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adb_usb: Add JIS layout support

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This commit is contained in:
tmk 2022-04-25 12:25:10 +09:00
parent 6ef4a03087
commit 694b1070aa
1 changed files with 56 additions and 20 deletions
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76
converter/adb_usb/matrix.c
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@ -36,7 +36,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
static bool has_media_keys = false;
static bool is_iso_layout = false;
static enum {
ADB_LAYOUT_ANSI,
ADB_LAYOUT_ISO,
ADB_LAYOUT_JIS
} adb_layout = ADB_LAYOUT_ANSI;
// matrix state buffer(1:on, 0:off)
@ -64,7 +68,7 @@ static void keyboard_init(void)
// Check if there is keyboard at default address
reg3 = adb_host_talk(ADB_ADDR_KEYBOARD, ADB_REG_3);
if (reg3) {
xprintf("K:found: reg3:%04X\n", reg3);
xprintf("K:Found: reg3:%04X\n", reg3);
adb_host_listen(ADB_ADDR_KEYBOARD, ADB_REG_3, ((reg3 >> 8) & 0xF0) | ADB_ADDR_KBD_TMP, 0xFE);
}
@ -75,20 +79,30 @@ static void keyboard_init(void)
}
xprintf("K:TMP: reg3:%04X\n", reg3);
// Determine ISO keyboard by handler id
// http://lxr.free-electrons.com/source/drivers/macintosh/adbhid.c?v=4.4#L815
// https://elixir.bootlin.com/linux/v5.17.4/source/drivers/macintosh/adbhid.c#L802
handler = reg3 & 0xFF;
switch (handler) {
case 0x01: case 0x02: case 0x03: case 0x06: case 0x08:
case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C:
case 0xC0: case 0xC3: case 0xC6:
adb_layout = ADB_LAYOUT_ANSI;
break;
case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D:
case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1:
case 0xC4: case 0xC7:
is_iso_layout = true;
adb_layout = ADB_LAYOUT_ISO;
break;
case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A:
case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9:
adb_layout = ADB_LAYOUT_JIS;
break;
default:
is_iso_layout = false;
adb_layout = ADB_LAYOUT_ANSI;
break;
}
xprintf("K:ISO: %s\n", (is_iso_layout ? "yes" : "no"));
xprintf("K:Layout: %s\n", (adb_layout == ADB_LAYOUT_ANSI ? "ANSI" : (
adb_layout == ADB_LAYOUT_ISO ? "ISO" : (
adb_layout == ADB_LAYOUT_JIS ? "JIS" : "???"))));
// Adjustable keyboard media keys: address=0x07 and handlerID=0x02
has_media_keys = (0x02 == (adb_host_talk(ADB_ADDR_APPLIANCE, ADB_REG_3) & 0xff));
@ -693,7 +707,7 @@ uint8_t matrix_scan(void)
key1 = 0xFF;
}
/* Swap codes for ISO keyboard
/* Keyboard code translation
* https://github.com/tmk/tmk_keyboard/issues/35
*
* ANSI
@ -704,8 +718,8 @@ uint8_t matrix_scan(void)
* |----------- ----------|
* |CapsLo| A| '|Return |
* |----------- ----------|
* |Shift | Shift |
* `----------- ----------'
* |Shift | |Shift |
* |----------- ----------|
*
* ISO
* ,----------- ----------.
@ -715,27 +729,49 @@ uint8_t matrix_scan(void)
* |----------- -----` |
* |CapsLo| A| '| *c| |
* |----------- ----------|
* |Shif| *b| Shift |
* `----------- ----------'
* |Shif| *b| |Shift |
* |----------- ----------|
*
* ADB scan code USB usage
* ------------- ---------
* Key ANSI ISO ANSI ISO
* ---------------------------------------------
* *a 0x32 0x0A GRAVE GRAVE
* *b ---- 0x32 ---- NUBS
* *c 0x2A 0x70 BSLASH NUHS
* JIS
* ,----------- ----------.
* | *a| 1| 2 =| *d| BS|
* |----------- ----------|
* |Tab | Q| | [|Retur|
* |----------- -----` |
* |CapsLo| A| :| *c| |
* |----------- ----------|
* |Shift | | *e| Shift|
* |----------- ----------|
*
* ADB scan code USB usage
* ------------- ---------
* Key ANSI ISO JIS ANSI ISO JIS
* ---------------------------------------------------
* *a 0x32 0x0A 0x32 GRAVE GRAVE GRAVE
* *b ---- 0x32 ---- ---- NUBS ----
* *c 0x2A 0x70 0x2A BSLASH NUHS NUHS
* *d ---- ---- 0x5D ---- ---- JPY
* *e ---- ---- 0x5E ---- ---- RO
*/
if (is_iso_layout) {
if (adb_layout == ADB_LAYOUT_ISO) {
// 32 <-> 0A
if ((key0 & 0x7F) == 0x32) {
key0 = (key0 & 0x80) | 0x0A;
} else if ((key0 & 0x7F) == 0x0A) {
key0 = (key0 & 0x80) | 0x32;
}
// 2A -> 70
if ((key0 & 0x7F) == 0x2A) {
key0 = (key0 & 0x80) | 0x70;
}
}
if (adb_layout == ADB_LAYOUT_JIS) {
// 2A -> 70
if ((key0 & 0x7F) == 0x2A) {
key0 = (key0 & 0x80) | 0x70;
}
}
register_key(key0);
if (key1 != 0xFF) // key1 is 0xFF when no second key.
extra_key = key1<<8 | 0xFF; // process in a separate call