Merge branch 'overlays'
[tmk_keyboard.git] / common / keyboard.c
1 /*
2 Copyright 2011,2012,2013 Jun Wako <wakojun@gmail.com>
3
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.
8
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.
13
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/>.
16 */
17 #include <stdint.h>
18 #include <util/delay.h>
19 #include "keyboard.h"
20 #include "matrix.h"
21 #include "keymap.h"
22 #include "host.h"
23 #include "led.h"
24 #include "keycode.h"
25 #include "timer.h"
26 #include "print.h"
27 #include "debug.h"
28 #include "command.h"
29 #include "util.h"
30 #include "sendchar.h"
31 #include "bootloader.h"
32 #ifdef MOUSEKEY_ENABLE
33 #include "mousekey.h"
34 #endif
35
36
37 void keyboard_init(void)
38 {
39 // TODO: configuration of sendchar impl
40 print_sendchar_func = sendchar;
41
42 timer_init();
43 matrix_init();
44
45 /* matrix scan for boot magic keys */
46 #ifdef DEBOUNCE
47 uint8_t scan = DEBOUNCE * 2;
48 while (scan--) { matrix_scan(); _delay_ms(1); }
49 #else
50 matrix_scan();
51 #endif
52
53 /* boot magic keys */
54 #ifdef IS_BOOTMAGIC_BOOTLOADER
55 /* kick up bootloader */
56 if (IS_BOOTMAGIC_BOOTLOADER()) bootloader_jump();
57 #endif
58 #ifdef IS_BOOTMAGIC_DEBUG
59 if (IS_BOOTMAGIC_DEBUG()) debug_enable = true;
60 #endif
61
62 #ifdef PS2_MOUSE_ENABLE
63 ps2_mouse_init();
64 #endif
65 }
66
67 /*
68 * Do keyboard routine jobs: scan mantrix, light LEDs, ...
69 * This is repeatedly called as fast as possible.
70 */
71 void keyboard_task(void)
72 {
73 static matrix_row_t matrix_prev[MATRIX_ROWS];
74 static uint8_t led_status = 0;
75 matrix_row_t matrix_row = 0;
76 matrix_row_t matrix_change = 0;
77
78 matrix_scan();
79 for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
80 matrix_row = matrix_get_row(r);
81 matrix_change = matrix_row ^ matrix_prev[r];
82 if (matrix_change) {
83 if (debug_matrix) matrix_print();
84
85 for (uint8_t c = 0; c < MATRIX_COLS; c++) {
86 if (matrix_change & ((matrix_row_t)1<<c)) {
87 action_exec((keyevent_t){
88 .key = (key_t){ .row = r, .col = c },
89 .pressed = (matrix_row & ((matrix_row_t)1<<c)),
90 .time = (timer_read() | 1) /* time should not be 0 */
91 });
92 // record a processed key
93 matrix_prev[r] ^= ((matrix_row_t)1<<c);
94 // process a key per task call
95 goto MATRIX_LOOP_END;
96 }
97 }
98 }
99 }
100 // call with pseudo tick event when no real key event.
101 action_exec(TICK);
102
103 MATRIX_LOOP_END:
104 #ifdef MOUSEKEY_ENABLE
105 // mousekey repeat & acceleration
106 mousekey_task();
107 #endif
108 // update LED
109 if (led_status != host_keyboard_leds()) {
110 led_status = host_keyboard_leds();
111 keyboard_set_leds(led_status);
112 }
113 }
114
115 void keyboard_set_leds(uint8_t leds)
116 {
117 led_set(leds);
118 }
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