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