2 Copyright 2011 Jun Wako <wakojun@gmail.com>
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
38 static bool has_media_keys = false;
39 static bool is_iso_layout = false;
42 #define dmprintf(fmt, ...) do { /* if (debug_mouse) */ xprintf("M:" fmt, ##__VA_ARGS__); } while (0)
43 static uint16_t mouse_cpi = 100;
44 static void mouse_init(uint8_t addr);
47 // matrix state buffer(1:on, 0:off)
48 static matrix_row_t matrix[MATRIX_ROWS];
50 static void register_key(uint8_t key);
52 static void device_scan(void)
55 for (uint8_t addr = 0; addr < 16; addr++) {
56 uint16_t reg3 = adb_host_talk(addr, ADB_REG_3);
58 xprintf(" addr:%d, reg3:%04X\n", addr, reg3);
63 void matrix_init(void)
66 //debug_matrix = true;
67 //debug_keyboard = true;
71 DDRD |= (1<<6); PORTD |= (1<<6);
75 // wait for line and device to be stable
83 xprintf("\nKeyboard:\n");
84 // Determine ISO keyboard by handler id
85 // http://lxr.free-electrons.com/source/drivers/macintosh/adbhid.c?v=4.4#L815
86 uint8_t handler_id = (uint8_t) adb_host_talk(ADB_ADDR_KEYBOARD, ADB_REG_3);
88 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D:
89 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1:
94 is_iso_layout = false;
97 xprintf("hadler: %02X, ISO: %s\n", handler_id, (is_iso_layout ? "yes" : "no"));
99 // Adjustable keyboard media keys: address=0x07 and handlerID=0x02
100 has_media_keys = (0x02 == (adb_host_talk(ADB_ADDR_APPLIANCE, ADB_REG_3) & 0xff));
101 if (has_media_keys) {
102 xprintf("Media keys\n");
105 // Enable keyboard left/right modifier distinction
107 // upper byte: reserved bits 0000, keyboard address 0010
108 // lower byte: device handler 00000011
109 adb_host_listen(ADB_ADDR_KEYBOARD, ADB_REG_3, ADB_ADDR_KEYBOARD, ADB_HANDLER_EXTENDED_KEYBOARD);
111 // initialize matrix state: all keys off
112 for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
114 led_set(host_keyboard_leds());
117 DDRD |= (1<<6); PORTD &= ~(1<<6);
121 #ifdef ADB_MOUSE_ENABLE
122 static void mouse_init(uint8_t orig_addr)
125 uint8_t mouse_handler;
129 // Move to tmp address 15 to setup mouse function
130 mouse_handler = (reg3 = adb_host_talk(orig_addr, ADB_REG_3)) & 0xFF;
132 dmprintf("addr%d reg3: %04X\n", orig_addr, reg3);
134 // Move device to tmp address
135 adb_host_flush(orig_addr);
136 adb_host_listen(orig_addr, ADB_REG_3, ((reg3 >> 8) & 0xF0) | ADB_ADDR_TMP, 0xFE);
137 adb_host_flush(ADB_ADDR_TMP);
139 mouse_handler = (reg3 = adb_host_talk(ADB_ADDR_TMP, ADB_REG_3)) & 0xFF;
141 dmprintf("move fail\n");
148 // Try to escalate into extended/classic2 protocol
149 if (mouse_handler == ADB_HANDLER_CLASSIC1_MOUSE || mouse_handler == ADB_HANDLER_CLASSIC2_MOUSE) {
150 adb_host_flush(addr);
151 adb_host_listen(addr, ADB_REG_3, (reg3 >> 8), ADB_HANDLER_EXTENDED_MOUSE);
153 mouse_handler = (reg3 = adb_host_talk(addr, ADB_REG_3)) & 0xFF;
156 if (mouse_handler == ADB_HANDLER_CLASSIC1_MOUSE) {
157 adb_host_flush(addr);
158 adb_host_listen(addr, ADB_REG_3, (reg3 >> 8), ADB_HANDLER_CLASSIC2_MOUSE);
160 mouse_handler = (reg3 = adb_host_talk(addr, ADB_REG_3)) & 0xFF;
162 dmprintf("addr%d reg3: %04X\n", addr, reg3);
166 // Classic Protocol 100cpi
167 if (mouse_handler == ADB_HANDLER_CLASSIC1_MOUSE) {
168 xprintf("Classic 100cpi\n");
172 // Classic Protocol 200cpi
173 if (mouse_handler == ADB_HANDLER_CLASSIC2_MOUSE) {
174 xprintf("Classic 200cpi\n");
178 // Extended Mouse Protocol
179 if (mouse_handler == ADB_HANDLER_EXTENDED_MOUSE) {
180 // Device info format(reg1 8-byte data)
182 // 4-5: resolution in units/inch (0xC8=200upi)
183 // 6 : device class (0: Tablet, 1: Mouse, 2: Trackball)
184 // 7 : num of buttons
187 len = adb_host_talk_buf(addr, ADB_REG_1, buf, sizeof(buf));
190 mouse_cpi = (buf[4]<<8) | buf[5];
196 xprintf("Ext: [", len);
197 for (int8_t i = 0; i < len; i++) xprintf("%02X ", buf[i]);
198 xprintf("] cpi=%d\n", mouse_cpi);
202 // Kensington Turbo Mouse 5: default device
203 if (buf[0] == 0x4B && buf[1] == 0x4D && buf[2] == 0x4C && buf[3] == 0x31) {
204 xprintf("TM5: default\n");
205 // Move it to addr0 to remove this device and get new device with handle id 50 on addr 3
206 // and the new device on address 3 should be handled with command sequence later.
208 // Turbo Mouse 5 has one default device on addr3 as normal mouse at first, and another device
209 // with hander id 50 appears after the default device is moved from addr3.
210 // The mouse has the two devices at same time transiently in the result. The default device is
211 // removed automatically after the another device receives command sequence.
212 // NOTE: The mouse hangs if you try moving the two deivces to same address.
213 adb_host_flush(addr);
214 adb_host_listen(addr, ADB_REG_3, ((reg3 >> 8) & 0xF0) | ADB_ADDR_0, 0xFE);
216 xprintf("Unknown\n");
220 // Kensington Turbo Mouse 5: setup
221 if (mouse_handler == ADB_HANDLER_TURBO_MOUSE) {
222 xprintf("TM5: ext\n");
224 // Kensington Turbo Mouse 5 command sequence to enable four buttons
225 // https://elixir.bootlin.com/linux/v4.4/source/drivers/macintosh/adbhid.c#L1176
226 // https://github.com/NetBSD/src/blob/64b8a48e1288eb3902ed73113d157af50b2ec596/sys/arch/macppc/dev/ams.c#L261
227 static uint8_t cmd1[] = { 0xE7, 0x8C, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x94 };
228 static uint8_t cmd2[] = { 0xA5, 0x14, 0x00, 0x00, 0x69, 0xFF, 0xFF, 0x27 };
230 adb_host_flush(addr);
231 adb_host_listen_buf(addr, ADB_REG_2, cmd1, sizeof(cmd1));
232 adb_host_flush(addr);
233 adb_host_listen_buf(addr, ADB_REG_2, cmd2, sizeof(cmd2));
237 // Move to address 10 for mouse polling
238 adb_host_flush(addr);
239 adb_host_listen(addr, ADB_REG_3, ((reg3 >> 8) & 0xF0) | ADB_ADDR_MOUSE_POLL, 0xFE);
240 adb_host_flush(ADB_ADDR_MOUSE_POLL);
242 mouse_handler = (reg3 = adb_host_talk(addr, ADB_REG_3)) & 0xFF;
244 dmprintf("detect again\n");
254 #define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
256 static report_mouse_t mouse_report = {};
258 void adb_mouse_task(void)
263 static int8_t mouseacc;
265 /* tick of last polling */
266 static uint16_t tick_ms;
268 // polling with 12ms interval
269 if (timer_elapsed(tick_ms) < 12) return;
270 tick_ms = timer_read();
272 static uint16_t detect_ms;
273 if (timer_elapsed(detect_ms) > 1000) {
274 detect_ms = timer_read();
275 // check new device on addr3
276 mouse_init(ADB_ADDR_MOUSE);
279 // Extended Mouse Protocol data can be 2-5 bytes
280 // https://developer.apple.com/library/archive/technotes/hw/hw_01.html#Extended
282 // Byte 0: b00 y06 y05 y04 y03 y02 y01 y00
283 // Byte 1: b01 x06 x05 x04 x03 x02 x01 x00
284 // Byte 2: b02 y09 y08 y07 b03 x09 x08 x07
285 // Byte 3: b04 y12 y11 y10 b05 x12 x11 x10
286 // Byte 4: b06 y15 y14 y13 b07 x15 x14 x13
288 // b--: Button state.(0: on, 1: off)
289 // x--: X axis movement.
290 // y--: Y axis movement.
291 len = adb_host_talk_buf(ADB_ADDR_MOUSE_POLL, ADB_REG_0, buf, sizeof(buf));
293 // If nothing received reset mouse acceleration, and quit.
298 dmprintf("[%02X %02X %02X %02X %02X]\n", buf[0], buf[1], buf[2], buf[3], buf[4]);
300 // Store off-buttons and 0-movements in unused bytes
304 if (buf[0] & 0x40) yneg = true;
305 if (buf[1] & 0x40) xneg = true;
307 if (buf[len - 1] & 0x40) yneg = true;
308 if (buf[len - 1] & 0x04) xneg = true;
311 for (int8_t i = len; i < sizeof(buf); i++) {
313 if (yneg) buf[i] |= 0x70;
314 if (xneg) buf[i] |= 0x07;
318 // TODO: Fix HID report descriptor for mouse to support button6-8
320 if (!(buf[4] & 0x08)) buttons |= MOUSE_BTN8;
321 if (!(buf[4] & 0x80)) buttons |= MOUSE_BTN7;
322 if (!(buf[3] & 0x08)) buttons |= MOUSE_BTN6;
323 if (!(buf[3] & 0x80)) buttons |= MOUSE_BTN5;
324 if (!(buf[2] & 0x08)) buttons |= MOUSE_BTN4;
325 if (!(buf[2] & 0x80)) buttons |= MOUSE_BTN3;
326 if (!(buf[1] & 0x80)) buttons |= MOUSE_BTN2;
327 if (!(buf[0] & 0x80)) buttons |= MOUSE_BTN1;
328 mouse_report.buttons = buttons;
331 yy = (buf[0] & 0x7F) | (buf[2] & 0x70) << 3 | (buf[3] & 0x70) << 6 | (buf[4] & 0x70) << 9;
332 xx = (buf[1] & 0x7F) | (buf[2] & 0x07) << 7 | (buf[3] & 0x07) << 10 | (buf[4] & 0x07) << 13;
334 // Accelerate mouse. (They weren't meant to be used on screens larger than 320x200).
338 // TODO: Fix HID report descriptor for mouse to support finer resolution
339 // Cap our two bytes per axis to one byte.
340 // Easier with a MIN-function, but since -MAX(-a,-b) = MIN(a,b)...
341 // I.E. MIN(MAX(x,-127),127) = -MAX(-MAX(x, -127), -127) = MIN(-MIN(-x,127),127)
342 mouse_report.x = -MAX(-MAX(x, -127), -127);
343 mouse_report.y = -MAX(-MAX(y, -127), -127);
345 dmprintf("[B:%02X X:%d(%d) Y:%d(%d) A:%d]\n", mouse_report.buttons, mouse_report.x, xx, mouse_report.y, yy, mouseacc);
347 // Send result by usb.
348 host_mouse_send(&mouse_report);
350 // TODO: acceleration curve is needed for precise operation?
351 // increase acceleration of mouse
352 mouseacc += ( mouseacc < (mouse_cpi < 200 ? ADB_MOUSE_MAXACC : ADB_MOUSE_MAXACC/2) ? 1 : 0 );
358 uint8_t matrix_scan(void)
360 /* extra_key is volatile and more convoluted than necessary because gcc refused
361 to generate valid code otherwise. Making extra_key uint8_t and constructing codes
362 here via codes = extra_key<<8 | 0xFF; would consistently fail to even LOAD
363 extra_key from memory, and leave garbage in the high byte of codes. I tried
364 dozens of code variations and it kept generating broken assembly output. So
365 beware if attempting to make extra_key code more logical and efficient. */
366 static volatile uint16_t extra_key = 0xFFFF;
370 /* tick of last polling */
371 static uint16_t tick_ms;
376 if ( codes == 0xFFFF )
378 // polling with 12ms interval
379 if (timer_elapsed(tick_ms) < 12) return 0;
380 tick_ms = timer_read();
382 codes = adb_host_kbd_recv(ADB_ADDR_KEYBOARD);
384 // Adjustable keybaord media keys
385 if (codes == 0 && has_media_keys &&
386 (codes = adb_host_kbd_recv(ADB_ADDR_APPLIANCE))) {
388 switch (codes & 0x7f ) {
390 codes = (codes & ~0x007f) | 0x42;
393 codes = (codes & ~0x007f) | 0x4a;
395 case 0x02: // Volume down
396 codes = (codes & ~0x007f) | 0x49;
398 case 0x03: // Volume Up
399 codes = (codes & ~0x007f) | 0x48;
401 case 0x7F: // no code
404 xprintf("ERROR: media key1\n");
408 switch ((codes >> 8) & 0x7f ) {
410 codes = (codes & ~0x7f00) | (0x42 << 8);
413 codes = (codes & ~0x7f00) | (0x4a << 8);
415 case 0x02: // Volume down
416 codes = (codes & ~0x7f00) | (0x49 << 8);
418 case 0x03: // Volume Up
419 codes = (codes & ~0x7f00) | (0x48 << 8);
422 xprintf("ERROR: media key0\n");
430 if (debug_matrix && codes) {
431 print("adb_host_kbd_recv: "); phex16(codes); print("\n");
434 if (codes == 0) { // no keys
436 } else if (codes == 0x7F7F) { // power key press
438 } else if (codes == 0xFFFF) { // power key release
441 // Macally keyboard sends keys inversely against ADB protocol
442 // https://deskthority.net/workshop-f7/macally-mk96-t20116.html
448 /* Swap codes for ISO keyboard
449 * https://github.com/tmk/tmk_keyboard/issues/35
452 * ,----------- ----------.
453 * | *a| 1| 2 =|Backspa|
454 * |----------- ----------|
456 * |----------- ----------|
457 * |CapsLo| A| '|Return |
458 * |----------- ----------|
460 * `----------- ----------'
463 * ,----------- ----------.
464 * | *a| 1| 2 =|Backspa|
465 * |----------- ----------|
466 * |Tab | Q| | ]|Retur|
467 * |----------- -----` |
468 * |CapsLo| A| '| *c| |
469 * |----------- ----------|
471 * `----------- ----------'
473 * ADB scan code USB usage
474 * ------------- ---------
475 * Key ANSI ISO ANSI ISO
476 * ---------------------------------------------
477 * *a 0x32 0x0A 0x35 0x35
478 * *b ---- 0x32 ---- 0x64
479 * *c 0x2A 0x2A 0x31 0x31(or 0x32)
482 if ((key0 & 0x7F) == 0x32) {
483 key0 = (key0 & 0x80) | 0x0A;
484 } else if ((key0 & 0x7F) == 0x0A) {
485 key0 = (key0 & 0x80) | 0x32;
489 if (key1 != 0xFF) // key1 is 0xFF when no second key.
490 extra_key = key1<<8 | 0xFF; // process in a separate call
497 matrix_row_t matrix_get_row(uint8_t row)
503 static void register_key(uint8_t key)
509 matrix[row] &= ~(1<<col);
511 matrix[row] |= (1<<col);
515 void led_set(uint8_t usb_led)
517 adb_host_kbd_led(ADB_ADDR_KEYBOARD, ~usb_led);