Support -c channel and -r range options.

diff --git a/demo/ao_waveform.c b/demo/ao_waveform.c
index ad6d823123a0d13195502740036fbffc4788b97f..10d07d15a8bca34e639c733165cb7917a9ac571f 100644 (file)
--- a/demo/ao_waveform.c
+++ b/demo/ao_waveform.c
@@ -107,8 +107,8 @@ int main(int argc, char *argv[])
        if(options.subdevice < 0)
                options.subdevice = comedi_find_subdevice_by_type(dev, COMEDI_SUBD_AO, 0);
 
-       maxdata = comedi_get_maxdata(dev, options.subdevice, 0);
-       rng = comedi_get_range(dev, options.subdevice, 0, 0);
+       maxdata = comedi_get_maxdata(dev, options.subdevice, options.channel);
+       rng = comedi_get_range(dev, options.subdevice, options.channel, options.range);
 
        offset = (double)comedi_from_phys(0.0, rng, maxdata);
        amplitude = (double)comedi_from_phys(1.0, rng, maxdata) - offset;
@@ -131,7 +131,7 @@ int main(int argc, char *argv[])
        cmd.chanlist_len = options.n_chan;
 
        chanlist[0] = CR_PACK(options.channel, options.range, options.aref);
-       chanlist[1] = CR_PACK(options.channel + 1, options.range, options.aref);
+       //chanlist[1] = CR_PACK(options.channel + 1, options.range, options.aref);
 
        dds_init(waveform_frequency, options.freq);