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mirror of https://github.com/raphnet/gc_n64_usb-v3 synced 2024-12-21 23:08:53 -05:00
gc_n64_usb-v3/gc_kb.c
2018-11-06 10:38:39 -05:00

94 lines
3.1 KiB
C

/* gc_n64_usb : Gamecube or N64 controller to USB firmware
Copyright (C) 2007-2013 Raphael Assenat <raph@raphnet.net>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <avr/pgmspace.h>
#include "gc_kb.h"
#include "hid_keycodes.h"
#include "gcn64_protocol.h"
// http://www2d.biglobe.ne.jp/~msyk/keyboard/layout/usbkeycode.html
static const unsigned char gc_to_hid_table[] PROGMEM = {
GC_KEY_RESERVED, HID_KB_NOEVENT,
GC_KEY_HOME, HID_KB_HOME,
GC_KEY_END, HID_KB_END,
GC_KEY_PGUP, HID_KB_PGUP,
GC_KEY_PGDN, HID_KB_PGDN,
GC_KEY_SCROLL_LOCK, HID_KB_SCROLL_LOCK,
GC_KEY_DASH_UNDERSCORE, HID_KB_DASH_UNDERSCORE,
GC_KEY_PLUS_EQUAL, HID_KB_EQUAL_PLUS,
GC_KEY_YEN, HID_KB_INTERNATIONAL3,
GC_KEY_OPEN_BRKT_BRACE, HID_KB_OPEN_BRKT_BRACE,
GC_KEY_SEMI_COLON_COLON,HID_KB_SEMI_COLON_COLON,
GC_KEY_QUOTES, HID_KB_QUOTES,
GC_KEY_CLOSE_BRKT_BRACE,HID_KB_CLOSE_BRKT_BRACE,
GC_KEY_BRACKET_MU, HID_KB_NONUS_HASH_TILDE,
GC_KEY_COMMA_ST, HID_KB_COMMA_SMALLER_THAN,
GC_KEY_PERIOD_GT, HID_KB_PERIOD_GREATER_THAN,
GC_KEY_SLASH_QUESTION, HID_KB_SLASH_QUESTION,
GC_KEY_INTERNATIONAL1, HID_KB_INTERNATIONAL1,
GC_KEY_ESC, HID_KB_ESCAPE,
GC_KEY_INSERT, HID_KB_INSERT,
GC_KEY_DELETE, HID_KB_DELETE_FORWARD,
GC_KEY_HANKAKU, HID_KB_GRAVE_ACCENT_AND_TILDE,
GC_KEY_BACKSPACE, HID_KB_BACKSPACE,
GC_KEY_TAB, HID_KB_TAB,
GC_KEY_CAPS_LOCK, HID_KB_CAPS_LOCK,
GC_KEY_MUHENKAN, HID_KB_INTERNATIONAL5,
GC_KEY_SPACE, HID_KB_SPACE,
GC_KEY_HENKAN, HID_KB_INTERNATIONAL4,
GC_KEY_KANA, HID_KB_INTERNATIONAL2,
GC_KEY_LEFT, HID_KB_LEFT_ARROW,
GC_KEY_DOWN, HID_KB_DOWN_ARROW,
GC_KEY_UP, HID_KB_UP_ARROW,
GC_KEY_RIGHT, HID_KB_RIGHT_ARROW,
GC_KEY_ENTER, HID_KB_ENTER,
/* "shift" keys */
GC_KEY_LEFT_SHIFT, HID_KB_LEFT_SHIFT,
GC_KEY_RIGHT_SHIFT, HID_KB_RIGHT_SHIFT,
GC_KEY_LEFT_CTRL, HID_KB_LEFT_CONTROL,
/* This keyboard only has a left alt key. But as right alt is required to access some
* functions on japanese keyboards, I map the key to right alt.
*
* eg: RO-MAJI on the hiragana/katakana key */
GC_KEY_LEFT_ALT, HID_KB_RIGHT_ALT,
};
unsigned char gcKeycodeToHID(unsigned char gc_code)
{
int i;
if (gc_code >= GC_KEY_A && gc_code <= GC_KEY_0) {
// Note: This works since A-Z, 1-9, 0 have consecutive keycode values.
return (gc_code - GC_KEY_A) + HID_KB_A;
}
if (gc_code >= GC_KEY_F1 && gc_code <= GC_KEY_F12) {
return (gc_code - GC_KEY_F1) + HID_KB_F1;
}
for (i=0; i<sizeof(gc_to_hid_table); i++) {
if (pgm_read_byte(gc_to_hid_table + i*2) == gc_code) {
return pgm_read_byte(gc_to_hid_table + i*2 + 1);
}
}
return 0x38; // HID /? key for unknown keys
}