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ibmpc_usb: Add Code Set 3 support for IBM 5576-001

Browse source 
https://github.com/tmk/tmk_keyboard/issues/685
https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#ibm-5576-code-set-3
Make positon of keys on 5576-001 to fit 122-key layout:
0x13 -> 0x5D // JYEN
0x5C -> 0x51 // RO
0x76 -> 0x7E // Keypad '
0x7E -> 0x76 // Keypad Dup
0x85 -> 0x68 // Muhenkan -> Keypad ,
0x86 -> 0x78 // Henkan -> Keypad =
This commit is contained in:
tmk 2021-05-29 11:13:39 +09:00
parent bb3ed2cab8
commit b13b79300a
1 changed files with 51 additions and 20 deletions
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71
converter/ibmpc_usb/ibmpc_usb.c
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@ -285,11 +285,12 @@ uint8_t matrix_scan(void)
} else if (0x00FF == keyboard_id) { // Mouse is not supported
xprintf("Mouse: not supported\n");
keyboard_kind = NONE;
#ifdef G80_2551_SUPPORT
} else if (0xAB86 == keyboard_id ||
0xAB85 == keyboard_id) { // For G80-2551 and other 122-key terminal
// https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#ab86
} else if (0xAB85 == keyboard_id || // IBM 122-key Model M, NCD N-97
0xAB86 == keyboard_id || // Cherry G80-2551, IBM 1397000
0xAB92 == keyboard_id) { // IBM 5576-001
// https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#ab85
// https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#ab86
// https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#ab92
if ((0xFA == ibmpc_host_send(0xF0)) &&
(0xFA == ibmpc_host_send(0x03))) {
@ -298,7 +299,21 @@ uint8_t matrix_scan(void)
} else {
keyboard_kind = PC_AT;
}
#endif
} else if (0xAB90 == keyboard_id || // IBM 5576-002
0xAB91 == keyboard_id) { // IBM 5576-003
// https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#ab90
// https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#ab91
xprintf("\n5576_CS82h:");
if ((0xFA == ibmpc_host_send(0xF0)) &&
(0xFA == ibmpc_host_send(0x82))) {
// switch to code set 82h
// https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#ibm-5576-scan-codes-set
xprintf("OK ");
} else {
xprintf("NG ");
}
keyboard_kind = PC_AT;
} else if (0xBFB0 == keyboard_id) { // IBM RT Keyboard
// https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#bfb0
// TODO: LED indicator fix
@ -908,6 +923,16 @@ static int8_t process_cs2(uint8_t code)
* See [3], [7] and
* https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#scan-code-set-3
*/
static uint8_t translate_5576_cs3(uint8_t code) {
switch (code) {
// Fix positon of keys to fit 122-key layout
case 0x13: return 0x5D; // JYEN
case 0x5C: return 0x51; // RO
case 0x76: return 0x7E; // Keypad '
case 0x7E: return 0x76; // Keypad Dup
}
return code;
}
static int8_t process_cs3(uint8_t code)
{
static enum {
@ -920,8 +945,21 @@ static int8_t process_cs3(uint8_t code)
#endif
} state = READY;
switch (code) {
case 0xAA: // BAT code
case 0xFC: // BAT code
case 0xBF: // Part of keyboard ID
case 0xAB: // Part keyboard ID
state = READY;
xprintf("!CS3_RESET!\n");
return -1;
}
switch (state) {
case READY:
if (0xAB92 == keyboard_id) {
code = translate_5576_cs3(code);
}
switch (code) {
case 0xF0:
state = F0;
@ -933,10 +971,10 @@ static int8_t process_cs3(uint8_t code)
matrix_make(0x7F);
break;
case 0x85: // Muhenkan
matrix_make(0x0B);
matrix_make(0x68);
break;
case 0x86: // Henkan
matrix_make(0x06);
matrix_make(0x78);
break;
case 0x87: // Hiragana
matrix_make(0x00);
@ -960,51 +998,44 @@ static int8_t process_cs3(uint8_t code)
matrix_make(code);
} else {
xprintf("!CS3_READY!\n");
return -1;
}
}
break;
case F0: // Break code
state = READY;
if (0xAB92 == keyboard_id) {
code = translate_5576_cs3(code);
}
switch (code) {
case 0x83: // PrintScreen
matrix_break(0x02);
state = READY;
break;
case 0x84: // Keypad *
matrix_break(0x7F);
state = READY;
break;
case 0x85: // Muhenkan
matrix_break(0x0B);
state = READY;
matrix_break(0x68);
break;
case 0x86: // Henkan
matrix_break(0x06);
state = READY;
matrix_break(0x78);
break;
case 0x87: // Hiragana
matrix_break(0x00);
state = READY;
break;
case 0x8B: // Left GUI
matrix_break(0x01);
state = READY;
break;
case 0x8C: // Right GUI
matrix_break(0x09);
state = READY;
break;
case 0x8D: // Application
matrix_break(0x0A);
state = READY;
break;
default:
state = READY;
if (code < 0x80) {
matrix_break(code);
} else {
xprintf("!CS3_F0!\n");
return -1;
}
}
break;