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Added help() and --help flag

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This commit is contained in:
David Schleef 2002-09-25 01:02:57 +00:00
parent e5b72fbbd2
commit 8aad2de2c4
1 changed files with 24 additions and 1 deletions
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25
comedi_calibrate/comedi_calibrate.c
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@ -69,6 +69,7 @@ struct option options[] = {
{ "verbose", 0, 0, 'v' },
{ "quiet", 0, 0, 'q' },
{ "file", 1, 0, 'f' },
{ "help", 0, 0, 'h' },
{ "driver-name", 1, 0, 0x1000 },
{ "device-name", 1, 0, 0x1001 },
{ "reset", 0, &do_reset, 1 },
@ -84,6 +85,22 @@ struct option options[] = {
{ 0 },
};
void help(void)
{
printf("comedi_calibrate [options] - autocalibrates a Comedi device\n");
printf(" --verbose, -v \n");
printf(" --quiet, -q \n");
printf(" --help, -h \n");
printf(" --file, -f [/dev/comediN] \n");
printf(" --driver-name [driver] \n");
printf(" --device-name [device] \n");
printf(" --[no-]reset \n");
printf(" --[no-]calibrate \n");
printf(" --[no-]dump \n");
printf(" --[no-]results \n");
printf(" --[no-]output \n");
}
int main(int argc, char *argv[])
{
char *fn = NULL;
@ -106,6 +123,10 @@ int main(int argc, char *argv[])
switch (c) {
case 0:
continue;
case 'h':
help();
exit(0);
break;
case 'f':
fn = optarg;
break;
@ -122,7 +143,7 @@ int main(int argc, char *argv[])
devicename = optarg;
break;
default:
//printf("bad option %d\n",c);
help();
exit(1);
}
}
@ -205,6 +226,8 @@ ok:
if(do_calibrate && setup.do_cal) setup.do_cal( &setup );
if(do_results) observe( &setup );
comedi_close(dev);
return 0;
}