fd < 0) {
|
|
perror(name);
|
|
exit(1);
|
|
}
|
|
if (sscanf(argv[2], "%x", ®) != 1 ||
|
|
sscanf(argv[3], "%x", &value) != 1) {
|
|
fprintf(stderr, "arg error\n");
|
|
exit(1);
|
|
}
|
|
r.reg = reg;
|
|
r.value = value;
|
|
if (ioctl(fd, PIOCSREG, &r))
|
|
perror("ioctl");
|
|
return 0;
|
|
}
|