[arm-allstar] Remote Base BCD Channel Steering

[Doug Crompton]

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

          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

                > From: 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

                > _______________________________________________

                > 

                > arm-allstar mailing list

                > arm-allstar at hamvoip.org

                > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar

                > 

                > Visit the BBB and RPi2 web page - http://hamvoip.org

                > 

              
            
            

            
            

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