44 lines
693 B
C
44 lines
693 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <pccard/card.h>
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int
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wrreg_main(argc, argv)
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int argc;
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char *argv[];
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{
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int reg,value;
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char name[64];
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int fd;
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struct pcic_reg r;
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if (argc != 4)
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{
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fprintf(stderr, "usage: wrreg slot reg value\n");
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exit(1);
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}
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sprintf(name, "/dev/card%d", atoi(argv[1]));
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fd = open(name, 2);
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if (fd < 0)
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{
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perror(name);
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exit(1);
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}
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if (sscanf(argv[2], "%x", ®) != 1 ||
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sscanf(argv[3], "%x", &value) != 1)
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{
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fprintf(stderr, "arg error\n");
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exit(1);
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}
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r.reg = reg;
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r.value = value;
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if (ioctl(fd, PIOCSREG, &r))
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perror("ioctl");
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return 0;
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}
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