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<div class="moz-cite-prefix">Just saw the Repeater Builder link.
None of that stuff exists. Will be going from the rpi gpio to
probably a ULN2803 and then to the 4 pins on the accessory
connector.<br>
<br>
If nothing is pulled low the radio will operate normally.<br>
<br>
Ed<br>
<br>
<br>
On 01/20/2016 10:09 PM, Doug Crompton wrote:<br>
</div>
<blockquote cite="mid:BLU171-W667B3F74AB5EEA728225C6BAC30@phx.gbl"
type="cite">
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<div dir="ltr"><font style="" face="Tahoma,sans-serif"
color="#000000">OK, So am I to assume the external diode BCD
steering does not exist and the RPi2 just controls the 4 bits
(or 5) bits straight into the radio? If all are high the front
panel works?<br>
<br>
</font><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"><a class="moz-txt-link-freetext" href="http://www.crompton.com/hamradio">http://www.crompton.com/hamradio</a></font></b><font
style="font-size:16pt;" size="4"><br>
</font><br>
<br>
<div>
<hr id="stopSpelling">Date: Wed, 20 Jan 2016 17:33:27 -0800<br>
From: <a class="moz-txt-link-abbreviated" href="mailto:kg6uyz@gmail.com">kg6uyz@gmail.com</a><br>
To: <a class="moz-txt-link-abbreviated" href="mailto:arm-allstar@hamvoip.org">arm-allstar@hamvoip.org</a><br>
Subject: Re: [arm-allstar] Remote Base BCD Channel Steering<br>
<br>
<div dir="ltr">
<div>For a GM300 you supply a GND trigger to one or more of
the 4 channel steering pins. The pins have to stay
grounded to stay on the channel you selected, if you
release the triggers the radio reverts back to whatever
channel you last manually selected with the channel
up/down button.<br>
<br>
</div>
Example in this link: <a moz-do-not-send="true"
href="http://www.repeater-builder.com/motorola/maxtrac/remote-channel-select.html"
target="_blank">http://www.repeater-builder.com/motorola/maxtrac/remote-channel-select.html</a><br>
<br>
</div>
<div class="ecxgmail_extra"><br>
<div class="ecxgmail_quote">On Wed, Jan 20, 2016 at 2:04 PM,
Doug Crompton <span dir="ltr"><<a
moz-do-not-send="true" href="mailto:doug@crompton.com"
target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:doug@crompton.com">doug@crompton.com</a></a>></span>
wrote:<br>
<blockquote class="ecxgmail_quote" style="border-left:1px
#ccc solid;padding-left:1ex;">
<div>
<div dir="ltr"><font face="Tahoma,sans-serif"
color="#000000">Ed,<br>
<br>
OK fine. I can supply an example if you want but
I was wondering what they wanted to see. Do you
set the four lines BCD and then strobe another pin
to load it? That is often the way it is done or
maybe it just monitors the lines for them being
stable and switches?<br>
</font><span><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"><a
moz-do-not-send="true"
href="http://www.crompton.com/hamradio"
target="_blank"><a class="moz-txt-link-freetext" href="http://www.crompton.com/hamradio">http://www.crompton.com/hamradio</a></a></font></b><font
style="font-size:16pt;" size="4"><br>
</font><br>
<br>
</span>
<div><span>
<hr>To: <a moz-do-not-send="true"
href="mailto:arm-allstar@hamvoip.org"
target="_blank">arm-allstar@hamvoip.org</a><br>
From: <a moz-do-not-send="true"
href="mailto:vacuumtubesforever@gmail.com"
target="_blank">vacuumtubesforever@gmail.com</a><br>
</span>Date: Wed, 20 Jan 2016 16:44:27 -0500
<div>
<div class="h5"><br>
Subject: Re: [arm-allstar] Remote Base BCD
Channel Steering<br>
<br>
<div>Doug,<br>
<br>
Nothing fancy, just 16 channel stuff.
GM300, Maxtracs, Kenwood 90 series stuff.
Just got to yank the lines low. <br>
<br>
Ed<br>
<br>
On 1/20/2016 11:14 AM, Doug Crompton wrote:<br>
</div>
<blockquote>
<div dir="ltr"><font
face="Tahoma,sans-serif" color="#000000">Ed,<br>
<br>
What is the format of the BCD control
you are wanting? 16 channels - 0001 -
1111 ??</font> <font
face="Tahoma,sans-serif"> Does the radio
take TTL levels? Is there a strobe bit
once the other bits are setup?</font><font
face="Tahoma,sans-serif"><br>
</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"><a moz-do-not-send="true"
href="http://www.crompton.com/hamradio"
target="_blank">http://www.crompton.com/hamradio</a></font></b><font
style="font-size:16pt;" size="4"><br>
</font><br>
<br>
<div>
<hr>To: <a moz-do-not-send="true"
href="mailto:arm-allstar@hamvoip.org"
target="_blank">arm-allstar@hamvoip.org</a><br>
From: <a moz-do-not-send="true"
href="mailto:vacuumtubesforever@gmail.com"
target="_blank">vacuumtubesforever@gmail.com</a><br>
Date: Wed, 20 Jan 2016 06:31:55 -0500<br>
Subject: Re: [arm-allstar] Remote Base
BCD Channel Steering<br>
<br>
<div>Hi Doug,<br>
<br>
Never did get a response. Was trying
to avoid reinventing the wheel.<br>
<br>
Never thought of using the patch
command to do DTMF stuff. Will do some
investigating.<br>
That's the cool thing about
Allstar/Asterisk, if you can think of
something, there's usually a way to do
it.<br>
<br>
All your efforts are really
appreciated.<br>
<br>
Ed W8VT<br>
<br>
On 1/19/2016 9:21 PM, Doug Crompton
wrote:<br>
</div>
<blockquote>
<div dir="ltr"><font
face="Tahoma,sans-serif"
color="#000000">Ed,<br>
<br>
In researching I saw you asked the
same question years ago and I did
not see an answer then. Did you
ever get one?<br>
<br>
<a moz-do-not-send="true"
href="http://lists.allstarlink.org/pipermail/app_rpt-users/2013-February/005962.html"
target="_blank">http://lists.allstarlink.org/pipermail/app_rpt-users/2013-February/005962.html</a><br>
<br>
Using the GPIO on the Pi to BCD
control a radio would not be hard.
In fact a user has already done
that using function codes and an
external script I wrote to control
the bits. It is in use
commercially. <br>
<br>
The idea for the future code we
are writing is to get specific
stuff out of the base code and put
it where users can create their
own interfaces to whatever
hardware they want.<br>
<br>
Here are the basics of how I would
do it....<br>
<br>
Use the patch command (with a
different code) to pass DTMF to a
Linux script via an
extensions.conf dial plan.<br>
Then the script would take the
number sent, convert it to BCD or
any other format the radio
requires<br>
and send it to the GPIO bits. Of
course you would have to interface
those bits to the actual hardware.<br>
</font><br>
<font face="Tahoma,sans-serif">If
you needed to pass a code to a
remote node you would use the
standard codes to pass the command
to the remote nodes dial plan.</font><br>
<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"><a
moz-do-not-send="true"
href="http://www.crompton.com/hamradio"
target="_blank"><a class="moz-txt-link-freetext" href="http://www.crompton.com/hamradio">http://www.crompton.com/hamradio</a></a></font></b><font
style="font-size:16pt;" size="4"><br>
</font><br>
<br>
<div>> To: <a
moz-do-not-send="true"
href="mailto:arm-allstar@hamvoip.org"
target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:arm-allstar@hamvoip.org">arm-allstar@hamvoip.org</a></a><br>
> From: <a
moz-do-not-send="true"
href="mailto:vacuumtubesforever@gmail.com"
target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:vacuumtubesforever@gmail.com">vacuumtubesforever@gmail.com</a></a><br>
> Date: Tue, 19 Jan 2016
20:04:16 -0500<br>
> Subject: [arm-allstar] Remote
Base BCD Channel Steering<br>
> <br>
> Is this supported with the
current image? If so, anyone know
the <br>
> details, what gpio pins, etc?<br>
> <br>
> Tnx<br>
> <br>
> Ed W8VT<br>
> Beckley WV<br>
> Nodes 27849, 29496, 29982<br>
>
_______________________________________________<br>
> <br>
> arm-allstar mailing list<br>
> <a moz-do-not-send="true"
href="mailto:arm-allstar@hamvoip.org"
target="_blank">arm-allstar@hamvoip.org</a><br>
> <a moz-do-not-send="true"
href="http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar"
target="_blank">http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar</a><br>
> <br>
> Visit the BBB and RPi2 web
page - <a moz-do-not-send="true"
href="http://hamvoip.org"
target="_blank">http://hamvoip.org</a><br>
> <br>
</div>
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<br>
<br clear="all">
<br>
-- <br>
<div class="ecxgmail_signature">Jeff Ackerman<br>
<a moz-do-not-send="true" href="mailto:kg6uyz@gmail.com"
target="_blank">kg6uyz@gmail.com</a><br>
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