2 Copyright 2012 Jun Wako <wakojun@gmail.com>
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include <util/delay.h>
26 #include "protocol/serial.h"
47 static uint8_t matrix[MATRIX_ROWS];
48 #define ROW(code) ((code>>3)&0xF)
49 #define COL(code) (code&0x07)
52 void matrix_init(void)
56 //debug_enable = true;
60 // initialize matrix state: all keys off
61 for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
63 // wait for keyboard coming up
64 // otherwise LED status update fails
68 while (serial_recv());
71 if (serial_recv() == 0xFF) {
73 if (serial_recv() == 0x04)
83 uint8_t matrix_scan(void)
89 debug_hex(code); debug(" ");
92 case 0xFF: // reset success: FF 04
96 xprintf("%02X\n", code);
99 led_set(host_keyboard_leds());
102 case 0xFE: // layout: FE <layout>
105 xprintf("%02X\n", serial_recv());
107 case 0x7E: // reset fail: 7E 01
108 print("reset fail: ");
110 xprintf("%02X\n", serial_recv());
114 for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
120 if (matrix_is_on(ROW(code), COL(code))) {
121 matrix[ROW(code)] &= ~(1<<COL(code));
125 if (!matrix_is_on(ROW(code), COL(code))) {
126 matrix[ROW(code)] |= (1<<COL(code));
133 uint8_t matrix_get_row(uint8_t row)