+/* keyboard.c
+ * Keyboard scan code conversion and injection.
+ * NetWatch system management mode administration console
+ *
+ * Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved.
+ * This program is free software; you can redistribute and/or modify it under
+ * the terms found in the file LICENSE in the root of this source tree.
+ *
+ */
+
#include "keyboard.h"
#include <stdint.h>
#include <minilib.h>
static int kbd_inj_end = 0;
int kbd_mode = 1;
-static const char scancodes2[][2][8] = {
- ['a'] = { "\x1c", "\xf0\x1c" },
- ['b'] = { "\x32", "\xf0\x32" },
- ['c'] = { "\x21", "\xf0\x21" },
- ['d'] = { "\x23", "\xf0\x23" },
- ['e'] = { "\x24", "\xf0\x24" },
- ['f'] = { "\x2b", "\xf0\x2b" },
- ['g'] = { "\x34", "\xf0\x34" },
- ['h'] = { "\x33", "\xf0\x33" },
- ['i'] = { "\x43", "\xf0\x43" },
- ['j'] = { "\x3b", "\xf0\x3b" },
- ['k'] = { "\x42", "\xf0\x42" },
- ['l'] = { "\x4b", "\xf0\x4b" },
- ['m'] = { "\x3a", "\xf0\x3a" },
- ['n'] = { "\x31", "\xf0\x31" },
- ['o'] = { "\x44", "\xf0\x44" },
- ['p'] = { "\x4d", "\xf0\x4d" },
- ['q'] = { "\x15", "\xf0\x15" },
- ['r'] = { "\x2d", "\xf0\x2d" },
- ['s'] = { "\x1b", "\xf0\x1b" },
- ['t'] = { "\x2c", "\xf0\x2c" },
- ['u'] = { "\x3c", "\xf0\x3c" },
- ['v'] = { "\x2a", "\xf0\x2a" },
- ['w'] = { "\x1d", "\xf0\x1d" },
- ['x'] = { "\x22", "\xf0\x22" },
- ['y'] = { "\x35", "\xf0\x35" },
- ['z'] = { "\x1a", "\xf0\x1a" },
- ['A'] = { "\x12\x1c", "\xf0\x1c\xf0\x12" },
- ['B'] = { "\x12\x32", "\xf0\x32\xf0\x12" },
- ['C'] = { "\x12\x21", "\xf0\x21\xf0\x12" },
- ['D'] = { "\x12\x23", "\xf0\x23\xf0\x12" },
- ['E'] = { "\x12\x24", "\xf0\x24\xf0\x12" },
- ['F'] = { "\x12\x2b", "\xf0\x2b\xf0\x12" },
- ['G'] = { "\x12\x34", "\xf0\x34\xf0\x12" },
- ['H'] = { "\x12\x33", "\xf0\x33\xf0\x12" },
- ['I'] = { "\x12\x43", "\xf0\x43\xf0\x12" },
- ['J'] = { "\x12\x3b", "\xf0\x3b\xf0\x12" },
- ['K'] = { "\x12\x42", "\xf0\x42\xf0\x12" },
- ['L'] = { "\x12\x4b", "\xf0\x4b\xf0\x12" },
- ['M'] = { "\x12\x3a", "\xf0\x3a\xf0\x12" },
- ['N'] = { "\x12\x31", "\xf0\x31\xf0\x12" },
- ['O'] = { "\x12\x44", "\xf0\x44\xf0\x12" },
- ['P'] = { "\x12\x4d", "\xf0\x4d\xf0\x12" },
- ['Q'] = { "\x12\x15", "\xf0\x15\xf0\x12" },
- ['R'] = { "\x12\x2d", "\xf0\x2d\xf0\x12" },
- ['S'] = { "\x12\x1b", "\xf0\x1b\xf0\x12" },
- ['T'] = { "\x12\x2c", "\xf0\x2c\xf0\x12" },
- ['U'] = { "\x12\x3c", "\xf0\x3c\xf0\x12" },
- ['V'] = { "\x12\x2a", "\xf0\x2a\xf0\x12" },
- ['W'] = { "\x12\x1d", "\xf0\x1d\xf0\x12" },
- ['X'] = { "\x12\x22", "\xf0\x22\xf0\x12" },
- ['Y'] = { "\x12\x35", "\xf0\x35\xf0\x12" },
- ['Z'] = { "\x12\x1a", "\xf0\x1a\xf0\x12" },
- ['`'] = { "\x0e", "\xf0\x0e" },
- ['~'] = { "\x12\x0e", "\xf0\x0e\xf0\x12" },
- ['1'] = { "\x16", "\xf0\x16" },
- ['!'] = { "\x12\x16", "\xf0\x16\xf0\x12" },
- ['2'] = { "\x1e", "\xf0\x1e" },
- ['@'] = { "\x12\x1e", "\xf0\x1e\xf0\x12" },
- ['3'] = { "\x26", "\xf0\x26" },
- ['#'] = { "\x12\x26", "\xf0\x26\xf0\x12" },
- ['4'] = { "\x25", "\xf0\x25" },
- ['$'] = { "\x12\x25", "\xf0\x25\xf0\x12" },
- ['5'] = { "\x2e", "\xf0\x2e" },
- ['%'] = { "\x12\x2e", "\xf0\x2e\xf0\x12" },
- ['6'] = { "\x36", "\xf0\x36" },
- ['^'] = { "\x12\x36", "\xf0\x36\xf0\x12" },
- ['7'] = { "\x3d", "\xf0\x3d" },
- ['&'] = { "\x12\x3d", "\xf0\x3d\xf0\x12" },
- ['8'] = { "\x3e", "\xf0\x3e" },
- ['*'] = { "\x12\x3e", "\xf0\x3e\xf0\x12" },
- ['9'] = { "\x46", "\xf0\x46" },
- ['('] = { "\x12\x46", "\xf0\x46\xf0\x12" },
- ['0'] = { "\x45", "\xf0\x45" },
- [')'] = { "\x12\x45", "\xf0\x45\xf0\x12" },
- ['-'] = { "\x4e", "\xf0\x4e" },
- ['_'] = { "\x12\x4e", "\xf0\x4e\xf0\x12" },
- ['='] = { "\x55", "\xf0\x55" },
- ['+'] = { "\x12\x55", "\xf0\x55\xf0\x12" },
- ['['] = { "\x54", "\xf0\x54" },
- ['{'] = { "\x12\x54", "\xf0\x54\xf0\x12" },
- [']'] = { "\x5b", "\xf0\x5b" },
- ['}'] = { "\x12\x5b", "\xf0\x5b\xf0\x12" },
- ['\\'] = { "\x5d", "\xf0\x5d" },
- ['|'] = { "\x12\x5d", "\xf0\x5d\xf0\x12" },
- [';'] = { "\x4c", "\xf0\x4c" },
- [':'] = { "\x12\x4c", "\xf0\x4c\xf0\x12" },
- ['\''] = { "\x52", "\xf0\x52" },
- ['"'] = { "\x12\x52", "\xf0\x52\xf0\x12" },
- [','] = { "\x41", "\xf0\x41" },
- ['<'] = { "\x12\x41", "\xf0\x41\xf0\x12" },
- ['.'] = { "\x49", "\xf0\x49" },
- ['>'] = { "\x12\x49", "\xf0\x49\xf0\x12" },
- ['/'] = { "\x4a", "\xf0\x4a" },
- [' '] = { "\x29", "\xf0\x29" },
- ['?'] = { "\x12\x4a", "\xf0\x4a\xf0\x12" }
+/* To save space, we don't store the first 32 characters in scancodes2, since
+ * they're control characters. Thus, the offset is the amount to subtract
+ * from a character before looking it up. */
+
+#define SC2_OFFSET 32
+#define SC2(x) ((x)-SC2_OFFSET)
+
+/* Keys are stored in somewhat compressed form, to save on data space.
+ *
+ * The "press" and "release" strings contain scancodes to be injected
+ * into the buffer. However, they are modified beforehand, since two
+ * bytes isn't enough for all keys.
+ *
+ * Rules:
+ * - If press starts with \x12 (shift down), then \xf0\x12 (shift up)
+ * will be appended to release.
+ * - If press starts with \xe0, then \xe0 is *pre*pended to release.
+ */
+
+struct keyspec {
+ char press[2];
+ char release[2];
};
+static const struct keyspec scancodes2[] = {
+ [SC2('a')] = { "\x1c", "\xf0\x1c" },
+ [SC2('b')] = { "\x32", "\xf0\x32" },
+ [SC2('c')] = { "\x21", "\xf0\x21" },
+ [SC2('d')] = { "\x23", "\xf0\x23" },
+ [SC2('e')] = { "\x24", "\xf0\x24" },
+ [SC2('f')] = { "\x2b", "\xf0\x2b" },
+ [SC2('g')] = { "\x34", "\xf0\x34" },
+ [SC2('h')] = { "\x33", "\xf0\x33" },
+ [SC2('i')] = { "\x43", "\xf0\x43" },
+ [SC2('j')] = { "\x3b", "\xf0\x3b" },
+ [SC2('k')] = { "\x42", "\xf0\x42" },
+ [SC2('l')] = { "\x4b", "\xf0\x4b" },
+ [SC2('m')] = { "\x3a", "\xf0\x3a" },
+ [SC2('n')] = { "\x31", "\xf0\x31" },
+ [SC2('o')] = { "\x44", "\xf0\x44" },
+ [SC2('p')] = { "\x4d", "\xf0\x4d" },
+ [SC2('q')] = { "\x15", "\xf0\x15" },
+ [SC2('r')] = { "\x2d", "\xf0\x2d" },
+ [SC2('s')] = { "\x1b", "\xf0\x1b" },
+ [SC2('t')] = { "\x2c", "\xf0\x2c" },
+ [SC2('u')] = { "\x3c", "\xf0\x3c" },
+ [SC2('v')] = { "\x2a", "\xf0\x2a" },
+ [SC2('w')] = { "\x1d", "\xf0\x1d" },
+ [SC2('x')] = { "\x22", "\xf0\x22" },
+ [SC2('y')] = { "\x35", "\xf0\x35" },
+ [SC2('z')] = { "\x1a", "\xf0\x1a" },
+ [SC2('A')] = { "\x12\x1c", "\xf0\x1c" },
+ [SC2('B')] = { "\x12\x32", "\xf0\x32" },
+ [SC2('C')] = { "\x12\x21", "\xf0\x21" },
+ [SC2('D')] = { "\x12\x23", "\xf0\x23" },
+ [SC2('E')] = { "\x12\x24", "\xf0\x24" },
+ [SC2('F')] = { "\x12\x2b", "\xf0\x2b" },
+ [SC2('G')] = { "\x12\x34", "\xf0\x34" },
+ [SC2('H')] = { "\x12\x33", "\xf0\x33" },
+ [SC2('I')] = { "\x12\x43", "\xf0\x43" },
+ [SC2('J')] = { "\x12\x3b", "\xf0\x3b" },
+ [SC2('K')] = { "\x12\x42", "\xf0\x42" },
+ [SC2('L')] = { "\x12\x4b", "\xf0\x4b" },
+ [SC2('M')] = { "\x12\x3a", "\xf0\x3a" },
+ [SC2('N')] = { "\x12\x31", "\xf0\x31" },
+ [SC2('O')] = { "\x12\x44", "\xf0\x44" },
+ [SC2('P')] = { "\x12\x4d", "\xf0\x4d" },
+ [SC2('Q')] = { "\x12\x15", "\xf0\x15" },
+ [SC2('R')] = { "\x12\x2d", "\xf0\x2d" },
+ [SC2('S')] = { "\x12\x1b", "\xf0\x1b" },
+ [SC2('T')] = { "\x12\x2c", "\xf0\x2c" },
+ [SC2('U')] = { "\x12\x3c", "\xf0\x3c" },
+ [SC2('V')] = { "\x12\x2a", "\xf0\x2a" },
+ [SC2('W')] = { "\x12\x1d", "\xf0\x1d" },
+ [SC2('X')] = { "\x12\x22", "\xf0\x22" },
+ [SC2('Y')] = { "\x12\x35", "\xf0\x35" },
+ [SC2('Z')] = { "\x12\x1a", "\xf0\x1a" },
+ [SC2('`')] = { "\x0e", "\xf0\x0e" },
+ [SC2('~')] = { "\x12\x0e", "\xf0\x0e" },
+ [SC2('1')] = { "\x16", "\xf0\x16" },
+ [SC2('!')] = { "\x12\x16", "\xf0\x16" },
+ [SC2('2')] = { "\x1e", "\xf0\x1e" },
+ [SC2('@')] = { "\x12\x1e", "\xf0\x1e" },
+ [SC2('3')] = { "\x26", "\xf0\x26" },
+ [SC2('#')] = { "\x12\x26", "\xf0\x26" },
+ [SC2('4')] = { "\x25", "\xf0\x25" },
+ [SC2('$')] = { "\x12\x25", "\xf0\x25" },
+ [SC2('5')] = { "\x2e", "\xf0\x2e" },
+ [SC2('%')] = { "\x12\x2e", "\xf0\x2e" },
+ [SC2('6')] = { "\x36", "\xf0\x36" },
+ [SC2('^')] = { "\x12\x36", "\xf0\x36" },
+ [SC2('7')] = { "\x3d", "\xf0\x3d" },
+ [SC2('&')] = { "\x12\x3d", "\xf0\x3d" },
+ [SC2('8')] = { "\x3e", "\xf0\x3e" },
+ [SC2('*')] = { "\x12\x3e", "\xf0\x3e" },
+ [SC2('9')] = { "\x46", "\xf0\x46" },
+ [SC2('(')] = { "\x12\x46", "\xf0\x46" },
+ [SC2('0')] = { "\x45", "\xf0\x45" },
+ [SC2(')')] = { "\x12\x45", "\xf0\x45" },
+ [SC2('-')] = { "\x4e", "\xf0\x4e" },
+ [SC2('_')] = { "\x12\x4e", "\xf0\x4e" },
+ [SC2('=')] = { "\x55", "\xf0\x55" },
+ [SC2('+')] = { "\x12\x55", "\xf0\x55" },
+ [SC2('[')] = { "\x54", "\xf0\x54" },
+ [SC2('{')] = { "\x12\x54", "\xf0\x54" },
+ [SC2(']')] = { "\x5b", "\xf0\x5b" },
+ [SC2('}')] = { "\x12\x5b", "\xf0\x5b" },
+ [SC2('\\')] = { "\x5d", "\xf0\x5d" },
+ [SC2('|')] = { "\x12\x5d", "\xf0\x5d" },
+ [SC2(';')] = { "\x4c", "\xf0\x4c" },
+ [SC2(':')] = { "\x12\x4c", "\xf0\x4c" },
+ [SC2('\'')] = { "\x52", "\xf0\x52" },
+ [SC2('"')] = { "\x12\x52", "\xf0\x52" },
+ [SC2(',')] = { "\x41", "\xf0\x41" },
+ [SC2('<')] = { "\x12\x41", "\xf0\x41" },
+ [SC2('.')] = { "\x49", "\xf0\x49" },
+ [SC2('>')] = { "\x12\x49", "\xf0\x49" },
+ [SC2('/')] = { "\x4a", "\xf0\x4a" },
+ [SC2(' ')] = { "\x29", "\xf0\x29" },
+ [SC2('?')] = { "\x12\x4a", "\xf0\x4a" }
+};
-static const char scancodes2high[][2][8] = {
- [0x08] = { "\x66", "\xf0\x66" },
- [0x09] = { "\x0d", "\xf0\x0d" },
- [0x0d] = { "\x5a", "\xf0\x5a" },
- [0x1b] = { "\x76", "\xf0\x76" },
- [0x63] = { "\xE0\x70", "\xE0\xF0\x70" },
- [0xff] = { "\xE0\x71", "\xE0\xF0\x71" },
- [0x50] = { "\xE0\x6C", "\xE0\xF0\x6C" },
- [0x57] = { "\xE0\x69", "\xE0\xF0\x69" },
- [0x55] = { "\xE0\x75", "\xE0\xF0\x75" },
- [0x56] = { "\xE0\x7A", "\xE0\xF0\x7A" },
- [0x51] = { "\xE0\x74", "\xE0\xF0\x74" },
- [0x52] = { "\xE0\x75", "\xE0\xF0\x75" },
- [0x53] = { "\xE0\x6B", "\xE0\xF0\x6B" },
- [0x54] = { "\xE0\x72", "\xE0\xF0\x72" },
- [0xe1] = { "\x12", "\xf0\x12" },
- [0xe2] = { "\x59", "\xf0\x59" },
- [0xe3] = { "\x14", "\xf0\x14" },
- [0xe4] = { "\xE0\x14", "\xE0\xF0\x14" },
- [0xe9] = { "\x11", "\xf0\x11" },
- [0xea] = { "\xE0\x11", "\xE0\xF0\x11" }
+static const struct {
+ char index;
+ struct keyspec data;
+} scancodes2high[] = {
+ { 0x08, { "\x66", "\xf0\x66" } },
+ { 0x09, { "\x0d", "\xf0\x0d" } },
+ { 0x0d, { "\x5a", "\xf0\x5a" } },
+ { 0x1b, { "\x76", "\xf0\x76" } },
+ { 0x63, { "\xe0\x70", "\xF0\x70" } },
+ { 0xff, { "\xe0\x71", "\xF0\x71" } },
+ { 0x50, { "\xe0\x6C", "\xF0\x6C" } },
+ { 0x57, { "\xe0\x69", "\xF0\x69" } },
+ { 0x55, { "\xe0\x75", "\xF0\x75" } },
+ { 0x56, { "\xe0\x7A", "\xF0\x7A" } },
+ { 0x51, { "\xe0\x74", "\xF0\x74" } },
+ { 0x52, { "\xe0\x75", "\xF0\x75" } },
+ { 0x53, { "\xe0\x6B", "\xF0\x6B" } },
+ { 0x54, { "\xe0\x72", "\xF0\x72" } },
+ { 0xe1, { "\x12", "" } },
+ { 0xe2, { "\x59", "\xf0\x59" } },
+ { 0xe3, { "\x14", "\xf0\x14" } },
+ { 0xe4, { "\xe0\x14", "\xF0\x14" } },
+ { 0xe9, { "\x11", "\xf0\x11" } },
+ { 0xea, { "\xe0\x11", "\xF0\x11" } },
+ { 0x00, { "", "" } }
};
const unsigned char convert_table[] = {
void kbd_inject_scancode (unsigned char sc)
{
+ if (kbd_mode == 1) {
+ sc = sc_convert_1(sc);
+ if (!sc) return;
+ }
+
outputf("Buffering %02x", sc);
kbd_inj_buffer[kbd_inj_end] = sc;
kbd_inj_end += 1;
void kbd_inject_keysym(uint32_t k, int downflag)
{
- const char * c;
+ const struct keyspec * ks = 0;
+ const char * c = 0;
+ int i;
- if ((k & 0xFFFFFF00) == 0)
+ if ((k & 0xFFFFFF00) == 0 && (k & 0xFF) > SC2_OFFSET)
{
- c = scancodes2[k & 0xFF][downflag ? 0 : 1];
+ ks = &scancodes2[SC2(k & 0xFF)];
} else if ((k & 0xFFFFFF00) == 0xFF00) {
- c = scancodes2high[k & 0xFF][downflag ? 0 : 1];
+ for (i = 0; scancodes2high[i].index; i++) {
+ if ((k & 0xff) == scancodes2high[i].index) {
+ ks = &scancodes2high[i].data;
+ break;
+ }
+ }
} else {
return;
}
- if (!c) return;
+ if (!ks) return;
- if (kbd_mode == 1) {
- while (*c) {
- char cconv = sc_convert_1(*c);
- if (cconv) kbd_inject_scancode(cconv);
- c++;
- }
- } else {
- while (*c) {
- kbd_inject_scancode(*c);
- c++;
- }
+ if (downflag)
+ c = ks->press;
+ else
+ c = ks->release;
+
+ i = 0;
+
+ if (ks->press[0] == '\xe0' && !downflag)
+ kbd_inject_scancode('\xe0');
+
+ while (*c && i < 2) {
+ kbd_inject_scancode(*c);
+ c++;
+ i++;
+ }
+
+ if (ks->press[0] == '\x12' && !downflag) {
+ kbd_inject_scancode('\xf0');
+ kbd_inject_scancode('\x12');
}
}