240 lines
6.6 KiB
C
240 lines
6.6 KiB
C
/*
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Copyright 2011, 2012, 2013 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include "keyboard.h"
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#include "matrix.h"
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#include "keymap.h"
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#include "host.h"
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#include "led.h"
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#include "keycode.h"
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#include "timer.h"
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#include "print.h"
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#include "debug.h"
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#include "command.h"
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#include "util.h"
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#include "sendchar.h"
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#include "eeconfig.h"
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#include "backlight.h"
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#include "action_layer.h"
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#ifdef BOOTMAGIC_ENABLE
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# include "bootmagic.h"
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#else
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# include "magic.h"
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#endif
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#ifdef MOUSEKEY_ENABLE
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# include "mousekey.h"
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#endif
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#ifdef PS2_MOUSE_ENABLE
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# include "ps2_mouse.h"
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#endif
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#ifdef SERIAL_MOUSE_ENABLE
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# include "serial_mouse.h"
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#endif
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#ifdef ADB_MOUSE_ENABLE
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# include "adb.h"
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#endif
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#ifdef RGBLIGHT_ENABLE
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# include "rgblight.h"
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#endif
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#ifdef FAUXCLICKY_ENABLE
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# include "fauxclicky.h"
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#endif
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#ifdef SERIAL_LINK_ENABLE
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# include "serial_link/system/serial_link.h"
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#endif
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#ifdef VISUALIZER_ENABLE
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# include "visualizer/visualizer.h"
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#endif
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#ifdef MATRIX_HAS_GHOST
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extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
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static matrix_row_t get_real_keys(uint8_t row, matrix_row_t rowdata){
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matrix_row_t out = 0;
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for (uint8_t col = 0; col < MATRIX_COLS; col++) {
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//read each key in the row data and check if the keymap defines it as a real key
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if (pgm_read_byte(&keymaps[0][row][col]) && (rowdata & (1<<col))){
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//this creates new row data, if a key is defined in the keymap, it will be set here
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out |= 1<<col;
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}
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}
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return out;
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}
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static inline bool popcount_more_than_one(matrix_row_t rowdata)
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{
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rowdata &= rowdata-1; //if there are less than two bits (keys) set, rowdata will become zero
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return rowdata;
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}
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static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata)
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{
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/* No ghost exists when less than 2 keys are down on the row.
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If there are "active" blanks in the matrix, the key can't be pressed by the user,
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there is no doubt as to which keys are really being pressed.
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The ghosts will be ignored, they are KC_NO. */
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rowdata = get_real_keys(row, rowdata);
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if ((popcount_more_than_one(rowdata)) == 0){
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return false;
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}
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/* Ghost occurs when the row shares a column line with other row,
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and two columns are read on each row. Blanks in the matrix don't matter,
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so they are filtered out.
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If there are two or more real keys pressed and they match columns with
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at least two of another row's real keys, the row will be ignored. Keep in mind,
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we are checking one row at a time, not all of them at once.
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*/
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for (uint8_t i=0; i < MATRIX_ROWS; i++) {
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if (i != row && popcount_more_than_one(get_real_keys(i, matrix_get_row(i)) & rowdata)){
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return true;
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}
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}
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return false;
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}
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#endif
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__attribute__ ((weak))
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void matrix_setup(void) {
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}
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void keyboard_setup(void) {
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matrix_setup();
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}
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void keyboard_init(void) {
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timer_init();
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matrix_init();
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#ifdef PS2_MOUSE_ENABLE
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ps2_mouse_init();
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#endif
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#ifdef SERIAL_MOUSE_ENABLE
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serial_mouse_init();
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#endif
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#ifdef ADB_MOUSE_ENABLE
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adb_mouse_init();
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#endif
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#ifdef BOOTMAGIC_ENABLE
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bootmagic();
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#else
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magic();
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#endif
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#ifdef BACKLIGHT_ENABLE
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backlight_init();
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#endif
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#ifdef RGBLIGHT_ENABLE
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rgblight_init();
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#endif
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#ifdef FAUXCLICKY_ENABLE
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fauxclicky_init();
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#endif
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#if defined(NKRO_ENABLE) && defined(FORCE_NKRO)
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keymap_config.nkro = 1;
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#endif
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}
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/*
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* Do keyboard routine jobs: scan mantrix, light LEDs, ...
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* This is repeatedly called as fast as possible.
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*/
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void keyboard_task(void)
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{
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static matrix_row_t matrix_prev[MATRIX_ROWS];
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#ifdef MATRIX_HAS_GHOST
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// static matrix_row_t matrix_ghost[MATRIX_ROWS];
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#endif
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static uint8_t led_status = 0;
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matrix_row_t matrix_row = 0;
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matrix_row_t matrix_change = 0;
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matrix_scan();
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for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
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matrix_row = matrix_get_row(r);
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matrix_change = matrix_row ^ matrix_prev[r];
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if (matrix_change) {
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#ifdef MATRIX_HAS_GHOST
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if (has_ghost_in_row(r, matrix_row)) {
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/* Keep track of whether ghosted status has changed for
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* debugging. But don't update matrix_prev until un-ghosted, or
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* the last key would be lost.
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*/
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//if (debug_matrix && matrix_ghost[r] != matrix_row) {
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// matrix_print();
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//}
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//matrix_ghost[r] = matrix_row;
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continue;
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}
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//matrix_ghost[r] = matrix_row;
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#endif
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if (debug_matrix) matrix_print();
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for (uint8_t c = 0; c < MATRIX_COLS; c++) {
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if (matrix_change & ((matrix_row_t)1<<c)) {
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action_exec((keyevent_t){
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.key = (keypos_t){ .row = r, .col = c },
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.pressed = (matrix_row & ((matrix_row_t)1<<c)),
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.time = (timer_read() | 1) /* time should not be 0 */
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});
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// record a processed key
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matrix_prev[r] ^= ((matrix_row_t)1<<c);
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// process a key per task call
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goto MATRIX_LOOP_END;
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}
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}
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}
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}
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// call with pseudo tick event when no real key event.
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action_exec(TICK);
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MATRIX_LOOP_END:
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#ifdef MOUSEKEY_ENABLE
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// mousekey repeat & acceleration
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mousekey_task();
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#endif
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#ifdef PS2_MOUSE_ENABLE
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ps2_mouse_task();
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#endif
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#ifdef SERIAL_MOUSE_ENABLE
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serial_mouse_task();
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#endif
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#ifdef ADB_MOUSE_ENABLE
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adb_mouse_task();
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#endif
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#ifdef SERIAL_LINK_ENABLE
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serial_link_update();
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#endif
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#ifdef VISUALIZER_ENABLE
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visualizer_update(default_layer_state, layer_state, visualizer_get_mods(), host_keyboard_leds());
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#endif
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// update LED
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if (led_status != host_keyboard_leds()) {
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led_status = host_keyboard_leds();
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keyboard_set_leds(led_status);
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}
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}
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void keyboard_set_leds(uint8_t leds)
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{
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if (debug_keyboard) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); }
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led_set(leds);
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}
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