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-rwxr-xr-xkeyboards/hid_liber/matrix.c265
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diff --git a/keyboards/hid_liber/matrix.c b/keyboards/hid_liber/matrix.c
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--- a/keyboards/hid_liber/matrix.c
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-/* Copyright 2012 Jun Wako <wakojun@gmail.com>: TMK Matrix
- * Copyright 2018 bakageta <amo@bakageta.com>
- *
- * This is heavily based on hid_liber/board.{c|h}.
- * https://github.com/BathroomEpiphanies/AVR-Keyboard
- *
- * Copyright (c) 2012 Fredrik Atmer, Bathroom Epiphanies Inc
- * http://bathroomepiphanies.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/>.
- */
-
-#include <stdint.h>
-#include <stdbool.h>
-#if defined(__AVR__)
-#include <avr/io.h>
-#endif
-#include <util/delay.h>
-#include "wait.h"
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-#include "timer.h"
-
-
-#ifndef DEBOUNCE
-# define DEBOUNCE 5
-#endif
-static uint8_t debouncing = DEBOUNCE;
-
-// bit array of key state(1:on, 0:off)
-static matrix_row_t matrix[MATRIX_ROWS];
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-
-
-#define _DDRA (uint8_t *const)&DDRA
-#define _DDRB (uint8_t *const)&DDRB
-#define _DDRC (uint8_t *const)&DDRC
-#define _DDRD (uint8_t *const)&DDRD
-#define _DDRE (uint8_t *const)&DDRE
-#define _DDRF (uint8_t *const)&DDRF
-
-#define _PINA (uint8_t *const)&PINA
-#define _PINB (uint8_t *const)&PINB
-#define _PINC (uint8_t *const)&PINC
-#define _PIND (uint8_t *const)&PIND
-#define _PINE (uint8_t *const)&PINE
-#define _PINF (uint8_t *const)&PINF
-
-#define _PORTA (uint8_t *const)&PORTA
-#define _PORTB (uint8_t *const)&PORTB
-#define _PORTC (uint8_t *const)&PORTC
-#define _PORTD (uint8_t *const)&PORTD
-#define _PORTE (uint8_t *const)&PORTE
-#define _PORTF (uint8_t *const)&PORTF
-
-#define _BIT0 0x01
-#define _BIT1 0x02
-#define _BIT2 0x04
-#define _BIT3 0x08
-#define _BIT4 0x10
-#define _BIT5 0x20
-#define _BIT6 0x40
-#define _BIT7 0x80
-
-/* Specifies the ports and pin numbers for the rows */
-static
-uint8_t *const row_ddr[MATRIX_ROWS] = {
- _DDRB, _DDRB,
- _DDRC, _DDRC,
- _DDRD, _DDRD, _DDRD, _DDRD, _DDRD, _DDRD, _DDRD, _DDRD,
- _DDRF, _DDRF, _DDRF, _DDRF, _DDRF, _DDRF};
-
-static
-uint8_t *const row_port[MATRIX_ROWS] = {
- _PORTB, _PORTB,
- _PORTC, _PORTC,
- _PORTD, _PORTD, _PORTD, _PORTD, _PORTD, _PORTD, _PORTD, _PORTD,
- _PORTF, _PORTF, _PORTF, _PORTF, _PORTF, _PORTF};
-
-static
-uint8_t *const row_pin[MATRIX_ROWS] = {
- _PINB, _PINB,
- _PINC, _PINC,
- _PIND, _PIND, _PIND, _PIND, _PIND, _PIND, _PIND, _PIND,
- _PINF, _PINF, _PINF, _PINF, _PINF, _PINF};
-
-static
-const uint8_t row_bit[MATRIX_ROWS] = {
- _BIT4, _BIT7,
- _BIT6, _BIT7,
- _BIT0, _BIT1, _BIT2, _BIT3, _BIT4, _BIT5, _BIT6, _BIT7,
- _BIT0, _BIT1, _BIT4, _BIT5, _BIT6, _BIT7};
-
-static
-const uint8_t mask = 0x0E;
-
-/* Specifies the ports and pin numbers for the columns */
-static
-const uint8_t col_bit[MATRIX_COLS] = { 0x00, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0E};
-
-__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) {
-}
-
-static
-inline void pull_column(int col) {
- PORTB = col_bit[col] | (PORTB & ~mask);
-}
-
-static
-inline void release_column(int col) {
-}
-
-/* PORTB is set as input with pull-up resistors
- PORTC,D,E,F are set to high output */
-static
-void setup_io_pins(void) {
- uint8_t row;
- DDRB |= 0x0E;
- PORTB &= ~0x0E;
- for(row = 0; row < MATRIX_ROWS; row++) {
- *row_ddr[row] &= ~row_bit[row];
- *row_port[row] &= ~row_bit[row];
- }
-}
-
-static
-void setup_leds(void) {
- DDRB |= 0x60;
- PORTB |= 0x60;
-}
-
-
-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
- setup_io_pins();
- setup_leds();
-
- // 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++) { // 0-7
- pull_column(col); // output hi on theline
- _delay_us(5); // without this wait it won't read stable value.
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) { // 0-17
- bool prev_bit = matrix_debouncing[row] & (1<<col);
- bool curr_bit = *row_pin[row] & row_bit[row];
- if (prev_bit != curr_bit) {
- matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
- if (debouncing) {
- dprintf("bounce!: %02X\n", debouncing);
- }
- debouncing = DEBOUNCE;
- }
- }
- release_column(col);
- }
-
- 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)
-{
- // NOTE: no longer used
- return true;
-}
-
-inline
-bool matrix_has_ghost(void)
-{
- return false;
-}
-
-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 01234567\n");
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- print_hex8(row); print(": ");
- print_bin_reverse8(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++) {
- for (uint8_t j = 0; j < MATRIX_COLS; j++) {
- if (matrix_is_on(i, j))
- count++;
- }
- }
- return count;
-}