summaryrefslogtreecommitdiff
path: root/dmx512/u_dmx/README
blob: 10260f2978652c4cbb9acd4955f79bcd980fba08 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
-------------------------------------------------------------------------------
DMX512-A / anyma µDMX
-------------------------------------------------------------------------------

This is a set of example captures of DMX512 packets from an anyma uDMX
USB interface.

The signal was grabbed directly at the interface without any actual
fixtures attached to the bus.

Details:
https://en.wikipedia.org/wiki/DMX512
https://www.anyma.ch/research/udmx/


Logic analyzer setup
--------------------

The logic analyzer used was a Saleae Logic clone (at 1MHz):

  Probe       3-pin XLR DMX connector
  -----------------------------------
  0           DMX+ (3)
  1           DMX- (2)
  
The files are named <interfacename>_<dmxvalue>.sr, with <dmxvalue> being
the dimmerlevel of the first 255 channels. Any other channel will be at 0.