Re: The modem_test program that comes with slmodem

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Hi Marvin,

Thanks for the information. It looks like the test program is not useful as it stands, but a few lines of changes can make it useful. I now have the 2 modem instances inside the test program communicating OK, and producing 2 wave files of the audio from the modems. This is what I want right now - reference audio to compare against the audio from my own modem code. The Smart-Link code works as 9600 samples per second, and I work at 8000 samples per second, but a good quality sample rate converter should deal with that.

Steve


On 07/07/2010 07:21 AM, Marvin Stodolsky wrote:
steve,

The original writer of the slmodem software no longer tracks this List.
Likely none of us have an answer to your question.

MarvS

On Tue, Jul 6, 2010 at 1:10 PM, Steve Underwood<steveu@xxxxxxxxxxx>  wrote:
Hi,

There is a modem_test program that comes with the slmodem package, but I
can't see how it can be used.

If I run modem_test, it creates two modem instances and connects them back
to back. If I connect to the AT command ports of both modem instances, using
a pair of minicom programs, I can use AT commands, and the two modem
instance respond properly. However, any attempt to dial or answer instantly
fails, because the two modem instances are running as fast as they can and
time out nearly instantly.

Can anyone tell me how to get useful behaviour from this program?

Steve





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