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								/*
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								Copyright 2012 Jun Wako <wakojun@gmail.com>
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								This program is free software: you can redistribute it and/or modify
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								it under the terms of the GNU General Public License as published by
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								the Free Software Foundation, either version 2 of the License, or
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								(at your option) any later version.
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								This program is distributed in the hope that it will be useful,
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								but WITHOUT ANY WARRANTY; without even the implied warranty of
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								MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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								GNU General Public License for more details.
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								You should have received a copy of the GNU General Public License
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								along with this program.  If not, see <http://www.gnu.org/licenses/>.
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								*/
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								#pragma once
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								#define VENDOR_ID       0xFEED
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								#define PRODUCT_ID      0x6512
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								#define DEVICE_VER      0x0001
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								#define MANUFACTURER    QMK
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								#define PRODUCT         XT keyboard converter
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								#define DESCRIPTION     convert XT keyboard to USB
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								/* matrix size */
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								#define MATRIX_ROWS 16  // keycode bit: 3-0
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								#define MATRIX_COLS 8   // keycode bit: 6-4
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								/* key combination for command */
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								#define IS_COMMAND() ( \
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								    get_mods() == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) || \
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								    get_mods() == (MOD_BIT(KC_LCTRL) | MOD_BIT(KC_RSHIFT)) \
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								)
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								//#define NO_SUSPEND_POWER_DOWN
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								/*
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								 * XT Pin interrupt
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								 */
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								#define XT_CLOCK_PORT  PORTD
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								#define XT_CLOCK_PIN   PIND
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								#define XT_CLOCK_DDR   DDRD
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								#define XT_CLOCK_BIT   1
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								#define XT_DATA_PORT   PORTD
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								#define XT_DATA_PIN    PIND
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								#define XT_DATA_DDR    DDRD
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								#define XT_DATA_BIT    0
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								#define XT_RST_PORT    PORTB
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								#define XT_RST_PIN     PINB
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								#define XT_RST_DDR     DDRB
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								#define XT_RST_BIT     7
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								/* hard reset: low pulse for 500ms and after that HiZ for safety */
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								#define XT_RESET() do { \
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								    XT_RST_PORT &= ~(1<<XT_RST_BIT);  \
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								    XT_RST_DDR  |=  (1<<XT_RST_BIT);  \
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								    _delay_ms(500);                   \
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								    XT_RST_DDR  &= ~(1<<XT_RST_BIT);  \
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								} while (0)
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								/* INT1 for falling edge of clock line */
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								#define XT_INT_INIT()  do {    \
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								    EICRA |= ((1<<ISC11) |      \
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								              (0<<ISC10));      \
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								} while (0)
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								/* clears flag and enables interrupt */
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								#define XT_INT_ON()  do {      \
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								    EIFR  |= (1<<INTF1);        \
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								    EIMSK |= (1<<INT1);         \
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								} while (0)
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								#define XT_INT_OFF() do {      \
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								    EIMSK &= ~(1<<INT1);        \
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								} while (0)
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								#define XT_INT_VECT    INT1_vect
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