forked from forks/qmk_firmware
205 lines
4.2 KiB
C
205 lines
4.2 KiB
C
/*
|
|
Copyright 2014 Warren Janssens <warren.janssens@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 "action_layer.h"
|
|
#include "print.h"
|
|
#include "debug.h"
|
|
#include "util.h"
|
|
#include "matrix.h"
|
|
#include "led.h"
|
|
#include "config.h"
|
|
|
|
#ifndef DEBOUNCE
|
|
# define DEBOUNCE 5
|
|
#endif
|
|
static uint8_t debouncing = DEBOUNCE;
|
|
|
|
/* matrix state(1:on, 0:off) */
|
|
static uint8_t matrix[MATRIX_ROWS];
|
|
static uint8_t matrix_debouncing[MATRIX_ROWS];
|
|
|
|
static matrix_row_t read_row(uint8_t row);
|
|
static void unselect_rows(void);
|
|
static void select_rows(uint8_t row);
|
|
|
|
|
|
__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) {
|
|
}
|
|
|
|
inline
|
|
uint8_t matrix_rows(void)
|
|
{
|
|
return MATRIX_ROWS;
|
|
}
|
|
|
|
|
|
inline
|
|
uint8_t matrix_cols(void)
|
|
{
|
|
return MATRIX_COLS;
|
|
}
|
|
|
|
void matrix_init(void)
|
|
{
|
|
//debug_enable = true;
|
|
|
|
//dprint("matrix_init"); dprintln();
|
|
// output high (leds)
|
|
DDRD = 0xFF;
|
|
PORTD = 0xFF;
|
|
|
|
// output low (multiplexers)
|
|
DDRF = 0xFF;
|
|
PORTF = 0x00;
|
|
|
|
// input with pullup (matrix)
|
|
DDRB = 0x00;
|
|
PORTB = 0xFF;
|
|
|
|
// input with pullup (program and keypad buttons)
|
|
DDRC = 0x00;
|
|
PORTC = 0xFF;
|
|
|
|
// initialize row and col
|
|
unselect_rows();
|
|
|
|
// 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_rows(i);
|
|
uint8_t row = read_row(i);
|
|
if (matrix_debouncing[i] != row) {
|
|
matrix_debouncing[i] = row;
|
|
if (debouncing) {
|
|
dprintf("bounce!: %02X\n", debouncing);
|
|
}
|
|
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];
|
|
}
|
|
}
|
|
}
|
|
matrix_scan_kb();
|
|
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 01234567\n");
|
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
|
print_hex8(row); print(": ");
|
|
print_bin_reverse8(matrix_get_row(row));
|
|
print("\n");
|
|
}
|
|
}
|
|
|
|
static matrix_row_t read_row(uint8_t row)
|
|
{
|
|
_delay_us(30); // without this wait read unstable value.
|
|
|
|
//keypad and program buttons
|
|
if (row == 12)
|
|
{
|
|
return ~(PINC | 0b00111111);
|
|
}
|
|
return ~PINB;
|
|
}
|
|
|
|
static void unselect_rows(void)
|
|
{
|
|
// set A,B,C,G to 0 (F4 - F7)
|
|
PORTF &= 0x0F;
|
|
}
|
|
|
|
static void select_rows(uint8_t row)
|
|
{
|
|
// set A,B,C,G to row value
|
|
PORTF |= row << 4;
|
|
}
|
|
|
|
|
|
/* Row pin configuration
|
|
PF0 A
|
|
PF1 B
|
|
PF2 C
|
|
PF3 G 0 = U4, 1 = U5
|
|
|
|
4y0 4y1 4y2 4y3 4y4 4y5 4y6 4y7 5y0 5y1 5y2 5y3 5y4 5y5 5y6 5y7
|
|
r1 r2 r3 r4 r5 r6 r7 r8 r9 r10 r11 r12 r13 r14 r15 r16
|
|
PB0 21 c1 f6 f8 f7 5 4 3 2 1 =+
|
|
PB1 22 c2 f3 f5 f4 t r e w q TAB
|
|
PB2 23 c3 ESC f2 f1 g f d s a CL
|
|
PB3 24 c4 f9 f11 f10 b v c x z LS UP DN [{ ]}
|
|
PB4 25 c5 f12 SL PS RT LT §± `~ 6 7 8 9 0 -_
|
|
PB5 26 c6 PB PGM KPD y u i o p \
|
|
PB6 27 c7 LC DL BS RC EN SP h j k l ;: '"
|
|
PB7 28 c8 RA PU PD n m ,< .> /? RS
|
|
*/
|
|
|
|
|