Mike,
You can read/download the protocol format for the Enttec Pro device from following link:
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LoginI believe the Lynx dongle emulates only a subset of the Enttec Pro device, specifically the message type 6 found in page 5 of the specification document section "8.Output Only Send DMX Packet Request (Label=6).
Since the Lynx dongle uses a FTDI usb chip to communicate with the host computer, you can access it 2 ways; 1) Through a standard serial port that is virtually created by the FTDI drivers, 2) Directly through the FTDI API. You can find more info in the FTDI website such as API documentation, code samples, windows drivers, etc...
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LoginVisit the 'Drivers', 'Documents', 'Resources' and 'Projects' links in their web menu.
Some code samples for the Enttec Pro dongle can be found if you search the internet. Enttec site might also have some code examples.
As an example please look at this thread (old but good read anyway):
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LoginNote: The code example in the thread above is missing the START CODE byte
In summary:
1. Install FTDI drivers
2. Plug Lynx dongle in to USB port
3. Establish link between your computer program and dongle (FTDI drivers or virtual serial port)
4. From your application, send DMX data packet in following format (all are BYTE type) through your established communication with the dongle:
DMX(0) = 126 'DMX_PRO_MESSAGE_START 0x7E
DMX(1) = 6 'DMX_PRO_SEND_PACKET for message type 6 output only
DMX(2) = {byte value} 'LSB # channels
DMX(3) = {byte value} 'MSB # channels
DMX(4) = 0 ' START CODE always 0
DMX(5) = {value from 0 to 255} ' channel 1 data
DMX(6) = {value from 0 to 255} ' channel 2 data
... etc ...
DMX(4+#channels) = {value from 0 to 255} ' last channel data
DMX(5+#channels) = 231 'DMX_PRO_MESSAGE_END 0xE7
and any DMX device attached to the dongle universe (Enttec Pro or Lynx) should get its channel data.
RJ please jump in if i'm stating something incorrectly.
Hope this info helps.
Leo