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/>.
24 #include <util/delay.h>
38 static bool has_media_keys = false;
39 static bool is_iso_layout = false;
40 static uint8_t mouse_handler = ADB_HANDLER_CLASSIC1_MOUSE;
41 static uint16_t mouse_cpi = 100;
43 // matrix state buffer(1:on, 0:off)
44 static matrix_row_t matrix[MATRIX_ROWS];
46 static void register_key(uint8_t key);
49 void matrix_init(void)
52 DDRD |= (1<<6); PORTD |= (1<<6);
55 // wait for keyboard to boot up and receive command
60 for (uint8_t addr = 1; addr < 16; addr++) {
61 uint16_t reg3 = adb_host_talk(addr, ADB_REG_3);
63 xprintf(" addr:%d, reg3:%04X\n", addr, reg3);
72 xprintf("\nKeyboard:\n");
73 // Determine ISO keyboard by handler id
74 // http://lxr.free-electrons.com/source/drivers/macintosh/adbhid.c?v=4.4#L815
75 uint8_t handler_id = (uint8_t) adb_host_talk(ADB_ADDR_KEYBOARD, ADB_REG_3);
77 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D:
78 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1:
83 is_iso_layout = false;
86 xprintf("hadler: %02X, ISO: %s\n", handler_id, (is_iso_layout ? "yes" : "no"));
88 // Adjustable keyboard media keys: address=0x07 and handlerID=0x02
89 has_media_keys = (0x02 == (adb_host_talk(ADB_ADDR_APPLIANCE, ADB_REG_3) & 0xff));
91 xprintf("Media keys\n");
94 // Enable keyboard left/right modifier distinction
96 // upper byte: reserved bits 0000, keyboard address 0010
97 // lower byte: device handler 00000011
98 adb_host_listen(ADB_ADDR_KEYBOARD, ADB_REG_3, ADB_ADDR_KEYBOARD, ADB_HANDLER_EXTENDED_KEYBOARD);
101 #ifdef ADB_MOUSE_ENABLE
105 // https://developer.apple.com/library/archive/technotes/hw/hw_01.html#Extended
106 xprintf("\nMouse:\n");
108 // Some old mouses seems to need wait between commands.
110 adb_host_listen(ADB_ADDR_MOUSE, ADB_REG_3, ADB_ADDR_MOUSE, ADB_HANDLER_CLASSIC2_MOUSE);
113 adb_host_listen(ADB_ADDR_MOUSE, ADB_REG_3, ADB_ADDR_MOUSE, ADB_HANDLER_EXTENDED_MOUSE);
116 mouse_handler = adb_host_talk(ADB_ADDR_MOUSE, ADB_REG_3) & 0xff;
117 mouse_handler = mouse_handler ? mouse_handler : ADB_HANDLER_CLASSIC1_MOUSE;
119 if (mouse_handler == ADB_HANDLER_CLASSIC1_MOUSE) { mouse_cpi = 100; }
120 if (mouse_handler == ADB_HANDLER_CLASSIC2_MOUSE) { mouse_cpi = 200; }
122 // Extended Mouse Protocol
123 if (mouse_handler == ADB_HANDLER_EXTENDED_MOUSE) {
124 // Device info format(reg1 8-byte data)
126 // 4-5: resolution in units/inch (0xC8=200upi)
127 // 6 : device class (0: Tablet, 1: Mouse, 2: Trackball)
128 // 7 : num of buttons
131 len = adb_host_talk_buf(ADB_ADDR_MOUSE, ADB_REG_1, buf, sizeof(buf));
133 xprintf("Devinfo: [", len);
134 for (int8_t i = 0; i < len; i++) xprintf("%02X ", buf[i]);
139 mouse_cpi = (buf[4]<<8) | buf[5];
144 // Kensington Turbo Mouse 5
145 if (len == 8 && buf[0] == 0x4B && buf[1] == 0x4D && buf[2] == 0x4C && buf[3] == 0x31) {
146 xprintf("Turbo Mouse 5\n");
148 // Turbo Mouse command sequence to enable four buttons
149 // https://elixir.bootlin.com/linux/v4.4/source/drivers/macintosh/adbhid.c#L1176
150 // https://github.com/NetBSD/src/blob/64b8a48e1288eb3902ed73113d157af50b2ec596/sys/arch/macppc/dev/ams.c#L261
151 static uint8_t cmd1[] = { 0xE7, 0x8C, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x94 };
152 static uint8_t cmd2[] = { 0xA5, 0x14, 0x00, 0x00, 0x69, 0xFF, 0xFF, 0x27 };
154 // configure with new address 9
155 adb_host_listen(ADB_ADDR_MOUSE, ADB_REG_3, 0x69, 0xFE);
158 adb_host_flush(ADB_ADDR_MOUSE);
159 adb_host_listen_buf(ADB_ADDR_MOUSE, ADB_REG_2, cmd1, sizeof(cmd1));
160 adb_host_flush(ADB_ADDR_MOUSE);
161 adb_host_listen_buf(ADB_ADDR_MOUSE, ADB_REG_2, cmd2, sizeof(cmd2));
164 // Add device specific init here
166 mouse_handler = adb_host_talk(ADB_ADDR_MOUSE, ADB_REG_3) & 0xff;
167 mouse_handler = mouse_handler ? mouse_handler : ADB_HANDLER_CLASSIC1_MOUSE;
168 xprintf("handler: %d\n", mouse_handler);
169 xprintf("cpi: %d\n", mouse_cpi);
173 xprintf("\nScan:\n");
174 for (uint8_t addr = 1; addr < 16; addr++) {
175 uint16_t reg3 = adb_host_talk(addr, ADB_REG_3);
177 xprintf(" addr:%d, reg3:%04X\n", addr, reg3);
182 // initialize matrix state: all keys off
183 for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
185 led_set(host_keyboard_leds());
188 //debug_matrix = true;
189 //debug_keyboard = true;
193 DDRD |= (1<<6); PORTD &= ~(1<<6);
197 #ifdef ADB_MOUSE_ENABLE
202 #define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
204 static report_mouse_t mouse_report = {};
206 void adb_mouse_task(void)
211 static int8_t mouseacc;
213 /* tick of last polling */
214 static uint16_t tick_ms;
216 // polling with 12ms interval
217 if (timer_elapsed(tick_ms) < 12) return;
218 tick_ms = timer_read();
220 // Extended Mouse Protocol data can be 2-5 bytes
221 // https://developer.apple.com/library/archive/technotes/hw/hw_01.html#Extended
223 // Byte 0: b00 y06 y05 y04 y03 y02 y01 y00
224 // Byte 1: b01 x06 x05 x04 x03 x02 x01 x00
225 // Byte 2: b02 y09 y08 y07 b03 x09 x08 x07
226 // Byte 3: b04 y12 y11 y10 b05 x12 x11 x10
227 // Byte 4: b06 y15 y14 y13 b07 x15 x14 x13
229 // b--: Button state.(0: on, 1: off)
230 // x--: X axis movement.
231 // y--: Y axis movement.
232 len = adb_host_talk_buf(ADB_ADDR_MOUSE, ADB_REG_0, buf, sizeof(buf));
234 // If nothing received reset mouse acceleration, and quit.
240 // Store off-buttons and 0-movements in unused bytes
244 if (buf[0] & 0x40) yneg = true;
245 if (buf[1] & 0x40) xneg = true;
247 if (buf[len - 1] & 0x40) yneg = true;
248 if (buf[len - 1] & 0x04) xneg = true;
251 for (int8_t i = len; i < sizeof(buf); i++) {
253 if (yneg) buf[i] |= 0x70;
254 if (xneg) buf[i] |= 0x07;
258 // TODO: Fix HID report descriptor for mouse to support button6-8
260 if (!(buf[4] & 0x08)) buttons |= MOUSE_BTN8;
261 if (!(buf[4] & 0x80)) buttons |= MOUSE_BTN7;
262 if (!(buf[3] & 0x08)) buttons |= MOUSE_BTN6;
263 if (!(buf[3] & 0x80)) buttons |= MOUSE_BTN5;
264 if (!(buf[2] & 0x08)) buttons |= MOUSE_BTN4;
265 if (!(buf[2] & 0x80)) buttons |= MOUSE_BTN3;
266 if (!(buf[1] & 0x80)) buttons |= MOUSE_BTN2;
267 if (!(buf[0] & 0x80)) buttons |= MOUSE_BTN1;
268 mouse_report.buttons = buttons;
271 yy = (buf[0] & 0x7F) | (buf[2] & 0x70) << 3 | (buf[3] & 0x70) << 6 | (buf[4] & 0x70) << 9;
272 xx = (buf[1] & 0x7F) | (buf[2] & 0x07) << 7 | (buf[3] & 0x07) << 10 | (buf[4] & 0x07) << 13;
274 // Accelerate mouse. (They weren't meant to be used on screens larger than 320x200).
278 // TODO: Fix HID report descriptor for mouse to support finer resolution
279 // Cap our two bytes per axis to one byte.
280 // Easier with a MIN-function, but since -MAX(-a,-b) = MIN(a,b)...
281 // I.E. MIN(MAX(x,-127),127) = -MAX(-MAX(x, -127), -127) = MIN(-MIN(-x,127),127)
282 mouse_report.x = -MAX(-MAX(x, -127), -127);
283 mouse_report.y = -MAX(-MAX(y, -127), -127);
287 for (int8_t i = 0; i < len; i++) xprintf("%02X ", buf[i]);
289 xprintf("[B:%02X, X:%d(%d), Y:%d(%d), A:%d]\n", mouse_report.buttons, mouse_report.x, xx, mouse_report.y, yy, mouseacc);
292 // Send result by usb.
293 host_mouse_send(&mouse_report);
295 // TODO: acceleration curve is needed for precise operation?
296 // increase acceleration of mouse
297 mouseacc += ( mouseacc < (mouse_cpi < 200 ? ADB_MOUSE_MAXACC : ADB_MOUSE_MAXACC/2) ? 1 : 0 );
303 uint8_t matrix_scan(void)
305 /* extra_key is volatile and more convoluted than necessary because gcc refused
306 to generate valid code otherwise. Making extra_key uint8_t and constructing codes
307 here via codes = extra_key<<8 | 0xFF; would consistently fail to even LOAD
308 extra_key from memory, and leave garbage in the high byte of codes. I tried
309 dozens of code variations and it kept generating broken assembly output. So
310 beware if attempting to make extra_key code more logical and efficient. */
311 static volatile uint16_t extra_key = 0xFFFF;
315 /* tick of last polling */
316 static uint16_t tick_ms;
321 if ( codes == 0xFFFF )
323 // polling with 12ms interval
324 if (timer_elapsed(tick_ms) < 12) return 0;
325 tick_ms = timer_read();
327 codes = adb_host_kbd_recv(ADB_ADDR_KEYBOARD);
329 // Adjustable keybaord media keys
330 if (codes == 0 && has_media_keys &&
331 (codes = adb_host_kbd_recv(ADB_ADDR_APPLIANCE))) {
333 switch (codes & 0x7f ) {
335 codes = (codes & ~0x007f) | 0x42;
338 codes = (codes & ~0x007f) | 0x4a;
340 case 0x02: // Volume down
341 codes = (codes & ~0x007f) | 0x49;
343 case 0x03: // Volume Up
344 codes = (codes & ~0x007f) | 0x48;
346 case 0x7F: // no code
349 xprintf("ERROR: media key1\n");
353 switch ((codes >> 8) & 0x7f ) {
355 codes = (codes & ~0x7f00) | (0x42 << 8);
358 codes = (codes & ~0x7f00) | (0x4a << 8);
360 case 0x02: // Volume down
361 codes = (codes & ~0x7f00) | (0x49 << 8);
363 case 0x03: // Volume Up
364 codes = (codes & ~0x7f00) | (0x48 << 8);
367 xprintf("ERROR: media key0\n");
375 if (debug_matrix && codes) {
376 print("adb_host_kbd_recv: "); phex16(codes); print("\n");
379 if (codes == 0) { // no keys
381 } else if (codes == 0x7F7F) { // power key press
383 } else if (codes == 0xFFFF) { // power key release
385 } else if (key0 == 0xFF) { // error
386 xprintf("adb_host_kbd_recv: ERROR(%d)\n", codes);
387 // something wrong or plug-in
391 /* Swap codes for ISO keyboard
392 * https://github.com/tmk/tmk_keyboard/issues/35
395 * ,----------- ----------.
396 * | *a| 1| 2 =|Backspa|
397 * |----------- ----------|
399 * |----------- ----------|
400 * |CapsLo| A| '|Return |
401 * |----------- ----------|
403 * `----------- ----------'
406 * ,----------- ----------.
407 * | *a| 1| 2 =|Backspa|
408 * |----------- ----------|
409 * |Tab | Q| | ]|Retur|
410 * |----------- -----` |
411 * |CapsLo| A| '| *c| |
412 * |----------- ----------|
414 * `----------- ----------'
416 * ADB scan code USB usage
417 * ------------- ---------
418 * Key ANSI ISO ANSI ISO
419 * ---------------------------------------------
420 * *a 0x32 0x0A 0x35 0x35
421 * *b ---- 0x32 ---- 0x64
422 * *c 0x2A 0x2A 0x31 0x31(or 0x32)
425 if ((key0 & 0x7F) == 0x32) {
426 key0 = (key0 & 0x80) | 0x0A;
427 } else if ((key0 & 0x7F) == 0x0A) {
428 key0 = (key0 & 0x80) | 0x32;
432 if (key1 != 0xFF) // key1 is 0xFF when no second key.
433 extra_key = key1<<8 | 0xFF; // process in a separate call
440 matrix_row_t matrix_get_row(uint8_t row)
446 static void register_key(uint8_t key)
452 matrix[row] &= ~(1<<col);
454 matrix[row] |= (1<<col);
458 void led_set(uint8_t usb_led)
460 adb_host_kbd_led(ADB_ADDR_KEYBOARD, ~usb_led);