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ibm4704_usb: Fix scan code range for Alps 102-key

master
tmk 8 years ago
parent
449b31c18b
commit
75ca495c01
2 changed files with 9 additions and 5 deletions
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  1. 7
    3
      converter/ibm4704_usb/ibm4704.txt
  2. 2
    2
      converter/ibm4704_usb/matrix.c

+ 7
- 3
converter/ibm4704_usb/ibm4704.txt View File

@@ -152,12 +152,16 @@ Keyobard sends these bytes to host.
FD Command out of bound 00d8h
Key out of bound
7E Read/Parity error in receive from host 00bch
80-FB? scan code(make)
00-7B? scan code(break)
note: Alps model spits scan code 7B(FB) at least.


Set Key Flag command(FC)
------------------------
After 'Power on Reset' firmware enters this command mode and waits for data from host,
so that you don't need to send 'FC' and it doesn't send any scancode until you send 'FF'.
With Alps models you need to send 'FC' command to enter this mode.

Data sent from host:

@@ -166,8 +170,8 @@ Data sent from host:
| `-----`--- scan code
`------------- enable bit(0: enable repeat, 1: enable break)

00-79 Enable repeat
80-F9 Enable break(FA-FF are used as other commands, see above.)
00-7B? Enable repeat
80-FB? Enable break
FE Resend(011ah) no need to use
FF End(0114h) exits FC command mode.

@@ -178,5 +182,5 @@ Response from keyboard:
Examples:
To enable break code of all keys.

FC 80 81 ... F7 FF
FC 80 81 ... FB FF


+ 2
- 2
converter/ibm4704_usb/matrix.c View File

@@ -106,8 +106,8 @@ uint8_t matrix_scan(void)
if (code==0xFF) {
// Not receivd
return 0;
} else if ((code&0x7F) >= 0x7A) {
// 0xFF-FA and 0x7F-7A is not scancode
} else if ((code&0x7F) >= 0x7C) {
// 0xFF-FC and 0x7F-7C is not scancode
xprintf("Error: %02X\n", code);
matrix_clear();
return 0;