stv0g/comedilib
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Fix mistake getting buffer head position

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This commit is contained in:
David Schleef 2002-08-06 19:39:31 +00:00
parent b502ae1f17
commit cd6660ec58
1 changed files with 4 additions and 3 deletions
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7
demo/mmap.c
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@ -79,9 +79,10 @@ int main(int argc, char *argv[])
exit(1);
}
front = 0;
back = 0;
while(1){
front = comedi_get_buffer_offset(dev,subdevice);
front += comedi_get_buffer_contents(dev,subdevice);
if(verbose)fprintf(stderr,"front = %d, back = %d\n",front,back);
if(front<back)break;
if(front==back){
@ -150,8 +151,8 @@ int prepare_cmd(comedi_t *dev,int subdevice,comedi_cmd *cmd)
cmd->scan_end_src = TRIG_COUNT;
cmd->scan_end_arg = n_chan;
cmd->stop_src = TRIG_COUNT;
cmd->stop_arg = n_scan;
cmd->stop_src = TRIG_NONE;
cmd->stop_arg = 0;
cmd->chanlist = chanlist;
cmd->chanlist_len = n_chan;