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-rw-r--r--keyboards/al1/matrix.c275
1 files changed, 83 insertions, 192 deletions
diff --git a/keyboards/al1/matrix.c b/keyboards/al1/matrix.c
index f6e951087..1407cbc08 100644
--- a/keyboards/al1/matrix.c
+++ b/keyboards/al1/matrix.c
@@ -1,201 +1,92 @@
1#include <stdint.h>
2#include <stdbool.h>
3#include <avr/io.h>
4#include <util/delay.h>
5#include "print.h"
6#include "debug.h"
7#include "util.h"
8#include "matrix.h" 1#include "matrix.h"
9 2
10#ifndef DEBOUNCE 3#include "gpio.h"
11# define DEBOUNCE 5
12#endif
13static uint8_t debouncing = DEBOUNCE;
14
15static matrix_row_t matrix[MATRIX_ROWS];
16static matrix_row_t matrix_debouncing[MATRIX_ROWS];
17
18static uint8_t read_rows(void);
19static void init_rows(void);
20static void unselect_cols(void);
21static void select_col(uint8_t col);
22
23inline uint8_t matrix_rows(void) {
24 return MATRIX_ROWS;
25}
26
27inline uint8_t matrix_cols(void) {
28 return MATRIX_COLS;
29}
30
31__attribute__ ((weak))
32void matrix_init_kb(void) {
33 matrix_init_user();
34}
35
36__attribute__ ((weak))
37void matrix_scan_kb(void) {
38 matrix_scan_user();
39}
40
41__attribute__ ((weak))
42void matrix_init_user(void) {
43}
44
45__attribute__ ((weak))
46void matrix_scan_user(void) {
47}
48
49void matrix_init(void) {
50 // initialize row and col
51 unselect_cols();
52 init_rows();
53
54 // initialize matrix state: all keys off
55 for (uint8_t i=0; i < MATRIX_ROWS; i++) {
56 matrix[i] = 0;
57 matrix_debouncing[i] = 0;
58 }
59 matrix_init_quantum();
60}
61
62uint8_t matrix_scan(void) {
63 for (uint8_t col = 0; col < MATRIX_COLS; col++) {
64 select_col(col);
65 _delay_us(3);
66 uint8_t rows = read_rows();
67 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
68 bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
69 bool curr_bit = rows & (1<<row);
70 if (prev_bit != curr_bit) {
71 matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
72 debouncing = DEBOUNCE;
73 }
74 }
75 unselect_cols();
76 }
77
78 if (debouncing) {
79 if (--debouncing) {
80 _delay_ms(1);
81 } else {
82 for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
83 matrix[i] = matrix_debouncing[i];
84 }
85 }
86 }
87
88 matrix_scan_quantum();
89 return 1;
90}
91
92bool matrix_is_modified(void) {
93 if (debouncing)
94 return false;
95 else
96 return true;
97}
98
99inline bool matrix_is_on(uint8_t row, uint8_t col) {
100 return (matrix[row] & ((matrix_row_t)1<<col));
101}
102
103inline matrix_row_t matrix_get_row(uint8_t row) {
104 return matrix[row];
105}
106
107void matrix_print(void) {
108 print("\nr/c 0123456789ABCDEF\n");
109 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
110 xprintf("%02X: %032lb\n", row, bitrev32(matrix_get_row(row)));
111 }
112}
113
114uint8_t matrix_key_count(void) {
115 uint8_t count = 0;
116 for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
117 count += bitpop32(matrix[i]);
118 }
119 return count;
120}
121
122/* Row pin configuration
123 *
124 * row: 0 1 2 3 4 5
125 * pin: C7 B1 B2 C6 B4 B5
126 *
127 */
128static void init_rows(void)
129{
130 DDRC &= ~0b11000000;
131 DDRB &= ~0b00110110;
132 PORTC |= 0b11000000;
133 PORTB |= 0b00110110;
134}
135 4
136static uint8_t read_rows(void) { 5static uint8_t read_rows(void) {
137 return (PINC&(1<<PC7) ? 0 : (1<<0)) | 6 return (readPin(C7) ? 0 : 1) |
138 (PINB&(1<<PB1) ? 0 : (1<<1)) | 7 (readPin(B1) ? 0 : 2) |
139 (PINB&(1<<PB2) ? 0 : (1<<2)) | 8 (readPin(B2) ? 0 : 4) |
140 (PINC&(1<<PC6) ? 0 : (1<<3)) | 9 (readPin(C6) ? 0 : 8) |
141 (PINB&(1<<PB4) ? 0 : (1<<4)) | 10 (readPin(B4) ? 0 : 16) |
142 (PINB&(1<<PB5) ? 0 : (1<<5)); 11 (readPin(B5) ? 0 : 32);
143}
144
145/* Row pin configuration
146 * pin: D3 D7 D6 D5 D4
147 * row: off 0 x x x x
148 * 0 1 0 0 0 0
149 * 1 1 0 0 0 1
150 * 2 1 0 0 1 0
151 * 3 1 0 0 1 1
152 * 4 1 0 1 0 0
153 * 5 1 0 1 0 1
154 * 6 1 0 1 1 0
155 * 7 1 0 1 1 1
156 * 8 1 1 0 0 0
157 * 9 1 1 0 0 1
158 * 10 1 1 0 1 0
159 * 11 1 1 0 1 1
160 * 12 1 1 1 0 0
161 * 13 1 1 1 0 1
162 * 14 1 1 1 1 0
163 * 15 1 1 1 1 1
164 */
165static void unselect_cols(void)
166{
167 // output high(DDR:1, PORT:1) to unselect
168 DDRB |= (1 << PD3);
169 PORTB |= (1 << PD3);
170} 12}
171 13
172static void select_col(uint8_t col) { 14static void select_col(uint8_t col) {
173 DDRD |= (1<<PD3 | 1<<PD4 | 1<<PD5 | 1<<PD6 | 1<<PD7); 15 writePinLow(D3);
174 16
175 PORTD &= ~(1<<PD3); 17 writePin(D4, (col & 1));
18 writePin(D5, (col & 2));
19 writePin(D6, (col & 4));
20 writePin(D7, (col & 8));
21}
22
23static void unselect_cols(void) {
24 writePinHigh(D3);
25}
26
27void matrix_init_custom(void) {
28 /* 74HC154 col pin configuration
29 * pin: D3 D7 D6 D5 D4
30 * row: off 0 x x x x
31 * 0 1 0 0 0 0
32 * 1 1 0 0 0 1
33 * 2 1 0 0 1 0
34 * 3 1 0 0 1 1
35 * 4 1 0 1 0 0
36 * 5 1 0 1 0 1
37 * 6 1 0 1 1 0
38 * 7 1 0 1 1 1
39 * 8 1 1 0 0 0
40 * 9 1 1 0 0 1
41 * 10 1 1 0 1 0
42 * 11 1 1 0 1 1
43 * 12 1 1 1 0 0
44 * 13 1 1 1 0 1
45 * 14 1 1 1 1 0
46 * 15 1 1 1 1 1
47 */
48 setPinOutput(D3);
49 writePinHigh(D3);
50
51 setPinOutput(D4);
52 setPinOutput(D5);
53 setPinOutput(D6);
54 setPinOutput(D7);
55
56
57 /* Row pin configuration
58 *
59 * row: 0 1 2 3 4 5
60 * pin: C7 B1 B2 C6 B4 B5
61 *
62 */
63 setPinInputHigh(C7);
64 setPinInputHigh(B1);
65 setPinInputHigh(B2);
66 setPinInputHigh(C6);
67 setPinInputHigh(B4);
68 setPinInputHigh(B5);
69}
70
71bool matrix_scan_custom(matrix_row_t current_matrix[]) {
72 bool changed = false;
73
74 for (uint8_t col = 0; col < MATRIX_COLS; col++) {
75 select_col(col);
76 matrix_io_delay();
77 uint8_t rows = read_rows();
78
79 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
80 bool prev_bit = current_matrix[row] & ((matrix_row_t)1 << col);
81 bool curr_bit = rows & (1 << row);
82
83 if (prev_bit != curr_bit) {
84 current_matrix[row] ^= ((matrix_row_t)1 << col);
85 changed = true;
86 }
87 }
88 unselect_cols();
89 }
176 90
177 if (col & (1<<0)) { 91 return changed;
178 PORTD |= (1<<PD4);
179 }
180 else {
181 PORTD &= ~(1<<PD4);
182 }
183 if (col & (1<<1)) {
184 PORTD |= (1<<PD5);
185 }
186 else {
187 PORTD &= ~(1<<PD5);
188 }
189 if (col & (1<<2)) {
190 PORTD |= (1<<PD6);
191 }
192 else {
193 PORTD &= ~(1<<PD6);
194 }
195 if (col & (1<<3)) {
196 PORTD |= (1<<PD7);
197 }
198 else {
199 PORTD &= ~(1<<PD7);
200 }
201} 92}
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