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  1. /*
  2.  * Copyright (c) 2009 Jiri Svoboda
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup kbd_ctl
  30.  * @ingroup kbd
  31.  * @{
  32.  */
  33. /**
  34.  * @file
  35.  * @brief   PC keyboard controller driver.
  36.  */
  37.  
  38. #include <kbd.h>
  39. #include <kbd/kbd.h>
  40. #include <kbd/keycode.h>
  41. #include <kbd_ctl.h>
  42.  
  43. static int scanmap_simple[];
  44.  
  45. void kbd_ctl_parse_scancode(int scancode)
  46. {
  47.     kbd_ev_type_t type;
  48.     unsigned int key;
  49.  
  50.     if (scancode < 0 || scancode >= 0x100)
  51.         return;
  52.  
  53.     if (scancode & 0x80) {
  54.         scancode &= ~0x80;
  55.         type = KE_RELEASE;
  56.     } else {
  57.         type = KE_PRESS;
  58.     }
  59.  
  60.     key = scanmap_simple[scancode];
  61.     if (key != 0)
  62.         kbd_push_ev(type, key);
  63. }
  64.  
  65. static int scanmap_simple[128] = {
  66.  
  67.     [0x29] = KC_BACKTICK,
  68.  
  69.     [0x02] = KC_1,
  70.     [0x03] = KC_2,
  71.     [0x04] = KC_3,
  72.     [0x05] = KC_4,
  73.     [0x06] = KC_5,
  74.     [0x07] = KC_6,
  75.     [0x08] = KC_7,
  76.     [0x09] = KC_8,
  77.     [0x0a] = KC_9,
  78.     [0x0b] = KC_0,
  79.  
  80.     [0x0c] = KC_MINUS,
  81.     [0x0d] = KC_EQUALS,
  82.     [0x0e] = KC_BACKSPACE,
  83.  
  84.     [0x0f] = KC_TAB,
  85.  
  86.     [0x10] = KC_Q,
  87.     [0x11] = KC_W,
  88.     [0x12] = KC_E,
  89.     [0x13] = KC_R,
  90.     [0x14] = KC_T,
  91.     [0x15] = KC_Y,
  92.     [0x16] = KC_U,
  93.     [0x17] = KC_I,
  94.     [0x18] = KC_O,
  95.     [0x19] = KC_P,
  96.  
  97.     [0x1a] = KC_LBRACKET,
  98.     [0x1b] = KC_RBRACKET,
  99.  
  100.     [0x3a] = KC_CAPS_LOCK,
  101.  
  102.     [0x1e] = KC_A,
  103.     [0x1f] = KC_S,
  104.     [0x20] = KC_D,
  105.     [0x21] = KC_F,
  106.     [0x22] = KC_G,
  107.     [0x23] = KC_H,
  108.     [0x24] = KC_J,
  109.     [0x25] = KC_K,
  110.     [0x26] = KC_L,
  111.  
  112.     [0x27] = KC_SEMICOLON,
  113.     [0x28] = KC_QUOTE,
  114.     [0x2b] = KC_BACKSLASH,
  115.  
  116.     [0x2a] = KC_LSHIFT,
  117.  
  118.     [0x2c] = KC_Z,
  119.     [0x2d] = KC_X,
  120.     [0x2e] = KC_C,
  121.     [0x2f] = KC_V,
  122.     [0x30] = KC_B,
  123.     [0x31] = KC_N,
  124.     [0x32] = KC_M,
  125.  
  126.     [0x33] = KC_COMMA,
  127.     [0x34] = KC_PERIOD,
  128.     [0x35] = KC_SLASH,
  129.  
  130.     [0x36] = KC_RSHIFT,
  131.  
  132.     [0x1d] = KC_LCTRL,
  133.     [0x38] = KC_LALT,
  134.     [0x39] = KC_SPACE,
  135.  
  136.     [0x01] = KC_ESCAPE,
  137.  
  138.     [0x3b] = KC_F1,
  139.     [0x3c] = KC_F2,
  140.     [0x3d] = KC_F3,
  141.     [0x3e] = KC_F4,
  142.     [0x3f] = KC_F5,
  143.     [0x40] = KC_F6,
  144.     [0x41] = KC_F7,
  145.  
  146.     [0x42] = KC_F8,
  147.     [0x43] = KC_F9,
  148.     [0x44] = KC_F10,
  149.  
  150.     [0x57] = KC_F11,
  151.     [0x58] = KC_F12,
  152.  
  153.     [0x1c] = KC_ENTER
  154.  
  155. /*
  156.     [0x1] = KC_PRNSCR,
  157.     [0x1] = KC_SCROLL_LOCK,
  158.     [0x1] = KC_PAUSE,
  159. */
  160. };
  161.  
  162. /**
  163.  * @}
  164.  */
  165.