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core: Add comment of register 3 of ADB

master
tmk 8 years ago
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commit
e661296200
1 changed files with 10 additions and 0 deletions
  1. 10
    0
      tmk_core/protocol/adb.c

+ 10
- 0
tmk_core/protocol/adb.c View File

@@ -433,6 +433,16 @@ Keyboard LEDs & state of keys(Register2)
| +----------------------------- Delete
+------------------------------- Reserved

Address, Handler ID and bits(Register3)
1514131211 . . 8 7 . . . . . . 0
| | | | | | | | | | | | | | | |
| | | | | | | | +-+-+-+-+-+-+-+- Handler ID
| | | | +-+-+-+----------------- Address
| | | +------------------------- 0
| | +--------------------------- Service request enable(1 = enabled)
| +----------------------------- Exeptional event(alwyas 1 if not used)
+------------------------------- 0

ADB Bit Cells
bit cell time: 70-130us
low part of bit0: 60-70% of bit cell