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Commit | Line | Data |
---|---|---|
4c90e08e UH |
1 | ------------------------------------------------------------------------------- |
2 | EDID | |
3 | ------------------------------------------------------------------------------- | |
4 | ||
fe2f7efc BV |
5 | The captures in this directory were taken from a VGA cable, connected to |
6 | various displays, as the EDID data was sent across the I2C bus. | |
7 | ||
8 | To decode these, set up a protocol decoder stack like this: | |
9 | ||
8266c455 | 10 | i2c -> i2cfilter -> edid |
fe2f7efc | 11 | |
4c90e08e UH |
12 | Details: |
13 | https://en.wikipedia.org/wiki/Extended_display_identification_data | |
14 | https://en.wikipedia.org/wiki/Display_Data_Channel | |
15 | ||
16 | ||
17 | samsung_le46b620r3p.sr / samsung_syncmaster245b.sr | |
18 | -------------------------------------------------- | |
19 | ||
20 | The logic analyzer used was a Saleae Logic at 500kHz: | |
21 | ||
22 | Probe I2C pins | |
23 | -------------------- | |
24 | 1 (black) SDA | |
25 | 2 (brown) SCL | |
26 | ||
27 | ||
28 | samsung_syncmaster203b.sr | |
29 | ------------------------- | |
30 | ||
31 | The logic analyzer used was a Saleae Logic at 1MHz: | |
32 | ||
33 | Probe I2C pins | |
34 | -------------------- | |
35 | 1 (black) SCL | |
36 | 2 (brown) SDA | |
37 |