[App_rpt-users] Activate PTT pin on CM108 without asterisk

[kk6ecm]

See invertptt=

http://svn.ohnosec.org/svn/projects/allstar/astsrc-1.4.23-pre/trunk/configs/examples/twousbnodes/usbradio.conf

You may still require a pull-up resistor to get the CM108 to actually work in circuit.

Thanks,
Bob
kk6ecm

Sent from iPad


> On May 9, 2015, at 7:15 AM, Skyler F <electricity440 at gmail.com> wrote:
> 
> Maybe my question is not clear: I want to know what command can be operated to make the Pin on the CM108 chip to activate? 
> 
> What command does Asterisk run so that it activates the PTT button on the USB fob?
> 
>> On Sat, May 9, 2015 at 8:10 AM, Corey Dean <n3fe at repeater.net> wrote:
>> You could just invert it using a pnp and a 10k resistor.
>> 
>> Corey
>> 
>>> On May 9, 2015, at 9:08 AM, Skyler F <electricity440 at gmail.com> wrote:
>>> 
>>> Is there a way to tell pin 13 on the CM108 sound card to activate High vs Low? 
>>> 
>>> Although this is off topic, I thought maybe people here would know: 
>>> 
>>> I want to use a USB sound FOB for APRS with XASTIR, and I want to see if I can use a cheap sound card instead of a TNC. If nothing else, I will have to use a VOX circuit, but it would be cool if I could script XASTIR to tell the USB card to activate high/low when it PTT's. 
>>> 
>>> If anybody has experience with XASTIR, do you know if you can even use sound cards in it? Or does it have to be a TNC.
>>> 
>>> 73,
>>> Skyler
>>> KDØWHB
>>> 
>>> -- 
>>> Skyler Fennell
>>> amsatnet.info
>>> KDØWHB
>>> electricity440 at gmail.com
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> 
> 
> 
> -- 
> Skyler Fennell
> amsatnet.info
> KDØWHB
> electricity440 at gmail.com
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