No, we have 40 some units in the field, so not really practical.

On Fri, May 17, 2019 at 5:52 PM Rick <[email protected]> wrote:

> Add a usb sound card ?
>
>
>
> Verzonden vanaf mijn Samsung-apparaat
>
>
> -------- Oorspronkelijk bericht --------
> Van: Seth Stevenson <[email protected]>
> Datum: 17-05-2019 20:57 (GMT+01:00)
> Aan: Fred Gleason <[email protected]>
> Cc: [email protected]
> Onderwerp: Re: [RDD] GPIO on Raspberry Pi
>
> So basically, I got it to work. The button on the switcher activates the
> macro and plays the audio file in rdairplay. However, there is no sound,
> due to rivendell competing with the soundcard installed on top of the gpio.
> Not sure there is any way to get around that except to use the pi onboard
> audio. This is a Pi B+. I'm guessing that it just is not workable.
>
> On Thu, May 16, 2019 at 11:18 AM Fred Gleason <[email protected]>
> wrote:
>
>> On Thu, 2019-05-16 at 10:58 -0400, Seth Stevenson wrote:
>> > I was testing gpio on the raspberry pi. It seem when the I set up the
>> > carts on the gpio lines in RDADMIN it froze the whole pi up. I am
>> > using the kernel gpio and it is hooked up to a Burk LX-1 switcher.
>> > Any reason for this? As long as Rivendell is running the pi is locked
>> > up.
>>
>> A lot is going to depend on the specific model and what else is going
>> on on the pi. Kernel GPIO gives access to the entire set of defined
>> GPIOs, some of which are used for other things --e.g. the serial
>> console-- that shouldn't be messed with from user space. If you try to
>> use those pins, 'undefined things' can happen. Things get even more
>> complicated if there's a hat installed, as those too use various pins
>> in ways that are specific to the particular hat.
>>
>> Bottom line, make a careful study of the GPIO allocation for the
>> particular model of pi in use, then ensure that you are modifying only
>> otherwise unused GPIOs.
>>
>> Cheers!
>>
>>
>> |---------------------------------------------------------------------|
>> | Frederick F. Gleason, Jr. |             Chief Developer             |
>> |                           |             Paravel Systems             |
>> |---------------------------------------------------------------------|
>> |         A room without books is like a body without a soul.         |
>> |                                                                     |
>> |                                                         -- Cicero   |
>> |---------------------------------------------------------------------|
>>
>> _______________________________________________
>> Rivendell-dev mailing list
>> [email protected]
>> http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
>>
>
>
> --
> Seth A. Stevenson
> Station Operations Manager
> Bible Broadcasting Network
>


-- 
Seth A. Stevenson
Station Operations Manager
Bible Broadcasting Network
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