| 0,0 → 1,231 |
|---|
| /* |
| * Copyright (c) 2009 Jiri Svoboda |
| * 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 kbd_ctl |
| * @ingroup kbd |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief PC keyboard controller driver. |
| */ |
| |
| #include <kbd.h> |
| #include <kbd/kbd.h> |
| #include <kbd/keycode.h> |
| #include <kbd_ctl.h> |
| #include <gsp.h> |
| |
| enum dec_state { |
| ds_s, |
| ds_e |
| }; |
| |
| static enum dec_state ds; |
| |
| static int scanmap_simple[] = { |
| |
| [0x29] = KC_BACKTICK, |
| |
| [0x02] = KC_1, |
| [0x03] = KC_2, |
| [0x04] = KC_3, |
| [0x05] = KC_4, |
| [0x06] = KC_5, |
| [0x07] = KC_6, |
| [0x08] = KC_7, |
| [0x09] = KC_8, |
| [0x0a] = KC_9, |
| [0x0b] = KC_0, |
| |
| [0x0c] = KC_MINUS, |
| [0x0d] = KC_EQUALS, |
| [0x0e] = KC_BACKSPACE, |
| |
| [0x0f] = KC_TAB, |
| |
| [0x10] = KC_Q, |
| [0x11] = KC_W, |
| [0x12] = KC_E, |
| [0x13] = KC_R, |
| [0x14] = KC_T, |
| [0x15] = KC_Y, |
| [0x16] = KC_U, |
| [0x17] = KC_I, |
| [0x18] = KC_O, |
| [0x19] = KC_P, |
| |
| [0x1a] = KC_LBRACKET, |
| [0x1b] = KC_RBRACKET, |
| |
| [0x3a] = KC_CAPS_LOCK, |
| |
| [0x1e] = KC_A, |
| [0x1f] = KC_S, |
| [0x20] = KC_D, |
| [0x21] = KC_F, |
| [0x22] = KC_G, |
| [0x23] = KC_H, |
| [0x24] = KC_J, |
| [0x25] = KC_K, |
| [0x26] = KC_L, |
| |
| [0x27] = KC_SEMICOLON, |
| [0x28] = KC_QUOTE, |
| [0x2b] = KC_BACKSLASH, |
| |
| [0x2a] = KC_LSHIFT, |
| |
| [0x2c] = KC_Z, |
| [0x2d] = KC_X, |
| [0x2e] = KC_C, |
| [0x2f] = KC_V, |
| [0x30] = KC_B, |
| [0x31] = KC_N, |
| [0x32] = KC_M, |
| |
| [0x33] = KC_COMMA, |
| [0x34] = KC_PERIOD, |
| [0x35] = KC_SLASH, |
| |
| [0x36] = KC_RSHIFT, |
| |
| [0x1d] = KC_LCTRL, |
| [0x38] = KC_LALT, |
| [0x39] = KC_SPACE, |
| |
| [0x01] = KC_ESCAPE, |
| |
| [0x3b] = KC_F1, |
| [0x3c] = KC_F2, |
| [0x3d] = KC_F3, |
| [0x3e] = KC_F4, |
| [0x3f] = KC_F5, |
| [0x40] = KC_F6, |
| [0x41] = KC_F7, |
| |
| [0x42] = KC_F8, |
| [0x43] = KC_F9, |
| [0x44] = KC_F10, |
| |
| [0x57] = KC_F11, |
| [0x58] = KC_F12, |
| |
| [0x46] = KC_SCROLL_LOCK, |
| |
| [0x1c] = KC_ENTER, |
| |
| [0x45] = KC_NUM_LOCK, |
| [0x37] = KC_NTIMES, |
| [0x4a] = KC_NMINUS, |
| [0x4e] = KC_NPLUS, |
| [0x47] = KC_N7, |
| [0x48] = KC_N8, |
| [0x49] = KC_N9, |
| [0x4b] = KC_N4, |
| [0x4c] = KC_N5, |
| [0x4d] = KC_N6, |
| [0x4f] = KC_N1, |
| [0x50] = KC_N2, |
| [0x51] = KC_N3, |
| [0x52] = KC_N0, |
| [0x53] = KC_NPERIOD |
| }; |
| |
| static int scanmap_e0[] = { |
| [0x38] = KC_RALT, |
| [0x1d] = KC_RSHIFT, |
| |
| [0x37] = KC_PRTSCR, |
| |
| [0x52] = KC_INSERT, |
| [0x47] = KC_HOME, |
| [0x49] = KC_PAGE_UP, |
| |
| [0x53] = KC_DELETE, |
| [0x4f] = KC_END, |
| [0x51] = KC_PAGE_DOWN, |
| |
| [0x48] = KC_UP, |
| [0x4b] = KC_LEFT, |
| [0x50] = KC_DOWN, |
| [0x4d] = KC_RIGHT, |
| |
| [0x35] = KC_NSLASH, |
| [0x1c] = KC_NENTER |
| }; |
| |
| int kbd_ctl_init(void) |
| { |
| ds = ds_s; |
| return 0; |
| } |
| |
| void kbd_ctl_parse_scancode(int scancode) |
| { |
| kbd_ev_type_t type; |
| unsigned int key; |
| int *map; |
| size_t map_length; |
| |
| 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; |
| } |
| |
| ds = ds_s; |
| |
| if (scancode & 0x80) { |
| scancode &= ~0x80; |
| type = KE_RELEASE; |
| } else { |
| type = KE_PRESS; |
| } |
| |
| if (scancode < 0 || scancode >= map_length) |
| return; |
| |
| key = map[scancode]; |
| if (key != 0) |
| kbd_push_ev(type, key); |
| } |
| |
| /** |
| * @} |
| */ |