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"
65 #ifdef MATRIX_HAS_GHOST
66 static uint16_t matrix_ghost_check[MATRIX_ROWS];
68 static inline bool countones(uint16_t data)
71 for (int col = 0; col < MATRIX_COLS; col++) {
80 static inline bool has_ghost_in_row(uint8_t row, uint16_t rowdata)
82 rowdata &= matrix_ghost_check[row];
83 if (((rowdata - 1) & rowdata) == 0){
86 /* No ghost exists when less than 2 keys are down on the row.
87 If there are "active" blanks in the matrix, the key can't be pressed by the user,
88 there is no doubt as to which keys are really being pressed.
89 The ghosts will be ignored, they are KC_NO. */
90 // Ghost occurs when the row shares column line with other row, blanks in the matrix don't matter
91 // If there are more than two real keys pressed and they match another row's real keys, the row will be ignored.
92 for (uint8_t i=0; i < MATRIX_ROWS; i++) {
93 if (i != row && countones((matrix_get_row(i) & matrix_ghost_check[i]) & rowdata)){
100 extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
101 // bit map of true keys and empty spots in matrix, each row is reversed
102 static inline void make_ghost_check_array(void){
103 for (int row = 0; row < MATRIX_ROWS; row++) {
104 for (int col = 0; col < MATRIX_COLS; col++) {
105 if (pgm_read_byte(&keymaps[0][row][col]) != 0)
106 matrix_ghost_check[row] |= 1<<col;
114 __attribute__ ((weak))
115 void matrix_setup(void) {
118 void keyboard_setup(void) {
122 void keyboard_init(void) {
125 #ifdef PS2_MOUSE_ENABLE
128 #ifdef SERIAL_MOUSE_ENABLE
131 #ifdef ADB_MOUSE_ENABLE
134 #ifdef BOOTMAGIC_ENABLE
139 #ifdef BACKLIGHT_ENABLE
142 #ifdef RGBLIGHT_ENABLE
145 #ifdef FAUXCLICKY_ENABLE
148 #if defined(NKRO_ENABLE) && defined(FORCE_NKRO)
149 keymap_config.nkro = 1;
151 #ifdef MATRIX_HAS_GHOST
152 make_ghost_check_array();
157 * Do keyboard routine jobs: scan mantrix, light LEDs, ...
158 * This is repeatedly called as fast as possible.
160 void keyboard_task(void)
162 static matrix_row_t matrix_prev[MATRIX_ROWS];
163 #ifdef MATRIX_HAS_GHOST
164 static matrix_row_t matrix_ghost[MATRIX_ROWS];
166 static uint8_t led_status = 0;
167 matrix_row_t matrix_row = 0;
168 matrix_row_t matrix_change = 0;
171 for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
172 matrix_row = matrix_get_row(r);
173 matrix_change = matrix_row ^ matrix_prev[r];
175 #ifdef MATRIX_HAS_GHOST
176 if (has_ghost_in_row(r, matrix_row)) {
177 /* Keep track of whether ghosted status has changed for
178 * debugging. But don't update matrix_prev until un-ghosted, or
179 * the last key would be lost.
181 if (debug_matrix && matrix_ghost[r] != matrix_row) {
184 matrix_ghost[r] = matrix_row;
187 matrix_ghost[r] = matrix_row;
189 if (debug_matrix) matrix_print();
190 for (uint8_t c = 0; c < MATRIX_COLS; c++) {
191 if (matrix_change & ((matrix_row_t)1<<c)) {
192 action_exec((keyevent_t){
193 .key = (keypos_t){ .row = r, .col = c },
194 .pressed = (matrix_row & ((matrix_row_t)1<<c)),
195 .time = (timer_read() | 1) /* time should not be 0 */
197 // record a processed key
198 matrix_prev[r] ^= ((matrix_row_t)1<<c);
199 // process a key per task call
200 goto MATRIX_LOOP_END;
205 // call with pseudo tick event when no real key event.
210 #ifdef MOUSEKEY_ENABLE
211 // mousekey repeat & acceleration
215 #ifdef PS2_MOUSE_ENABLE
219 #ifdef SERIAL_MOUSE_ENABLE
223 #ifdef ADB_MOUSE_ENABLE
227 #ifdef SERIAL_LINK_ENABLE
228 serial_link_update();
231 #ifdef VISUALIZER_ENABLE
232 visualizer_update(default_layer_state, layer_state, visualizer_get_mods(), host_keyboard_leds());
236 if (led_status != host_keyboard_leds()) {
237 led_status = host_keyboard_leds();
238 keyboard_set_leds(led_status);
242 void keyboard_set_leds(uint8_t leds)
244 if (debug_keyboard) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); }