- /*
- 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 "bootmagic.h"
- #include "eeconfig.h"
- #include "backlight.h"
- #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 has_ghost_in_row(uint8_t row)
- {
- matrix_row_t matrix_row = matrix_get_row(row);
- // No ghost exists when less than 2 keys are down on the row
- if (((matrix_row - 1) & matrix_row) == 0)
- return false;
-
- // Ghost occurs when the row shares column line with other row
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- if (i != row && (matrix_get_row(i) & matrix_row))
- return true;
- }
- return false;
- }
- #endif
-
-
- 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();
- #endif
-
- #ifdef BACKLIGHT_ENABLE
- backlight_init();
- #endif
- }
-
- /*
- * Do keyboard routine jobs: scan mantrix, light LEDs, ...
- * This is repeatedly called as fast as possible.
- */
- void keyboard_task(void)
- {
- static matrix_row_t matrix_prev[MATRIX_ROWS];
- #ifdef MATRIX_HAS_GHOST
- static matrix_row_t matrix_ghost[MATRIX_ROWS];
- #endif
- static uint8_t led_status = 0;
- matrix_row_t matrix_row = 0;
- matrix_row_t matrix_change = 0;
-
- matrix_scan();
- for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
- matrix_row = matrix_get_row(r);
- matrix_change = matrix_row ^ matrix_prev[r];
- if (matrix_change) {
- #ifdef MATRIX_HAS_GHOST
- if (has_ghost_in_row(r)) {
- /* Keep track of whether ghosted status has changed for
- * debugging. But don't update matrix_prev until un-ghosted, or
- * the last key would be lost.
- */
- if (debug_matrix && matrix_ghost[r] != matrix_row) {
- matrix_print();
- }
- matrix_ghost[r] = matrix_row;
- continue;
- }
- matrix_ghost[r] = matrix_row;
- #endif
- if (debug_matrix) matrix_print();
- for (uint8_t c = 0; c < MATRIX_COLS; c++) {
- if (matrix_change & ((matrix_row_t)1<<c)) {
- action_exec((keyevent_t){
- .key = (keypos_t){ .row = r, .col = c },
- .pressed = (matrix_row & ((matrix_row_t)1<<c)),
- .time = (timer_read() | 1) /* time should not be 0 */
- });
- // record a processed key
- matrix_prev[r] ^= ((matrix_row_t)1<<c);
- // process a key per task call
- goto MATRIX_LOOP_END;
- }
- }
- }
- }
- // call with pseudo tick event when no real key event.
- action_exec(TICK);
-
- MATRIX_LOOP_END:
-
- #ifdef MOUSEKEY_ENABLE
- // mousekey repeat & acceleration
- 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
-
- // update LED
- 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) { debug("keyboard_set_led: "); debug_hex8(leds); debug("\n"); }
- led_set(leds);
- }
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