projects / sigrok-dumps.git / blame
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| 2e319bf0 | 1 | ------------------------------------------------------------------------------- |
| 257091a1 | 2 | DMX512-A / SGM Regia 256 |
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3 | ------------------------------------------------------------------------------- |
| 4 | ||
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5 | This is a set of example captures of DMX512 packets from an SGM Regia 256 |
| 6 | lightining desk. | |
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7 | |
| 8 | The signal was grabbed directly at the interface without any actual | |
| 9 | fixtures attached to the bus. | |
| 10 | ||
| 11 | Details: | |
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12 | https://en.wikipedia.org/wiki/DMX512 |
| 13 | https://sgmlight.com/products | |
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14 | |
| 15 | ||
| 16 | Logic analyzer setup | |
| 17 | -------------------- | |
| 18 | ||
| 19 | The logic analyzer used was a Saleae Logic clone (at 1MHz): | |
| 20 | ||
| 21 | Probe 3-pin XLR DMX connector | |
| 22 | ----------------------------------- | |
| 23 | 0 DMX+ (3) | |
| 24 | 1 DMX- (2) | |
| 25 | ||
| 26 | The files are named <interfacename>_<dmxvalue>.sr, with <dmxvalue> being | |
| 27 | the dimmerlevel of the first 255 channels. Any other channel will be at 0. |