[arm-allstar] Remote Base BCD Channel Steering

[Ed Wilhelm]

Doug,

Nothing fancy, just 16 channel stuff.  GM300, Maxtracs, Kenwood 90 
series stuff. Just got to yank the lines low.

Ed

On 1/20/2016 11:14 AM, Doug Crompton wrote:
> Ed,
>
>  What is the format of the BCD control you are wanting? 16 channels - 
> 0001 - 1111 ?? Does the radio take TTL  levels? Is there a strobe bit 
> once the other bits are setup?
>
> *73 Doug
> WA3DSP
> http://www.crompton.com/hamradio*
>
>
> ------------------------------------------------------------------------
> To: arm-allstar at hamvoip.org
> From: vacuumtubesforever at gmail.com
> Date: Wed, 20 Jan 2016 06:31:55 -0500
> Subject: Re: [arm-allstar] Remote Base BCD Channel Steering
>
> Hi Doug,
>
> Never did get a response. Was trying to avoid reinventing the wheel.
>
> Never thought of using the patch command to do DTMF stuff. Will do 
> some investigating.
> That's the cool thing about Allstar/Asterisk, if you can think of 
> something, there's usually a way to do it.
>
> All your efforts are really appreciated.
>
> Ed W8VT
>
> On 1/19/2016 9:21 PM, Doug Crompton wrote:
>
>     Ed,
>
>     In researching I saw you asked the same question years ago and I
>     did not see an answer then. Did you ever get one?
>
>     http://lists.allstarlink.org/pipermail/app_rpt-users/2013-February/005962.html
>
>     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.
>
>     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.
>
>     Here are the basics of how I would do it....
>
>     Use the patch command (with a different code) to pass DTMF to a
>     Linux script via an extensions.conf dial plan.
>     Then the script would take the number sent, convert it to BCD or
>     any other format the radio requires
>     and send it to the GPIO bits. Of course you would have to
>     interface those bits to the actual hardware.
>
>     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.
>
>     *73 Doug
>     WA3DSP
>     http://www.crompton.com/hamradio*
>
>
>     > To: arm-allstar at hamvoip.org <mailto:arm-allstar at hamvoip.org>
>     > From: vacuumtubesforever at gmail.com
>     <mailto:vacuumtubesforever at gmail.com>
>     > Date: Tue, 19 Jan 2016 20:04:16 -0500
>     > Subject: [arm-allstar] Remote Base BCD Channel Steering
>     >
>     > Is this supported with the current image? If so, anyone know the
>     > details, what gpio pins, etc?
>     >
>     > Tnx
>     >
>     > Ed W8VT
>     > Beckley WV
>     > Nodes 27849, 29496, 29982
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