2 Copyright 2011,2012,2013 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/>.
18 #include <util/delay.h>
31 #include "bootmagic.h"
33 #include "backlight.h"
34 #ifdef MOUSEKEY_ENABLE
35 # include "mousekey.h"
37 #ifdef PS2_MOUSE_ENABLE
38 # include "ps2_mouse.h"
42 #ifdef MATRIX_HAS_GHOST
43 static bool has_ghost_in_row(uint8_t row)
45 matrix_row_t matrix_row = matrix_get_row(row);
46 // No ghost exists when less than 2 keys are down on the row
47 if (((matrix_row - 1) & matrix_row) == 0)
50 // Ghost occurs when the row shares column line with other row
51 for (uint8_t i=0; i < MATRIX_ROWS; i++) {
52 if (i != row && (matrix_get_row(i) & matrix_row))
60 void keyboard_init(void)
64 #ifdef PS2_MOUSE_ENABLE
68 #ifdef BOOTMAGIC_ENABLE
72 #ifdef BACKLIGHT_ENABLE
78 * Do keyboard routine jobs: scan mantrix, light LEDs, ...
79 * This is repeatedly called as fast as possible.
81 void keyboard_task(void)
83 static matrix_row_t matrix_prev[MATRIX_ROWS];
84 static uint8_t led_status = 0;
85 matrix_row_t matrix_row = 0;
86 matrix_row_t matrix_change = 0;
89 for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
90 matrix_row = matrix_get_row(r);
91 matrix_change = matrix_row ^ matrix_prev[r];
93 if (debug_matrix) matrix_print();
94 #ifdef MATRIX_HAS_GHOST
95 if (has_ghost_in_row(r)) {
96 matrix_prev[r] = matrix_row;
100 for (uint8_t c = 0; c < MATRIX_COLS; c++) {
101 if (matrix_change & ((matrix_row_t)1<<c)) {
102 action_exec((keyevent_t){
103 .key = (key_t){ .row = r, .col = c },
104 .pressed = (matrix_row & ((matrix_row_t)1<<c)),
105 .time = (timer_read() | 1) /* time should not be 0 */
107 // record a processed key
108 matrix_prev[r] ^= ((matrix_row_t)1<<c);
109 // process a key per task call
110 goto MATRIX_LOOP_END;
115 // call with pseudo tick event when no real key event.
120 #ifdef MOUSEKEY_ENABLE
121 // mousekey repeat & acceleration
125 #ifdef PS2_MOUSE_ENABLE
130 if (led_status != host_keyboard_leds()) {
131 led_status = host_keyboard_leds();
132 keyboard_set_leds(led_status);
136 void keyboard_set_leds(uint8_t leds)
138 if (debug_keyboard) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); }