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/>.
32 #include "backlight.h"
33 #include "action_layer.h"
34 #ifdef BOOTMAGIC_ENABLE
35 # include "bootmagic.h"
39 #ifdef MOUSEKEY_ENABLE
40 # include "mousekey.h"
42 #ifdef PS2_MOUSE_ENABLE
43 # include "ps2_mouse.h"
45 #ifdef SERIAL_MOUSE_ENABLE
46 # include "serial_mouse.h"
48 #ifdef ADB_MOUSE_ENABLE
51 #ifdef RGBLIGHT_ENABLE
52 # include "rgblight.h"
54 #ifdef FAUXCLICKY_ENABLE
55 # include "fauxclicky.h"
57 #ifdef SERIAL_LINK_ENABLE
58 # include "serial_link/system/serial_link.h"
60 #ifdef VISUALIZER_ENABLE
61 # include "visualizer/visualizer.h"
66 #ifdef MATRIX_HAS_GHOST
67 static uint16_t matrix_ghost_check[MATRIX_ROWS];
68 static bool has_ghost_in_row(uint8_t row)
70 matrix_row_t matrix_row = (matrix_get_row(row) & matrix_ghost_check[row]);
71 /* No ghost exists when less than 2 keys are down on the row.
72 If there are "active" blanks in the matrix, the key can't be pressed by the user,
73 there is no doubt as to which keys are really being pressed.
74 The ghosts will be ignored, they are KC_NO. */
75 if (((matrix_row - 1) & matrix_row) == 0){
78 // Ghost occurs when the row shares column line with other row, blanks in the matrix don't matter
79 // If there are more than two real keys pressed and they match another row's real keys, the row will be ignored.
80 for (uint8_t i=0; i < MATRIX_ROWS; i++) {
81 if (i != row && __builtin_popcount((matrix_get_row(i) & matrix_ghost_check[i]) & matrix_row) > 1){
89 extern const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
90 // bit map of true keys and empty spots in matrix, each row is reversed
91 void make_ghost_check_array(){
92 for (int row = 0; row < MATRIX_ROWS; row++) {
93 for (int col = 0; col < MATRIX_COLS; col++) {
94 if (keymaps[0][row][col] & 0xFF)
95 matrix_ghost_check[row] |= 1<<col;
97 matrix_ghost_check[row] |= 0<<col;
104 __attribute__ ((weak))
105 void matrix_setup(void) {
108 void keyboard_setup(void) {
112 void keyboard_init(void) {
115 #ifdef PS2_MOUSE_ENABLE
118 #ifdef SERIAL_MOUSE_ENABLE
121 #ifdef ADB_MOUSE_ENABLE
124 #ifdef BOOTMAGIC_ENABLE
129 #ifdef BACKLIGHT_ENABLE
132 #ifdef RGBLIGHT_ENABLE
135 #ifdef FAUXCLICKY_ENABLE
138 #if defined(NKRO_ENABLE) && defined(FORCE_NKRO)
139 keymap_config.nkro = 1;
141 #ifdef MATRIX_HAS_GHOST
142 make_ghost_check_array();
147 * Do keyboard routine jobs: scan mantrix, light LEDs, ...
148 * This is repeatedly called as fast as possible.
150 void keyboard_task(void)
152 static matrix_row_t matrix_prev[MATRIX_ROWS];
153 #ifdef MATRIX_HAS_GHOST
154 static matrix_row_t matrix_ghost[MATRIX_ROWS];
156 static uint8_t led_status = 0;
157 matrix_row_t matrix_row = 0;
158 matrix_row_t matrix_change = 0;
161 for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
162 matrix_row = matrix_get_row(r);
163 matrix_change = matrix_row ^ matrix_prev[r];
165 #ifdef MATRIX_HAS_GHOST
166 if (has_ghost_in_row(r)) {
167 /* Keep track of whether ghosted status has changed for
168 * debugging. But don't update matrix_prev until un-ghosted, or
169 * the last key would be lost.
171 if (debug_matrix && matrix_ghost[r] != matrix_row) {
174 matrix_ghost[r] = matrix_row;
177 matrix_ghost[r] = matrix_row;
179 if (debug_matrix) matrix_print();
180 for (uint8_t c = 0; c < MATRIX_COLS; c++) {
181 if (matrix_change & ((matrix_row_t)1<<c)) {
182 action_exec((keyevent_t){
183 .key = (keypos_t){ .row = r, .col = c },
184 .pressed = (matrix_row & ((matrix_row_t)1<<c)),
185 .time = (timer_read() | 1) /* time should not be 0 */
187 // record a processed key
188 matrix_prev[r] ^= ((matrix_row_t)1<<c);
189 // process a key per task call
190 goto MATRIX_LOOP_END;
195 // call with pseudo tick event when no real key event.
200 #ifdef MOUSEKEY_ENABLE
201 // mousekey repeat & acceleration
205 #ifdef PS2_MOUSE_ENABLE
209 #ifdef SERIAL_MOUSE_ENABLE
213 #ifdef ADB_MOUSE_ENABLE
217 #ifdef SERIAL_LINK_ENABLE
218 serial_link_update();
221 #ifdef VISUALIZER_ENABLE
222 visualizer_update(default_layer_state, layer_state, visualizer_get_mods(), host_keyboard_leds());
226 if (led_status != host_keyboard_leds()) {
227 led_status = host_keyboard_leds();
228 keyboard_set_leds(led_status);
232 void keyboard_set_leds(uint8_t leds)
234 if (debug_keyboard) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); }