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host_teensy_kbd_charmap.h
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host_teensy_kbd_charmap.h
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/*
* This file is part of uLibx.
*
* Copyright (C) 2018 D.Herrendoerfer
*
* uLibx 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.
*
* uLibx 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 uLibx. If not, see <http://www.gnu.org/licenses/>.
*
*/
#define PS2_TAB 9
#define PS2_ENTER 13
#define PS2_LINEFEED 10
#define PS2_BACKSPACE 8
#define PS2_ESC 27
#define PS2_INSERT 128
#define PS2_DELETE 127
#define PS2_HOME 129
#define PS2_END 156
#define PS2_PAGEUP 25
#define PS2_PAGEDOWN 26
#define PS2_UPARROW 11
#define PS2_LEFTARROW 8
#define PS2_DOWNARROW 12
#define PS2_RIGHTARROW 21
#define PS2_F1 130
#define PS2_F2 131
#define PS2_F3 132
#define PS2_F4 133
#define PS2_F5 134
#define PS2_F6 135
#define PS2_F7 136
#define PS2_F8 137
#define PS2_F9 138
#define PS2_F10 139
#define PS2_F11 140
#define PS2_F12 141
#define PS2_SCROLL 142
#define PS2_TAB_SHIFT 9
#define PS2_ENTER_SHIFT 13
#define PS2_BACKSPACE_SHIFT 157
#define PS2_F1_SHIFT 143
#define PS2_F2_SHIFT 144
#define PS2_F3_SHIFT 145
#define PS2_F4_SHIFT 146
#define PS2_F5_SHIFT 147
#define PS2_F6_SHIFT 148
#define PS2_F7_SHIFT 149
#define PS2_F8_SHIFT 150
#define PS2_F9_SHIFT 151
#define PS2_F10_SHIFT 152
#define PS2_F11_SHIFT 153
#define PS2_F12_SHIFT 154
#define PS2_INVERTED_EXCLAMATION 161 // ¡
#define PS2_CENT_SIGN 162 // ¢
#define PS2_POUND_SIGN 163 // £
#define PS2_CURRENCY_SIGN 164 // ¤
#define PS2_YEN_SIGN 165 // ¥
#define PS2_BROKEN_BAR 166 // ¦
#define PS2_SECTION_SIGN 167 // §
#define PS2_DIAERESIS 168 // ¨
#define PS2_COPYRIGHT_SIGN 169 // ©
#define PS2_FEMININE_ORDINAL 170 // ª
#define PS2_LEFT_DOUBLE_ANGLE_QUOTE 171 // «
#define PS2_NOT_SIGN 172 // ¬
#define PS2_HYPHEN 173
#define PS2_REGISTERED_SIGN 174 // ®
#define PS2_MACRON 175 // ¯
#define PS2_DEGREE_SIGN 176 // °
#define PS2_PLUS_MINUS_SIGN 177 // ±
#define PS2_SUPERSCRIPT_TWO 178 // ²
#define PS2_SUPERSCRIPT_THREE 179 // ³
#define PS2_ACUTE_ACCENT 180 // ´
#define PS2_MICRO_SIGN 181 // µ
#define PS2_PILCROW_SIGN 182 // ¶
#define PS2_MIDDLE_DOT 183 // ·
#define PS2_CEDILLA 184 // ¸
#define PS2_SUPERSCRIPT_ONE 185 // ¹
#define PS2_MASCULINE_ORDINAL 186 // º
#define PS2_RIGHT_DOUBLE_ANGLE_QUOTE 187 // »
#define PS2_FRACTION_ONE_QUARTER 188 // ¼
#define PS2_FRACTION_ONE_HALF 189 // ½
#define PS2_FRACTION_THREE_QUARTERS 190 // ¾
#define PS2_INVERTED_QUESTION MARK 191 // ¿
#define PS2_A_GRAVE 192 // À
#define PS2_A_ACUTE 193 // Á
#define PS2_A_CIRCUMFLEX 194 // Â
#define PS2_A_TILDE 195 // Ã
#define PS2_A_DIAERESIS 196 // Ä
#define PS2_A_RING_ABOVE 197 // Å
#define PS2_AE 198 // Æ
#define PS2_C_CEDILLA 199 // Ç
#define PS2_E_GRAVE 200 // È
#define PS2_E_ACUTE 201 // É
#define PS2_E_CIRCUMFLEX 202 // Ê
#define PS2_E_DIAERESIS 203 // Ë
#define PS2_I_GRAVE 204 // Ì
#define PS2_I_ACUTE 205 // Í
#define PS2_I_CIRCUMFLEX 206 // Î
#define PS2_I_DIAERESIS 207 // Ï
#define PS2_ETH 208 // Ð
#define PS2_N_TILDE 209 // Ñ
#define PS2_O_GRAVE 210 // Ò
#define PS2_O_ACUTE 211 // Ó
#define PS2_O_CIRCUMFLEX 212 // Ô
#define PS2_O_TILDE 213 // Õ
#define PS2_O_DIAERESIS 214 // Ö
#define PS2_MULTIPLICATION 215 // ×
#define PS2_O_STROKE 216 // Ø
#define PS2_U_GRAVE 217 // Ù
#define PS2_U_ACUTE 218 // Ú
#define PS2_U_CIRCUMFLEX 219 // Û
#define PS2_U_DIAERESIS 220 // Ü
#define PS2_Y_ACUTE 221 // Ý
#define PS2_THORN 222 // Þ
#define PS2_SHARP_S 223 // ß
#define PS2_a_GRAVE 224 // à
#define PS2_a_ACUTE 225 // á
#define PS2_a_CIRCUMFLEX 226 // â
#define PS2_a_TILDE 227 // ã
#define PS2_a_DIAERESIS 228 // ä
#define PS2_a_RING_ABOVE 229 // å
#define PS2_ae 230 // æ
#define PS2_c_CEDILLA 231 // ç
#define PS2_e_GRAVE 232 // è
#define PS2_e_ACUTE 233 // é
#define PS2_e_CIRCUMFLEX 234 // ê
#define PS2_e_DIAERESIS 235 // ë
#define PS2_i_GRAVE 236 // ì
#define PS2_i_ACUTE 237 // í
#define PS2_i_CIRCUMFLEX 238 // î
#define PS2_i_DIAERESIS 239 // ï
#define PS2_eth 240 // ð
#define PS2_n_TILDE 241 // ñ
#define PS2_o_GRAVE 242 // ò
#define PS2_o_ACUTE 243 // ó
#define PS2_o_CIRCUMFLEX 244 // ô
#define PS2_o_TILDE 245 // õ
#define PS2_o_DIAERESIS 246 // ö
#define PS2_DIVISION 247 // ÷
#define PS2_o_STROKE 248 // ø
#define PS2_u_GRAVE 249 // ù
#define PS2_u_ACUTE 250 // ú
#define PS2_u_CIRCUMFLEX 251 // û
#define PS2_u_DIAERESIS 252 // ü
#define PS2_y_ACUTE 253 // ý
#define PS2_thorn 254 // þ
#define PS2_y_DIAERESIS 255 // ÿ
#define PS2_KEYMAP_SIZE 136
typedef struct {
uint8_t noshift[PS2_KEYMAP_SIZE];
uint8_t shift[PS2_KEYMAP_SIZE];
uint8_t uses_altgr;
uint8_t altgr[PS2_KEYMAP_SIZE];
} uKbdC_PS2Keymap_t;
static const uKbdC_PS2Keymap_t *keymap=NULL;
// Controls for a single scancode
#define SHIFT 0x01
#define ALT 0x02
#define ALTGR 0x04
#define CTRL 0x08
#define WIN 0x10
// Semi-permanent modifiers
#define SHIFTLOCK 0x01
#define NUM 0x02
static uint8_t uKbdC_state_controls = 0;
static uint8_t uKbdC_mod_controls = 0;
static uint8_t uKbdC_do_break = 0;
static uint8_t uKbdC_do_modify = 0;
static uint8_t uKbdC_buffer[16];
static uint8_t uKbdC_ptr_floor = 0;
static uint8_t uKbdC_ptr_ceil = 0;
// These arrays provide a simple key map, to turn scan codes into ISO8859
// output. If a non-US keyboard is used, these may need to be modified
// for the desired output.
//
static const uKbdC_PS2Keymap_t PS2Keymap_US = {
// without shift
{0, PS2_F9, 0, PS2_F5, PS2_F3, PS2_F1, PS2_F2, PS2_F12,
0, PS2_F10, PS2_F8, PS2_F6, PS2_F4, PS2_TAB, '`', 0,
0, 0 /*Lalt*/, 0 /*Lshift*/, 0, 0 /*Lctrl*/, 'q', '1', 0,
0, 0, 'z', 's', 'a', 'w', '2', 0,
0, 'c', 'x', 'd', 'e', '4', '3', 0,
0, ' ', 'v', 'f', 't', 'r', '5', 0,
0, 'n', 'b', 'h', 'g', 'y', '6', 0,
0, 0, 'm', 'j', 'u', '7', '8', 0,
0, ',', 'k', 'i', 'o', '0', '9', 0,
0, '.', '/', 'l', ';', 'p', '-', 0,
0, 0, '\'', 0, '[', '=', 0, 0,
0 /*CapsLock*/, 0 /*Rshift*/, PS2_ENTER /*Enter*/, ']', 0, '\\', 0, 0,
0, 0, 0, 0, 0, 0, PS2_BACKSPACE, 0,
0, '1', 0, '4', '7', 0, 0, 0,
'0', '.', '2', '5', '6', '8', PS2_ESC, 0 /*NumLock*/,
PS2_F11, '+', '3', '-', '*', '9', PS2_SCROLL, 0,
0, 0, 0, PS2_F7 },
// with shift
{0, PS2_F9, 0, PS2_F5, PS2_F3, PS2_F1, PS2_F2, PS2_F12,
0, PS2_F10, PS2_F8, PS2_F6, PS2_F4, PS2_TAB, '~', 0,
0, 0 /*Lalt*/, 0 /*Lshift*/, 0, 0 /*Lctrl*/, 'Q', '!', 0,
0, 0, 'Z', 'S', 'A', 'W', '@', 0,
0, 'C', 'X', 'D', 'E', '$', '#', 0,
0, ' ', 'V', 'F', 'T', 'R', '%', 0,
0, 'N', 'B', 'H', 'G', 'Y', '^', 0,
0, 0, 'M', 'J', 'U', '&', '*', 0,
0, '<', 'K', 'I', 'O', ')', '(', 0,
0, '>', '?', 'L', ':', 'P', '_', 0,
0, 0, '"', 0, '{', '+', 0, 0,
0 /*CapsLock*/, 0 /*Rshift*/, PS2_ENTER /*Enter*/, '}', 0, '|', 0, 0,
0, 0, 0, 0, 0, 0, PS2_BACKSPACE, 0,
0, '1', 0, '4', '7', 0, 0, 0,
'0', '.', '2', '5', '6', '8', PS2_ESC, 0 /*NumLock*/,
PS2_F11, '+', '3', '-', '*', '9', PS2_SCROLL, 0,
0, 0, 0, PS2_F7 },
0
};
static const uKbdC_PS2Keymap_t PS2Keymap_German = {
// without shift
{0, PS2_F9, 0, PS2_F5, PS2_F3, PS2_F1, PS2_F2, PS2_F12,
0, PS2_F10, PS2_F8, PS2_F6, PS2_F4, PS2_TAB, '^', 0,
0, 0 /*Lalt*/, 0 /*Lshift*/, 0, 0 /*Lctrl*/, 'q', '1', 0,
0, 0, 'y', 's', 'a', 'w', '2', 0,
0, 'c', 'x', 'd', 'e', '4', '3', 0,
0, ' ', 'v', 'f', 't', 'r', '5', 0,
0, 'n', 'b', 'h', 'g', 'z', '6', 0,
0, 0, 'm', 'j', 'u', '7', '8', 0,
0, ',', 'k', 'i', 'o', '0', '9', 0,
0, '.', '-', 'l', PS2_o_DIAERESIS, 'p', PS2_SHARP_S, 0,
0, 0, PS2_a_DIAERESIS, 0, PS2_u_DIAERESIS, '\'', 0, 0,
0 /*CapsLock*/, 0 /*Rshift*/, PS2_ENTER /*Enter*/, '+', 0, '#', 0, 0,
0, '<', 0, 0, 0, 0, PS2_BACKSPACE, 0,
0, '1', 0, '4', '7', 0, 0, 0,
'0', '.', '2', '5', '6', '8', PS2_ESC, 0 /*NumLock*/,
PS2_F11, '+', '3', '-', '*', '9', PS2_SCROLL, 0,
0, 0, 0, PS2_F7 },
// with shift
{0, PS2_F9, 0, PS2_F5, PS2_F3, PS2_F1, PS2_F2, PS2_F12,
0, PS2_F10, PS2_F8, PS2_F6, PS2_F4, PS2_TAB, PS2_DEGREE_SIGN, 0,
0, 0 /*Lalt*/, 0 /*Lshift*/, 0, 0 /*Lctrl*/, 'Q', '!', 0,
0, 0, 'Y', 'S', 'A', 'W', '"', 0,
0, 'C', 'X', 'D', 'E', '$', PS2_SECTION_SIGN, 0,
0, ' ', 'V', 'F', 'T', 'R', '%', 0,
0, 'N', 'B', 'H', 'G', 'Z', '&', 0,
0, 0, 'M', 'J', 'U', '/', '(', 0,
0, ';', 'K', 'I', 'O', '=', ')', 0,
0, ':', '_', 'L', PS2_O_DIAERESIS, 'P', '?', 0,
0, 0, PS2_A_DIAERESIS, 0, PS2_U_DIAERESIS, '`', 0, 0,
0 /*CapsLock*/, 0 /*Rshift*/, PS2_ENTER /*Enter*/, '*', 0, '\'', 0, 0,
0, '>', 0, 0, 0, 0, PS2_BACKSPACE, 0,
0, '1', 0, '4', '7', 0, 0, 0,
'0', '.', '2', '5', '6', '8', PS2_ESC, 0 /*NumLock*/,
PS2_F11, '+', '3', '-', '*', '9', PS2_SCROLL, 0,
0, 0, 0, PS2_F7 },
1,
// with altgr
{0, PS2_F9, 0, PS2_F5, PS2_F3, PS2_F1, PS2_F2, PS2_F12,
0, PS2_F10, PS2_F8, PS2_F6, PS2_F4, PS2_TAB, 0, 0,
0, 0 /*Lalt*/, 0 /*Lshift*/, 0, 0 /*Lctrl*/, '@', 0, 0,
0, 0, 0, 0, 0, 0, PS2_SUPERSCRIPT_TWO, 0,
0, 0, 0, 0, PS2_CURRENCY_SIGN, 0, PS2_SUPERSCRIPT_THREE, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, PS2_MICRO_SIGN, 0, 0, '{', '[', 0,
0, 0, 0, 0, 0, '}', ']', 0,
0, 0, 0, 0, 0, 0, '\\', 0,
0, 0, 0, 0, 0, 0, 0, 0,
0 /*CapsLock*/, 0 /*Rshift*/, PS2_ENTER /*Enter*/, '~', 0, '#', 0, 0,
0, '|', 0, 0, 0, 0, PS2_BACKSPACE, 0,
0, '1', 0, '4', '7', 0, 0, 0,
'0', '.', '2', '5', '6', '8', PS2_ESC, 0 /*NumLock*/,
PS2_F11, '+', '3', '-', '*', '9', PS2_SCROLL, 0,
0, 0, 0, PS2_F7 }
};
static inline int8_t uKbdC_num_mod(uint8_t code)
{
switch (code) {
case 0x4A: return('/'); break;
case 0x5A: return(PS2_ENTER); break;
case 0x69: return(PS2_END); break;
case 0x6B: return(PS2_LEFTARROW); break;
case 0x6C: return(PS2_HOME); break;
case 0x70: return(PS2_INSERT); break;
case 0x71: return(PS2_DELETE); break;
case 0x72: return(PS2_DOWNARROW); break;
case 0x74: return(PS2_RIGHTARROW); break;
case 0x75: return(PS2_UPARROW); break;
case 0x7A: return(PS2_PAGEDOWN); break;
case 0x7D: return(PS2_PAGEUP); break;
}
return(0);
}
static inline uint8_t uKbdC_ctrl_mod(uint8_t key)
{
if (key >= 'A' && key <= 'Z')
return(key - 'A' + 1);
else if (key >= 'a' && key <= 'z')
return(key - 'a' + 1);
else if (key == PS2_ENTER)
return(PS2_LINEFEED);
return key;
}
static inline uint8_t uKbdC_state_set(uint8_t code)
{
switch (code) {
case 0x12: uKbdC_state_controls |= SHIFT; return 1; break;
case 0x59: uKbdC_state_controls |= SHIFT; return 1; break;
case 0x11: uKbdC_state_controls |= ALT; return 1; break;
case 0x14: uKbdC_state_controls |= CTRL; return 1; break;
}
return 0;
}
static inline uint8_t uKbdC_mstate_set(uint8_t code)
{
switch (code) {
case 0x11: uKbdC_state_controls |= ALTGR; return 1; break;
case 0x1F: uKbdC_state_controls |= WIN; return 1; break;
}
return 0;
}
static inline uint8_t uKbdC_state_reset(uint8_t code)
{
switch (code) {
case 0x12: uKbdC_state_controls &= ~SHIFT; return 1; break;
case 0x59: uKbdC_state_controls &= ~SHIFT; return 1; break;
case 0x11: uKbdC_state_controls &= ~ALT; return 1; break;
case 0x14: uKbdC_state_controls &= ~CTRL; return 1; break;
}
return 0;
}
static inline uint8_t uKbdC_mstate_reset(uint8_t code)
{
switch (code) {
case 0x11: uKbdC_state_controls &= ~ALTGR; return 1; break;
case 0x1F: uKbdC_state_controls &= ~WIN; return 1; break;
}
return 0;
}
static inline uint8_t uKbdC_mod_set(uint8_t code)
{
switch (code) {
case 0x58:
if (uKbdC_mod_controls & SHIFTLOCK)
uKbdC_mod_controls &= ~SHIFTLOCK;
else
uKbdC_mod_controls |= SHIFTLOCK;
return 1;
break;
case 0x77:
if (uKbdC_mod_controls & NUM)
uKbdC_mod_controls &= ~NUM;
else
uKbdC_mod_controls |= NUM;
return 1;
break;
}
return 0;
}
static uint8_t uKbdC_process_code(uint8_t code, const uKbdC_PS2Keymap_t &map = PS2Keymap_US)
{
uint8_t key = 0;
keymap = ↦
if(code == 0xF0) {
//BREAK
uKbdC_do_break = 1;
return(0);
}
if(code == 0xE0) {
//MODIFY
uKbdC_do_modify = 1;
return(0);
}
if (uKbdC_do_break == 0) {
//MAKE CODES
if (uKbdC_do_modify) {
uKbdC_do_modify = 0;
if (uKbdC_mstate_reset(code))
return(0);
}
else {
if (uKbdC_state_set(code))
return(0);
}
if (uKbdC_mod_set(code))
return(0);
//Lets make keys from codes
if (uKbdC_mod_controls & NUM) {
key = uKbdC_num_mod(code);
if (key) {
uKbdC_buffer[uKbdC_ptr_ceil++] = key;
uKbdC_ptr_ceil = uKbdC_ptr_ceil & 0xF;
return(1);
}
}
if ((uKbdC_state_controls & ALTGR) && keymap->uses_altgr) {
if (code < PS2_KEYMAP_SIZE)
key = pgm_read_byte(keymap->altgr + code);
}
else if (uKbdC_state_controls & SHIFT || uKbdC_mod_controls & SHIFTLOCK) {
if (code < PS2_KEYMAP_SIZE)
key = pgm_read_byte(keymap->shift + code);
}
else {
if (code < PS2_KEYMAP_SIZE)
key = pgm_read_byte(keymap->noshift + code);
}
if (uKbdC_state_controls & CTRL) {
key = uKbdC_ctrl_mod(key);
}
if (key) {
uKbdC_buffer[uKbdC_ptr_ceil++] = key;
uKbdC_ptr_ceil = uKbdC_ptr_ceil & 0xF;
return(1);
}
}
else {
uKbdC_do_break = 0;
if (uKbdC_do_modify) {
uKbdC_do_modify = 0;
if (uKbdC_mstate_reset(code))
return(0);
}
else {
if (uKbdC_state_reset(code))
return(0);
}
if (uKbdC_do_modify) {
}
}
return(0);
}
uint8_t uKbdC_send_scancode(uint8_t code)
{
return uKbdC_process_code(code);
}
uint8_t uKbdC_available()
{
if (uKbdC_ptr_ceil < uKbdC_ptr_floor)
return(32 - uKbdC_ptr_floor + uKbdC_ptr_ceil);
else
return(uKbdC_ptr_ceil - uKbdC_ptr_floor);
}
uint8_t uKbdC_read()
{
uint8_t ret;
if (uKbdC_ptr_ceil != uKbdC_ptr_floor) {
ret = uKbdC_buffer[uKbdC_ptr_floor++];
uKbdC_ptr_floor = uKbdC_ptr_floor & 0xF;
return ret;
}
return(0);
}