[OZAPRS] DreamPlug as an IGate???

Steve stevez at tpg.com.au
Sun Jul 10 16:28:45 EST 2011


Andrew,

That sounds fantastic.
Can you offer any examples of tested USB units that have the required 
chipset and that have good access to the required GPIO signal?
I'll be hitting eBay, etc, the minute you do ;-)

Thanks very much.

Steve.


On 07/10/2011 04:17 PM, Andrew Errington wrote:
> On Sun, 10 Jul 2011 14:09:05 Steve wrote:
>> soundmodem is what you want. I've been using it on VHF for years and it
>> was brilliant for that.
>> Recently, I've been using it for HF, and it seems to be OK for that too.
> In case anyone is interested, v0.16 of soundmodem supports the use of GPIO
> lines on CM108 USB audio dongles to control PTT.  It's not fully tested yet,
> but it seems to work.
>
> To use it you have to solder a wire onto one of the tiny pins on the USB audio
> chip, then hook that up to the PTT transistor as normal.
>
> It should also work with audio chips from 3S (SSS1621 and SSS1623), but you
> need a patch for that (which I have).
>
> What it means is that a single USB device, with a single connection to the
> host, provides Tx audio, Rx audio and PTT.  There is no need for a wire to a
> serial or parallel port (or a USB serial or parallel adapter if you don't
> have the port).
>
> 73,
>
> Andrew
> ZL3AME
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