diff options
Diffstat (limited to 'keyboards/al1/matrix.c')
| -rw-r--r-- | keyboards/al1/matrix.c | 275 |
1 files changed, 83 insertions, 192 deletions
diff --git a/keyboards/al1/matrix.c b/keyboards/al1/matrix.c index f6e9510873..1407cbc089 100644 --- a/keyboards/al1/matrix.c +++ b/keyboards/al1/matrix.c @@ -1,201 +1,92 @@ -#include <stdint.h> -#include <stdbool.h> -#include <avr/io.h> -#include <util/delay.h> -#include "print.h" -#include "debug.h" -#include "util.h" #include "matrix.h" -#ifndef DEBOUNCE -# define DEBOUNCE 5 -#endif -static uint8_t debouncing = DEBOUNCE; - -static matrix_row_t matrix[MATRIX_ROWS]; -static matrix_row_t matrix_debouncing[MATRIX_ROWS]; - -static uint8_t read_rows(void); -static void init_rows(void); -static void unselect_cols(void); -static void select_col(uint8_t col); - -inline uint8_t matrix_rows(void) { - return MATRIX_ROWS; -} - -inline uint8_t matrix_cols(void) { - return MATRIX_COLS; -} - -__attribute__ ((weak)) -void matrix_init_kb(void) { - matrix_init_user(); -} - -__attribute__ ((weak)) -void matrix_scan_kb(void) { - matrix_scan_user(); -} - -__attribute__ ((weak)) -void matrix_init_user(void) { -} - -__attribute__ ((weak)) -void matrix_scan_user(void) { -} - -void matrix_init(void) { - // initialize row and col - unselect_cols(); - init_rows(); - - // initialize matrix state: all keys off - for (uint8_t i=0; i < MATRIX_ROWS; i++) { - matrix[i] = 0; - matrix_debouncing[i] = 0; - } - matrix_init_quantum(); -} - -uint8_t matrix_scan(void) { - for (uint8_t col = 0; col < MATRIX_COLS; col++) { - select_col(col); - _delay_us(3); - uint8_t rows = read_rows(); - for (uint8_t row = 0; row < MATRIX_ROWS; row++) { - bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col); - bool curr_bit = rows & (1<<row); - if (prev_bit != curr_bit) { - matrix_debouncing[row] ^= ((matrix_row_t)1<<col); - debouncing = DEBOUNCE; - } - } - unselect_cols(); - } - - if (debouncing) { - if (--debouncing) { - _delay_ms(1); - } else { - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - matrix[i] = matrix_debouncing[i]; - } - } - } - - matrix_scan_quantum(); - return 1; -} - -bool matrix_is_modified(void) { - if (debouncing) - return false; - else - return true; -} - -inline bool matrix_is_on(uint8_t row, uint8_t col) { - return (matrix[row] & ((matrix_row_t)1<<col)); -} - -inline matrix_row_t matrix_get_row(uint8_t row) { - return matrix[row]; -} - -void matrix_print(void) { - print("\nr/c 0123456789ABCDEF\n"); - for (uint8_t row = 0; row < MATRIX_ROWS; row++) { - xprintf("%02X: %032lb\n", row, bitrev32(matrix_get_row(row))); - } -} - -uint8_t matrix_key_count(void) { - uint8_t count = 0; - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - count += bitpop32(matrix[i]); - } - return count; -} - -/* Row pin configuration - * - * row: 0 1 2 3 4 5 - * pin: C7 B1 B2 C6 B4 B5 - * - */ -static void init_rows(void) -{ - DDRC &= ~0b11000000; - DDRB &= ~0b00110110; - PORTC |= 0b11000000; - PORTB |= 0b00110110; -} +#include "gpio.h" static uint8_t read_rows(void) { - return (PINC&(1<<PC7) ? 0 : (1<<0)) | - (PINB&(1<<PB1) ? 0 : (1<<1)) | - (PINB&(1<<PB2) ? 0 : (1<<2)) | - (PINC&(1<<PC6) ? 0 : (1<<3)) | - (PINB&(1<<PB4) ? 0 : (1<<4)) | - (PINB&(1<<PB5) ? 0 : (1<<5)); -} - -/* Row pin configuration - * pin: D3 D7 D6 D5 D4 - * row: off 0 x x x x - * 0 1 0 0 0 0 - * 1 1 0 0 0 1 - * 2 1 0 0 1 0 - * 3 1 0 0 1 1 - * 4 1 0 1 0 0 - * 5 1 0 1 0 1 - * 6 1 0 1 1 0 - * 7 1 0 1 1 1 - * 8 1 1 0 0 0 - * 9 1 1 0 0 1 - * 10 1 1 0 1 0 - * 11 1 1 0 1 1 - * 12 1 1 1 0 0 - * 13 1 1 1 0 1 - * 14 1 1 1 1 0 - * 15 1 1 1 1 1 - */ -static void unselect_cols(void) -{ - // output high(DDR:1, PORT:1) to unselect - DDRB |= (1 << PD3); - PORTB |= (1 << PD3); + return (readPin(C7) ? 0 : 1) | + (readPin(B1) ? 0 : 2) | + (readPin(B2) ? 0 : 4) | + (readPin(C6) ? 0 : 8) | + (readPin(B4) ? 0 : 16) | + (readPin(B5) ? 0 : 32); } static void select_col(uint8_t col) { - DDRD |= (1<<PD3 | 1<<PD4 | 1<<PD5 | 1<<PD6 | 1<<PD7); - - PORTD &= ~(1<<PD3); + writePinLow(D3); + + writePin(D4, (col & 1)); + writePin(D5, (col & 2)); + writePin(D6, (col & 4)); + writePin(D7, (col & 8)); +} + +static void unselect_cols(void) { + writePinHigh(D3); +} + +void matrix_init_custom(void) { + /* 74HC154 col pin configuration + * pin: D3 D7 D6 D5 D4 + * row: off 0 x x x x + * 0 1 0 0 0 0 + * 1 1 0 0 0 1 + * 2 1 0 0 1 0 + * 3 1 0 0 1 1 + * 4 1 0 1 0 0 + * 5 1 0 1 0 1 + * 6 1 0 1 1 0 + * 7 1 0 1 1 1 + * 8 1 1 0 0 0 + * 9 1 1 0 0 1 + * 10 1 1 0 1 0 + * 11 1 1 0 1 1 + * 12 1 1 1 0 0 + * 13 1 1 1 0 1 + * 14 1 1 1 1 0 + * 15 1 1 1 1 1 + */ + setPinOutput(D3); + writePinHigh(D3); + + setPinOutput(D4); + setPinOutput(D5); + setPinOutput(D6); + setPinOutput(D7); + + + /* Row pin configuration + * + * row: 0 1 2 3 4 5 + * pin: C7 B1 B2 C6 B4 B5 + * + */ + setPinInputHigh(C7); + setPinInputHigh(B1); + setPinInputHigh(B2); + setPinInputHigh(C6); + setPinInputHigh(B4); + setPinInputHigh(B5); +} + +bool matrix_scan_custom(matrix_row_t current_matrix[]) { + bool changed = false; + + for (uint8_t col = 0; col < MATRIX_COLS; col++) { + select_col(col); + matrix_io_delay(); + uint8_t rows = read_rows(); + + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { + bool prev_bit = current_matrix[row] & ((matrix_row_t)1 << col); + bool curr_bit = rows & (1 << row); + + if (prev_bit != curr_bit) { + current_matrix[row] ^= ((matrix_row_t)1 << col); + changed = true; + } + } + unselect_cols(); + } - if (col & (1<<0)) { - PORTD |= (1<<PD4); - } - else { - PORTD &= ~(1<<PD4); - } - if (col & (1<<1)) { - PORTD |= (1<<PD5); - } - else { - PORTD &= ~(1<<PD5); - } - if (col & (1<<2)) { - PORTD |= (1<<PD6); - } - else { - PORTD &= ~(1<<PD6); - } - if (col & (1<<3)) { - PORTD |= (1<<PD7); - } - else { - PORTD &= ~(1<<PD7); - } + return changed; } |