/**
 * @file avr/iotn85.h
 *
 * @brief Definitions for ATtiny85
 */

/*
 * Copyright (c) 2005, Joerg Wunsch
 * 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_IOTN85_H_
#define _AVR_IOTN85_H_ 1

/**
 * @defgroup Avr_iotn85 ATtiny85 Definitions
 *
 * @ingroup avr
 *
 * @{
 */

#include <avr/iotnx5.h>

/* Constants */
#define SPM_PAGESIZE 64
#define RAMEND       0x25F
#define XRAMEND      RAMEND
#define E2END        0x1FF
#define E2PAGESIZE   4
#define FLASHEND     0x1FFF


/* Fuses */
#define FUSE_MEMORY_SIZE 3

/* Low Fuse Byte */
#define FUSE_CKSEL0      (unsigned char)~_BV(0)
#define FUSE_CKSEL1      (unsigned char)~_BV(1)
#define FUSE_CKSEL2      (unsigned char)~_BV(2)
#define FUSE_CKSEL3      (unsigned char)~_BV(3)
#define FUSE_SUT0        (unsigned char)~_BV(4)
#define FUSE_SUT1        (unsigned char)~_BV(5)
#define FUSE_CKOUT       (unsigned char)~_BV(6)
#define FUSE_CKDIV8      (unsigned char)~_BV(7)
#define LFUSE_DEFAULT (FUSE_CKSEL0 & FUSE_CKSEL2 & FUSE_CKSEL3 & FUSE_SUT0 & FUSE_CKDIV8)

/* High Fuse Byte */
#define FUSE_BODLEVEL0   (unsigned char)~_BV(0)
#define FUSE_BODLEVEL1   (unsigned char)~_BV(1)
#define FUSE_BODLEVEL2   (unsigned char)~_BV(2)
#define FUSE_EESAVE      (unsigned char)~_BV(3)
#define FUSE_WDTON       (unsigned char)~_BV(4)
#define FUSE_SPIEN       (unsigned char)~_BV(5)
#define FUSE_DWEN        (unsigned char)~_BV(6)
#define FUSE_RSTDISBL    (unsigned char)~_BV(7)
#define HFUSE_DEFAULT (FUSE_SPIEN)

/* Extended Fuse Byte */
#define FUSE_SELFPRGEN   (unsigned char)~_BV(0)
#define EFUSE_DEFAULT (0xFF)


/* Lock Bits */
#define __LOCK_BITS_EXIST


/* Signature */
#define SIGNATURE_0 0x1E
#define SIGNATURE_1 0x93
#define SIGNATURE_2 0x0B

/** @} */
#endif /* _AVR_IOTN85_H_ */