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Diffstat (limited to 'keyboards/amj96/matrix.c')
| -rw-r--r-- | keyboards/amj96/matrix.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/keyboards/amj96/matrix.c b/keyboards/amj96/matrix.c deleted file mode 100644 index 2999c6241b..0000000000 --- a/keyboards/amj96/matrix.c +++ /dev/null @@ -1,204 +0,0 @@ -/* -Copyright 2014 Kai Ryu <kai1103@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" -#ifdef UART_RGB_ENABLE -#include "uart_rgb.h" -#endif - -#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 init_rows(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) -{ - -#ifdef UART_RGB_ENABLE - uart_rgb_init(); -#endif - - // 85 REST - DDRD |= _BV(PD7); - PORTD |= _BV(PD7); - - // initialize row and col - init_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; -} - -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++) { - print_hex8(row); print(": "); - print_bin_reverse16(matrix_get_row(row)); - print("\n"); - } -} - -/* Column pin configuration - * col: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - * pin: F7 F6 F5 F4 F1 F0 E6 D7 D6 D5 D1 D0 B7 B6 B0 C7 - * */ -static void init_cols(void) -{ - // Input with pull-up(DDR:0, PORT:1) - DDRF &= 0b00001100; - PORTF |= 0b11110011; - - DDRD &= 0b00011100; - PORTD |= 0b11100011; - - DDRB &= ~(_BV(PB6) | _BV(PB7)| _BV(PB0)); - PORTB |= (_BV(PB6) | _BV(PB7)| _BV(PB0)); - - DDRE &= ~_BV(PE6); - PORTE |= _BV(PE6); - - DDRC &= ~_BV(PC7); - PORTC |= _BV(PC7); - -} - -static matrix_row_t read_cols(void) -{ - - return (PINF&_BV(PF7) ? 0 : (1<<0)) | - (PINF&_BV(PF6) ? 0 : (1<<1)) | - (PINF&_BV(PF5) ? 0 : (1<<2)) | - (PINF&_BV(PF4) ? 0 : (1<<3)) | - (PINF&_BV(PF1) ? 0 : (1<<4)) | - (PINF&_BV(PF0) ? 0 : (1<<5)) | - (PINE&_BV(PE6) ? 0 : (1<<6)) | - (PIND&_BV(PD7) ? 0 : (1<<7)) | - (PIND&_BV(PD6) ? 0 : (1<<8)) | - (PIND&_BV(PD5) ? 0 : (1<<9)) | - (PIND&_BV(PD1) ? 0 : (1<<10)) | - (PIND&_BV(PD0) ? 0 : (1<<11)) | - (PINB&_BV(PB7) ? 0 : (1<<12)) | - (PINB&_BV(PB6) ? 0 : (1<<13)) | - (PINB&_BV(PB0) ? 0 : (1<<14)) | - (PINC&_BV(PC7) ? 0 : (1<<15)); -} - -/* Row pin configuration - * row: 0 1 2 3 4 5 x - * pin: B3 0 1 0 1 0 1 1 - * B2 0 0 1 1 0 0 1 - * B1 0 0 0 0 1 1 1 - */ - -static void init_rows(void) -{ - DDRB |= (1<<PB1 | 1<<PB2 | 1<<PB3); -} - -static void unselect_rows(void) -{ - // Hi-Z(DDR:0, PORT:0) to unselect - PORTB |= (1<<PB1); - PORTB |= (1<<PB2); - PORTB |= (1<<PB3); -} - -static void select_row(uint8_t row) -{ - // Output low(DDR:1, PORT:0) to select - (row & (1<<0)) ? (PORTB |= (1<<PB3)) : (PORTB &= ~(1<<PB3)); - (row & (1<<1)) ? (PORTB |= (1<<PB2)) : (PORTB &= ~(1<<PB2)); - (row & (1<<2)) ? (PORTB |= (1<<PB1)) : (PORTB &= ~(1<<PB1)); -} |