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https://github.com/qmk/qmk_firmware.git
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f30f12ec81
This protocol breaks out "duplicate" keys into their own entry in the packet so that more complicated logic can be done on the software side, including support for additional languages and alternative theories.
247 lines
6.7 KiB
C
247 lines
6.7 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 STENO_ENABLE
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# include "process_steno.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 STENO_ENABLE
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steno_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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