2 Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
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>
27 #ifndef CONFIG_SPECIFIC_H
28 #define CONFIG_SPECIFIC_H
30 #define CONFIG_LED_IO \
32 DDRC |= (1<<5) | (1<<6);
34 #define USB_LED_CAPS_LOCK_ON PORTC &= ~(1<<5)
35 #define USB_LED_CAPS_LOCK_OFF PORTC |= (1<<5)
36 #define USB_LED_NUM_LOCK_ON PORTB &= ~(1<<7)
37 #define USB_LED_NUM_LOCK_OFF PORTB |= (1<<7)
38 #define USB_LED_SCROLL_LOCK_ON PORTC &= ~(1<<6)
39 #define USB_LED_SCROLL_LOCK_OFF PORTC |= (1<<6)
41 #define CONFIG_MATRIX_IO \
42 /* Column output pins */ \
44 /* Row input pins */ \
45 DDRC &= ~0b10000000; \
46 DDRB &= ~0b01111111; \
47 PORTC |= 0b10000000; \
50 #define MATRIX_ROW_SCAN \
51 (PINC&(1<<7) ? 0 : ((matrix_row_t)1<<0)) | \
52 (PINB&(1<<5) ? 0 : ((matrix_row_t)1<<1)) | \
53 (PINB&(1<<4) ? 0 : ((matrix_row_t)1<<2)) | \
54 (PINB&(1<<6) ? 0 : ((matrix_row_t)1<<3)) | \
55 (PINB&(1<<1) ? 0 : ((matrix_row_t)1<<4)) | \
56 (PINB&(1<<2) ? 0 : ((matrix_row_t)1<<5)) | \
57 (PINB&(1<<3) ? 0 : ((matrix_row_t)1<<6)) | \
58 (PINB&(1<<0) ? 0 : ((matrix_row_t)1<<7))
60 #define MATRIX_ROW_SELECT \
61 case 0: PORTD = (PORTD & ~0b01111011) | 0b00011011; break; \
62 case 1: PORTD = (PORTD & ~0b01111011) | 0b01000011; break; \
63 case 2: PORTD = (PORTD & ~0b01111011) | 0b01101010; break; \
64 case 3: PORTD = (PORTD & ~0b01111011) | 0b01111001; break; \
65 case 4: PORTD = (PORTD & ~0b01111011) | 0b01100010; break; \
66 case 5: PORTD = (PORTD & ~0b01111011) | 0b01110001; break; \
67 case 6: PORTD = (PORTD & ~0b01111011) | 0b01100001; break; \
68 case 7: PORTD = (PORTD & ~0b01111011) | 0b01110000; break; \
69 case 8: PORTD = (PORTD & ~0b01111011) | 0b01100000; break; \
70 case 9: PORTD = (PORTD & ~0b01111011) | 0b01101000; break; \
71 case 10: PORTD = (PORTD & ~0b01111011) | 0b00101011; break; \
72 case 11: PORTD = (PORTD & ~0b01111011) | 0b00110011; break; \
73 case 12: PORTD = (PORTD & ~0b01111011) | 0b00100011; break; \
74 case 13: PORTD = (PORTD & ~0b01111011) | 0b01111000; break; \
75 case 14: PORTD = (PORTD & ~0b01111011) | 0b00010011; break; \
76 case 15: PORTD = (PORTD & ~0b01111011) | 0b01101001; break; \
77 case 16: PORTD = (PORTD & ~0b01111011) | 0b00001011; break; \
78 case 17: PORTD = (PORTD & ~0b01111011) | 0b00111011; break;
82 #ifndef DEBOUNCING_DELAY
83 # define DEBOUNCING_DELAY 0
85 static uint8_t debouncing = DEBOUNCING_DELAY;
87 static matrix_row_t matrix[MATRIX_ROWS];
88 static matrix_row_t matrix_debouncing[MATRIX_ROWS];
90 static matrix_row_t scan_row(void);
91 static void select_row(uint8_t row);
93 inline uint8_t matrix_rows(void) {
97 inline uint8_t matrix_cols(void) {
101 void matrix_init(void) {
104 for (uint8_t i=0; i < MATRIX_ROWS; i++) {
106 matrix_debouncing[i] = 0;
109 matrix_init_quantum();
112 uint8_t matrix_scan(void) {
113 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
116 matrix_row_t row_scan = scan_row();
117 for (uint8_t col = 0; col < MATRIX_COLS; col++) {
118 bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
119 bool curr_bit = row_scan & (1<<col);
120 if (prev_bit != curr_bit) {
121 matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
122 debouncing = DEBOUNCING_DELAY;
131 for (uint8_t i = 0; i < MATRIX_ROWS; i++)
132 matrix[i] = matrix_debouncing[i];
135 matrix_scan_quantum();
139 bool matrix_is_modified(void) {
146 inline bool matrix_is_on(uint8_t row, uint8_t col) {
147 return (matrix[row] & ((matrix_row_t)1<<col));
150 inline matrix_row_t matrix_get_row(uint8_t row) {
154 void matrix_print(void) {
155 print("\nr/c 01234567\n");
156 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
157 matrix_row_t row_scan = matrix_get_row(row);
158 xprintf("%02X: ", row);
159 for (uint8_t col = 0; col < MATRIX_COLS; col++) {
160 bool curr_bit = row_scan & (1<<col);
161 xprintf("%c", curr_bit ? '*' : '.');
167 uint8_t matrix_key_count(void) {
169 for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
170 count += bitpop32(matrix[i]);
175 static matrix_row_t scan_row(void) {
176 return MATRIX_ROW_SCAN;
179 static void select_row(uint8_t row) {