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demo/mmap: use comedi_get_cmd_generic_timed()

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Use local function prepare_cmd_lib() -- which uses
comedi_get_cmd_generic_timed() -- to prepare a good command for the
device.  Bail out early if it fails.
This commit is contained in:
Ian Abbott 2016-11-08 14:25:43 +00:00
parent 1e8ca17ba9
commit ad70295bb4
1 changed files with 8 additions and 2 deletions
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10
demo/mmap.c
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@ -110,8 +110,14 @@ int main(int argc, char *argv[])
chanlist[i] = CR_PACK(options.channel + i, options.range, options.aref);
}
//prepare_cmd_lib(dev, options.subdevice, options.n_scan, options.n_chan, 1e9 / options.freq, cmd);
prepare_cmd(dev, options.subdevice, options.n_scan, options.n_chan, 1e9 / options.freq, cmd);
/* prepare_cmd_lib() uses a Comedilib routine to find a
* good command for the device. prepare_cmd() explicitly
* creates a command, which may not work for your device. */
ret = prepare_cmd_lib(dev, options.subdevice, options.n_scan, options.n_chan, 1e9 / options.freq, cmd);
//prepare_cmd(dev, options.subdevice, options.n_scan, options.n_chan, 1e9 / options.freq, cmd);
if(ret < 0){
exit(1);
}
ret = comedi_command_test(dev, cmd);