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Re: Periodic audio device statistics [2 Attachments]


David Ranch
 

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Hello Randy,


?
I was finally able to see what you said by clicking "view source".

Yeah.. sorry about thast.? I think there is something wrong with the new K9 Email reader for Android.? Nice work about thinking to looking at the HTML source to see the plain text email!


6. Pulse audio should have been removed when I followed the above document. I wouldn't know how to confirm that.


What Linux distribution have you installed on your Raspberry Pi?? I would assume Rasbian Jessie version?? If so, it won't come with PulseAudio so you're ok there.

7. I'm using a radio shack scanner that performed perfectly as a receive only igate on my laptop PC for months.


If you connect it to another computer, can that computer record the audio like you'd expect?

8. As warned about in the document, I am not using a USB hub.

Ok.

9. When I put audio into the microphone jack on the sound card (using either a microphone or my scanner), it comes out the speaker jack of the sound card and it sounds very good. I can vary the volume levels using the mixer in Linux so the card is communicating with Linux on some level.

That doesn't sound right.? It shouldn't instantly and automatically play the sound it hears or you risk feedback.? Check your mixer settings using "alsamixer" from the "alsa-utils" package.? You can install that with:

?? apt-get update
?? apt-get install alsa-utils



11. I have attached my configuration file and the text copied from the Direwolf terminal when I start the program.


In your config file, you have:

ADEVICE - plughw:1,0

When you should have "ADEVICE? plughw:1,0"?? (notice the missing -"

--

Instead of having:

MODEM 1200

I recommend the following for the Raspberry Pi:

?? MODEM 1200 E+ /3

--

If you can manage to get an LED and a resistor, I highly recommend to setup a DCD indicator (lights up when Direwolf hears a packet):

#pin18 (GPIO 24) - (cathode) LED (anode) - 270ohm resistor - 3.3v
DCD GPIO 13

--

Unless you plan on using the TCP-KISS port or the AGWPE port, I would disable them with

AGWPORT 0
KISSPORT 0

--

One thing that is suspicious to me is that the Direwolf terminal shows "stdin" rather than my sound card as "device for receive".


This is due to the "-" in the ADEVICE line above.? Remove that as recommended above and I think you'll start hearing packets.

--David
KI6ZHD

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