Fix matrix.c to use new default impl.
[tmk_keyboard.git] / converter / news_usb / matrix.c
CommitLineData
579991b9 1/*
2Copyright 2012 Jun Wako <wakojun@gmail.com>
3
4This program is free software: you can redistribute it and/or modify
5it under the terms of the GNU General Public License as published by
6the Free Software Foundation, either version 2 of the License, or
7(at your option) any later version.
8
9This program is distributed in the hope that it will be useful,
10but WITHOUT ANY WARRANTY; without even the implied warranty of
11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12GNU General Public License for more details.
13
14You should have received a copy of the GNU General Public License
15along with this program. If not, see <http://www.gnu.org/licenses/>.
16*/
17
18#include <stdint.h>
19#include <stdbool.h>
20#include <avr/io.h>
21#include <util/delay.h>
22#include "print.h"
23#include "util.h"
24#include "news.h"
25#include "matrix.h"
6f253b92 26#include "debug.h"
579991b9 27
28
29/*
30 * Matrix Array usage:
31 *
32 * ROW: 16
33 * COL:8
34 *
35 * 8bit wide
36 * +---------+
37 * 0|00 ... 07|
38 * 1|08 ... 0F|
39 * :| ... |
40 * :| ... |
41 * E|70 ... 77|
42 * F|78 ... 7F|
43 * +---------+
44 *
45 */
46static uint8_t matrix[MATRIX_ROWS];
47#define ROW(code) ((code>>3)&0xF)
48#define COL(code) (code&0x07)
49
579991b9 50
51void matrix_init(void)
52{
53 news_init();
54
55 // initialize matrix state: all keys off
56 for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
57
58 return;
59}
60
61uint8_t matrix_scan(void)
62{
579991b9 63 uint8_t code;
64 code = news_recv();
65 if (code == 0) {
66 return 0;
67 }
68
69 phex(code); print(" ");
70 if (code&0x80) {
71 // break code
72 if (matrix_is_on(ROW(code), COL(code))) {
73 matrix[ROW(code)] &= ~(1<<COL(code));
579991b9 74 }
75 } else {
76 // make code
77 if (!matrix_is_on(ROW(code), COL(code))) {
78 matrix[ROW(code)] |= (1<<COL(code));
579991b9 79 }
80 }
81 return code;
82}
83
579991b9 84inline
85uint8_t matrix_get_row(uint8_t row)
86{
87 return matrix[row];
88}
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