129 lines
4.1 KiB
C
129 lines
4.1 KiB
C
/*
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* Copyright 2000 Brian S. Dean <bsd@bsdhome.com>
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* All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY BRIAN S. DEAN ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BRIAN S. DEAN BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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*/
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/* $Id$ */
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#ifndef __avr_h__
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#define __avr_h__
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#include <stdio.h>
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/*
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* AVR memory designations; the order of these is important, these are
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* used as indexes into statically initialized data, don't change them
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* around. Specifically, avr_read_byte() and avr_write_byte() rely on
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* the order.
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*/
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typedef enum {
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AVR_EEPROM,
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AVR_FLASH
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} AVRMEM;
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#define AVR_MAXMEMTYPES 2 /* just flash and eeprom */
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#if 0
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struct avrmem {
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int startaddr;
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int size;
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unsigned char * buf;
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struct avrmem * next;
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};
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#endif
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struct avrpart {
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char * partdesc; /* long part name */
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char * optiontag; /* short part name */
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int memsize[AVR_MAXMEMTYPES]; /* sizes for eeprom,
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flash, etc, indexed by
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AVR_EEPROM or AVR_FLASH */
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unsigned char f_readback; /* flash write polled readback value */
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unsigned char e_readback[2]; /* eeprom write polled readback values */
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int min_write_delay; /* microseconds */
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int max_write_delay; /* microseconds */
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int chip_erase_delay; /* microseconds */
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#if 1
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unsigned char * mem[AVR_MAXMEMTYPES]; /* pointers to avr memory
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buffers, indexed by
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AVR_EEPROM or AVR_FLASH */
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#else
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struct avrmem * mem[AVR_MAXMEMTYPES]; /* pointers to avr memory
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buffers, indexed by
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AVR_EEPROM or AVR_FLASH */
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#endif
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};
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extern struct avrpart parts[];
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int avr_list_parts ( FILE * f, char * prefix );
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struct avrpart * avr_find_part ( char * p );
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int avr_txrx_bit ( int fd, int bit );
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unsigned char avr_txrx ( int fd, unsigned char byte );
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int avr_cmd ( int fd, unsigned char cmd[4], unsigned char res[4] );
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unsigned char avr_read_byte ( int fd, struct avrpart * p,
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AVRMEM memtype, unsigned short addr );
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int avr_read ( int fd, struct avrpart * p, AVRMEM memtype );
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int avr_write_byte ( int fd, struct avrpart * p, AVRMEM memtype,
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unsigned short addr, unsigned char data );
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int avr_write ( int fd, struct avrpart * p, AVRMEM memtype, int size );
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int avr_program_enable ( int fd );
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int avr_chip_erase ( int fd, struct avrpart * p );
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int avr_signature ( int fd, unsigned char sig[4] );
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void avr_powerup ( int fd );
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void avr_powerdown ( int fd );
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int avr_initialize ( int fd, struct avrpart * p );
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char * avr_memtstr ( AVRMEM memtype );
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int avr_initmem ( struct avrpart * p );
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int avr_verify(struct avrpart * p, struct avrpart * v, AVRMEM memtype,
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int size);
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void avr_display ( FILE * f, struct avrpart * p, char * prefix );
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#endif
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