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Added Happy Buckling Keyboard.

tags/v1.9
tmk 12 years ago
parent
e6f79b1e5a
commit
f4bff66e91
6 changed files with 658 additions and 0 deletions
Split View Show Diff Stats
  1. 54
    0
      hbk/Makefile
  2. 52
    0
      hbk/config.h
  3. 27
    0
      hbk/controller_teensy.h
  4. 231
    0
      hbk/keymap.c
  5. 24
    0
      hbk/led.c
  6. 270
    0
      hbk/matrix.c

+ 54
- 0
hbk/Makefile View File

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

# Directory common source filess exist
COMMON_DIR = ..

# Directory keyboard dependent files exist
TARGET_DIR = .

# keyboard dependent files
SRC = main.c \
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



#---------------- Programming Options --------------------------
#PROGRAM_CMD = teensy_loader_cli -mmcu=$(MCU) -w -v $(TARGET).hex
PROGRAM_CMD = /opt/dfu-programmer-0.5.2/bin/dfu-programmer $(MCU) erase && \
/opt/dfu-programmer-0.5.2/bin/dfu-programmer $(MCU) flash $(TARGET).hex && \
/opt/dfu-programmer-0.5.2/bin/dfu-programmer $(MCU) start



include $(COMMON_DIR)/pjrc.mk
include $(COMMON_DIR)/common.mk

+ 52
- 0
hbk/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

/* controller configuration */
#include "controller_teensy.h"

#define VENDOR_ID 0xFEED
#define PRODUCT_ID 0xBB00
#define MANUFACTURER t.m.k.
#define PRODUCT Happy Buckling Keyboard
#define DESCRIPTION mod version of IBM Model M keyboard


/* matrix size */
#define MATRIX_ROWS 12
#define MATRIX_COLS 8
/* define if matrix has ghost */
#define MATRIX_HAS_GHOST
/* Set 0 if need no debouncing */
#define DEBOUNCE 10


/* key combination for command */
#define IS_COMMAND() ( \
keyboard_report->mods == (MOD_BIT(KB_LSHIFT) | MOD_BIT(KB_LCTRL) | MOD_BIT(KB_LALT) | MOD_BIT(KB_LGUI)) || \
keyboard_report->mods == (MOD_BIT(KB_LALT) | MOD_BIT(KB_RALT)) \
)


/* mouse keys */
#ifdef MOUSEKEY_ENABLE
# define MOUSEKEY_DELAY_TIME 128
#endif

#endif

+ 27
- 0
hbk/controller_teensy.h View File

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/*
Copyright 2011 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 TEENSY_H
#define TEENSY_H 1

// for Teensy/Teensy++ 2.0
#undef DEBUG_LED
#define DEBUG_LED_CONFIG
#define DEBUG_LED_ON
#define DEBUG_LED_OFF

#endif

+ 231
- 0
hbk/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/>.
*/

/*
* Keymap for Macway mod
*/
#include <stdint.h>
#include <stdbool.h>
#include <avr/pgmspace.h>
#include "usb_keycodes.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "keymap.h"


/*
* Layout: 59key
* ,-----------------------------------------------------------.
* |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =| \| `|
* |-----------------------------------------------------------|
* |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| BS |
* |-----------------------------------------------------------|
* |Contro| A| S| D| F| G| H| J| K| L|Fn3| '|Return |
* |-----------------------------------------------------------|
* |Shift | Z| X| C| V| B| N| M| ,| .|Fn2|Shift |
* |-----------------------------------------------------------|
* |Ctrl | |Alt | Fn4 |Alt | |Fn1 |
* `-----' `---------------------------------------' `-----'
*
* Matrix: 12x8
* | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
* ---+---------+---------+---------+---------+---------+---------+---------+---------
* 0 | | | LCTRL | | | | RCTRL |
* 1 | | LSHIFT | | | | | RSHIFT |
* 2 | | Tab | Grave | 1 | Q | A | Z |
* 3 | | Cpslck | | 2 | W | S | X |
* 4 | | | | 3 | E | D | C |
* 5 | G | T | 5 | 4 | R | F | V | B
* 6 | | Bckspc | | | Key*1 | Bckslsh | Enter | Space
* 7 | H | Y | 6 | 7 | U | J | M | N
* 8 | | Rbrckt | Equal | 8 | I | K | Comma |
* 9 | | | | 9 | O | L | Dot |
* A | | Lbrckt | Minus | 0 | P | Smcolon | | Slash
* B | LALT | | | | | | | RALT
* Key*1 This key locates between Equal and Backspace.
*
* Original matrix here: http://geekhack.org/showthread.php?7767-Wireless-Model-M&p=133911&viewfull=1#post133911
*/
#define KEYMAP( \
K22, K23, K33, K43, K53, K52, K72, K73, K83, K93, KA3, KA2, K82, K64, K61, \
K21, K24, K34, K44, K54, K51, K71, K74, K84, K94, KA4, KA1, K81, K65, \
K31, K25, K35, K45, K55, K50, K70, K75, K85, K95, KA5, KA0, K66, \
K11, K26, K36, K46, K56, K57, K77, K76, K86, K96, KA7, K16, \
K02, KB0, K67, KB7, K06 \
) { \
{ KB_NO, KB_NO, KB_##K02, KB_NO, KB_NO, KB_NO, KB_##K06, KB_NO }, \
{ KB_NO, KB_##K11, KB_NO, KB_NO, KB_NO, KB_NO, KB_##K16, KB_NO }, \
{ KB_NO, KB_##K21, KB_##K22, KB_##K23, KB_##K24, KB_##K25, KB_##K26, KB_NO }, \
{ KB_NO, KB_##K31, KB_NO, KB_##K33, KB_##K34, KB_##K35, KB_##K36, KB_NO }, \
{ KB_NO, KB_NO, KB_NO, KB_##K43, KB_##K44, KB_##K45, KB_##K46, KB_NO }, \
{ KB_##K50, KB_##K51, KB_##K52, KB_##K53, KB_##K54, KB_##K55, KB_##K56, KB_##K57 }, \
{ KB_NO, KB_##K61, KB_NO, KB_NO, KB_##K64, KB_##K65, KB_##K66, KB_##K67 }, \
{ KB_##K70, KB_##K71, KB_##K72, KB_##K73, KB_##K74, KB_##K75, KB_##K76, KB_##K77 }, \
{ KB_NO, KB_##K81, KB_##K82, KB_##K83, KB_##K84, KB_##K85, KB_##K86, KB_NO }, \
{ KB_NO, KB_NO, KB_NO, KB_##K93, KB_##K94, KB_##K95, KB_##K96, KB_NO }, \
{ KB_##KA0, KB_##KA1, KB_##KA2, KB_##KA3, KB_##KA4, KB_##KA5, KB_NO, KB_##KA7 }, \
{ KB_##KB0, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_##KB7 }, \
}

#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
0, // Fn6
0 // 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[] = {
KB_NO, // Fn0
KB_NO, // Fn1
KB_SLSH, // Fn2
KB_SCLN, // Fn3
KB_SPC, // Fn4
KB_NO, // Fn5
KB_NO, // Fn6
KB_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| -| =| \| `|
* |-----------------------------------------------------------|
* |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| BS |
* |-----------------------------------------------------------|
* |Contro| A| S| D| F| G| H| J| K| L|Fn3| '|Return |
* |-----------------------------------------------------------|
* |Shift | Z| X| C| V| B| N| M| ,| .|Fn2|Shift |
* |-----------------------------------------------------------|
* |Ctrl | |Alt | Fn4 |Alt | |Fn1 |
* `-----' `---------------------------------------' `-----'
*/
KEYMAP(ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSLS,GRV, \
TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC,BSPC, \
LCTL,A, S, D, F, G, H, J, K, L, FN3, QUOT,ENT, \
LSFT,Z, X, C, V, B, N, M, COMM,DOT, FN2, FN1, \
LGUI, LALT, FN4, RALT, FN1),


/* Layer 1: HHKB mode (HHKB Fn)
* ,-----------------------------------------------------------.
* |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Ins|Del|
* |-----------------------------------------------------------|
* |Caps | | | | | | | |Psc|Slk|Pus|Up | | |
* |-----------------------------------------------------------|
* |Contro|VoD|VoU|Mut| | | *| /|Hom|PgU|Lef|Rig| |
* |-----------------------------------------------------------|
* |Shift | | | | | | +| -|End|PgD|Dow|Shift |
* |-----------------------------------------------------------|
* |Ctrl | |Alt | Space |Alt | |Fn1 |
* `-----' `---------------------------------------' `-----'
*/
KEYMAP(ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, INS, DEL, \
CAPS,NO, NO, NO, NO, NO, NO, NO, PSCR,SLCK,BRK, UP, NO, NO, \
LCTL,VOLD,VOLU,MUTE,NO, NO, PAST,PSLS,HOME,PGUP,LEFT,RGHT,NO, \
LSFT,NO, NO, NO, NO, NO, PPLS,PMNS,END, PGDN,DOWN,FN1, \
LGUI, LALT, SPC, RALT, FN1),


/* 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 |
* |-----------------------------------------------------------|
* |Ctrl | |Alt | Space |Alt | |Fn1 |
* `-----' `---------------------------------------' `-----'
*/
KEYMAP(GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, NO, NO, \
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, NO, \
LSFT,NO, NO, NO, NO, NO, HOME,PGDN,PGUP,END, FN2, RSFT, \
LGUI, LALT, SPC, RALT, NO),



/* 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 |
* |-----------------------------------------------------------|
* |Ctrl | |Alt | Space |Alt | | |
* `-----' `---------------------------------------' `-----'
* Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel
*/
KEYMAP(GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, NO, NO, \
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, NO, \
LSFT,NO, NO, BTN1,BTN2,BTN3,BTN2,BTN1,NO, NO, NO, RSFT, \
LGUI, LALT, BTN1, RALT, 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 |
* |-----------------------------------------------------------|
* |Contro| ;| L| K| J| H| G| F| D| S| A|Con|Control |
* |-----------------------------------------------------------|
* |Shift | /| .| ,| M| N| B| V| C| X| Z|Shift |
* |-----------------------------------------------------------|
* |Ctrl | |Alt | Fn4 |Alt | | |
* `-----' `---------------------------------------' `-----'
*/
KEYMAP(MINS,0, 9, 8, 7, 6, 5, 4, 3, 2, 1, NO, NO, NO, ESC, \
BSPC,P, O, I, U, Y, T, R, E, W, Q, NO, NO, 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, \
LGUI, LALT, FN4, RALT, NO),

};


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 fn_bits)
{
return pgm_read_byte(&fn_layer[biton(fn_bits)]);
}

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

+ 24
- 0
hbk/led.c View File

@@ -0,0 +1,24 @@
/*
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 "led.h"


void led_set(uint8_t usb_led)
{
}

+ 270
- 0
hbk/matrix.c View File

@@ -0,0 +1,270 @@
/*
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/io.h>
#include <util/delay.h>
#include "print.h"
#include "debug.h"
#include "util.h"
#include "matrix.h"


/*
* Happy Buckling Keyboard(IBM Model M mod)
*
* Pin usage:
* COL: PD0-7
* ROW: PB0-7, PF4-7
*/

#if (MATRIX_COLS > 16)
# error "MATRIX_COLS must not exceed 16"
#endif
#if (MATRIX_ROWS > 255)
# error "MATRIX_ROWS must not exceed 255"
#endif


#ifndef DEBOUNCE
# define DEBOUNCE 0
#endif
static uint8_t debouncing = DEBOUNCE;

// matrix state buffer(1:on, 0:off)
#if (MATRIX_COLS <= 8)
static uint8_t *matrix;
static uint8_t *matrix_prev;
static uint8_t _matrix0[MATRIX_ROWS];
static uint8_t _matrix1[MATRIX_ROWS];
#else
static uint16_t *matrix;
static uint16_t *matrix_prev;
static uint16_t _matrix0[MATRIX_ROWS];
static uint16_t _matrix1[MATRIX_ROWS];
#endif

#ifdef MATRIX_HAS_GHOST
static bool matrix_has_ghost_in_row(uint8_t row);
#endif
static uint8_t read_col(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)
{
print_enable = true;
debug_enable = true;
debug_matrix = true;
debug_keyboard = false;
debug_mouse = false;
print("debug enabled.\n");

// JTAG disable for PORT F. write JTD bit twice within four cycles.
MCUCR |= (1<<JTD);
MCUCR |= (1<<JTD);

// initialize rows
unselect_rows();

// initialize columns to input with pull-up(DDR:0, PORT:1)
DDRD = 0x00;
PORTD = 0xFF;

// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0x00;
for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix1[i] = 0x00;
matrix = _matrix0;
matrix_prev = _matrix1;
}

uint8_t matrix_scan(void)
{
if (!debouncing) {
uint8_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(30); // without this wait read unstable value.
if (matrix[i] != (uint8_t)~read_col()) {
matrix[i] = (uint8_t)~read_col();
if (debouncing) {
debug("bounce!: "); debug_hex(debouncing); print("\n");
}
_delay_ms(1); // TODO: work around. HAHAHAHAHAAHA
debouncing = DEBOUNCE;
}
}
unselect_rows();

if (debouncing) {
debouncing--;
}

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)
{
#ifdef MATRIX_HAS_GHOST
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
if (matrix_has_ghost_in_row(i))
return true;
}
#endif
return false;
}

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

inline
#if (MATRIX_COLS <= 8)
uint8_t matrix_get_row(uint8_t row)
#else
uint16_t matrix_get_row(uint8_t row)
#endif
{
return matrix[row];
}

void matrix_print(void)
{
print("\nr/c 01234567\n");
for (uint8_t row = 0; row < matrix_rows(); row++) {
phex(row); print(": ");
#if (MATRIX_COLS <= 8)
pbin_reverse(matrix_get_row(row));
#else
pbin_reverse16(matrix_get_row(row));
#endif
#ifdef MATRIX_HAS_GHOST
if (matrix_has_ghost_in_row(row)) {
print(" <ghost");
}
#endif
print("\n");
}
}

uint8_t matrix_key_count(void)
{
uint8_t count = 0;
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
#if (MATRIX_COLS <= 8)
count += bitpop(matrix[i]);
#else
count += bitpop16(matrix[i]);
#endif
}
return count;
}

#ifdef MATRIX_HAS_GHOST
inline
static bool matrix_has_ghost_in_row(uint8_t row)
{
// no ghost exists in case less than 2 keys on
if (((matrix[row] - 1) & matrix[row]) == 0)
return false;

// ghost exists in case same state as other row
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
if (i != row && (matrix[i] & matrix[row]) == matrix[row])
return true;
}
return false;
}
#endif

inline
static uint8_t read_col(void)
{
return PIND;
}

inline
static void unselect_rows(void)
{
// Hi-Z(DDR:0, PORT:0) to unselect
DDRB &= ~0b11111111;
PORTB &= ~0b11111111;
DDRF &= ~0b11110000;
PORTF &= ~0b11110000;
}

inline
static void select_row(uint8_t row)
{
// Output low(DDR:1, PORT:0) to select
switch (row) {
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
DDRB |= (1<<row);
PORTB &= ~(1<<row);
break;
case 8:
DDRF |= (1<<4);
PORTF &= ~(1<<4);
break;
case 9:
case 10:
case 11:
DDRF |= (1<<(row-4));
PORTF &= ~(1<<(row-4));
break;
}
}

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