X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=i2c%2Fedid%2FREADME;h=c49a9eaf6b28180bf07ee96080c1bf408e567167;hb=d3a9ef3c53481024c9ec44a28a506338a573ea76;hp=8c9ec329073ff73a406f194645ea81a7793dbfe8;hpb=fe2f7efca5c96a9853b41f9baf816855d3a5533b;p=sigrok-dumps.git

diff --git a/i2c/edid/README b/i2c/edid/README
index 8c9ec32..c49a9ea 100644
--- a/i2c/edid/README
+++ b/i2c/edid/README
@@ -1,7 +1,37 @@
+-------------------------------------------------------------------------------
+EDID
+-------------------------------------------------------------------------------
+
 The captures in this directory were taken from a VGA cable, connected to
 various displays, as the EDID data was sent across the I2C bus.
 
 To decode these, set up a protocol decoder stack like this:
 
-	i2c -> ddc -> edid
+	i2c -> i2cfilter -> edid
+
+Details:
+https://en.wikipedia.org/wiki/Extended_display_identification_data
+https://en.wikipedia.org/wiki/Display_Data_Channel
+
+
+samsung_le46b620r3p.sr / samsung_syncmaster245b.sr
+--------------------------------------------------
+
+The logic analyzer used was a Saleae Logic (at 500kHz):
+
+  Probe       I2C pin
+  -------------------
+  1 (black)   SDA
+  2 (brown)   SCL
+
+
+samsung_syncmaster203b.sr
+-------------------------
+
+The logic analyzer used was a Saleae Logic (at 1MHz):
+
+  Probe       I2C pin
+  -------------------
+  1 (black)   SCL
+  2 (brown)   SDA