if (code == -1) { id = 0x0000; goto DONE; } // AT
id = (code & 0xFF)<<8;
+ // Mouse responds with one-byte 00, this returns 00FF [y] p.14
code = read_wait(500);
id |= code & 0xFF;
* d. ID is BF BF: Terminal keyboard CodeSet3
* e. error on recv: maybe broken PS/2
*/
+uint8_t current_protocol = 0;
uint16_t keyboard_id = 0x0000;
keyboard_kind_t keyboard_kind = NONE;
uint8_t matrix_scan(void)
ibmpc_error = IBMPC_ERR_NONE;
}
+ // check ISR state debug
+ if (ibmpc_isr_debug) {
+ xprintf("\nISR:%04X\n", ibmpc_isr_debug);
+ ibmpc_isr_debug = 0;
+ }
+
+ // check protocol AT/XT
+ if (ibmpc_protocol != current_protocol) {
+ xprintf("\nPROTO:%02X\n", ibmpc_protocol);
+ current_protocol = ibmpc_protocol;
+ }
+
switch (state) {
case INIT:
xprintf("I%u ", timer_read());
case READ_ID:
xprintf("R%u ", timer_read());
+ // SKIDATA-2-DE(and some other keyboards?) stores 'Code Set' setting in nonvlatile memory
+ // and keeps it until receiving reset. Sending reset here may be useful to clear it, perhaps.
+ // https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#select-alternate-scan-codesf0
+ //ibmpc_host_send(0xFF); // reset command
+ //read_wait(500); // BAT takes 600-900ms(84-key) or 300-500ms(101/102-key) [8] 4-7, 4-39
+
keyboard_id = read_keyboard_id();
if (ibmpc_error) {
xprintf("\nERR:%02X\n", ibmpc_error);
ibmpc_error = IBMPC_ERR_NONE;
}
- if (0xAB00 == (keyboard_id & 0xFF00)) { // CodeSet2 PS/2
+ if (0x0000 == keyboard_id) { // CodeSet2 AT(IBM PC AT 84-key)
keyboard_kind = PC_AT;
- } else if (0xBF00 == (keyboard_id & 0xFF00)) { // CodeSet3 Terminal
- keyboard_kind = PC_TERMINAL;
- } else if (0x0000 == keyboard_id) { // CodeSet2 AT
- keyboard_kind = PC_AT;
- } else if (0xFFFF == keyboard_id) { // CodeSet1 XT
+ } else if (0xFFFF == keyboard_id) { // CodeSet1 XT
keyboard_kind = PC_XT;
- } else if (0xFFFE == keyboard_id) { // CodeSet2 PS/2 fails to response?
+ } else if (0xFFFE == keyboard_id) { // CodeSet2 PS/2 fails to response?
keyboard_kind = PC_AT;
- } else if (0x00FF == keyboard_id) { // Mouse is not supported
+ } 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
+ // https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#ab85
+
+ if ((0xFA == ibmpc_host_send(0xF0)) &&
+ (0xFA == ibmpc_host_send(0x03))) {
+ // switch to code set 3
+ keyboard_kind = PC_TERMINAL;
+ } else {
+ keyboard_kind = PC_AT;
+ }
+#endif
+ } 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
+ //keyboard_kind = PC_TERMINAL_IBM_RT;
+ keyboard_kind = PC_TERMINAL;
+ } else if (0xAB00 == (keyboard_id & 0xFF00)) { // CodeSet2 PS/2
+ keyboard_kind = PC_AT;
+ } else if (0xBF00 == (keyboard_id & 0xFF00)) { // CodeSet3 Terminal
+ keyboard_kind = PC_TERMINAL;
} else {
keyboard_kind = PC_AT;
}
led_set(host_keyboard_leds());
break;
case PC_TERMINAL:
+ // Set all keys to make/break type
ibmpc_host_send(0xF8);
break;
default:
void led_set(uint8_t usb_led)
{
- if (keyboard_kind != PC_AT) return;
+ if (keyboard_kind == NONE) return;
+ //if (keyboard_kind != PC_AT) return;
uint8_t ibmpc_led = 0;
if (usb_led & (1<<USB_LED_SCROLL_LOCK))
case 0x75: return 0x4F; // cursor up
case 0x7A: return 0x56; // page down
case 0x7D: return 0x5E; // page up
- case 0x7C: return 0x6F; // Print Screen
+ case 0x7C: return 0x7F; // Print Screen
case 0x7E: return 0x00; // Control'd Pause
case 0x21: return 0x65; // volume down
case 0x32: return 0x6E; // volume up
- case 0x23: return 0x7F; // mute
+ case 0x23: return 0x6F; // mute
case 0x10: return 0x08; // (WWW search) -> F13
case 0x18: return 0x10; // (WWW favourites) -> F14
case 0x20: return 0x18; // (WWW refresh) -> F15
E1_F0,
E1_F0_14,
E1_F0_14_F0,
-#ifdef G80_2551_SUPPORT
- // G80-2551 four extra keys around cursor keys
- G80,
- G80_F0,
-#endif
} state = INIT;
uint16_t code = ibmpc_host_recv();
state = INIT;
break;
case 0x84: // Alt'd PrintScreen
- matrix_make(0x6F);
+ matrix_make(0x7F);
state = INIT;
break;
case 0xAA: // Self-test passed
state = INIT;
return -1;
break;
-#ifdef G80_2551_SUPPORT
- /*
- * G80-2551 terminal keyboard support
- */
- case 0x80: // G80-2551 four extra keys around cursor keys
- state = G80;
- break;
- case 0x19:
- matrix_make(0x7F); // MUTE
- break;
- case 0x39:
- matrix_make(0x6E); // VOLU
- break;
- case 0x53:
- matrix_make(0x65); // VOLD
- break;
- case 0x6F:
- matrix_make(0x5C); // APP
- break;
- case 0x5C:
- matrix_make(0x19); // LGUI
- break;
- case 0x1F:
- matrix_make(0x1F); // RGUI
- break;
- case 0x27:
- matrix_make(0x67); // MHEN
- break;
- case 0x2F:
- matrix_make(0x57); // F23
- break;
- case 0x5E:
- matrix_make(0x64); // HENK
- break;
- case 0x17:
- matrix_make(0x77); // NLCK
- break;
-#endif
default: // normal key make
state = INIT;
if (code < 0x80) {
state = INIT;
break;
case 0x84: // Alt'd PrintScreen
- matrix_break(0x6F);
- state = INIT;
- break;
-#ifdef G80_2551_SUPPORT
- /*
- * G80-2551 terminal keyboard support
- * https://deskthority.net/wiki/Cherry_G80-2551
- * https://geekhack.org/index.php?topic=103648.msg2893404#msg2893404
- * https://gist.github.com/tmk/22cb8680ca8ef854630ecd1953268c5b
- */
- case 0x19:
- matrix_break(0x7F); // MUTE
- state = INIT;
- break;
- case 0x39:
- matrix_break(0x6E); // VOLU
- state = INIT;
- break;
- case 0x53:
- matrix_break(0x65); // VOLD
- state = INIT;
- break;
- case 0x6F:
- matrix_break(0x5C); // APP
- state = INIT;
- break;
- case 0x5C:
- matrix_break(0x19); // LGUI
- state = INIT;
- break;
- case 0x1F:
- matrix_break(0x1F); // RGUI
- state = INIT;
- break;
- case 0x27:
- matrix_break(0x67); // MHEN
- state = INIT;
- break;
- case 0x2F:
- matrix_break(0x57); // F23
- state = INIT;
- break;
- case 0x5E:
- matrix_break(0x64); // HENK
- state = INIT;
- break;
- case 0x17:
- matrix_break(0x77); // NLCK
+ matrix_break(0x7F);
state = INIT;
break;
-#endif
default:
state = INIT;
if (code < 0x80) {
state = INIT;
}
break;
-#ifdef G80_2551_SUPPORT
- case G80: // G80-2551 four extra keys around cursor keys
- switch (code) {
- case (0x26): // TD= -> JYEN
- matrix_make(0x6A);
- break;
- case (0x25): // page with edge -> NUHS
- matrix_make(0x68);
- break;
- case (0x16): // two pages -> RO
- matrix_make(0x51);
- break;
- case (0x1E): // calc -> KANA
- matrix_make(0x13);
- break;
- case (0xF0):
- state = G80_F0;
- return 0;
- default:
- // Not supported
- matrix_clear();
- break;
- }
- state = INIT;
- break;
- case G80_F0:
- switch (code) {
- case (0x26): // TD= -> JYEN
- matrix_break(0x6A);
- break;
- case (0x25): // page with edge -> NUHS
- matrix_break(0x68);
- break;
- case (0x16): // two pages -> RO
- matrix_break(0x51);
- break;
- case (0x1E): // calc -> KANA
- matrix_break(0x13);
- break;
- default:
- // Not supported
- matrix_clear();
- break;
- }
- state = INIT;
- break;
-#endif
default:
state = INIT;
}
/*
* Terminal: Scan Code Set 3
*
- * See [3], [7]
- *
- * Scan code 0x83 and 0x84 are handled exceptioanally to fit into 1-byte range index.
+ * See [3], [7] and
+ * https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#scan-code-set-3
*/
static int8_t process_cs3(void)
{
static enum {
READY,
F0,
+#ifdef G80_2551_SUPPORT
+ // G80-2551 four extra keys around cursor keys
+ G80,
+ G80_F0,
+#endif
} state = READY;
uint16_t code = ibmpc_host_recv();
case 0x8D: // Application
matrix_make(0x0A);
break;
+#ifdef G80_2551_SUPPORT
+ case 0x80: // G80-2551 four extra keys around cursor keys
+ state = G80;
+ break;
+#endif
default: // normal key make
if (code < 0x80) {
matrix_make(code);
}
}
break;
+#ifdef G80_2551_SUPPORT
+ /*
+ * G80-2551 terminal keyboard support
+ * https://deskthority.net/wiki/Cherry_G80-2551
+ * https://github.com/tmk/tmk_keyboard/wiki/IBM-PC-AT-Keyboard-Protocol#g80-2551-in-code-set-3
+ */
+ case G80: // G80-2551 four extra keys around cursor keys
+ switch (code) {
+ case (0x26): // TD= -> JYEN
+ matrix_make(0x5D);
+ break;
+ case (0x25): // page with edge -> NUHS
+ matrix_make(0x53);
+ break;
+ case (0x16): // two pages -> RO
+ matrix_make(0x51);
+ break;
+ case (0x1E): // calc -> KANA
+ matrix_make(0x00);
+ break;
+ case (0xF0):
+ state = G80_F0;
+ return 0;
+ default:
+ // Not supported
+ matrix_clear();
+ break;
+ }
+ state = READY;
+ break;
+ case G80_F0:
+ switch (code) {
+ case (0x26): // TD= -> JYEN
+ matrix_break(0x5D);
+ break;
+ case (0x25): // page with edge -> NUHS
+ matrix_break(0x53);
+ break;
+ case (0x16): // two pages -> RO
+ matrix_break(0x51);
+ break;
+ case (0x1E): // calc -> KANA
+ matrix_break(0x00);
+ break;
+ default:
+ // Not supported
+ matrix_clear();
+ break;
+ }
+ state = READY;
+ break;
+#endif
}
return 0;
}
* [7] The IBM 6110344 Keyboard - Scan Code Set 3 of 122-key terminal keyboard
* https://www.seasip.info/VintagePC/ibm_6110344.html
*
+ * [8] IBM PC AT Technical Reference 1986
+ * http://bitsavers.org/pdf/ibm/pc/at/6183355_PC_AT_Technical_Reference_Mar86.pdf
+ *
* [y] TrackPoint Engineering Specifications for version 3E
* https://web.archive.org/web/20100526161812/http://wwwcssrv.almaden.ibm.com/trackpoint/download.html
*
projects / max / tmk_keyboard.git / blobdiff