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>
32 #include "bootmagic.h"
34 #include "backlight.h"
36 #ifdef MOUSEKEY_ENABLE
37 # include "mousekey.h"
39 #ifdef PS2_MOUSE_ENABLE
40 # include "ps2_mouse.h"
45 #ifdef MATRIX_HAS_GHOST
46 static bool has_ghost_in_row(uint8_t row
)
48 matrix_row_t matrix_row
= matrix_get_row(row
);
49 // No ghost exists when less than 2 keys are down on the row
50 if (((matrix_row
- 1) & matrix_row
) == 0)
53 // Ghost occurs when the row shares column line with other row
54 for (uint8_t i
=0; i
< MATRIX_ROWS
; i
++) {
55 if (i
!= row
&& (matrix_get_row(i
) & matrix_row
))
63 void keyboard_init(void)
67 #ifdef PS2_MOUSE_ENABLE
71 #ifdef BOOTMAGIC_ENABLE
75 #ifdef BACKLIGHT_ENABLE
81 * Do keyboard routine jobs: scan mantrix, light LEDs, ...
82 * This is repeatedly called as fast as possible.
84 void keyboard_task(void)
86 static matrix_row_t matrix_prev
[MATRIX_ROWS
];
87 static uint8_t led_status
= 0;
88 matrix_row_t matrix_row
= 0;
89 matrix_row_t matrix_change
= 0;
90 static uint32_t last_key_time
= 0;
93 #define SLEEP_TIME_MS 10000
94 // (USB_DeviceState == DEVICE_STATE_Suspended) {
95 //if (timer_elapsed32(last_key_time) > SLEEP_TIME_MS) {
96 // TODO: remove LUFA dependent code
97 if (!USB_IsInitialized && timer_elapsed32(last_key_time) > SLEEP_TIME_MS) {
99 // TODO: power down only when no USB connection
100 // Or it makes USB connection lost or suspended
101 suspend_power_down(WDTO_15MS);
110 for (uint8_t r
= 0; r
< MATRIX_ROWS
; r
++) {
111 matrix_row
= matrix_get_row(r
);
112 matrix_change
= matrix_row
^ matrix_prev
[r
];
114 if (debug_matrix
) matrix_print();
115 #ifdef MATRIX_HAS_GHOST
116 if (has_ghost_in_row(r
)) {
117 matrix_prev
[r
] = matrix_row
;
121 for (uint8_t c
= 0; c
< MATRIX_COLS
; c
++) {
122 if (matrix_change
& ((matrix_row_t
)1<<c
)) {
123 action_exec((keyevent_t
){
124 .key
= (keypos_t
){ .row
= r
, .col
= c
},
125 .pressed
= (matrix_row
& ((matrix_row_t
)1<<c
)),
126 .time
= (timer_read() | 1) /* time should not be 0 */
128 // record a processed key
129 matrix_prev
[r
] ^= ((matrix_row_t
)1<<c
);
130 last_key_time
= timer_read32();
131 // process a key per task call
132 goto MATRIX_LOOP_END
;
137 // call with pseudo tick event when no real key event.
142 #ifdef MOUSEKEY_ENABLE
143 // mousekey repeat & acceleration
147 #ifdef PS2_MOUSE_ENABLE
152 if (led_status
!= host_keyboard_leds()) {
153 led_status
= host_keyboard_leds();
154 keyboard_set_leds(led_status
);
158 void keyboard_set_leds(uint8_t leds
)
160 if (debug_keyboard
) { debug("keyboard_set_led: "); debug_hex8(leds
); debug("\n"); }