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- /*
- Copyright 2011, 2012, 2013 Jun Wako <[email protected]>
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- #include <stdint.h>
- #include "keyboard.h"
- #include "matrix.h"
- #include "keymap.h"
- #include "host.h"
- #include "led.h"
- #include "keycode.h"
- #include "timer.h"
- #include "print.h"
- #include "debug.h"
- #include "command.h"
- #include "util.h"
- #include "sendchar.h"
- #include "eeconfig.h"
- #include "backlight.h"
- #ifdef BOOTMAGIC_ENABLE
- # include "bootmagic.h"
- #else
- # include "magic.h"
- #endif
- #ifdef MOUSEKEY_ENABLE
- # include "mousekey.h"
- #endif
- #ifdef PS2_MOUSE_ENABLE
- # include "ps2_mouse.h"
- #endif
- #ifdef SERIAL_MOUSE_ENABLE
- # include "serial_mouse.h"
- #endif
- #ifdef ADB_MOUSE_ENABLE
- # include "adb.h"
- #endif
-
- #ifdef MATRIX_HAS_GHOST
- static bool is_row_ghosting(uint8_t row){
- matrix_row_t state = matrix_get_row(row);
- /* no ghosting happens when only one key in the row is pressed */
- if (!(state - 1 & state)) return false;
- /* ghosting occurs when two keys in the same column are pressed */
- for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
- if (r != row && matrix_get_row(r) & state) return true;
- }
- return false;
- }
-
- #endif
-
- __attribute__ ((weak))
- void matrix_setup(void) {
- }
-
- void keyboard_setup(void) {
- matrix_setup();
- }
-
- void keyboard_init(void) {
- timer_init();
- matrix_init();
- #ifdef PS2_MOUSE_ENABLE
- ps2_mouse_init();
- #endif
- #ifdef SERIAL_MOUSE_ENABLE
- serial_mouse_init();
- #endif
- #ifdef ADB_MOUSE_ENABLE
- adb_mouse_init();
- #endif
- #ifdef BOOTMAGIC_ENABLE
- bootmagic();
- #else
- magic();
- #endif
- #ifdef BACKLIGHT_ENABLE
- backlight_init();
- #endif
- #if defined(NKRO_ENABLE) && defined(FORCE_NKRO)
- keyboard_nkro = true;
- #endif
- }
-
- /* does routine keyboard jobs */
- void keyboard_task(void) {
- static uint8_t led_status;
- matrix_scan();
- for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
- static matrix_row_t previous_matrix[MATRIX_ROWS];
- matrix_row_t state = matrix_get_row(r);
- matrix_row_t changes = state ^ previous_matrix[r];
- if (changes) {
- #ifdef MATRIX_HAS_GHOST
- static matrix_row_t deghosting_matrix[MATRIX_ROWS];
- if (is_row_ghosting(r)) {
- /* debugs the deghosting mechanism */
- /* doesn't update previous_matrix until the ghosting has stopped
- * in order to prevent the last key from being lost
- */
- if (debug_matrix && deghosting_matrix[r] != state) {
- matrix_print();
- }
- deghosting_matrix[r] = state;
- continue;
- }
- deghosting_matrix[r] = state;
- #endif
- if (debug_matrix) matrix_print();
- for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
- matrix_row_t mask = (matrix_row_t)1 << c;
- if (changes & mask) {
- keyevent_t event;
- event.key = (keypos_t){ .row = r, .col = c };
- event.pressed = state & mask;
- /* the time should not be 0 */
- event.time = timer_read() | 1;
- action_exec(event);
- /* records the processed key event */
- previous_matrix[r] ^= mask;
- /* processes one key event per call */
- goto event_processed;
- }
- }
- }
- }
- /* sends tick events when the keyboard is idle */
- action_exec(TICK);
- event_processed:
- #ifdef MOUSEKEY_ENABLE
- /* repeats and accelerates the mouse keys */
- mousekey_task();
- #endif
- #ifdef PS2_MOUSE_ENABLE
- ps2_mouse_task();
- #endif
- #ifdef SERIAL_MOUSE_ENABLE
- serial_mouse_task();
- #endif
- #ifdef ADB_MOUSE_ENABLE
- adb_mouse_task();
- #endif
- /* updates the LEDs */
- if (led_status != host_keyboard_leds()) {
- led_status = host_keyboard_leds();
- keyboard_set_leds(led_status);
- }
- }
-
- void keyboard_set_leds(uint8_t leds) {
- if (debug_keyboard) dprintf("Keyboard LEDs state: %x\n", leds);
- led_set(leds);
- }
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