Yes, it makes some output when it happily decodes a unit id For those wanting extra functionality for "buttons" or whatever it is your radios are equipped with. If someone could give me a recording (of the receive input of a receiver listening to your transmiter) of the output your transmitter as you press the buttons you are interested in, and then tell me what you pressed in what order, I could use that recording to do what I need to do. Probably the best way to accomplish the recording is to use the URI as a regular sound device (like on a windows machine or Linux) and use a standard sound recorder program or editor (like audacity) to make the recording. Thanks!! JIM WB6NIL ----------------------------------------
From: kb2ear@kb2ear.net To: app_rpt-users@qrvc.com Date: Tue, 23 Mar 2010 11:35:58 -0400 Subject: Re: [App_rpt-users] Anyone using MDC1200 for control?
So how can you tell if the MDC is decoding? Is there a debug statement?
Scott ----- Original Message ----- From: "KT9AC" To: "app_rpt mailing list" Sent: Monday, March 22, 2010 8:26 PM Subject: Re: [App_rpt-users] Anyone using MDC1200 for control?
Great! I never expected this so quickly. I'll grab a copy, compile and start testing. I'll do my part and try to find online documentation about the data layout for MDC.
Tony
Jim Duuuude wrote:
The new version of app_rpt.c which will be posted on SVN this evening contains new code (experimental at this point) which allows you to put a '[mdcmacro]' stanza in your rpt.conf file where the entries under it are UnitID=DTMF Tones To RUN
So, like:
[mdcmacro] d00d=*32000
If you have id d00d, it logs into hub node 2000.
If you send the same ID over and over again, it ignores subsequent duplicates.
If someone would find me a full copy of the MDC-1200 command set, I sure would appreciate it.
JIM WB6NIL
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Date: Mon, 22 Mar 2010 16:44:50 -0500 From: w9drr.ham@gmail.com To: kt9ac@ameritech.net CC: app_rpt-users@qrvc.com Subject: Re: [App_rpt-users] Anyone using MDC1200 for control?
Wouldn't it be better to use mdc status messages for control? The unit id is sent every transmission. You really wouldn't want a dtmf macro activated every time a unit transmits.. that could be real bad if you slip on the ptt. I can see it would be pretty easily to generate a couple commands by accident. I think MDC status messages are more up that alley.
My MDC-1200 biggest wish is an "MDC squelch" that will compare the unit-ID to a list, if in the list allow the audio to repeat.
A local ham repeater (fishfar) only allows access based on a known list of Unit IDs.
My concept would be status-1 to enable the repeater, status-2 disable, status-3 reboot the server, status-4 enable mdc-squech, status-5 enable pl squelch, status-6 send "ffff" all call. Something like that....
It would be really cool if we could also have the ability to generate MDC messages. a command like rpt mdc 2090 ffff which would generate an ffff all call on node 2090 would be really appreciated.
Being able to watch the output of the decoder into a log would help find what codes are being seen.
In the mean time, I recorded my ht sending the "all call" and play the wav file back. It does activate all the radios each time it's sent.
-- Don Russell, CBRE W9DRR - ARRL OES, Technical Specialist --
On Mon, Mar 22, 2010 at 14:12, KT9AC wrote:
Yes, that is correct.
Jim Duuuude wrote:
okay, What I will do is have a list of "Unit-ID"'s that can correspond to DTMF macros. In other words, you could make unit ID 1234 be the same as pressing *32000 or something like that.
Is that pretty much what you had in mind??
JIM WB6NIL
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Date: Mon, 22 Mar 2010 13:42:50 -0500 From: kt9ac@ameritech.net To: telesistant@hotmail.com CC: app_rpt-users@qrvc.com Subject: Re: [App_rpt-users] Anyone using MDC1200 for control?
Thanks Jim for the reply and interest. Basically I just want to send/decode the Unit ID that will be used as a control function (i.e. macro to connect up to site "X"), activity timer (link transmit authorization) or repeater access control. I like MDC since its a fixed-length packet, has error-correction built-in and once programmed in to a radio mode doesn't require using a DTMF mic while mobile.
Tony
Jim Duuuude wrote:
Well, it could very easily. Im game.. (be sure you pronounce that right) :-). What kind of MDC-1200 message type are you intending use (excuse the possibility of this being a dumb question, but the only thing Im familiar with MDC-1200 for is UnitID).
JIM WB6NIL
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Date: Sat, 20 Mar 2010 20:17:52 -0500 From: kt9ac@ameritech.net To: App_rpt-users@qrvc.com Subject: [App_rpt-users] Anyone using MDC1200 for control?
Hi Everyone, New to the group and Asterisk; got my first node online today. I know there are libraries available from Matthew Kaufman for MDC1200 decoding, but haven't ventured into the code just yet. Does anyone have examples of what works and how difficult it was? I want to simply send an MDC ID into Asterisk to control my links/macros versus DTMF.
Thanks! Tony, KT9AC _______________________________________________ App_rpt-users mailing list App_rpt-users@qrvc.com http://qrvc.com/mailman/listinfo/app_rpt-users
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