Hi All, I have been struggling with the strange behaviour of the configuration files in /usr/local/etc/gnuradio/conf.d This is the place where the following files with gnuradio user preferences live: gnuradio-core.conf gr-audio-jack.conf gr-wxgui.conf gr-audio-alsa.conf gr-audio-oss.conf
WHen trying some settings out, I backuped the original file gr-wxgui.conf to gr-wxgui.conf.orig and changed settings in gr-wxgui.conf Whatever I filled in, the old values where still used. It took me a while to find out that the filenames aren't even looked at. They are all read in by gnuradio/gr/prefs.py with the following code: def _sys_prefs_filenames(self): dir = _sys_prefs_dirname() try: fnames = os.listdir(dir) except (IOError, OSError): return [] fnames.sort() return [os.path.join(dir, f) for f in fnames] def _read_files(self): filenames = self._sys_prefs_filenames() filenames.append(_user_prefs_filename()) #print "filenames: ", filenames self.cp.read(filenames) What this comes down to that ALL files in conf.d are read in in alphabetical order. The last file read in overrides all values from the previous files. I don't know if this is documented somewhere, but it is something to be aware about. Don't make backup copies in conf.d But that is not all. I had already found out previously that the inline comments in the pref files prevent the settings from being read. For example in gr-wxgui.conf is: [wxgui] style = auto # 'gl', 'nongl', or 'auto' fft_rate = 10 # fftsink and waterfallsink frame_decim = 1 # scopesink The value the code gets for fft_rate is then: "10 # fftsink and waterfallsink" This gives an error because the code expects only a number. 10 Because of the error the build-in default of 15 will still be used. What would work is the following: #style = auto #'gl', 'nongl', or 'auto' #fft_rate = 15 #fftsink and waterfallsink #frame_decim = 1 # scopesink [wxgui] style = auto fft_rate = 10 frame_decim = 1 The uncommented lines before [wxgui] function only as documentation The lines after [wxgui] are the actual settings, no #comments allowed. The same problems are in gr-audio-alsa.conf and maybe others Greetings, Martin _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio