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Diffstat (limited to 'keyboard/preonic/matrix.c')
| -rw-r--r-- | keyboard/preonic/matrix.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/keyboard/preonic/matrix.c b/keyboard/preonic/matrix.c deleted file mode 100644 index 98ef55ed6..000000000 --- a/keyboard/preonic/matrix.c +++ /dev/null @@ -1,234 +0,0 @@ -/* -Copyright 2012 Jun Wako -Generated by planckkeyboard.com (2014 Jack Humbert) - -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 10 -#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) -{ - // To use PORTF disable JTAG with writing JTD bit twice within four cycles. - MCUCR |= (1<<JTD); - MCUCR |= (1<<JTD); - - backlight_init_ports(); - - // Turn status LED on - DDRE |= (1<<6); - PORTE |= (1<<6); - - // 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; -} - -static void init_cols(void) -{ - int B = 0, C = 0, D = 0, E = 0, F = 0; - for(int x = 0; x < MATRIX_COLS; x++) { - int col = COLS[x]; - if ((col & 0xF0) == 0x20) { - B |= (1<<(col & 0x0F)); - } else if ((col & 0xF0) == 0x30) { - C |= (1<<(col & 0x0F)); - } else if ((col & 0xF0) == 0x40) { - D |= (1<<(col & 0x0F)); - } else if ((col & 0xF0) == 0x50) { - E |= (1<<(col & 0x0F)); - } else if ((col & 0xF0) == 0x60) { - F |= (1<<(col & 0x0F)); - } - } - DDRB &= ~(B); PORTB |= (B); - DDRC &= ~(C); PORTC |= (C); - DDRD &= ~(D); PORTD |= (D); - DDRE &= ~(E); PORTE |= (E); - DDRF &= ~(F); PORTF |= (F); -} - -static matrix_row_t read_cols(void) -{ - matrix_row_t result = 0; - for(int x = 0; x < MATRIX_COLS; x++) { - int col = COLS[x]; - if ((col & 0xF0) == 0x20) { - result |= (PINB&(1<<(col & 0x0F)) ? 0 : (1<<x)); - } else if ((col & 0xF0) == 0x30) { - result |= (PINC&(1<<(col & 0x0F)) ? 0 : (1<<x)); - } else if ((col & 0xF0) == 0x40) { - result |= (PIND&(1<<(col & 0x0F)) ? 0 : (1<<x)); - } else if ((col & 0xF0) == 0x50) { - result |= (PINE&(1<<(col & 0x0F)) ? 0 : (1<<x)); - } else if ((col & 0xF0) == 0x60) { - result |= (PINF&(1<<(col & 0x0F)) ? 0 : (1<<x)); - } - } - return result; -} - -static void unselect_rows(void) -{ - int B = 0, C = 0, D = 0, E = 0, F = 0; - for(int x = 0; x < MATRIX_ROWS; x++) { - int row = ROWS[x]; - if ((row & 0xF0) == 0x20) { - B |= (1<<(row & 0x0F)); - } else if ((row & 0xF0) == 0x30) { - C |= (1<<(row & 0x0F)); - } else if ((row & 0xF0) == 0x40) { - D |= (1<<(row & 0x0F)); - } else if ((row & 0xF0) == 0x50) { - E |= (1<<(row & 0x0F)); - } else if ((row & 0xF0) == 0x60) { - F |= (1<<(row & 0x0F)); - } - } - DDRB &= ~(B); PORTB |= (B); - DDRC &= ~(C); PORTC |= (C); - DDRD &= ~(D); PORTD |= (D); - DDRE &= ~(E); PORTE |= (E); - DDRF &= ~(F); PORTF |= (F); -} - -static void select_row(uint8_t row) -{ - int row_pin = ROWS[row]; - if ((row_pin & 0xF0) == 0x20) { - DDRB |= (1<<(row_pin & 0x0F)); - PORTB &= ~(1<<(row_pin & 0x0F)); - } else if ((row_pin & 0xF0) == 0x30) { - DDRC |= (1<<(row_pin & 0x0F)); - PORTC &= ~(1<<(row_pin & 0x0F)); - } else if ((row_pin & 0xF0) == 0x40) { - DDRD |= (1<<(row_pin & 0x0F)); - PORTD &= ~(1<<(row_pin & 0x0F)); - } else if ((row_pin & 0xF0) == 0x50) { - DDRE |= (1<<(row_pin & 0x0F)); - PORTE &= ~(1<<(row_pin & 0x0F)); - } else if ((row_pin & 0xF0) == 0x60) { - DDRF |= (1<<(row_pin & 0x0F)); - PORTF &= ~(1<<(row_pin & 0x0F)); - } -}
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