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 "bootloader.h"
32 #ifdef MOUSEKEY_ENABLE
38 #ifdef MATRIX_HAS_GHOST
39 static bool has_ghost_in_row(uint8_t row)
41 matrix_row_t matrix_row = matrix_get_row(row);
42 // No ghost exists when less than 2 keys are down on the row
43 if (((matrix_row - 1) & matrix_row) == 0)
46 // Ghost occurs when the row shares column line with other row
47 for (uint8_t i=0; i < MATRIX_ROWS; i++) {
48 if (i != row && (matrix_get_row(i) & matrix_row))
56 void keyboard_init(void)
58 // TODO: configuration of sendchar impl
59 print_sendchar_func = sendchar;
63 #ifdef PS2_MOUSE_ENABLE
67 /* matrix scan for boot magic keys */
69 uint8_t scan = DEBOUNCE * 2;
70 while (scan--) { matrix_scan(); _delay_ms(1); }
76 #ifdef IS_BOOTMAGIC_BOOTLOADER
77 /* kick up bootloader */
78 if (IS_BOOTMAGIC_BOOTLOADER()) bootloader_jump();
80 #ifdef IS_BOOTMAGIC_DEBUG
81 if (IS_BOOTMAGIC_DEBUG()) {
82 eeconfig_write_debug(eeconfig_read_debug() ^ EECONFIG_DEBUG_ENABLE);
85 #ifdef IS_BOOTMAGIC_EEPROM_CLEAR
86 if (IS_BOOTMAGIC_EEPROM_CLEAR()) eeconfig_init();
89 if (eeconfig_initialized()) {
91 config = eeconfig_read_debug();
92 debug_enable = (config & EECONFIG_DEBUG_ENABLE);
93 debug_matrix = (config & EECONFIG_DEBUG_MATRIX);
94 debug_keyboard = (config & EECONFIG_DEBUG_KEYBOARD);
95 debug_mouse = (config & EECONFIG_DEBUG_MOUSE);
103 * Do keyboard routine jobs: scan mantrix, light LEDs, ...
104 * This is repeatedly called as fast as possible.
106 void keyboard_task(void)
108 static matrix_row_t matrix_prev[MATRIX_ROWS];
109 static uint8_t led_status = 0;
110 matrix_row_t matrix_row = 0;
111 matrix_row_t matrix_change = 0;
114 for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
115 matrix_row = matrix_get_row(r);
116 matrix_change = matrix_row ^ matrix_prev[r];
118 if (debug_matrix) matrix_print();
119 #ifdef MATRIX_HAS_GHOST
120 if (has_ghost_in_row(r)) {
121 matrix_prev[r] = matrix_row;
125 for (uint8_t c = 0; c < MATRIX_COLS; c++) {
126 if (matrix_change & ((matrix_row_t)1<<c)) {
127 action_exec((keyevent_t){
128 .key = (key_t){ .row = r, .col = c },
129 .pressed = (matrix_row & ((matrix_row_t)1<<c)),
130 .time = (timer_read() | 1) /* time should not be 0 */
132 // record a processed key
133 matrix_prev[r] ^= ((matrix_row_t)1<<c);
134 // process a key per task call
135 goto MATRIX_LOOP_END;
140 // call with pseudo tick event when no real key event.
144 #ifdef MOUSEKEY_ENABLE
145 // mousekey repeat & acceleration
149 if (led_status != host_keyboard_leds()) {
150 led_status = host_keyboard_leds();
151 keyboard_set_leds(led_status);
155 void keyboard_set_leds(uint8_t leds)