[App_rpt-users] Remote Bases with 16 channel radios?

[Ed Wilhelm]

In the app_rpt.c source there is mention of cop 31, Channel Selector for 
Parallel Programmed Xcvr and ppp16. Have asked several times on the list 
about this but never got a response. Any gurus out there have any info?

BCD channel steering would certainly be a better solution than pulsing 
the up down selector.

Ed W8VT

On 6/10/2015 9:53 AM, Skyler F wrote:
> Has anybody ever created a remote base with a radio like the SM120 16 
> channel commercial radio? Would it be possible to use the URI to 
> specify the channel I want to go to, for example, hooking a GPIO pin 
> to the "channel -" button and hooking another to the "channel +" 
> button? So if I am on channel 1 and want to go to 7, the GPIO for 
> "chan +" would have to pulse 6 times.  That wouldn't be very reliable 
> probably because there is no confirmation that you are actually on the 
> right channel, but this is how I would do it:
>
> When a channel change is requested, pulse 16 or more times on the 
> "chan -" button to make sure it is on channel 1. Then count the + 
> button up to the channel number you want to go to. That idea, however 
> wouldn't work on the SM120 because going below channel 1 brings you 
> back to 16.
>
> Another idea I have is put one channel on a frequency reference (maybe 
> those 150mhz re-broadcasts of radio stations?) and then find the 
> channel you want based on that reference.
>
> Another idea yet would be to use a few more GPIO pins to see which 
> elements of the 7-segment displays are lit up and then make an 
> estimate on which channel you currently are on.
>
>  Any other ideas?
>
>
> 73
> Skyler kd0whb
>
>
>
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