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
37 #ifdef MATRIX_HAS_GHOST
38 static bool has_ghost_in_row(uint8_t row
)
40 matrix_row_t matrix_row
= matrix_get_row(row
);
41 // No ghost exists when less than 2 keys are down on the row
42 if (((matrix_row
- 1) & matrix_row
) == 0)
45 // Ghost occurs when the row shares column line with other row
46 for (uint8_t i
=0; i
< MATRIX_ROWS
; i
++) {
47 if (i
!= row
&& (matrix_get_row(i
) & matrix_row
))
55 void keyboard_init(void)
57 // TODO: configuration of sendchar impl
58 print_sendchar_func
= sendchar
;
63 /* matrix scan for boot magic keys */
65 uint8_t scan
= DEBOUNCE
* 2;
66 while (scan
--) { matrix_scan(); _delay_ms(1); }
72 #ifdef IS_BOOTMAGIC_BOOTLOADER
73 /* kick up bootloader */
74 if (IS_BOOTMAGIC_BOOTLOADER()) bootloader_jump();
76 #ifdef IS_BOOTMAGIC_DEBUG
77 if (IS_BOOTMAGIC_DEBUG()) debug_enable
= true;
80 #ifdef PS2_MOUSE_ENABLE
86 * Do keyboard routine jobs: scan mantrix, light LEDs, ...
87 * This is repeatedly called as fast as possible.
89 void keyboard_task(void)
91 static matrix_row_t matrix_prev
[MATRIX_ROWS
];
92 static uint8_t led_status
= 0;
93 matrix_row_t matrix_row
= 0;
94 matrix_row_t matrix_change
= 0;
97 for (uint8_t r
= 0; r
< MATRIX_ROWS
; r
++) {
98 matrix_row
= matrix_get_row(r
);
99 matrix_change
= matrix_row
^ matrix_prev
[r
];
101 if (debug_matrix
) matrix_print();
102 #ifdef MATRIX_HAS_GHOST
103 if (has_ghost_in_row(r
)) {
104 matrix_prev
[r
] = matrix_row
;
108 for (uint8_t c
= 0; c
< MATRIX_COLS
; c
++) {
109 if (matrix_change
& ((matrix_row_t
)1<<c
)) {
110 action_exec((keyevent_t
){
111 .key
= (key_t
){ .row
= r
, .col
= c
},
112 .pressed
= (matrix_row
& ((matrix_row_t
)1<<c
)),
113 .time
= (timer_read() | 1) /* time should not be 0 */
115 // record a processed key
116 matrix_prev
[r
] ^= ((matrix_row_t
)1<<c
);
117 // process a key per task call
118 goto MATRIX_LOOP_END
;
123 // call with pseudo tick event when no real key event.
127 #ifdef MOUSEKEY_ENABLE
128 // mousekey repeat & acceleration
132 if (led_status
!= host_keyboard_leds()) {
133 led_status
= host_keyboard_leds();
134 keyboard_set_leds(led_status
);
138 void keyboard_set_leds(uint8_t leds
)