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Made cmd demo work with SDF_LSAMPL subdevices.

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This commit is contained in:
Frank Mori Hess 2005-12-28 17:11:35 +00:00
parent 96fab11cad
commit caedc7bf15
1 changed files with 13 additions and 4 deletions
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17
demo/cmd.c
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@ -54,7 +54,8 @@ int main(int argc, char *argv[])
int total=0;
int i;
struct timeval start,end;
int subdev_flags;
parse_options(argc,argv);
/* The following global variables used in this demo are
@ -136,7 +137,7 @@ int main(int argc, char *argv[])
comedi_perror("comedi_command");
exit(1);
}
subdev_flags = comedi_get_subdevice_flags(dev, subdevice);
while(1){
ret=read(comedi_fileno(dev),buf,BUFSZ);
if(ret<0){
@ -148,10 +149,18 @@ int main(int argc, char *argv[])
break;
}else{
static int col = 0;
int bytes_per_sample;
total+=ret;
if(verbose)fprintf(stderr,"read %d %d\n",ret,total);
for(i=0;i<ret/2;i++){
printf("%d ",((sampl_t *)buf)[i]);
if(subdev_flags & SDF_LSAMPL)
bytes_per_sample = sizeof(lsampl_t);
else
bytes_per_sample = sizeof(sampl_t);
for(i = 0; i < ret / bytes_per_sample; i++){
if(subdev_flags & SDF_LSAMPL)
printf("%d ",((lsampl_t *)buf)[i]);
else
printf("%d ",((sampl_t *)buf)[i]);
col++;
if(col==n_chan){
printf("\n");