]>
git.gir.st - tmk_keyboard.git/blob - converter/news_usb/matrix.c
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>
45 static uint8_t matrix
[MATRIX_ROWS
];
46 #define ROW(code) ((code>>3)&0xF)
47 #define COL(code) (code&0x07)
49 static bool is_modified
= false;
53 uint8_t matrix_rows(void)
59 uint8_t matrix_cols(void)
64 void matrix_init(void)
68 // initialize matrix state: all keys off
69 for (uint8_t i
=0; i
< MATRIX_ROWS
; i
++) matrix
[i
] = 0x00;
74 uint8_t matrix_scan(void)
84 phex(code
); print(" ");
87 if (matrix_is_on(ROW(code
), COL(code
))) {
88 matrix
[ROW(code
)] &= ~(1<<COL(code
));
93 if (!matrix_is_on(ROW(code
), COL(code
))) {
94 matrix
[ROW(code
)] |= (1<<COL(code
));
101 bool matrix_is_modified(void)
107 bool matrix_has_ghost(void)
113 bool matrix_is_on(uint8_t row
, uint8_t col
)
115 return (matrix
[row
] & (1<<col
));
119 uint8_t matrix_get_row(uint8_t row
)
124 void matrix_print(void)
126 print("\nr/c 01234567\n");
127 for (uint8_t row
= 0; row
< matrix_rows(); row
++) {
128 phex(row
); print(": ");
129 pbin_reverse(matrix_get_row(row
));
134 uint8_t matrix_key_count(void)
137 for (uint8_t i
= 0; i
< MATRIX_ROWS
; i
++) {
138 count
+= bitpop(matrix
[i
]);