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<body class='hmmessage'><div dir='ltr'><font style="" color="#000000" face="Tahoma,sans-serif">Luis,<br><br> This is already done and in testing on the RPi2 and will be in the next update in about a month at hamvoip.org.<br id="FontBreak"></font><br><b><font style="font-size:16pt;" size="4">73 Doug</font><font style="font-size:16pt;" size="4"><br></font><font style="font-size:16pt;" size="4">WA3DSP</font><font style="font-size:16pt;" size="4"><br></font><font style="font-size:16pt;" size="4">http://www.crompton.com/hamradio</font></b><font style="font-size:16pt;" size="4"><br></font><br><br><div><hr id="stopSpelling">Date: Mon, 27 Apr 2015 14:21:41 -0700<br>From: lcejaqui@ucsc.edu<br>To: app_rpt-users@ohnosec.org<br>Subject: [App_rpt-users] All Star Link GPIO Odroid U3<br><br><div dir="ltr"><span style="font-size:12.8000001907349px;">I am trying to use All Star Link without modifying a cm 108 chip. I am trying to use the GPIO pins on the Odroid U3 expansion I/O board to control the repeater logic signals (COR/PTT) but all I could find was information on using either the GPIO pins on the cm108 fob (which must be modified to use) or using a parallel port. The Odroid U3 doesn't have a parallel port and I think the native GPIO pins should have the capacity to use the COR/PTT signals.</span><div style="font-size:12.8000001907349px;"><br></div><div style="font-size:12.8000001907349px;">I can't find any information on how to go about using the native GPIO pins on an sbc for All Star Link. Is there a way to do this?</div><div style="font-size:12.8000001907349px;"><br></div><div style="font-size:12.8000001907349px;">My thoughts on an approach to this:</div><div style="font-size:12.8000001907349px;">1. create a driver or port that uses the GPIO pins as a parallel port</div><div style="font-size:12.8000001907349px;">2. provide a memory address to the rpt.conf file that has a value corresponding to the GPIO status so that it may be read as a parallel port</div><div style="font-size:12.8000001907349px;">3. alter the software to use native GPIO as another option as opposed to parallel port</div><div style="font-size:12.8000001907349px;"><br></div><div style="font-size:12.8000001907349px;">I am not sure how to approach any of these options. I think option 3 would be best but I don't know how this is possible. May i get some suggestions or help regarding this? Thanks!</div></div>
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