/**
 * @file avr/io2343.h
 *
 * @brief Definitions for AT90S2343
 *
 * This file should only be included from <avr/io.h>, never directly.
 */

/*
 *   Copyright (c) 2002, Marek Michalkiewicz
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 *  * Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _AVR_IO2343_H_
#define _AVR_IO2343_H_ 1

/**
 *  @defgroup Avr_io2343 AT90S2343 Definitions
 *
 *  @ingroup avr
 */
/**@{*/

#ifndef _AVR_IO_H_
#  error "Include <avr/io.h> instead of this file."
#endif

#ifndef _AVR_IOXXX_H_
#  define _AVR_IOXXX_H_ "io2343.h"
#else
#  error "Attempt to include more than one <avr/ioXXX.h> file."
#endif

/* I/O registers */

/* Input Pins, Port B */
#define PINB	_SFR_IO8(0x16)

/* Data Direction Register, Port B */
#define DDRB	_SFR_IO8(0x17)

/* Data Register, Port B */
#define PORTB	_SFR_IO8(0x18)

/* EEPROM Control Register */
#define EECR	_SFR_IO8(0x1C)

/* EEPROM Data Register */
#define EEDR	_SFR_IO8(0x1D)

/* EEPROM Address Register */
#define EEAR	_SFR_IO8(0x1E)
#define EEARL	_SFR_IO8(0x1E)

/* Watchdog Timer Control Register */
#define WDTCR	_SFR_IO8(0x21)

/* Timer/Counter 0 */
#define TCNT0	_SFR_IO8(0x32)

/* Timer/Counter 0 Control Register */
#define TCCR0	_SFR_IO8(0x33)

/* MCU Status Register */
#define MCUSR	_SFR_IO8(0x34)

/* MCU general Control Register */
#define MCUCR	_SFR_IO8(0x35)

/* Timer/Counter Interrupt Flag register */
#define TIFR	_SFR_IO8(0x38)

/* Timer/Counter Interrupt MaSK register */
#define TIMSK	_SFR_IO8(0x39)

/* General Interrupt Flag register */
#define GIFR	_SFR_IO8(0x3A)

/* General Interrupt MaSK register */
#define GIMSK	_SFR_IO8(0x3B)

/* 0x3D..0x3E SP */

/* 0x3F SREG */

/* Interrupt vectors */

/* External Interrupt 0 */
#define INT0_vect			_VECTOR(1)
#define SIG_INTERRUPT0			_VECTOR(1)

/* Timer/Counter0 Overflow */
#define TIMER0_OVF0_vect		_VECTOR(2)
#define SIG_OVERFLOW0			_VECTOR(2)

#define _VECTORS_SIZE 6

/*
   The Register Bit names are represented by their bit number (0-7).
 */

/* General Interrupt MaSK register */
#define    INT0    6
#define    INTF0   6

/* General Interrupt Flag Register */
#define    TOIE0   1
#define    TOV0    1

/* MCU general Control Register */
#define    SE      5
#define    SM      4
#define    ISC01   1
#define    ISC00   0

/* MCU Status Register */
#define PORF    0
#define EXTRF   1

/* Timer/Counter 0 Control Register */
#define    CS02    2
#define    CS01    1
#define    CS00    0

/* Watchdog Timer Control Register */
#define    WDTOE   4
#define    WDE     3
#define    WDP2    2
#define    WDP1    1
#define    WDP0    0

/*
   PB3 = CLOCK
   PB2 = SCK/T0
   PB1 = MISO/INT0
   PB0 = MOSI
 */

/* Data Register, Port B */
#define    PB4     4
#define    PB3     3
#define    PB2     2
#define    PB1     1
#define    PB0     0

/* Data Direction Register, Port B */
#define    DDB4    4
#define    DDB3    3
#define    DDB2    2
#define    DDB1    1
#define    DDB0    0

/* Input Pins, Port B */
#define    PINB4   4
#define    PINB3   3
#define    PINB2   2
#define    PINB1   1
#define    PINB0   0

/* EEPROM Control Register */
#define    EERIE   3
#define    EEMWE   2
#define    EEWE    1
#define    EERE    0

/* Constants */
#define RAMEND     0xDF
#define XRAMEND    RAMEND
#define E2END      0x7F
#define E2PAGESIZE 0
#define FLASHEND   0x07FF


/* Fuses */
#define FUSE_MEMORY_SIZE 1

/* Low Fuse Byte */
#define FUSE_RCEN (unsigned char)~_BV(0)
#define FUSE_SPIEN (unsigned char)~_BV(5)
#define LFUSE_DEFAULT (0xFF)


/* Lock Bits */
#define __LOCK_BITS_EXIST


/* Signature */
#define SIGNATURE_0 0x1E
#define SIGNATURE_1 0x91
#define SIGNATURE_2 0x03


/**@}*/
#endif /* _AVR_IO2343_H_ */