[arm-allstar] New RPI2 installation IAXRpt drops out.

[Doug Crompton]

Bernie,

Glad you found a solution. usbradio will work although it can have rough audio even in the best of conditions on a PC. If it satisfies you then great. Also if this is a one way, just RX, why not leave the COS always keyed in simpleusb. Maybe I don't get the whole picture but if it is a private just to iaxrpt that should work. iaxrpt is full duplex in that you can send commands and audio downstream even if the other end is keyed.
73 Doug
WA3DSP
http://www.crompton.com/hamradio


> From: bmcintosh at paceprofessional.co.uk
> To: arm-allstar at hamvoip.org
> Date: Wed, 5 Aug 2015 00:58:47 +0100
> Subject: Re: [arm-allstar] New RPI2 installation IAXRpt drops out.
> 
>  
> 
> Hi,
> 
> First of all apologies for sending out earlier mails under the 
> silly "digest" subject header. I don't use lists very often and 
> this slipped by.
> 
> Secondly, thanks very much for the rapid help and support.
> 
> I don't want to move to using COS for two reasons. One is that 
> I have already purchased four soundcards that were from 
> different origins and all use the dreaded blob construction. 
> Looks like virtually all do these days.  The vendor of the ones 
> you have listed will not ship to the uk.  The other reason is 
> that the radio, which is part of the team's set, does not have 
> COS available.
> 
> We can always just up the budget and get something suitable but 
> here in the UK, mountain rescue is unpaid voluntary work and 
> the budget is accordingly tight. Another alternative is some 
> point to point audio streaming and a simple GPIO remote 
> operating program over ssh. In one sense using asterisk for my  
> problem is a bit of a sledgehammer to crack a nut. But iaxrpt 
> looks really good and easy to use as a dispatch console and 
> that's what drives me to use the full-blown apt-rpt solution.
> 
> So cogniscent of your advice - the receiver must present COS 
> even for a half-duplex remote access system, I thought I'd try 
> the usbradio solution  and dsp COS. I was actually expecting it 
> to be poor after all that I've read, but in fact it seems to 
> work a treat. I've only done some basic bench testing so it is 
> early days, but the quality does seem good enough.
> 
> Again, because of the soundcard procurement problem, for the 
> PTT I've used the PI gpio and the channel variable/event 
> handler solution outlined a few times by others on the list. It 
> was a little tricky initially, with timing issues causing a 
> lock up. Remember I'm just operating a transceiver, not a 
> separate rx / tx combination and since I am using squelch COS 
> detection, when I go into TX from iaxrpt, the system thinks 
> that the receive channel is occupied and tries to perpuate the 
> TX forever.
> 
> Anyway, all resolved now and the system working perfectly the 
> way I wanted it. Doug, you sure have saved a lot of work with 
> your image and your support. I'm most grateful.
> 
> 
> Very 73
> 
> Bernie
> GM4WZG
> 
> 
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