mirror of
https://github.com/Keychron/qmk_firmware.git
synced 2024-12-29 21:08:38 +06:00
b73adf0dea
Replacement controller for Filco Majestouch TKL keyboards. matrix.c ported from: https://github.com/BathroomEpiphanies/epiphanies_tmk_keyboard More details: http://bathroomepiphanies.com/controllers/
205 lines
4.3 KiB
C
205 lines
4.3 KiB
C
/*
|
|
Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
|
|
Copyright 2016 Daniel Svensson <dsvensson@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/>.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <avr/io.h>
|
|
#include <util/delay.h>
|
|
#include "wait.h"
|
|
#include "print.h"
|
|
#include "debug.h"
|
|
#include "util.h"
|
|
#include "matrix.h"
|
|
|
|
static uint8_t debouncing = DEBOUNCING_DELAY;
|
|
static matrix_row_t matrix[MATRIX_ROWS];
|
|
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
|
|
|
|
static matrix_row_t read_cols(void);
|
|
static void select_row(uint8_t col);
|
|
|
|
inline uint8_t matrix_rows(void)
|
|
{
|
|
return MATRIX_ROWS;
|
|
}
|
|
|
|
inline uint8_t matrix_cols(void)
|
|
{
|
|
return MATRIX_COLS;
|
|
}
|
|
|
|
void matrix_init(void)
|
|
{
|
|
/* Column output pins */
|
|
DDRD |= 0b01111011;
|
|
/* Row input pins */
|
|
DDRC &= ~0b10000000;
|
|
DDRB &= ~0b01111111;
|
|
PORTC |= 0b10000000;
|
|
PORTB |= 0b01111111;
|
|
|
|
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++) {
|
|
select_row(col);
|
|
wait_us(30);
|
|
matrix_row_t rows = read_cols();
|
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
|
|
bool curr_bit = rows & (1<<row);
|
|
if (prev_bit != curr_bit) {
|
|
matrix_debouncing[row] ^= (matrix_row_t) 1 << col;
|
|
debouncing = DEBOUNCING_DELAY;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (debouncing) {
|
|
if (--debouncing) {
|
|
wait_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)
|
|
{
|
|
if (debouncing)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
inline
|
|
bool matrix_is_on(uint8_t row, uint8_t col)
|
|
{
|
|
return matrix[row] & 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 matrix_row_t read_cols(void)
|
|
{
|
|
return
|
|
(PINB & (1 << 5) ? 0 : 1 << 0) |
|
|
(PINC & (1 << 7) ? 0 : 1 << 1) |
|
|
(PINB & (1 << 4) ? 0 : 1 << 2) |
|
|
(PINB & (1 << 6) ? 0 : 1 << 3) |
|
|
(PINB & (1 << 1) ? 0 : 1 << 4) |
|
|
(PINB & (1 << 0) ? 0 : 1 << 5) |
|
|
(PINB & (1 << 3) ? 0 : 1 << 6) |
|
|
(PINB & (1 << 2) ? 0 : 1 << 7);
|
|
}
|
|
|
|
static void select_row(uint8_t col)
|
|
{
|
|
switch (col) {
|
|
case 0:
|
|
PORTD = (PORTD & ~0b01111011) | 0b00110011;
|
|
break;
|
|
case 1:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01110000;
|
|
break;
|
|
case 2:
|
|
PORTD = (PORTD & ~0b01111011) | 0b00010011;
|
|
break;
|
|
case 3:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01101000;
|
|
break;
|
|
case 4:
|
|
PORTD = (PORTD & ~0b01111011) | 0b00001011;
|
|
break;
|
|
case 5:
|
|
PORTD = (PORTD & ~0b01111011) | 0b00111011;
|
|
break;
|
|
case 6:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01111000;
|
|
break;
|
|
case 7:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01100001;
|
|
break;
|
|
case 8:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01101001;
|
|
break;
|
|
case 9:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01110001;
|
|
break;
|
|
case 10:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01101010;
|
|
break;
|
|
case 11:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01100010;
|
|
break;
|
|
case 12:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01111001;
|
|
break;
|
|
case 13:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01100000;
|
|
break;
|
|
case 14:
|
|
PORTD = (PORTD & ~0b01111011) | 0b01000011;
|
|
break;
|
|
case 15:
|
|
PORTD = (PORTD & ~0b01111011) | 0b00011011;
|
|
break;
|
|
case 16:
|
|
PORTD = (PORTD & ~0b01111011) | 0b00100011;
|
|
break;
|
|
case 17:
|
|
PORTD = (PORTD & ~0b01111011) | 0b00101011;
|
|
break;
|
|
}
|
|
}
|