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devconf.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <sys/types.h>
#include <asm/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <signal.h>
#include <sched.h>
#include <sys/resource.h>
#include <sys/io.h>
#include <E12user.h>
#include <packet.h>
#include <coprocessor.h>



#define ARGCHECK(num){if(argc!=num){printf("invalid number of arguements\n");help();return -1;}}

#define OPENDEV(filed,dev){if((filed = open(dev, O_RDWR))<=0){printf("couldn't open %s\n",dev);return -1;}}

static int help(void)
{
const char *help_table = "**********************************************
*devconf                                     *
*Nathan Z. Gustavson                         *
*Emac.inc                                    * 
*"__DATE__"                                 *   
*usage:                                      *   
*devconf device irq address                  *
*ex:                                         *
*devconf /dev/37e12 10 0x220                 *
*configures the 37e12 device                 *
*/dev/37e12 to irq 10 and address 0x220      *
*configurations last until the driver is     *
*unloaded                                    *
**********************************************\n";
printf("%s",help_table);
return 0;
}

#define VERSIONMASK BITMASK(VERSIONINFO)

int main(int argc, char **argv)
{
int fd;
E12_config_struct config;

ARGCHECK(4);
OPENDEV(fd,argv[1]);

config.address = strtoul(argv[3],NULL,0);
config.IRQ     = strtoul(argv[2],NULL,0);
config.IRQedge = 1;

ioctl(fd, E12_CONFIG,&config);

close(fd);

return 0;

  }

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