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Diffstat (limited to 'keyboards/converter/xt_usb/matrix.c')
| -rw-r--r-- | keyboards/converter/xt_usb/matrix.c | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/keyboards/converter/xt_usb/matrix.c b/keyboards/converter/xt_usb/matrix.c new file mode 100644 index 0000000000..e2d7117b13 --- /dev/null +++ b/keyboards/converter/xt_usb/matrix.c @@ -0,0 +1,309 @@ +/* +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_quantum(); +} + +// 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 keyobard 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 { + INIT, + E0, + // Pause: E1 1D 45, E1 9D C5 + E1, + E1_1D, + E1_9D, + } state = INIT; + + uint8_t code = xt_host_recv(); + if (!code) return 0; + xprintf("%02X ", code); + switch (state) { + case INIT: + switch (code) { + case 0xE0: + state = E0; + break; + case 0xE1: + state = E1; + break; + default: + if (code < 0x80) + matrix_make(code); + else + matrix_break(code & 0x7F); + break; + } + break; + case E0: + switch (code) { + case 0x2A: + case 0xAA: + case 0x36: + case 0xB6: + //ignore fake shift + state = INIT; + break; + default: + if (code < 0x80) + matrix_make(move_e0code(code)); + else + matrix_break(move_e0code(code & 0x7F)); + state = INIT; + break; + } + break; + case E1: + switch (code) { + case 0x1D: + state = E1_1D; + break; + case 0x9D: + state = E1_9D; + break; + default: + state = INIT; + break; + } + break; + case E1_1D: + switch (code) { + case 0x45: + matrix_make(0x55); + break; + default: + state = INIT; + break; + } + break; + case E1_9D: + switch (code) { + case 0x45: + matrix_break(0x55); + break; + default: + state = INIT; + break; + } + break; + default: + state = INIT; + } + matrix_scan_quantum(); + 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++) { + phex(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 / * + +*/ |