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Added Initial files for gh60.

tags/v1.9
tmk 11 years ago
parent
6ebe99f37c
commit
c009f4643c
6 changed files with 706 additions and 0 deletions
Split View Show Diff Stats
  1. 120
    0
      keyboard/gh60/Makefile.lufa
  2. 90
    0
      keyboard/gh60/Makefile.pjrc
  3. 50
    0
      keyboard/gh60/config.h
  4. 187
    0
      keyboard/gh60/keymap.c
  5. 34
    0
      keyboard/gh60/led.c
  6. 225
    0
      keyboard/gh60/matrix.c

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keyboard/gh60/Makefile.lufa View File

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#----------------------------------------------------------------------------
# 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 = gh60_lufa

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

# Directory keyboard dependent files exist
TARGET_DIR = .


# List C source files here. (C dependencies are automatically generated.)
SRC += keymap.c \
matrix.c \
led.c

CONFIG_H = config.h


# MCU name
#MCU = at90usb1287
MCU = atmega32u4

# 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)


# Build Options
# comment out to disable the options.
#
#MOUSEKEY_ENABLE = yes # Mouse keys
EXTRAKEY_ENABLE = yes # Audio control and System control
CONSOLE_ENABLE = yes # Console for debug
#NKRO_ENABLE = yes # USB Nkey Rollover - not yet supported in LUFA
#PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support


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


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

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

+ 90
- 0
keyboard/gh60/Makefile.pjrc View File

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#----------------------------------------------------------------------------
# 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 = gh60_pjrc

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

# Directory keyboard dependent files exist
TARGET_DIR = .

# keyboard dependent files
SRC = keymap.c \
matrix.c \
led.c

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 = at90usb162 # Teensy 1.0
MCU = atmega32u4 # Teensy 2.0
#MCU = at90usb646 # Teensy++ 1.0
#MCU = at90usb1286 # Teensy++ 2.0


# 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


# Build Options
# comment out to disable the options.
#
#MOUSEKEY_ENABLE = yes # Mouse keys
#PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support
EXTRAKEY_ENABLE = yes # Audio control and System control
NKRO_ENABLE = yes # USB Nkey Rollover
CONSOLE_ENABLE = yes # Console for debug


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

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

+ 50
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keyboard/gh60/config.h View File

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/*
Copyright 2012 Jun Wako <[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 0xFEED
#define PRODUCT_ID 0x6060
#define DEVICE_VER 0x0001
#define MANUFACTURER geekhack
#define PRODUCT GH60


/* message strings */
#define DESCRIPTION t.m.k. keyboard firmware for GH60


/* matrix size */
#define MATRIX_ROWS 5
#define MATRIX_COLS 14

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

/* Set 0 if need no debouncing */
#define DEBOUNCE 5


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

#endif

+ 187
- 0
keyboard/gh60/keymap.c View File

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/*
Copyright 2012 Jun Wako <[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 <stdint.h>
#include <stdbool.h>
#include <avr/pgmspace.h>
#include "keycode.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "keymap.h"


#define KEYMAP( \
K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, K0D, \
K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K1D, \
K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2C, K2D, \
K30, K31, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B, K3C, K3D, \
K40, K41, K42, K45, K4A, K4B, K4C, K4D \
) { \
{ KC_##K00, KC_##K01, KC_##K02, KC_##K03, KC_##K04, KC_##K05, KC_##K06, KC_##K07, KC_##K08, KC_##K09, KC_##K0A, KC_##K0B, KC_##K0C, KC_##K0D }, \
{ KC_##K10, KC_##K11, KC_##K12, KC_##K13, KC_##K14, KC_##K15, KC_##K16, KC_##K17, KC_##K18, KC_##K19, KC_##K1A, KC_##K1B, KC_##K1C, KC_##K1D }, \
{ KC_##K20, KC_##K21, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_##K26, KC_##K27, KC_##K28, KC_##K29, KC_##K2A, KC_##K2B, KC_##K2C, KC_##K2D }, \
{ KC_##K30, KC_##K31, KC_##K32, KC_##K33, KC_##K34, KC_##K35, KC_##K36, KC_##K37, KC_##K38, KC_##K39, KC_##K3A, KC_##K3B, KC_##K3C, KC_##K3D }, \
{ KC_##K40, KC_##K41, KC_##K42, KC_NO, KC_NO, KC_##K45, KC_NO, KC_NO, KC_NO, KC_NO, KC_##K4A, KC_##K4B, KC_##K4C, KC_##K4D } \
}

#define KEYCODE(layer, row, col) (pgm_read_byte(&keymaps[(layer)][(row)][(col)]))


// Assign Fn key(0-7) to a layer to which switch with the Fn key pressed.
static const uint8_t PROGMEM fn_layer[] = {
0, // Fn0
1, // Fn1
2, // Fn2
3, // Fn3
4, // Fn4
0, // Fn5
3, // Fn6
3 // Fn7
};

// Assign Fn key(0-7) to a keycode sent when release Fn key without use of the layer.
// See layer.c for details.
static const uint8_t PROGMEM fn_keycode[] = {
KC_NO, // Fn0
KC_NO, // Fn1
KC_SLSH, // Fn2
KC_SCLN, // Fn3
KC_SPC, // Fn4
KC_NO, // Fn5
KC_NO, // Fn6
KC_NO // Fn7
};

static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Layer 0: Default Layer
* ,-----------------------------------------------------------.
* |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Backsp |
* |-----------------------------------------------------------|
* |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| \|
* |-----------------------------------------------------------|
* |Caps | A| S| D| F| G| H| J| K| L| ;| '|Return |
* |-----------------------------------------------------------|
* |Shift | Z| X| C| V| B| N| M| ,| .| /| Shift |
* |-----------------------------------------------------------|
* |Ctrl|Gui |Alt | Space |Alt |Gui |App |Ctrl|
* `-----------------------------------------------------------'
*/
KEYMAP(ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSPC, \
TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC,BSLS, \
CAPS,A, S, D, F, G, H, J, K, L, SCLN,QUOT,NO, ENT, \
LSFT,NO, Z, X, C, V, B, N, M, COMM,DOT, SLSH,NO, RSFT, \
LCTL,LGUI,LALT, SPC, RALT,GRV, FN6, RCTL),


#if 0
/* Layer 1: HHKB mode (HHKB Fn)
* ,-----------------------------------------------------------.
* |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Delete |
* |-----------------------------------------------------------|
* |Caps | | | | | | | |Psc|Slk|Pus|Up | | |
* |-----------------------------------------------------' |
* |Contro|VoD|VoU|Mut| | | *| /|Hom|PgU|Lef|Rig|Enter |
* |-----------------------------------------------------------|
* |Shift | | | | | | +| -|End|PgD|Dow|Shift |xxx|
* |-----------------------------------------------------------|
* | |Gui |Alt | |Alt |Gui| | |Ctr|
* `-----------------------------------------------------------'
*/
KEYMAP(PWR, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, DEL, \
CAPS,NO, NO, NO, NO, NO, NO, NO, PSCR,SLCK,BRK, UP, INS, NLCK,\
LCTL,VOLD,VOLU,MUTE,NO, NO, PAST,PSLS,HOME,PGUP,LEFT,RGHT,ENT, \
LSFT,NO, NO, NO, NO, NO, PPLS,PMNS,END, PGDN,DOWN,RSFT,FN1, \
NO, LGUI,LALT,SPC, RALT,NO, NO, NO, RCTL),


/* Layer 2: Vi mode (Quote/Rmeta)
* ,-----------------------------------------------------------.
* | `| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12| ` |
* |-----------------------------------------------------------|
* | \ |Hom|PgD|Up |PgU|End|Hom|PgD|PgU|End| | | | |
* |-----------------------------------------------------' |
* |Contro| |Lef|Dow|Rig| |Lef|Dow|Up |Rig| | | \ |
* |-----------------------------------------------------------|
* |Shift | | | | | |Hom|PgD|PgU|End|xxx|Shift | |
* |-----------------------------------------------------------|
* | |Gui |Alt |Space |Alt |Gui|Fn6|Fn6|Ctr|
* `-----------------------------------------------------------'
*/
KEYMAP(GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, GRV, \
BSLS,HOME,PGDN,UP, PGUP,END, HOME,PGDN,PGUP,END, NO, NO, NO, NO, \
LCTL,NO, LEFT,DOWN,RGHT,NO, LEFT,DOWN,UP, RGHT,NO, NO, BSLS, \
LSFT,NO, NO, NO, NO, NO, HOME,PGDN,PGUP,END, FN2, RSFT,NO, \
NO, LGUI,LALT,SPC, RALT,RGUI,FN6, FN6, RCTL),


/* Layer 3: Mouse mode (Semicolon)
* ,-----------------------------------------------------------.
* | `| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12| ` |
* |-----------------------------------------------------------|
* | \ |MwL|MwD|McU|MwU|MwR|MwL|MwD|MwU|MwR| | | | |
* |-----------------------------------------------------' |
* |Contro| |McL|McD|McR| |McL|McD|McU|McR|xxx| | \ |
* |-----------------------------------------------------------|
* |Shift | | |Mb1|Mb2|Mb3|Mb2|Mb1| | | |Shift | |
* |-----------------------------------------------------------|
* |xxx|Gui |Alt |Mb1 |Alt | | | | |
* `-----------------------------------------------------------'
* Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel
*/
KEYMAP(GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, GRV, \
BSLS,WH_L,WH_D,MS_U,WH_U,WH_R,WH_L,WH_D,WH_U,WH_R,NO, NO, NO, NO, \
LCTL,NO, MS_L,MS_D,MS_R,NO, MS_L,MS_D,MS_U,MS_R,FN3, NO, BSLS, \
LSFT,NO, NO, BTN1,BTN2,BTN3,BTN2,BTN1,NO, NO, NO, RSFT,NO, \
FN7, LGUI,LALT,BTN1,RALT,NO, FN6, FN6, NO),


/* Layer 4: Matias half keyboard style (Space)
* ,-----------------------------------------------------------.
* |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Delete |
* |-----------------------------------------------------------|
* |Backs| P| O| I| U| Y| T| R| E| W| Q|Tab|Tab| |
* |-----------------------------------------------------' |
* |Contro| ;| L| K| J| H| G| F| D| S| A|Con|Control |
* |-----------------------------------------------------------|
* |Shift | /| .| ,| M| N| B| V| C| X| Z|Shift | |
* |-----------------------------------------------------------|
* | |Gui |Alt |xxxxxxxxxxxxxxxxxxxxxx|Alt |Gui| | |Ctr|
* `-----------------------------------------------------------'
*/
KEYMAP(MINS,0, 9, 8, 7, 6, 5, 4, 3, 2, 1, NO, NO, ESC, \
BSPC,P, O, I, U, Y, T, R, E, W, Q, TAB, TAB, TAB, \
LCTL,SCLN,L, K, J, H, G, F, D, S, A, RCTL,RCTL, \
LSFT,SLSH,DOT, COMM,M, N, B, V, C, X, Z, RSFT,NO, \
NO, LGUI,LALT,FN4, RALT,RGUI,NO, NO, RCTL),
#endif
};


uint8_t keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t col)
{
return KEYCODE(layer, row, col);
}

uint8_t keymap_fn_layer(uint8_t index)
{
return pgm_read_byte(&fn_layer[index]);
}

uint8_t keymap_fn_keycode(uint8_t index)
{
return pgm_read_byte(&fn_keycode[index]);
}

+ 34
- 0
keyboard/gh60/led.c View File

@@ -0,0 +1,34 @@
/*
Copyright 2012 Jun Wako <[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 "led.h"


void led_set(uint8_t usb_led)
{
if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
// output low
DDRB |= (1<<2);
PORTB &= ~(1<<2);
} else {
// Hi-Z
DDRB &= ~(1<<2);
PORTB &= ~(1<<2);
}
}

+ 225
- 0
keyboard/gh60/matrix.c View File

@@ -0,0 +1,225 @@
/*
Copyright 2012 Jun Wako <[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 "print.h"
#include "debug.h"
#include "util.h"
#include "matrix.h"


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

// matrix state buffer(1:on, 0:off)
static uint16_t *matrix;
static uint16_t *matrix_prev;
static uint16_t _matrix0[MATRIX_ROWS];
static uint16_t _matrix1[MATRIX_ROWS];

static uint16_t read_cols(void);
static void init_cols(void);
static void unselect_rows(void);
static void select_row(uint8_t row);


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();

// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0;
for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix1[i] = 0;
matrix = _matrix0;
matrix_prev = _matrix1;
}

uint8_t matrix_scan(void)
{
if (!debouncing) {
uint16_t *tmp = matrix_prev;
matrix_prev = matrix;
matrix = tmp;
}

for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
unselect_rows();
select_row(i);
_delay_us(1); // without this wait read unstable value.
uint16_t cols = ~read_cols();
if (matrix[i] != cols) {
matrix[i] = cols;
if (debouncing) {
debug("bounce!: "); debug_hex(debouncing); print("\n");
}
debouncing = DEBOUNCE;
}
}
unselect_rows();

if (debouncing) {
debouncing--;
_delay_ms(1); // improved affect on bouncing
}

return 1;
}

bool matrix_is_modified(void)
{
if (debouncing) return false;
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
if (matrix[i] != matrix_prev[i]) {
return true;
}
}
return false;
}

inline
bool matrix_has_ghost(void)
{
return false;
}

inline
bool matrix_is_on(uint8_t row, uint8_t col)
{
return (matrix[row] & (1<<col));
}

inline
uint16_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++) {
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 12 13
* pin: F0 F1 E6 C7 C6 B6 D4 B1 B0 B5 B4 D7 D6 B3
*/
static void init_cols(void)
{
// Input with pull-up(DDR:0, PORT:1)
DDRF &= ~(1<<0 | 1<<1);
PORTF |= (1<<0 | 1<<1);
DDRE &= ~(1<<6);
PORTE |= (1<<6);
DDRD &= ~(1<<7 | 1<<6 | 1<<4);
PORTD |= (1<<7 | 1<<6 | 1<<4);
DDRC &= ~(1<<7 | 1<<6);
PORTC |= (1<<7 | 1<<6);
DDRB &= ~(1<<6 | 1<< 5 | 1<<4 | 1<<3 | 1<<1 | 1<<0);
PORTB |= (1<<6 | 1<< 5 | 1<<4 | 1<<3 | 1<<1 | 1<<0);
}

static uint16_t read_cols(void)
{
return (PINF&(1<<0) ? (1<<0) : 0) |
(PINF&(1<<1) ? (1<<1) : 0) |
(PINE&(1<<6) ? (1<<2) : 0) |
(PINC&(1<<7) ? (1<<3) : 0) |
(PINC&(1<<6) ? (1<<4) : 0) |
(PINB&(1<<6) ? (1<<5) : 0) |
(PIND&(1<<4) ? (1<<6) : 0) |
(PINB&(1<<1) ? (1<<7) : 0) |
(PINB&(1<<0) ? (1<<8) : 0) |
(PINB&(1<<5) ? (1<<9) : 0) |
(PINB&(1<<4) ? (1<<10) : 0) |
(PIND&(1<<7) ? (1<<11) : 0) |
(PIND&(1<<6) ? (1<<12) : 0) |
(PINB&(1<<3) ? (1<<13) : 0);
}

/* Row pin configuration
* row: 0 1 2 3 4
* pin: D0 D1 D2 D3 D5
*/
static void unselect_rows(void)
{
// Hi-Z(DDR:0, PORT:0) to unselect
DDRD &= ~0b00101111;
PORTD &= ~0b00101111;
}

static void select_row(uint8_t row)
{
// Output low(DDR:1, PORT:0) to select
switch (row) {
case 0:
DDRD |= (1<<0);
PORTD &= ~(1<<0);
break;
case 1:
DDRD |= (1<<1);
PORTD &= ~(1<<1);
break;
case 2:
DDRD |= (1<<2);
PORTD &= ~(1<<2);
break;
case 3:
DDRD |= (1<<3);
PORTD &= ~(1<<3);
break;
case 4:
DDRD |= (1<<5);
PORTD &= ~(1<<5);
break;
}
}

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