static uint8_t debouncing = DEBOUNCE;
/* matrix state(1:on, 0:off) */
-static matrix_row_t *matrix;
-static matrix_row_t *matrix_debouncing;
-static matrix_row_t matrix0[MATRIX_ROWS];
-static matrix_row_t matrix1[MATRIX_ROWS];
+static matrix_row_t matrix[MATRIX_ROWS];
+static matrix_row_t matrix_debouncing[MATRIX_ROWS];
static matrix_row_t read_cols(void);
static void init_cols(void);
init_cols();
// initialize matrix state: all keys off
- matrix = matrix0;
- matrix_debouncing = matrix1;
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
matrix[i] = 0;
matrix_debouncing[i] = 0;
if (--debouncing) {
_delay_ms(1);
} else {
- matrix_row_t *tmp = matrix;
- matrix = matrix_debouncing;
- matrix_debouncing = tmp;
+ for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+ matrix[i] = matrix_debouncing[i];
+ }
}
}
/* Column pin configuration
* col: 0 1 2 3 4 5 6 7 8 9 10 11 12 13
- * pin: F0 F1 E6 C7 C6 B6 D4 B1 B0 B5 B4 D7 D6 B3
+ * pin: F0 F1 E6 C7 C6 B6 D4 B1 B0 B5 B4 D7 D6 B3 (Rev.A)
+ * pin: B7 (Rev.B)
*/
static void init_cols(void)
{
PORTD |= (1<<7 | 1<<6 | 1<<4);
DDRC &= ~(1<<7 | 1<<6);
PORTC |= (1<<7 | 1<<6);
- DDRB &= ~(1<<6 | 1<< 5 | 1<<4 | 1<<3 | 1<<1 | 1<<0);
- PORTB |= (1<<6 | 1<< 5 | 1<<4 | 1<<3 | 1<<1 | 1<<0);
+ DDRB &= ~(1<<7 | 1<<6 | 1<< 5 | 1<<4 | 1<<3 | 1<<1 | 1<<0);
+ PORTB |= (1<<7 | 1<<6 | 1<< 5 | 1<<4 | 1<<3 | 1<<1 | 1<<0);
}
static matrix_row_t read_cols(void)
(PINB&(1<<6) ? 0 : (1<<5)) |
(PIND&(1<<4) ? 0 : (1<<6)) |
(PINB&(1<<1) ? 0 : (1<<7)) |
- (PINB&(1<<0) ? 0 : (1<<8)) |
+ ((PINB&(1<<0) && PINB&(1<<7)) ? 0 : (1<<8)) | // Rev.A and B
(PINB&(1<<5) ? 0 : (1<<9)) |
(PINB&(1<<4) ? 0 : (1<<10)) |
(PIND&(1<<7) ? 0 : (1<<11)) |