166 lines
4.5 KiB
C
166 lines
4.5 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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#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 MATRIX_HAS_GHOST
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static bool is_row_ghosting(uint8_t row){
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matrix_row_t state = matrix_get_row(row);
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/* no ghosting happens when only one key in the row is pressed */
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if (!(state - 1 & state)) return false;
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/* ghosting occurs when two keys in the same column are pressed */
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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if (r != row && matrix_get_row(r) & state) return true;
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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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#if defined(NKRO_ENABLE) && defined(FORCE_NKRO)
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keyboard_nkro = true;
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#endif
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}
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/* does routine keyboard jobs */
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void keyboard_task(void) {
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static uint8_t led_status;
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matrix_scan();
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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static matrix_row_t previous_matrix[MATRIX_ROWS];
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matrix_row_t state = matrix_get_row(r);
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matrix_row_t changes = state ^ previous_matrix[r];
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if (changes) {
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#ifdef MATRIX_HAS_GHOST
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static matrix_row_t deghosting_matrix[MATRIX_ROWS];
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if (is_row_ghosting(r)) {
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/* debugs the deghosting mechanism */
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/* doesn't update previous_matrix until the ghosting has stopped
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* in order to prevent the last key from being lost
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*/
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if (debug_matrix && deghosting_matrix[r] != state) {
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matrix_print();
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}
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deghosting_matrix[r] = state;
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continue;
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}
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deghosting_matrix[r] = state;
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#endif
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if (debug_matrix) matrix_print();
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for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
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matrix_row_t mask = (matrix_row_t)1 << c;
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if (changes & mask) {
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keyevent_t event;
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event.key = (keypos_t){ .row = r, .col = c };
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event.pressed = state & mask;
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/* the time should not be 0 */
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event.time = timer_read() | 1;
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action_exec(event);
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/* records the processed key event */
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previous_matrix[r] ^= mask;
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/* processes one key event per call */
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goto event_processed;
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}
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}
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}
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}
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/* sends tick events when the keyboard is idle */
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action_exec(TICK);
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event_processed:
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#ifdef MOUSEKEY_ENABLE
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/* repeats and accelerates the mouse keys */
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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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/* updates the LEDs */
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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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if (debug_keyboard) dprintf("Keyboard LEDs state: %x\n", leds);
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led_set(leds);
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}
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