311 lines
8.1 KiB
C
311 lines
8.1 KiB
C
/*
|
|
Copyright 2011 Jun Wako <wakojun@gmail.com>
|
|
Copyright 2016 Ethan Apodaca <papodaca@gmail.com>
|
|
|
|
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 2 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 <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "action.h"
|
|
#include "print.h"
|
|
#include "util.h"
|
|
#include "debug.h"
|
|
#include "xt.h"
|
|
#include "matrix.h"
|
|
|
|
static void matrix_make(uint8_t code);
|
|
static void matrix_break(uint8_t code);
|
|
|
|
static uint8_t matrix[MATRIX_ROWS];
|
|
|
|
#define ROW(code) (code >> 3)
|
|
#define COL(code) (code & 0x07)
|
|
|
|
__attribute__ ((weak))
|
|
void matrix_init_kb(void) {
|
|
matrix_init_user();
|
|
}
|
|
|
|
__attribute__ ((weak))
|
|
void matrix_scan_kb(void) {
|
|
matrix_scan_user();
|
|
}
|
|
|
|
__attribute__ ((weak))
|
|
void matrix_init_user(void) {
|
|
}
|
|
|
|
__attribute__ ((weak))
|
|
void matrix_scan_user(void) { }
|
|
|
|
void matrix_init(void) {
|
|
debug_enable = true;
|
|
xt_host_init();
|
|
|
|
// initialize matrix state: all keys off
|
|
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
|
|
matrix[i] = 0x00;
|
|
}
|
|
|
|
matrix_init_kb();
|
|
}
|
|
|
|
// convert E0-escaped codes into unused area
|
|
static uint8_t move_e0code(uint8_t code) {
|
|
switch(code) {
|
|
// Original IBM XT keyboard has these keys
|
|
case 0x37: return 0x54; // Print Screen
|
|
case 0x46: return 0x55; // Ctrl + Pause
|
|
case 0x1C: return 0x6F; // Keypad Enter
|
|
case 0x35: return 0x7F; // Keypad /
|
|
|
|
// Any XT keyboard with these keys?
|
|
// http://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/translate.pdf
|
|
// https://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/scancode.doc
|
|
case 0x5B: return 0x5A; // Left GUI
|
|
case 0x5C: return 0x5B; // Right GUI
|
|
case 0x5D: return 0x5C; // Application
|
|
case 0x5E: return 0x5D; // Power(not used)
|
|
case 0x5F: return 0x5E; // Sleep(not used)
|
|
case 0x63: return 0x5F; // Wake (not used)
|
|
case 0x48: return 0x60; // Up
|
|
case 0x4B: return 0x61; // Left
|
|
case 0x50: return 0x62; // Down
|
|
case 0x4D: return 0x63; // Right
|
|
case 0x52: return 0x71; // Insert
|
|
case 0x53: return 0x72; // Delete
|
|
case 0x47: return 0x74; // Home
|
|
case 0x4F: return 0x75; // End
|
|
case 0x49: return 0x77; // Home
|
|
case 0x51: return 0x78; // End
|
|
case 0x1D: return 0x7A; // Right Ctrl
|
|
case 0x38: return 0x7C; // Right Alt
|
|
}
|
|
return 0x00;
|
|
}
|
|
|
|
uint8_t matrix_scan(void) {
|
|
static enum {
|
|
XT_STATE_INIT,
|
|
XT_STATE_E0,
|
|
// Pause: E1 1D 45, E1 9D C5
|
|
XT_STATE_E1,
|
|
XT_STATE_E1_1D,
|
|
XT_STATE_E1_9D,
|
|
} state = XT_STATE_INIT;
|
|
|
|
uint8_t code = xt_host_recv();
|
|
|
|
if (!code) {
|
|
return 0;
|
|
}
|
|
|
|
xprintf("%02X ", code);
|
|
|
|
switch (state) {
|
|
case XT_STATE_INIT:
|
|
switch (code) {
|
|
case 0xE0:
|
|
state = XT_STATE_E0;
|
|
break;
|
|
case 0xE1:
|
|
state = XT_STATE_E1;
|
|
break;
|
|
default:
|
|
if (code < 0x80) {
|
|
matrix_make(code);
|
|
} else {
|
|
matrix_break(code & 0x7F);
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case XT_STATE_E0:
|
|
switch (code) {
|
|
case 0x2A:
|
|
case 0xAA:
|
|
case 0x36:
|
|
case 0xB6:
|
|
//ignore fake shift
|
|
state = XT_STATE_INIT;
|
|
break;
|
|
default:
|
|
if (code < 0x80) {
|
|
matrix_make(move_e0code(code));
|
|
} else {
|
|
matrix_break(move_e0code(code & 0x7F));
|
|
}
|
|
state = XT_STATE_INIT;
|
|
break;
|
|
}
|
|
break;
|
|
case XT_STATE_E1:
|
|
switch (code) {
|
|
case 0x1D:
|
|
state = XT_STATE_E1_1D;
|
|
break;
|
|
case 0x9D:
|
|
state = XT_STATE_E1_9D;
|
|
break;
|
|
default:
|
|
state = XT_STATE_INIT;
|
|
break;
|
|
}
|
|
break;
|
|
case XT_STATE_E1_1D:
|
|
switch (code) {
|
|
case 0x45:
|
|
matrix_make(0x55);
|
|
break;
|
|
default:
|
|
state = XT_STATE_INIT;
|
|
break;
|
|
}
|
|
break;
|
|
case XT_STATE_E1_9D:
|
|
switch (code) {
|
|
case 0x45:
|
|
matrix_break(0x55);
|
|
break;
|
|
default:
|
|
state = XT_STATE_INIT;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
state = XT_STATE_INIT;
|
|
}
|
|
|
|
matrix_scan_kb();
|
|
|
|
return 1;
|
|
}
|
|
|
|
inline
|
|
uint8_t matrix_get_row(uint8_t row) {
|
|
return matrix[row];
|
|
}
|
|
|
|
inline static void matrix_make(uint8_t code) {
|
|
if (!matrix_is_on(ROW(code), COL(code))) {
|
|
matrix[ROW(code)] |= 1 << COL(code);
|
|
}
|
|
}
|
|
|
|
inline static void matrix_break(uint8_t code) {
|
|
if (matrix_is_on(ROW(code), COL(code))) {
|
|
matrix[ROW(code)] &= ~(1 << COL(code));
|
|
}
|
|
}
|
|
|
|
void matrix_clear(void) {
|
|
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
|
|
}
|
|
|
|
bool matrix_is_on(uint8_t row, uint8_t col) {
|
|
return (matrix_get_row(row) & (1 << col));
|
|
}
|
|
|
|
#if (MATRIX_COLS <= 8)
|
|
# define print_matrix_header() print("\nr/c 01234567\n")
|
|
# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
|
|
#elif (MATRIX_COLS <= 16)
|
|
# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
|
|
# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
|
|
#elif (MATRIX_COLS <= 32)
|
|
# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
|
|
# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
|
|
#endif
|
|
|
|
void matrix_print(void) {
|
|
print_matrix_header();
|
|
|
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
print_hex8(row);
|
|
print(": ");
|
|
print_matrix_row(row);
|
|
print("\n");
|
|
}
|
|
}
|
|
|
|
/*
|
|
XT Scancodes
|
|
============
|
|
- http://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/translate.pdf
|
|
- https://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/scancode.doc
|
|
|
|
01-53: Normal codes used in original XT keyboard
|
|
54-7F: Not used in original XT keyboard
|
|
|
|
0 1 2 3 4 5 6 7 8 9 A B C D E F
|
|
50 - - - - * * x x x x * * * o o o
|
|
60 * * * * x x x x x x x x x x x *
|
|
70 x * * x * * x * * x * x * x x *
|
|
|
|
-: codes existed in original XT keyboard
|
|
*: E0-escaped codes converted into unused code area(internal use in TMK)
|
|
x: Non-espcaped codes(not used in real keyboards probably, for CodeSet2-CodeSet1 translation purpose)
|
|
o: reserved
|
|
|
|
Usage in TMK:
|
|
|
|
00 (reserved) DO NOT USE
|
|
54 PrintScr*
|
|
55 Pause*
|
|
56 Euro2
|
|
57 F11
|
|
58 F12
|
|
59 Keypad =
|
|
5A LGUI*
|
|
5B RGUI*
|
|
5C APP*
|
|
5D (reserved)
|
|
5E (reserved)
|
|
5F (reserved)
|
|
60 cursor*
|
|
61 cursor*
|
|
62 cursor*
|
|
63 cursor*
|
|
64 F13
|
|
65 F14
|
|
66 F15
|
|
67 F16
|
|
68 F17
|
|
69 F18
|
|
6A F19
|
|
6B F20
|
|
6C F21
|
|
6D F22
|
|
6E F23
|
|
6F Keypad Enter*
|
|
70 KANA
|
|
71 nav*
|
|
72 nav*
|
|
73 RO
|
|
74 nav*
|
|
75 nav*
|
|
76 F24
|
|
77 nav*
|
|
78 nav*
|
|
79 HENKAN
|
|
7A RCTL*
|
|
7B MUHENKAN
|
|
7C RALT*
|
|
7D JPY
|
|
7E Keypad ,
|
|
7F Keypad / *
|
|
|
|
*/
|