stv0g/comedilib
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Applied (slightly modified) patch from David MacMahon

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<davidm -at- astro -dot- berkeley -dot- edu>.
Reports specific error string (strerror(errno)) if comedi_open fails (I
changed the format slightly from David's).
Displays subdevice flags as a hexadecimal number.
This commit is contained in:
Ian Abbott 2006-07-13 12:43:14 +00:00
parent f149577d8a
commit 761ffc3e90
1 changed files with 4 additions and 1 deletions
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5
demo/info.c
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@ -47,13 +47,14 @@ int main(int argc,char *argv[])
int n_subdevices,type;
int chan,n_chans;
int n_ranges;
int subdev_flags;
comedi_range *rng;
parse_options(argc,argv);
it=comedi_open(filename);
if(!it){
fprintf(stderr,"cannot open %s\n",filename);
fprintf(stderr,"cannot open %s: %s\n",filename, strerror(errno));
exit(0);
}
@ -69,6 +70,8 @@ int main(int argc,char *argv[])
printf(" type: %d (%s)\n",type,subdevice_types[type]);
if(type==COMEDI_SUBD_UNUSED)
continue;
subdev_flags = comedi_get_subdevice_flags(it, i);
printf(" flags: 0x%08x\n",subdev_flags);
n_chans=comedi_get_n_channels(it,i);
printf(" number of channels: %d\n",n_chans);
if(!comedi_maxdata_is_chan_specific(it,i)){