common/keyboard.c

   1 /*
   2 Copyright 2011,2012 Jun Wako <wakojun@gmail.com>
   3
   4 This program is free software: you can redistribute it and/or modify
   5 it under the terms of the GNU General Public License as published by
   6 the Free Software Foundation, either version 2 of the License, or
   7 (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 */
  17 #include "keyboard.h"
  18 #include "matrix.h"
  19 #include "keymap.h"
  20 #include "host.h"
  21 #include "led.h"
  22 #include "keycode.h"
  23 #include "timer.h"
  24 #include "print.h"
  25 #include "debug.h"
  26 #include "command.h"
  27 #include "util.h"
  28 #include "sendchar.h"
  29 #ifdef MOUSEKEY_ENABLE
  30 #include "mousekey.h"
  31 #endif
  32
  33
  34 void keyboard_init(void)
  35 {
  36     // TODO: to enable debug print magic key bind on boot time
  37
  38     // TODO: configuration of sendchar impl
  39     print_sendchar_func = sendchar;
  40
  41     timer_init();
  42     matrix_init();
  43
  44     /* boot magic keys goes here */
  45     matrix_scan();
  46 #ifdef IS_BOOTMAGIC_BOOTLOADER
  47     /* kick up bootloader */
  48     if (IS_BOOTMAGIC_BOOTLOADER()) bootloader_jump();
  49 #endif
  50 #ifdef IS_BOOTMAGIC_DEBUG
  51     if (IS_BOOTMAGIC_DEBUG()) debug_enable = true;
  52 #endif
  53
  54 #ifdef PS2_MOUSE_ENABLE
  55     ps2_mouse_init();
  56 #endif
  57 }
  58
  59 /*
  60  * Do keyboard routine jobs: scan mantrix, light LEDs, ...
  61  * This is repeatedly called as fast as possible.
  62  */
  63 void keyboard_task(void)
  64 {
  65     static matrix_row_t matrix_prev[MATRIX_ROWS];
  66     static uint8_t led_status = 0;
  67     matrix_row_t matrix_row = 0;
  68     matrix_row_t matrix_change = 0;
  69
  70     matrix_scan();
  71     for (int r = 0; r < MATRIX_ROWS; r++) {
  72         matrix_row = matrix_get_row(r);
  73         matrix_change = matrix_row ^ matrix_prev[r];
  74         if (matrix_change) {
  75             if (debug_matrix) matrix_print();
  76
  77             for (int c = 0; c < MATRIX_COLS; c++) {
  78                 if (matrix_change & (1<<c)) {
  79                     action_exec((keyevent_t){
  80                         .key.pos  = (keypos_t){ .row = r, .col = c },
  81                         .pressed = (matrix_row & (1<<c)),
  82                         .time = (timer_read() | 1) /* NOTE: 0 means no event */
  83                     });
  84                     // record a processed key
  85                     matrix_prev[r] ^= (1<<c);
  86                     // process a key per task call
  87                     goto MATRIX_LOOP_END;
  88                 }
  89             }
  90         }
  91     }
  92     // call to update delaying layer when no real event
  93     action_exec((keyevent_t) {
  94         .key.pos = (keypos_t){ .row = 255, .col = 255 }, // assume this key doesn't exist
  95         .pressed = false,
  96         .time = 0,
  97     });
  98
  99 MATRIX_LOOP_END:
 100
 101 #ifdef MOUSEKEY_ENABLE
 102     // mousekey repeat & acceleration
 103     mousekey_task();
 104 #endif
 105
 106     // update LED
 107     if (led_status != host_keyboard_leds()) {
 108         led_status = host_keyboard_leds();
 109         keyboard_set_leds(led_status);
 110     }
 111
 112     return;
 113 }
 114
 115 void keyboard_set_leds(uint8_t leds)
 116 {
 117     led_set(leds);
 118 }