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Sysex commands for MIDI Timepiece AV/Micro Express
Posted: Mon Jan 05, 2009 4:18 pm
by spitcher
Hello - We use the above devices in a system to generate or receive timecode. Does anyone know where I can find documentation on the sysex commands for them including those to set the timecode and to start and stop sending?
Thanks,
Stan
Re: Sysex commands for MIDI Timepiece AV/Micro Express
Posted: Tue Jan 06, 2009 6:58 am
by 1nput0utput
I don't think there are sysex messages that will locate/start/stop the MTP-AV or Micro Express. For those functions, you would want to transmit MMC to the interface.
Re: Sysex commands for MIDI Timepiece AV/Micro Express
Posted: Tue Jan 06, 2009 2:49 pm
by spitcher
Thanks for the reply. We are currently using what I believe are sysex messages to do this. They are some number of bytes starting with0xF0 and ending with 0xF7. For example here is the command we use to start the device:
//////////////////////////////////////////////////////////////////////////////////////
// Start Device Command
char szStart[] = {(char)0xF0, (char)0x7F, (char)0x00, (char)0x06, (char)0x03, (char)0xF7};
I believe a former engineer here determined these commands by using Clock works and a USB sniffer. Seems there should be documentation for them somewhere?
Can you explain what you mean by "transmit MMC to the interface"? I am somewhat new to all of this.
Thanks,
Stan