source: mainline/uspace/drv/usbkbd/conv.c@ 1c13dac

/*
 * Copyright (c) 2011 Lubos Slovak
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup drvusbhid
 * @{
 */
/** @file
 * USB scancode parser.
 */

#include <io/keycode.h>
#include <stdint.h>
#include "conv.h"

static int scanmap_simple[255] = {

//      [0x29] = KC_BACKTICK,

//      [0x02] = KC_1,
//      [0x03] = KC_2,
        [0x04] = KC_A,
        [0x05] = KC_B,
        [0x06] = KC_C,
        [0x07] = KC_D,
        [0x08] = KC_E,
        [0x09] = KC_F,
        [0x0a] = KC_G,
        [0x0b] = KC_H,
        [0x0c] = KC_I,
        [0x0d] = KC_J,
        [0x0e] = KC_K,
        [0x0f] = KC_L,
        [0x10] = KC_M,
        [0x11] = KC_N,
        [0x12] = KC_O,
        [0x13] = KC_P,
        [0x14] = KC_Q,
        [0x15] = KC_R,
        [0x16] = KC_S,
        [0x17] = KC_T,
        [0x18] = KC_U,
        [0x19] = KC_V,
        [0x1a] = KC_W,
        [0x1b] = KC_X,
        [0x1c] = KC_Y,
        [0x1d] = KC_Z,

        [0x1e] = KC_1,
        [0x1f] = KC_2,
        [0x20] = KC_3,
        [0x21] = KC_4,
        [0x22] = KC_5,
        [0x23] = KC_6,
        [0x24] = KC_7,
        [0x25] = KC_8,
        [0x26] = KC_9,
        [0x27] = KC_0,
        
        [0x28] = KC_ENTER,
        [0x29] = KC_ESCAPE,
        [0x2a] = KC_BACKSPACE,
        [0x2b] = KC_TAB,
        [0x2c] = KC_SPACE,

        [0x2d] = KC_MINUS,  // same as DASH? (- or _)
        [0x2e] = KC_EQUALS,
        [0x2f] = KC_LBRACKET,
        [0x30] = KC_RBRACKET,
        [0x31] = KC_BACKSLASH,
        //[0x32] = KC_, // TODO: HASH??? maybe some as 0x31 - backslash
        [0x33] = KC_SEMICOLON,
        [0x34] = KC_QUOTE,  // same as APOSTROPHE? (')
        [0x35] = KC_BACKTICK,  // same as GRAVE ACCENT?? (`)
        [0x36] = KC_COMMA,
        [0x37] = KC_PERIOD,
        [0x38] = KC_SLASH,

        [0x39] = KC_CAPS_LOCK,
        
        [0x3a] = KC_F1,
        [0x3b] = KC_F2,
        [0x3c] = KC_F3,
        [0x3d] = KC_F4,
        [0x3e] = KC_F5,
        [0x3f] = KC_F6,
        [0x40] = KC_F7,
        [0x41] = KC_F8,
        [0x42] = KC_F9,
        [0x43] = KC_F10,
        [0x44] = KC_F11,
        [0x45] = KC_F12,
        
        [0x46] = KC_PRTSCR,
        [0x47] = KC_SCROLL_LOCK,
        [0x48] = KC_PAUSE,
        [0x49] = KC_INSERT,
        [0x4a] = KC_HOME,
        [0x4b] = KC_PAGE_UP,
        [0x4c] = KC_DELETE,
        [0x4d] = KC_END,
        [0x4e] = KC_PAGE_DOWN,
        [0x4f] = KC_RIGHT,
        [0x50] = KC_LEFT,
        [0x51] = KC_DOWN,
        [0x52] = KC_UP,
        
        //[0x64] = // some funny key
        
        [0xe0] = KC_LCTRL,
        [0xe1] = KC_LSHIFT,
        [0xe2] = KC_LALT,
        //[0xe3] = KC_L // TODO: left GUI
        [0xe4] = KC_RCTRL,
        [0xe5] = KC_RSHIFT,
        [0xe6] = KC_RALT,
        //[0xe7] = KC_R // TODO: right GUI
        
};

unsigned int usbkbd_parse_scancode(int scancode)
{
//      console_ev_type_t type;
        unsigned int key;
        int *map = scanmap_simple;
        size_t map_length = sizeof(scanmap_simple) / sizeof(int);

        /*
         * ACK/NAK are returned as response to us sending a command.
         * We are not interested in them.
         */
//      if (scancode == SC_ACK || scancode == SC_NAK)
//              return;

//      if (scancode == 0xe0) {
//              ds = ds_e;
//              return;
//      }

//      switch (ds) {
//      case ds_s:
//              map = scanmap_simple;
//              map_length = sizeof(scanmap_simple) / sizeof(int);
//              break;
//      case ds_e:
//              map = scanmap_e0;
//              map_length = sizeof(scanmap_e0) / sizeof(int);
//              break;
//      default:
//              map = NULL;
//              map_length = 0;
//      }

//      ds = ds_s;

//      if (scancode & 0x80) {
//              scancode &= ~0x80;
//              type = KEY_RELEASE;
//      } else {
//              type = KEY_PRESS;
//      }

        if ((scancode < 0) || ((size_t) scancode >= map_length))
                return -1;

        key = map[scancode];
//      if (key != 0)
//              kbd_push_ev(type, key);
        return key;
}

/**
 * @}
 */