Kai Ryu
9 years ago
1 changed files with 5 additions and 6 deletions
+ 5
- 6
keyboard/RedScarfII/matrix.c
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| static matrix_row_t read_cols(void); | static matrix_row_t read_cols(void); | ||||
| static void init_cols(void); | static void init_cols(void); | ||||
| static void unselect_rows(void); | |||||
| static void init_rows(void); | |||||
| static void select_row(uint8_t row); | static void select_row(uint8_t row); | ||||
| inline | inline | ||||
| MCUCR = (1<<JTD); | MCUCR = (1<<JTD); | ||||
| // initialize row and col | // initialize row and col | ||||
| unselect_rows(); | |||||
| init_rows(); | |||||
| init_cols(); | init_cols(); | ||||
| // initialize matrix state: all keys off | // initialize matrix state: all keys off | ||||
| } | } | ||||
| debouncing = DEBOUNCE; | debouncing = DEBOUNCE; | ||||
| } | } | ||||
| unselect_rows(); | |||||
| // select next row | |||||
| select_row((i + 1) % MATRIX_ROWS); | |||||
| } | } | ||||
| if (debouncing) { | if (debouncing) { | ||||
| * B1 0 0 1 1 0 0 1 | * B1 0 0 1 1 0 0 1 | ||||
| * B0 0 0 0 0 1 1 1 | * B0 0 0 0 0 1 1 1 | ||||
| */ | */ | ||||
| static void unselect_rows(void) | |||||
| static void init_rows(void) | |||||
| { | { | ||||
| // Select Y7 | |||||
| DDRB |= (1<<PB2 | 1<<PB1 | 1<<PB0); | DDRB |= (1<<PB2 | 1<<PB1 | 1<<PB0); | ||||
| PORTB |= (1<<PB2 | 1<<PB1 | 1<<PB0); | |||||
| } | } | ||||
| static void select_row(uint8_t row) | static void select_row(uint8_t row) |