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tmk_keyboard_custom
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New branch for Staryu

old_master
Kai Ryu 9 years ago
parent
152aaab7de
commit
7e9e545aca
9 changed files with 824 additions and 0 deletions
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  1. 155
    0
      keyboard/staryu/Makefile
  2. 120
    0
      keyboard/staryu/Makefile.pjrc
  3. 128
    0
      keyboard/staryu/backlight.c
  4. 80
    0
      keyboard/staryu/config.h
  5. 54
    0
      keyboard/staryu/keymap_common.c
  6. 35
    0
      keyboard/staryu/keymap_common.h
  7. 29
    0
      keyboard/staryu/led.c
  8. 87
    0
      keyboard/staryu/ledmap.c
  9. 136
    0
      keyboard/staryu/matrix.c

+ 155
- 0
keyboard/staryu/Makefile View File

@@ -0,0 +1,155 @@
#----------------------------------------------------------------------------
# On command line:
#
# make all = Make software.
#
# make clean = Clean out built project files.
#
# make coff = Convert ELF to AVR COFF.
#
# make extcoff = Convert ELF to AVR Extended COFF.
#
# make program = Download the hex file to the device.
# Please customize your programmer settings(PROGRAM_CMD)
#
# make teensy = Download the hex file to the device, using teensy_loader_cli.
# (must have teensy_loader_cli installed).
#
# make dfu = Download the hex file to the device, using dfu-programmer (must
# have dfu-programmer installed).
#
# make flip = Download the hex file to the device, using Atmel FLIP (must
# have Atmel FLIP installed).
#
# make dfu-ee = Download the eeprom file to the device, using dfu-programmer
# (must have dfu-programmer installed).
#
# make flip-ee = Download the eeprom file to the device, using Atmel FLIP
# (must have Atmel FLIP installed).
#
# make debug = Start either simulavr or avarice as specified for debugging,
# with avr-gdb or avr-insight as the front end for debugging.
#
# make filename.s = Just compile filename.c into the assembler code only.
#
# make filename.i = Create a preprocessed source file for use in submitting
# bug reports to the GCC project.
#
# To rebuild project do "make clean" then "make all".
#----------------------------------------------------------------------------

# Target file name (without extension).
TARGET = staryu_lufa

# Directory common source filess exist
TOP_DIR = ../..

# Directory keyboard dependent files exist
TARGET_DIR = .

# project specific files
SRC = keymap_common.c \
matrix.c \
led.c \
backlight.c \
ledmap.c

ifdef KEYMAP
SRC := keymap_$(KEYMAP).c $(SRC)
else
SRC := keymap_default.c $(SRC)
endif


CONFIG_H = config.h


# MCU name
#MCU = at90usb1287
MCU = atmega32u2

# Processor frequency.
# This will define a symbol, F_CPU, in all source code files equal to the
# processor frequency in Hz. You can then use this symbol in your source code to
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
# automatically to create a 32-bit value in your source code.
#
# This will be an integer division of F_USB below, as it is sourced by
# F_USB after it has run through any CPU prescalers. Note that this value
# does not *change* the processor frequency - it should merely be updated to
# reflect the processor speed set externally so that the code can use accurate
# software delays.
F_CPU = 16000000


#
# LUFA specific
#
# Target architecture (see library "Board Types" documentation).
ARCH = AVR8

# Input clock frequency.
# This will define a symbol, F_USB, in all source code files equal to the
# input clock frequency (before any prescaling is performed) in Hz. This value may
# differ from F_CPU if prescaling is used on the latter, and is required as the
# raw input clock is fed directly to the PLL sections of the AVR for high speed
# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
# at the end, this will be done automatically to create a 32-bit value in your
# source code.
#
# If no clock division is performed on the input clock inside the AVR (via the
# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
F_USB = $(F_CPU)

# Interrupt driven control endpoint task(+60)
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT


# Boot Section Size in *bytes*
# Teensy halfKay 512
# Teensy++ halfKay 1024
# Atmel DFU loader 4096
# LUFA bootloader 4096
# USBaspLoader 2048
OPT_DEFS += -DBOOTLOADER_SIZE=4096

# Additional definitions from command line
ifdef DEFS
OPT_DEFS += $(foreach DEF,$(DEFS),-D$(DEF))
endif

# Build Options
# comment out to disable the options.
#
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = yes # Console for debug(+400)
COMMAND_ENABLE = yes # Commands for debug and configuration
#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
#NKRO_ENABLE = yes # USB Nkey Rollover
#USB_6KRO_ENABLE = yes # USB 6key Rollover
#PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support
#PS2_USE_USART= yes
#PS2_USE_BUSYWAIT = yes
BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
KEYMAP_IN_EEPROM_ENABLE = yes # Read keymap from eeprom
#KEYMAP_SECTION_ENABLE = yes # Fixed address keymap for keymap editor
SOFTPWM_LED_ENABLE = yes # Enable SoftPWM to drive backlight
FADING_LED_ENABLE = yes # Enable fading backlight
BREATHING_LED_ENABLE = yes # Enable breathing backlight
LEDMAP_ENABLE = yes # Enable LED mapping
LEDMAP_IN_EEPROM_ENABLE = yes # Read LED mapping from eeprom


# Optimize size but this may cause error "relocation truncated to fit"
#EXTRALDFLAGS = -Wl,--relax

# Search Path
VPATH += $(TARGET_DIR)
VPATH += $(TOP_DIR)

include $(TOP_DIR)/protocol/lufa.mk
include $(TOP_DIR)/protocol.mk
include $(TOP_DIR)/common.mk
include $(TOP_DIR)/rules.mk

+ 120
- 0
keyboard/staryu/Makefile.pjrc View File

@@ -0,0 +1,120 @@
#----------------------------------------------------------------------------
# On command line:
#
# make all = Make software.
#
# make clean = Clean out built project files.
#
# make coff = Convert ELF to AVR COFF.
#
# make extcoff = Convert ELF to AVR Extended COFF.
#
# make program = Download the hex file to the device.
# Please customize your programmer settings(PROGRAM_CMD)
#
# make teensy = Download the hex file to the device, using teensy_loader_cli.
# (must have teensy_loader_cli installed).
#
# make dfu = Download the hex file to the device, using dfu-programmer (must
# have dfu-programmer installed).
#
# make flip = Download the hex file to the device, using Atmel FLIP (must
# have Atmel FLIP installed).
#
# make dfu-ee = Download the eeprom file to the device, using dfu-programmer
# (must have dfu-programmer installed).
#
# make flip-ee = Download the eeprom file to the device, using Atmel FLIP
# (must have Atmel FLIP installed).
#
# make debug = Start either simulavr or avarice as specified for debugging,
# with avr-gdb or avr-insight as the front end for debugging.
#
# make filename.s = Just compile filename.c into the assembler code only.
#
# make filename.i = Create a preprocessed source file for use in submitting
# bug reports to the GCC project.
#
# To rebuild project do "make clean" then "make all".
#----------------------------------------------------------------------------

# Target file name (without extension).
TARGET = staryu_pjrc

# Directory common source filess exist
TOP_DIR = ../..

# Directory keyboard dependent files exist
TARGET_DIR = .

# project specific files
SRC = keymap_common.c \
matrix.c \
led.c \
backlight.c \
ledmap.c

ifdef KEYMAP
SRC := keymap_$(KEYMAP).c $(SRC)
else
SRC := keymap_default.c $(SRC)
endif

CONFIG_H = config.h


# MCU name, you MUST set this to match the board you are using
# type "make clean" after changing this, so all files will be rebuilt
MCU = atmega32u2
#MCU = at90usb1286


# Processor frequency.
# Normally the first thing your program should do is set the clock prescaler,
# so your program will run at the correct speed. You should also set this
# variable to same clock speed. The _delay_ms() macro uses this, and many
# examples use this variable to calculate timings. Do not add a "UL" here.
F_CPU = 16000000


# Boot Section Size in *bytes*
# Teensy halfKay 512
# Atmel DFU loader 4096
# LUFA bootloader 4096
OPT_DEFS += -DBOOTLOADER_SIZE=4096

# Additional definitions from command line
ifdef DEFS
OPT_DEFS += $(foreach DEF,$(DEFS),-D$(DEF))
endif

# Build Options
# comment out to disable the options.
#
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = yes # Console for debug(+400)
COMMAND_ENABLE = yes # Commands for debug and configuration
#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
#NKRO_ENABLE = yes # USB Nkey Rollover
#USB_6KRO_ENABLE = yes # USB 6key Rollover
#PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support
#PS2_USE_BUSYWAIT = yes
BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
KEYMAP_IN_EEPROM_ENABLE = yes # Read keymap from eeprom
#KEYMAP_SECTION_ENABLE = yes # Fixed address keymap for keymap editor
SOFTPWM_LED_ENABLE = yes # Enable SoftPWM to drive backlight
FADING_LED_ENABLE = yes # Enable fading backlight
BREATHING_LED_ENABLE = yes # Enable breathing backlight
LEDMAP_ENABLE = yes # Enable LED mapping
LEDMAP_IN_EEPROM_ENABLE = yes # Read LED mapping from eeprom


# Search Path
VPATH += $(TARGET_DIR)
VPATH += $(TOP_DIR)

include $(TOP_DIR)/protocol/pjrc.mk
include $(TOP_DIR)/common.mk
include $(TOP_DIR)/rules.mk

+ 128
- 0
keyboard/staryu/backlight.c View File

@@ -0,0 +1,128 @@
/*
Copyright 2014 Kai Ryu <[email protected]>

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 <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include "backlight.h"
#include "softpwm_led.h"
#include "keymap_common.h"

#ifdef BACKLIGHT_ENABLE

static const uint8_t backlight_table[] PROGMEM = {
0, 16, 128, 255
};

static uint8_t backlight_mode;

void backlight_set(uint8_t level)
{
backlight_mode = level;
switch (level) {
case 1:
case 2:
case 3:
softpwm_led_enable();
fading_led_disable_all();
breathing_led_disable_all();
softpwm_led_set_all(pgm_read_byte(&backlight_table[level]));
break;
case 4:
case 5:
case 6:
softpwm_led_enable();
breathing_led_enable_all();
fading_led_disable_all();
breathing_led_set_duration(6 - level);
break;
case 7:
softpwm_led_enable();
fading_led_enable_all();
breathing_led_disable_all();
fading_led_set_direction(FADING_LED_FADE_IN);
fading_led_set_duration(3);
break;
case 8:
softpwm_led_enable();
fading_led_enable_all();
breathing_led_disable_all();
fading_led_set_direction(FADING_LED_FADE_OUT);
fading_led_set_duration(3);
break;
case 0:
default:
fading_led_disable_all();
breathing_led_disable_all();
softpwm_led_enable();
break;
}
}


#ifndef LEDMAP_ENABLE
void softpwm_led_init(void)
{
DDRC |= (1<<PC2 | 1<<PC7);
DDRD |= (1<<PD5 | 1<<PD6);
DDRB |= (1<<PB0);
}

void softpwm_led_on(uint8_t index)
{
switch (index) {
case 0:
PORTC |= (1<<PC2);
break;
case 1:
PORTC |= (1<<PC7);
break;
case 2:
PORTD |= (1<<PD5);
break;
case 3:
PORTD |= (1<<PD6);
break;
case 4:
PORTB |= (1<<PB0);
break;
}
}

void softpwm_led_off(uint8_t index)
{
switch (index) {
case 0:
PORTC &= ~(1<<PC2);
break;
case 1:
PORTC &= ~(1<<PC7);
break;
case 2:
PORTD &= ~(1<<PD5);
break;
case 3:
PORTD &= ~(1<<PD6);
break;
case 4:
PORTB &= ~(1<<PB0);
break;
}
}
#endif

#endif

+ 80
- 0
keyboard/staryu/config.h View File

@@ -0,0 +1,80 @@
/*
Copyright 2015 Kai Ryu <[email protected]>

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/>.
*/

#ifndef CONFIG_H
#define CONFIG_H


/* USB Device descriptor parameter */
#define VENDOR_ID 0x8133
#define PRODUCT_ID 0x0120
#define DEVICE_VER 0x0103
#define MANUFACTURER Noukensha
#define PRODUCT Staryu
#define DESCRIPTION t.m.k. keyboard firmware for Staryu

/* key matrix size */
#define MATRIX_ROWS 1
#define MATRIX_COLS 5

/* keymap in eeprom */
#define FN_ACTIONS_COUNT 32
#define KEYMAPS_COUNT 32

/* define if matrix has ghost */
//#define MATRIX_HAS_GHOST

/* Set 0 if debouncing isn't needed */
#define DEBOUNCE 5

/* number of backlight levels */
#define BACKLIGHT_LEVELS 8

/* number of LEDs */
#define LED_COUNT 5

/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
#define LOCKING_SUPPORT_ENABLE

/* Locking resynchronize hack */
#define LOCKING_RESYNC_ENABLE

/* key combination for command */
#define IS_COMMAND() ( \
keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
)


/*
* Feature disable options
* These options are also useful to firmware size reduction.
*/

/* disable debug print */
//#define NO_DEBUG

/* disable print */
//#define NO_PRINT

/* disable action features */
//#define NO_ACTION_LAYER
//#define NO_ACTION_TAPPING
//#define NO_ACTION_ONESHOT
//#define NO_ACTION_MACRO
//#define NO_ACTION_FUNCTION

#endif

+ 54
- 0
keyboard/staryu/keymap_common.c View File

@@ -0,0 +1,54 @@
/*
Copyright 2015 Kai Ryu <[email protected]>

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 <avr/pgmspace.h>
#include "keymap.h"
#include "keymap_in_eeprom.h"
#include "keymap_common.h"


/* translates key to keycode */
uint8_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
{
#ifndef KEYMAP_IN_EEPROM_ENABLE
return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]);
#else
return eeconfig_read_keymap_key(layer, key.row, key.col);
#endif
}

/* translates Fn keycode to action */
action_t keymap_fn_to_action(uint8_t keycode)
{
return (action_t) {
#ifndef KEYMAP_IN_EEPROM_ENABLE
.code = pgm_read_word(&fn_actions[FN_INDEX(keycode)])
#else
.code = eeconfig_read_keymap_fn_action(FN_INDEX(keycode))
#endif
};
}

#ifdef KEYMAP_IN_EEPROM_ENABLE
const uint8_t* keymaps_pointer(void) {
return (const uint8_t*)keymaps;
}

const uint16_t* fn_actions_pointer(void) {
return fn_actions;
}
#endif

+ 35
- 0
keyboard/staryu/keymap_common.h View File

@@ -0,0 +1,35 @@
/*
Copyright 2015 Kai Ryu <[email protected]>

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/>.
*/

#ifndef KEYMAP_COMMON_H
#define KEYMAP_COMMON_H

#include <stdint.h>

extern const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
extern const uint16_t fn_actions[];

/* Staryu keymap definition macro
*/
#define KEYMAP( \
SW1, SW2, \
SW5, SW4, SW3 \
) { \
{ KC_##SW1, KC_##SW2, KC_##SW3, KC_##SW4, KC_##SW5 } \
}

#endif

+ 29
- 0
keyboard/staryu/led.c View File

@@ -0,0 +1,29 @@
/*
Copyright 2015 Kai Ryu <[email protected]>

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 <avr/io.h>
#include "stdint.h"
#include "bootloader.h"
#include "timer.h"
#include "led.h"


#ifndef LEDMAP_ENABLE
void led_set(uint8_t usb_led)
{
}
#endif

+ 87
- 0
keyboard/staryu/ledmap.c View File

@@ -0,0 +1,87 @@
/*
Copyright 2015 Kai Ryu <[email protected]>

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 <avr/pgmspace.h>
#include "ledmap.h"


#ifdef LEDMAP_ENABLE

static const uint16_t ledmaps[LED_COUNT] PROGMEM = {
[0] = LEDMAP_BACKLIGHT,
[1] = LEDMAP_BACKLIGHT,
[2] = LEDMAP_BACKLIGHT,
[3] = LEDMAP_BACKLIGHT,
[4] = LEDMAP_BACKLIGHT
};

ledmap_t ledmap_get_code(uint8_t index)
{
return (ledmap_t) { .code = pgm_read_word(&ledmaps[index]) };
}

void ledmap_led_init(void)
{
DDRC |= (1<<PC2 | 1<<PC7);
DDRD |= (1<<PD5 | 1<<PD6);
DDRB |= (1<<PB0);
}

void ledmap_led_on(uint8_t index)
{
switch (index) {
case 0:
PORTC |= (1<<PC2);
break;
case 1:
PORTC |= (1<<PC7);
break;
case 2:
PORTD |= (1<<PD5);
break;
case 3:
PORTD |= (1<<PD6);
break;
case 4:
PORTB |= (1<<PB0);
break;
}
}

void ledmap_led_off(uint8_t index)
{
switch (index) {
case 0:
PORTC &= ~(1<<PC2);
break;
case 1:
PORTC &= ~(1<<PC7);
break;
case 2:
PORTD &= ~(1<<PD5);
break;
case 3:
PORTD &= ~(1<<PD6);
break;
case 4:
PORTB &= ~(1<<PB0);
break;
}
}

#endif


+ 136
- 0
keyboard/staryu/matrix.c View File

@@ -0,0 +1,136 @@
/*
Copyright 2015 Kai Ryu <[email protected]>

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 "timer.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "matrix.h"
#include "keymap_common.h"


#ifndef DEBOUNCE
# define DEBOUNCE 5
#endif
static uint8_t debouncing = DEBOUNCE;

/* matrix state(1:on, 0:off) */
static matrix_row_t matrix = 0;
static matrix_row_t matrix_debouncing = 0;

static matrix_row_t read_cols(void);
static void init_cols(void);

inline
uint8_t matrix_rows(void)
{
return MATRIX_ROWS;
}

inline
uint8_t matrix_cols(void)
{
return MATRIX_COLS;
}

void matrix_init(void)
{
// initialize cols
init_cols();
}

uint8_t matrix_scan(void)
{
matrix_row_t cols = read_cols();
if (matrix_debouncing != cols) {
matrix_debouncing = cols;
if (debouncing) {
debug("bounce!: "); debug_hex(debouncing); debug("\n");
}
debouncing = DEBOUNCE;
}

if (debouncing) {
if (--debouncing) {
_delay_ms(1);
} else {
matrix = matrix_debouncing;
}
}

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 & ((matrix_row_t)1<<col));
}

inline
matrix_row_t matrix_get_row(uint8_t row)
{
return matrix;
}

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)
{
return bitpop16(matrix);
}

/* Column pin configuration
* col: 0 1 2 3 4
* pin: D0 D1 D2 D3 D4
*/
static void init_cols(void)
{
// Input with pull-up(DDR:0, PORT:1)
DDRD &= ~(1<<PD0 | 1<<PD1 | 1<<PD2 | 1<<PD3 | 1<<PD4);
PORTD |= (1<<PD0 | 1<<PD1 | 1<<PD2 | 1<<PD3 | 1<<PD4);
}

/* Column pin configuration
* col: 0 1 2 3 4
* pin: D0 D1 D2 D3 D4
*/
static matrix_row_t read_cols(void)
{
return (~PIND) & 0b00011111;
}