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<p><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Hi,<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">I haven’t encountered that error message before myself. Is that in a GRC flowgraph you fashioned, or when you run the sample one I have the gr-baz/samples directory?<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">That block output (with the ‘msg’ type) must be used with the Message Callback block (also in gr-baz) to handle auto-tuning messages sent by the FSK4 demodulator. Alternatively, you can choose to switch off that output port in the OP25 decoder block’s properties.<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Hopefully that helps – let me know!<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">PS: Regarding running audio_p25_rx.py, I have in the past used some variant of:<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";">sudo ./audio_p25_rx.py -a -I hw:1,0 -g 15<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">‘sudo’ was necessary for creating the ‘tun’ device so I could capture frames in Wireshark. ‘-I hw:1,0’ was to select the second (non-default) sound card (you could leave this off if using the default), and ‘-g’ would have been for the gain. YMMV!<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">I believe there is another example of a full command line you could specify on the OP25 wiki. (You can also just put an ‘-h’ on the end to explore the available options.)<o></o></span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"><o> </o></span></p><div style="border-left:solid blue 1.5pt;"><div><div style="border-top:solid #B5C4DF 1.0pt;"><p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;">From:</span></b><span lang="EN-US" style="font-size:10.0pt;"> op25-dev@yahoogroups.com [mailto:op25-dev@yahoogroups.com] <b>On Behalf Of </b>allanjs1986<br><b>Sent:</b> Wednesday, 11 April 2012 9:41 PM<br><b>To:</b> op25-dev@yahoogroups.com<br><b>Subject:</b> [op25-dev] Re: HELP lol<o></o></span></p></div></div><p class="MsoNormal"><o> </o></p><p class="MsoNormal"> <o></o></p><div id="ygrp-mlmsg"><div id="ygrp-msg"><div id="ygrp-text"><p>Hi thanks in the op25 decoder block in GRC there is an error msg<br>>>> Source - tune(2):<br>Type "msg" is not a possible type.<br><br>And how the hec do i run the ./audio_p25_rx.py -a command in terminal<br>If you cant tell i am a complete noob.<o></o></p></div><div><p class="MsoNormal"><span style="color:white;"><o></o></span></p></div></div></div></div></div></p>
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