The original reply from Ken, suggesting problems may be encountered if COS was set when asterisk starts, or if it stays set for too long seems to have been at least part of the problem. I restarted Asterisk rather than just reloading config, and things starting behaving more as expected - with verbosity set to 7 I'm now seeing RPT_RXKEYED = 1 every now and again. Many thanks for all your help - that's another hurdle crossed. 73 Jim M0HPJ On 12 February 2012 16:14, Jim Whiteside <jaydublu2002@gmail.com> wrote:
To answer a previous query - yes I'm pretty confident it's a CM108 - lsusb reports "ID 0d8c:013c C-Media Electronics, Inc."
I did also wonder about the other ctcss settings but commenting them out and reloading the config makes no difference.
My app_rpt is version 0.287 - as supplied with the AllStar ACID distro.
Jim M0HPJ
I dont know if this has been fixed in more recent versions, but if you have the ctcss=no then you must comment out these arguments in the usbradio.conf:
;txctcssdefault=94.8 ;rxctcssfreqs=94.8 ;txctcssfreqs=94.8
If you don't then App-Rpt is still looking for a valid ctcss tone and cor to activate.
Jon VA3RQ
On 12 February 2012 12:34, Jim Whiteside <jaydublu2002@gmail.com> wrote:
Assuming COS is connected to the Volume Down pin on the CM108 then how about plugging the fob into another PC which is not running the Asterisk drivers and see if the volume control is affected when COS is asserted?
On my PC, if I press volume down, either on the keyboard or on an unmodified USB sound fob then a volume bar pops up in the centre of the screen. It's very visible.
Naturally, there may be a 'correct' way to do this with some sort of built-in diagnostics...
73,
Andrew ZL3AME
That's a good plan.
So I take an unmodified fob, that does have volume buttons on, and plug it into a PC. 'volume down' button does indeed trigger the windows volume bar. But this fob and button don't do anything on Asterisk.
My modified fob - taking pin 48 to gnd also triggers the volume down on Windows, so that suggests it's not hardware?
Jim M0HPJ
On 12 February 2012 11:45, Jim Whiteside <jaydublu2002@gmail.com> wrote:
I'm still chipping away at modifying a Startech CM108 USB fob - so far I have successfully got PTT and audio out working, but I'm struggling with audio in and COS.
I've been following http://www.qsl.net/k0kn/cm108_mod.html
Can anyone advise if there's a way to determine from the Asterisk side if COS is active or not?
I've even tried manually taking the CM108 pin 48 to 0v and +5v with the iax.conf below, but I can't seem to make anything 'happen'.
My theory was, as soon as I have COS triggering Asterisk correctly, then I can look at getting the audio in working properly.
TIA
-- Jim Whiteside. M0HPJ
[usb28233] hdwtype=0 rxboost=1 txboost=0 rxctcssrelax=1 txctcssdefault=94.8 rxctcssfreqs=94.8 txctcssfreqs=94.8 ;rxctcssoverride=0 carrierfrom=usbinvert ctcssfrom=no rxdemod=speaker txprelim=no txlimonly=no txtoctype=notone txmixa=composite txmixb=no invertptt=0 duplex=0 rxondelay=0 rxnoisefiltype=0 eeprom=0
-- Jim Whiteside.
-- Jim Whiteside.
-- Jim Whiteside.