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"
55 # include "process_steno.h"
57 #ifdef FAUXCLICKY_ENABLE
58 # include "fauxclicky.h"
60 #ifdef SERIAL_LINK_ENABLE
61 # include "serial_link/system/serial_link.h"
63 #ifdef VISUALIZER_ENABLE
64 # include "visualizer/visualizer.h"
66 #ifdef POINTING_DEVICE_ENABLE
67 # include "pointing_device.h"
70 # include "process_midi.h"
76 #ifdef MATRIX_HAS_GHOST
77 extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
78 static matrix_row_t get_real_keys(uint8_t row, matrix_row_t rowdata){
80 for (uint8_t col = 0; col < MATRIX_COLS; col++) {
81 //read each key in the row data and check if the keymap defines it as a real key
82 if (pgm_read_byte(&keymaps[0][row][col]) && (rowdata & (1<<col))){
83 //this creates new row data, if a key is defined in the keymap, it will be set here
90 static inline bool popcount_more_than_one(matrix_row_t rowdata)
92 rowdata &= rowdata-1; //if there are less than two bits (keys) set, rowdata will become zero
96 static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata)
98 /* No ghost exists when less than 2 keys are down on the row.
99 If there are "active" blanks in the matrix, the key can't be pressed by the user,
100 there is no doubt as to which keys are really being pressed.
101 The ghosts will be ignored, they are KC_NO. */
102 rowdata = get_real_keys(row, rowdata);
103 if ((popcount_more_than_one(rowdata)) == 0){
106 /* Ghost occurs when the row shares a column line with other row,
107 and two columns are read on each row. Blanks in the matrix don't matter,
108 so they are filtered out.
109 If there are two or more real keys pressed and they match columns with
110 at least two of another row's real keys, the row will be ignored. Keep in mind,
111 we are checking one row at a time, not all of them at once.
113 for (uint8_t i=0; i < MATRIX_ROWS; i++) {
114 if (i != row && popcount_more_than_one(get_real_keys(i, matrix_get_row(i)) & rowdata)){
123 /** \brief matrix_setup
127 __attribute__ ((weak))
128 void matrix_setup(void) {
131 /** \brief keyboard_setup
135 void keyboard_setup(void) {
139 /** \brief is_keyboard_master
143 __attribute__((weak))
144 bool is_keyboard_master(void) {
148 /** \brief keyboard_init
152 void keyboard_init(void) {
154 // To use PORTF disable JTAG with writing JTD bit twice within four cycles.
155 #if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega32U4__))
160 #ifdef PS2_MOUSE_ENABLE
163 #ifdef SERIAL_MOUSE_ENABLE
166 #ifdef ADB_MOUSE_ENABLE
169 #ifdef BOOTMAGIC_ENABLE
174 #ifdef BACKLIGHT_ENABLE
177 #ifdef RGBLIGHT_ENABLE
183 #ifdef FAUXCLICKY_ENABLE
186 #ifdef POINTING_DEVICE_ENABLE
187 pointing_device_init();
189 #if defined(NKRO_ENABLE) && defined(FORCE_NKRO)
190 keymap_config.nkro = 1;
194 /** \brief Keyboard task: Do keyboard routine jobs
196 * Do routine keyboard jobs:
199 * * handle mouse movements
200 * * run visualizer code
201 * * handle midi commands
204 * This is repeatedly called as fast as possible.
206 void keyboard_task(void)
208 static matrix_row_t matrix_prev[MATRIX_ROWS];
209 #ifdef MATRIX_HAS_GHOST
210 // static matrix_row_t matrix_ghost[MATRIX_ROWS];
212 static uint8_t led_status = 0;
213 matrix_row_t matrix_row = 0;
214 matrix_row_t matrix_change = 0;
215 #ifdef QMK_KEYS_PER_SCAN
216 uint8_t keys_processed = 0;
220 if (is_keyboard_master()) {
221 for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
222 matrix_row = matrix_get_row(r);
223 matrix_change = matrix_row ^ matrix_prev[r];
225 #ifdef MATRIX_HAS_GHOST
226 if (has_ghost_in_row(r, matrix_row)) {
227 /* Keep track of whether ghosted status has changed for
228 * debugging. But don't update matrix_prev until un-ghosted, or
229 * the last key would be lost.
231 //if (debug_matrix && matrix_ghost[r] != matrix_row) {
234 //matrix_ghost[r] = matrix_row;
237 //matrix_ghost[r] = matrix_row;
239 if (debug_matrix) matrix_print();
240 for (uint8_t c = 0; c < MATRIX_COLS; c++) {
241 if (matrix_change & ((matrix_row_t)1<<c)) {
242 action_exec((keyevent_t){
243 .key = (keypos_t){ .row = r, .col = c },
244 .pressed = (matrix_row & ((matrix_row_t)1<<c)),
245 .time = (timer_read() | 1) /* time should not be 0 */
247 // record a processed key
248 matrix_prev[r] ^= ((matrix_row_t)1<<c);
249 #ifdef QMK_KEYS_PER_SCAN
250 // only jump out if we have processed "enough" keys.
251 if (++keys_processed >= QMK_KEYS_PER_SCAN)
253 // process a key per task call
254 goto MATRIX_LOOP_END;
260 // call with pseudo tick event when no real key event.
261 #ifdef QMK_KEYS_PER_SCAN
262 // we can get here with some keys processed now.
269 #ifdef MOUSEKEY_ENABLE
270 // mousekey repeat & acceleration
274 #ifdef PS2_MOUSE_ENABLE
278 #ifdef SERIAL_MOUSE_ENABLE
282 #ifdef ADB_MOUSE_ENABLE
286 #ifdef SERIAL_LINK_ENABLE
287 serial_link_update();
290 #ifdef VISUALIZER_ENABLE
291 visualizer_update(default_layer_state, layer_state, visualizer_get_mods(), host_keyboard_leds());
294 #ifdef POINTING_DEVICE_ENABLE
295 pointing_device_task();
303 if (led_status != host_keyboard_leds()) {
304 led_status = host_keyboard_leds();
305 keyboard_set_leds(led_status);
309 /** \brief keyboard set leds
313 void keyboard_set_leds(uint8_t leds)
315 if (debug_keyboard) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); }