[arm-allstar] Remote Base BCD Channel Steering

[Ed Wilhelm]

Doug,

Just need to pull the pins low. They need to stay low to maintain that 
channel. The Motorola's and the Kenwood's work the same way.

Yes, would like to see what you have in mind.

Tnx

Ed

On 01/20/2016 05:04 PM, Doug Crompton wrote:
> Ed,
>
>  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?
>
> *73 Doug
> WA3DSP
> http://www.crompton.com/hamradio*
>
>
> ------------------------------------------------------------------------
> To: arm-allstar at hamvoip.org
> From: vacuumtubesforever at gmail.com
> Date: Wed, 20 Jan 2016 16:44:27 -0500
> Subject: Re: [arm-allstar] Remote Base BCD Channel Steering
>
> 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 <mailto:arm-allstar at hamvoip.org>
>     From: vacuumtubesforever at gmail.com
>     <mailto: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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