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"
64 #ifdef MATRIX_HAS_GHOST
65 extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
66 static matrix_row_t get_real_keys(uint8_t row, matrix_row_t rowdata){
68 for (uint8_t col = 0; col < MATRIX_COLS; col++) {
69 //read each key in the row data and check if the keymap defines it as a real key
70 if (pgm_read_byte(&keymaps[0][row][col]) && (rowdata & (1<<col))){
71 //this creates new row data, if a key is defined in the keymap, it will be set here
78 static inline bool popcount_more_than_one(matrix_row_t rowdata)
80 rowdata &= rowdata-1; //if there are less than two bits (keys) set, rowdata will become zero
84 static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata)
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 rowdata = get_real_keys(row, rowdata);
91 if ((popcount_more_than_one(rowdata)) == 0){
94 /* Ghost occurs when the row shares a column line with other row,
95 and two columns are read on each row. Blanks in the matrix don't matter,
96 so they are filtered out.
97 If there are two or more real keys pressed and they match columns with
98 at least two of another row's real keys, the row will be ignored. Keep in mind,
99 we are checking one row at a time, not all of them at once.
101 for (uint8_t i=0; i < MATRIX_ROWS; i++) {
102 if (i != row && popcount_more_than_one(get_real_keys(i, matrix_get_row(i)) & rowdata)){
111 __attribute__ ((weak))
112 void matrix_setup(void) {
115 void keyboard_setup(void) {
119 void keyboard_init(void) {
122 #ifdef PS2_MOUSE_ENABLE
125 #ifdef SERIAL_MOUSE_ENABLE
128 #ifdef ADB_MOUSE_ENABLE
131 #ifdef BOOTMAGIC_ENABLE
136 #ifdef BACKLIGHT_ENABLE
139 #ifdef RGBLIGHT_ENABLE
142 #ifdef FAUXCLICKY_ENABLE
145 #if defined(NKRO_ENABLE) && defined(FORCE_NKRO)
146 keymap_config.nkro = 1;
151 * Do keyboard routine jobs: scan mantrix, light LEDs, ...
152 * This is repeatedly called as fast as possible.
154 void keyboard_task(void)
156 static matrix_row_t matrix_prev[MATRIX_ROWS];
157 #ifdef MATRIX_HAS_GHOST
158 // static matrix_row_t matrix_ghost[MATRIX_ROWS];
160 static uint8_t led_status = 0;
161 matrix_row_t matrix_row = 0;
162 matrix_row_t matrix_change = 0;
165 for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
166 matrix_row = matrix_get_row(r);
167 matrix_change = matrix_row ^ matrix_prev[r];
169 #ifdef MATRIX_HAS_GHOST
170 if (has_ghost_in_row(r, matrix_row)) {
171 /* Keep track of whether ghosted status has changed for
172 * debugging. But don't update matrix_prev until un-ghosted, or
173 * the last key would be lost.
175 //if (debug_matrix && matrix_ghost[r] != matrix_row) {
178 //matrix_ghost[r] = matrix_row;
181 //matrix_ghost[r] = matrix_row;
183 if (debug_matrix) matrix_print();
184 for (uint8_t c = 0; c < MATRIX_COLS; c++) {
185 if (matrix_change & ((matrix_row_t)1<<c)) {
186 action_exec((keyevent_t){
187 .key = (keypos_t){ .row = r, .col = c },
188 .pressed = (matrix_row & ((matrix_row_t)1<<c)),
189 .time = (timer_read() | 1) /* time should not be 0 */
191 // record a processed key
192 matrix_prev[r] ^= ((matrix_row_t)1<<c);
193 // process a key per task call
194 goto MATRIX_LOOP_END;
199 // call with pseudo tick event when no real key event.
204 #ifdef MOUSEKEY_ENABLE
205 // mousekey repeat & acceleration
209 #ifdef PS2_MOUSE_ENABLE
213 #ifdef SERIAL_MOUSE_ENABLE
217 #ifdef ADB_MOUSE_ENABLE
221 #ifdef SERIAL_LINK_ENABLE
222 serial_link_update();
225 #ifdef VISUALIZER_ENABLE
226 visualizer_update(default_layer_state, layer_state, visualizer_get_mods(), host_keyboard_leds());
230 if (led_status != host_keyboard_leds()) {
231 led_status = host_keyboard_leds();
232 keyboard_set_leds(led_status);
236 void keyboard_set_leds(uint8_t leds)
238 if (debug_keyboard) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); }