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Diffstat (limited to 'keyboards/kmini/matrix.c')
| -rwxr-xr-x | keyboards/kmini/matrix.c | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/keyboards/kmini/matrix.c b/keyboards/kmini/matrix.c deleted file mode 100755 index f3e60eb869..0000000000 --- a/keyboards/kmini/matrix.c +++ /dev/null @@ -1,310 +0,0 @@ -/* Copyright 2018 Evy Dekkers - * - * 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/>. - */ -#include <stdint.h> -#include <stdbool.h> -#if defined(__AVR__) -#include <avr/io.h> -#endif -#include "wait.h" -#include "print.h" -#include "debug.h" -#include "util.h" -#include "matrix.h" -#include "timer.h" - - -/* Set 0 if debouncing isn't needed */ -#ifndef DEBOUNCE -# define DEBOUNCE 5 -#endif - -#define COL_SHIFTER ((uint32_t)1) - -static uint16_t debouncing_time; -static bool debouncing = false; - - -static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; - -/* matrix state(1:on, 0:off) */ -static matrix_row_t matrix[MATRIX_ROWS]; -static matrix_row_t matrix_debouncing[MATRIX_ROWS]; - -static void init_rows(void); -static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col); -static void unselect_cols(void); -static void select_col(uint8_t col); - -__attribute__ ((weak)) -void matrix_init_user(void) {} - -__attribute__ ((weak)) -void matrix_scan_user(void) {} - -__attribute__ ((weak)) -void matrix_init_kb(void) { - matrix_init_user(); -} - -__attribute__ ((weak)) -void matrix_scan_kb(void) { - matrix_scan_user(); -} - -inline -uint8_t matrix_rows(void) { - return MATRIX_ROWS; -} - -inline -uint8_t matrix_cols(void) { - return MATRIX_COLS; -} - -void matrix_init(void) { - 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) -{ - // Set col, read rows - for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { - bool matrix_changed = read_rows_on_col(matrix_debouncing, current_col); - if (matrix_changed) { - debouncing = true; - debouncing_time = timer_read(); - } - } - - if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCE)) { - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - matrix[i] = matrix_debouncing[i]; - } - debouncing = false; - } - - matrix_scan_quantum(); - 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 0123456789ABCDEFGHIJKLMNOPQRSTUV \n"); - - for (uint8_t row = 0; row < MATRIX_ROWS; row++) { - print_hex8(row); print(": "); - print_bin_reverse32(matrix_get_row(row)); - print("\n"); - } -} - -static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) -{ - bool matrix_changed = false; - - // Select col and wait for col selecton to stabilize - select_col(current_col); - wait_us(30); - - // For each row... - for(uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) - { - // Store last value of row prior to reading - matrix_row_t last_row_value = current_matrix[row_index]; - - // Check row pin state - // Use the otherwise unused row: 3, col: 0 for caps lock - if (row_index == 2 && current_col == 2) { - // Pin E2 uses active low - if ((_SFR_IO8(E2 >> 4) & _BV(E2 & 0xF)) == 0) - { - // Pin LO, set col bit - current_matrix[row_index] |= (COL_SHIFTER << current_col); - } - else - { - // Pin HI, clear col bit - current_matrix[row_index] &= ~(COL_SHIFTER << current_col); - } - } - else { - if ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF))) - { - // Pin HI, set col bit - current_matrix[row_index] |= (COL_SHIFTER << current_col); - } - else - { - // Pin LO, clear col bit - current_matrix[row_index] &= ~(COL_SHIFTER << current_col); - } - } - - // Determine if the matrix changed state - if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) - { - matrix_changed = true; - } - } - - // Unselect cols - unselect_cols(); - - return matrix_changed; -} - -/* Row pin configuration - * row: 0 1 2 3 4 - * pin: D0 D1 D2 D3 D5 - * - * Caps lock uses its own pin E2 - */ -static void init_rows(void) { - DDRD &= ~((1<<0)| (1<<1) | (1<<2) | (1<<3) | (1<<5)); // IN - PORTD &= ~((1<<0)| (1<<1) | (1<<2) | (1<<3) | (1<<5)); // LO - - DDRE &= ~(1<<2); // IN - PORTE |= (1<<2); // HI -} - -/* Columns 0 - 16 - * col 0: B5 - * col 1: B6 - * These columns use a 74HC237D 3 to 8 bit demultiplexer. - * A B C GL1 - * col / pin: PF0 PF1 PC7 PC6 - * 2: 0 0 0 1 - * 3: 1 0 0 1 - * 4: 0 1 0 1 - * 5: 1 1 0 1 - * 6: 0 0 1 1 - * 7: 1 0 1 1 - * 8: 0 1 1 1 - * 9: 1 1 1 1 - * col 10: E6 - * col 11: B0 - * col 12: B7 - * col 13: D4 - * col 14: D6 - * col 15: D7 - * col 16: B4 - */ -static void unselect_cols(void) { - DDRB |= (1<<5) | (1<<6) | (1<<0) | (1<<7) | (1<<4); // OUT - PORTB &= ~((1<<5) | (1<<6) | (1<<0) | (1<<7) | (1<<4)); // LO - - DDRD |= (1<<4) | (1<<6) | (1<<7); // OUT - PORTD &= ~((1<<4) | (1<<6) | (1<<7)); // LO - - DDRE |= (1<<6); // OUT - PORTE &= ~((1<<6)); // LO - - DDRF |= (1<<0) | (1<<1); // OUT - PORTF &= ~((1<<0) | (1<<1)); // LO - - DDRC |= (1<<7) | (1<<6); // OUT - PORTC &= ~((1<<7) | (1<<6)); // LO -} - -static void select_col(uint8_t col) -{ - switch (col) { - case 0: - PORTB |= (1<<5); // HI - break; - case 1: - PORTB |= (1<<6); // HI - break; - case 2: - PORTC |= (1<<6); // HI - break; - case 3: - PORTC |= (1<<6); // HI - PORTF |= (1<<0); // HI - break; - case 4: - PORTC |= (1<<6); // HI - PORTF |= (1<<1); // HI - break; - case 5: - PORTC |= (1<<6); // HI - PORTF |= (1<<0); // HI - PORTF |= (1<<1); // HI - break; - case 6: - PORTC |= (1<<6); // HI - PORTC |= (1<<7); // HI - break; - case 7: - PORTC |= (1<<6); // HI - PORTF |= (1<<0); // HI - PORTC |= (1<<7); // HI - break; - case 8: - PORTC |= (1<<6); // HI - PORTF |= (1<<1); // HI - PORTC |= (1<<7); // HI - break; - case 9: - PORTC |= (1<<6); // HI - PORTF |= (1<<0); // HI - PORTF |= (1<<1); // HI - PORTC |= (1<<7); // HI - break; - case 10: - PORTE |= (1<<6); // HI - break; - case 11: - PORTB |= (1<<0); // HI - break; - case 12: - PORTB |= (1<<7); // HI - break; - case 13: - PORTD |= (1<<4); // HI - break; - case 14: - PORTD |= (1<<6); // HI - break; - case 15: - PORTD |= (1<<7); // HI - break; - case 16: - PORTB |= (1<<4); // HI - break; - } -} |