/*
* 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
* @brief GXEmul framebuffer-mode keyboard controller driver.
* @{
*/
#include <kbd.h>
#include <kbd/kbd.h>
#include <kbd/keycode.h>
#include <kbd_ctl.h>
static void parse_ds_start(int scancode);
static void parse_ds_e(int scancode);
static void parse_ds_e1(int scancode);
static void parse_ds_e1a(int scancode);
static void parse_ds_e1b(int scancode);
static void parse_ds_e1c(int scancode);
static void parse_leaf(int scancode, int *map, size_t map_length);
enum dec_state {
ds_start,
ds_e,
ds_e1,
ds_e1a,
ds_e1b,
ds_e1c
};
static int map_start[] = {
[0x60] = KC_BACKTICK,
[0x31] = KC_1,
[0x32] = KC_2,
[0x33] = KC_3,
[0x34] = KC_4,
[0x35] = KC_5,
[0x36] = KC_6,
[0x37] = KC_7,
[0x38] = KC_8,
[0x39] = KC_9,
[0x30] = KC_0,
[0x2d] = KC_MINUS,
[0x3d] = KC_EQUALS,
[0x08] = KC_BACKSPACE,
[0x0f] = KC_TAB,
[0x71] = KC_Q,
[0x77] = KC_W,
[0x65] = KC_E,
[0x72] = KC_R,
[0x74] = KC_T,
[0x79] = KC_Y,
[0x75] = KC_U,
[0x69] = KC_I,
[0x6f] = KC_O,
[0x70] = KC_P,
[0x5b] = KC_LBRACKET,
[0x5d] = KC_RBRACKET,
// [0x3a] = KC_CAPS_LOCK,
[0x61] = KC_A,
[0x73] = KC_S,
[0x64] = KC_D,
[0x66] = KC_F,
[0x67] = KC_G,
[0x68] = KC_H,
[0x6a] = KC_J,
[0x6b] = KC_K,
[0x6c] = KC_L,
[0x3b] = KC_SEMICOLON,
[0x27] = KC_QUOTE,
[0x5c] = KC_BACKSLASH,
// [0x2a] = KC_LSHIFT,
[0x7a] = KC_Z,
[0x78] = KC_X,
[0x63] = KC_C,
[0x76] = KC_V,
[0x62] = KC_B,
[0x6e] = KC_N,
[0x6d] = KC_M,
[0x2c] = KC_COMMA,
[0x2e] = KC_PERIOD,
[0x2f] = KC_SLASH,
// [0x36] = KC_RSHIFT,
// [0x1d] = KC_LCTRL,
// [0x38] = KC_LALT,
[0x20] = KC_SPACE,
[0x1b] = KC_ESCAPE,
[0x0a] = KC_ENTER,
[0x0d] = KC_ENTER
/*
[0x1] = KC_PRNSCR,
[0x1] = KC_SCROLL_LOCK,
[0x1] = KC_PAUSE,
*/
};
static int map_e1[] =
{
};
static int map_e1a[] =
{
[0x50] = KC_F1,
[0x51] = KC_F2,
[0x52] = KC_F3,
[0x53] = KC_F4,
};
static int map_e1b[] =
{
[0x33] = KC_F5,
[0x37] = KC_F6,
[0x38] = KC_F7,
[0x39] = KC_F8,
};
static int map_e1c[] =
{
[0x38] = KC_F9,
[0x39] = KC_F10,
[0x33] = KC_F11,
[0x34] = KC_F12,
};
static enum dec_state ds = ds_start;
void kbd_ctl_parse_scancode(int scancode)
{
switch (ds) {
case ds_start: parse_ds_start(scancode); break;
case ds_e: parse_ds_e(scancode); break;
case ds_e1: parse_ds_e1(scancode); break;
case ds_e1a: parse_ds_e1a(scancode); break;
case ds_e1b: parse_ds_e1b(scancode); break;
case ds_e1c: parse_ds_e1c(scancode); break;
}
}
static void parse_ds_start(int scancode)
{
if (scancode == 0x1b) {
ds = ds_e;
return;
}
parse_leaf(scancode, map_start, sizeof(map_start) / sizeof(int));
}
static void parse_ds_e(int scancode)
{
switch (scancode) {
case 0x5b: ds = ds_e1; return;
case 0x1b: ds = ds_start; break;
default: ds = ds_start; return;
}
kbd_push_ev(KE_PRESS, KC_ESCAPE, 0);
}
static void parse_ds_e1(int scancode)
{
switch (scancode) {
case 0x4f: ds = ds_e1a; return;
case 0x31: ds = ds_e1b; return;
case 0x32: ds = ds_e1c; return;
default: ds = ds_start; break;
}
parse_leaf(scancode, map_e1, sizeof(map_e1) / sizeof(int));
}
static void parse_ds_e1a(int scancode)
{
parse_leaf(scancode, map_e1a, sizeof(map_e1a) / sizeof(int));
}
static void parse_ds_e1b(int scancode)
{
parse_leaf(scancode, map_e1b, sizeof(map_e1b) / sizeof(int));
}
static void parse_ds_e1c(int scancode)
{
parse_leaf(scancode, map_e1c, sizeof(map_e1c) / sizeof(int));
}
static void parse_leaf(int scancode, int *map, size_t map_length)
{
unsigned int key;
ds = ds_start;
if (scancode < 0 || scancode >= map_length)
return;
key = map[scancode];
if (key != 0)
kbd_push_ev(KE_PRESS, key, 0);
}
/**
* @}
*/