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Diffstat (limited to 'keyboard/gh60/matrix.c')
| -rw-r--r-- | keyboard/gh60/matrix.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/keyboard/gh60/matrix.c b/keyboard/gh60/matrix.c deleted file mode 100644 index 53a0b731bc..0000000000 --- a/keyboard/gh60/matrix.c +++ /dev/null @@ -1,211 +0,0 @@ -/* -Copyright 2012 Jun Wako <wakojun@gmail.com> - -This program is free software: you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - -/* - * scan matrix - */ -#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; - -/* matrix state(1:on, 0:off) */ -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); -static void unselect_rows(void); -static void select_row(uint8_t row); - - -inline -uint8_t matrix_rows(void) -{ - return MATRIX_ROWS; -} - -inline -uint8_t matrix_cols(void) -{ - return MATRIX_COLS; -} - -void matrix_init(void) -{ - // initialize row and col - unselect_rows(); - init_cols(); - - // initialize matrix state: all keys off - for (uint8_t i=0; i < MATRIX_ROWS; i++) { - matrix[i] = 0; - matrix_debouncing[i] = 0; - } -} - -uint8_t matrix_scan(void) -{ - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - select_row(i); - _delay_us(30); // without this wait read unstable value. - matrix_row_t cols = read_cols(); - if (matrix_debouncing[i] != cols) { - matrix_debouncing[i] = cols; - if (debouncing) { - debug("bounce!: "); debug_hex(debouncing); debug("\n"); - } - debouncing = DEBOUNCE; - } - unselect_rows(); - } - - if (debouncing) { - if (--debouncing) { - _delay_ms(1); - } else { - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - matrix[i] = matrix_debouncing[i]; - } - } - } - - return 1; -} - -bool matrix_is_modified(void) -{ - if (debouncing) return false; - 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++) { - phex(row); print(": "); - pbin_reverse16(matrix_get_row(row)); - print("\n"); - } -} - -uint8_t matrix_key_count(void) -{ - uint8_t count = 0; - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - count += bitpop16(matrix[i]); - } - return count; -} - -/* 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 (Rev.A) - * pin: B7 (Rev.B) - */ -static void init_cols(void) -{ - // Input with pull-up(DDR:0, PORT:1) - DDRF &= ~(1<<0 | 1<<1); - PORTF |= (1<<0 | 1<<1); - DDRE &= ~(1<<6); - PORTE |= (1<<6); - DDRD &= ~(1<<7 | 1<<6 | 1<<4); - PORTD |= (1<<7 | 1<<6 | 1<<4); - DDRC &= ~(1<<7 | 1<<6); - PORTC |= (1<<7 | 1<<6); - 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) -{ - return (PINF&(1<<0) ? 0 : (1<<0)) | - (PINF&(1<<1) ? 0 : (1<<1)) | - (PINE&(1<<6) ? 0 : (1<<2)) | - (PINC&(1<<7) ? 0 : (1<<3)) | - (PINC&(1<<6) ? 0 : (1<<4)) | - (PINB&(1<<6) ? 0 : (1<<5)) | - (PIND&(1<<4) ? 0 : (1<<6)) | - (PINB&(1<<1) ? 0 : (1<<7)) | - ((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)) | - (PIND&(1<<6) ? 0 : (1<<12)) | - (PINB&(1<<3) ? 0 : (1<<13)); -} - -/* Row pin configuration - * row: 0 1 2 3 4 - * pin: D0 D1 D2 D3 D5 - */ -static void unselect_rows(void) -{ - // Hi-Z(DDR:0, PORT:0) to unselect - DDRD &= ~0b00101111; - PORTD &= ~0b00101111; -} - -static void select_row(uint8_t row) -{ - // Output low(DDR:1, PORT:0) to select - switch (row) { - case 0: - DDRD |= (1<<0); - PORTD &= ~(1<<0); - break; - case 1: - DDRD |= (1<<1); - PORTD &= ~(1<<1); - break; - case 2: - DDRD |= (1<<2); - PORTD &= ~(1<<2); - break; - case 3: - DDRD |= (1<<3); - PORTD &= ~(1<<3); - break; - case 4: - DDRD |= (1<<5); - PORTD &= ~(1<<5); - break; - } -} |