ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

atomic

Browse source
This commit is contained in:
Jack Humbert 2015-08-16 17:56:56 -04:00
parent c9cbff446f
commit b2d4969f8f
32 changed files with 2638 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

269
keyboard/atomic/matrix_center.c Normal file
View file

@ -0,0 +1,269 @@
/*
Copyright 2012 Jun Wako <wakojun@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 "analog.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 init_encoder(void);
static void init_pot(void);
static void unselect_rows(void);
static void select_row(uint8_t row);
int16_t analogRead(uint8_t pin);
uint8_t state;
int32_t position;
int16_t value;
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
unselect_rows();
init_cols();
init_encoder();
init_pot();
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
matrix[i] = 0;
matrix_debouncing[i] = 0;
}
}
static void init_encoder(void)
{
DDRC &= ~(1<<6 | 1<<7);
PORTC |= (1<<6 | 1<<7);
uint8_t s = 0;
_delay_ms(1);
if (PINC&(1<<6)) s |= 1;
if (PINC&(1<<7)) s |= 2;
state = s;
position = 0;
}
void read_encoder(void)
{
uint8_t s = state & 3;
if (PINC&(1<<6)) s |= 4;
if (PINC&(1<<7)) s |= 8;
state = (s >> 2);
switch (s) {
case 1: case 7: case 8: case 14:
position++;
break;
case 2: case 4: case 11: case 13:
position--;
break;
case 3: case 12:
position += 2;
break;
case 6: case 9:
position -= 2;
break;
}
}
#define HEX(n) (((n) < 10) ? ((n) + '0') : ((n) + 'A' - 10))
static void init_pot(void)
{
// DDRD &= ~(1<<4);
// PORTD |= (1<<4);
// DIDR2 = (1<<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];
}
}
}
read_encoder();
if (position >= 2) {
register_code(KC_AUDIO_VOL_UP);
unregister_code(KC_AUDIO_VOL_UP);
position = 0;
} else if (position <= -2) {
register_code(KC_AUDIO_VOL_DOWN);
unregister_code(KC_AUDIO_VOL_DOWN);
position = 0;
}
uint16_t val = analogRead(11);
debug("analogRead: "); debug_hex(val); debug("\n");
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;
}
/* Column pin configuration
* col: 0 1 2 3 4 5 6 7 8 9 10 11
* pin: F0 F1 F4 F5 F6 F7 B6 B5 B4 D7 D5 D4
*/
static void init_cols(void)
{
DDRF &= ~(1<<0 | 1<<1 | 1<<4 | 1<<5 | 1<<6 | 1<<7);
PORTF |= (1<<0 | 1<<1 | 1<<4 | 1<<5 | 1<<6 | 1<<7);
DDRD &= ~(1<<0);
PORTD |= (1<<0);
DDRB &= ~(1<<0 | 1<<1 | 1<<2 | 1<<3 | 1<<7);
PORTB |= (1<<0 | 1<<1 | 1<<2 | 1<<3 | 1<<7);
}
static matrix_row_t read_cols(void)
{
return (PINB&(1<<0) ? 0 : (1<< 0)) |
(PINB&(1<<1) ? 0 : (1<< 1)) |
(PINB&(1<<2) ? 0 : (1<< 2)) |
(PINB&(1<<3) ? 0 : (1<< 3)) |
(PINB&(1<<7) ? 0 : (1<< 4)) |
(PIND&(1<<0) ? 0 : (1<< 5)) |
(PINF&(1<<7) ? 0 : (1<< 6)) |
(PINF&(1<<6) ? 0 : (1<< 7)) |
(PINF&(1<<5) ? 0 : (1<< 8)) |
(PINF&(1<<4) ? 0 : (1<< 9)) |
(PINF&(1<<1) ? 0 : (1<<10)) |
(PINF&(1<<0) ? 0 : (1<<11));
}
/* Row pin configuration
* row: 0 1 2 3
* pin: B0 B1 B2 B3
*/
static void unselect_rows(void)
{
// Hi-Z(DDR:0, PORT:0) to unselect
DDRB &= ~0b01110000;
PORTB &= ~0b01110000;
DDRD &= ~0b10000000;
PORTD &= ~0b10000000;
}
static void select_row(uint8_t row)
{
switch (row) {
case 0:
DDRB |= (1<<6);
PORTB &= ~(1<<6);
break;
case 1:
DDRB |= (1<<5);
PORTB &= ~(1<<5);
break;
case 2:
DDRB |= (1<<4);
PORTB &= ~(1<<4);
break;
case 3:
DDRD |= (1<<7);
PORTD &= ~(1<<7);
break;
}
}