JoeST
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Dec 4, 2007, 12:31 AM
Post #2 of 4
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Re: [olivier irthum] lanbox control
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Assuming you are connected to the Lanbox by MIDI, you can use the "send sysex" actor to send a MSC GO command, as MIDI Show Control is just a subset of System Exclusive events. There's a great specification document here - http://www.richmondsounddesign.com/txt/mscspec.txt - and a good Wikipedia introduction.
Double click the "send sysex" actor (found in the MIDI group) and enter the following code in the box that pops up;
F0 7F 01 02 01 01 F7
If your MIDI system is set up correctly this should trigger the next cue to go, but you might need to experiment both for Isadora to send to the right port and for the Lanbox to recieve on the right channel (or all). There is some detail in the Lanbox reference manual for how to set up MIDI receive, which you've probably found if you're using your external MIDI controls, unless that is your using a MIDI listener to Lanbox channel send patch.
The syntax for the Sysex command is as follows (strictly speaking all in Hex, but just check you're typing zeros not letter "O"s):
F0 7F - Identifies a MSC message
01 - Device ID for receiving device (could be set on the layer control of the Lanbox engine, and may need to be tweaked up or down by a value of 1 to 00 or 02, because MIDI devices don't always agree on numbers)
02 - MSC code
01 - Lighting command type
01 - "GO" command
F7 - end command byte
You can also trigger specific cues on specific cue lists, and use the parameters ob the "Send Sysex" actor to set this from outside the dialogue box, but it starts to get really complicated because numbers need to be expressed as the ASCII code of their number, and within the dialogue box these start as 31 for 1, 32 for 2 etc (value in Hex), but outside using the parameter input the numbers need to be entered in Decimal starting at 49 for "1", 50 for "2" etc (or maybe try adding or subtracting one from these values).
F0 7F 01 02 01 01 31 34 2E 33 00 36 F7
from within the send sysex dialogue box should send "go cue 14 point 3, on list 6" where 2E stands for the decimal point, with 00 to signify a break before the list number (36 for list 6). You might however have to try:
F0 7F 01 02 01 01 32 35 2E 34 00 37 F7
or
F0 7F 01 02 01 01 30 33 2E 32 00 35 F7
because the numbers don't agree... (very complicated)
So far I haven't been able to replicate this using the LC Edit software myself, as I'm not sure how to set the MIDI receive to listen to the right port on my LCE which doesn't have a physical MIDI port, but please let me know if you manage to get it going. The basic F0 7F 01 02 01 01 F7 Sysex command should trigger "GO" on any MSC enabled LX desk with a MIDI in port.
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