avrdude/avr.h

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/*
* Copyright 2000 Brian S. Dean <bsd@bsdhome.com>
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY BRIAN S. DEAN ``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 BRIAN S. DEAN 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.
*
*/
/* $Id$ */
#ifndef __avr_h__
#define __avr_h__
#include <stdio.h>
/*
* bit definitions for AVR device connections
*/
#define AVR_POWER 0xf1 /* bit 0 and 4...7 of data register */
#define AVR_CLOCK 0x02 /* bit 1 of data register */
#define AVR_INSTR 0x04 /* bit 2 of data register */
#define AVR_RESET 0x08 /* bit 3 of data register */
#define AVR_DATA 0x40 /* bit 6 of status register */
/*
* AVR memory designations; the order of these is important, these are
* used as indexes into statically initialized data, don't change them
* around.
*/
typedef enum {
AVR_EEPROM,
AVR_FLASH
} AVRMEM;
#define AVR_MAXMEMTYPES 2 /* just flash and eeprom */
#if 0
struct avrmem {
AVRMEM memtype;
int startaddr;
int size;
unsigned char buf;
struct avrmem * next;
};
#endif
struct avrpart {
char * partdesc; /* long part name */
char * optiontag; /* short part name */
int memsize[AVR_MAXMEMTYPES]; /* sizes for eeprom,
flash, etc, indexed by
AVR_EEPROM or AVR_FLASH */
#if 0
int flash_size; /* size in bytes of flash */
int eeprom_size; /* size in bytes of eeprom */
#endif
unsigned char f_readback; /* flash write polled readback value */
unsigned char e_readback[2]; /* eeprom write polled readback values */
int min_write_delay; /* microseconds */
int max_write_delay; /* microseconds */
int chip_erase_delay; /* microseconds */
unsigned char * mem[AVR_MAXMEMTYPES];
#if 0
unsigned char * flash;
unsigned char * eeprom;
#endif
};
extern struct avrpart parts[];
int avr_list_parts ( FILE * f, char * prefix );
struct avrpart * avr_find_part ( char * p );
int avr_txrx_bit ( int fd, int bit );
unsigned char avr_txrx ( int fd, unsigned char byte );
int avr_cmd ( int fd, unsigned char cmd[4], unsigned char res[4] );
unsigned char avr_read_byte ( int fd, struct avrpart * p,
AVRMEM memtype, unsigned short addr );
int avr_read ( int fd, struct avrpart * p, AVRMEM memtype );
int avr_write_byte ( int fd, struct avrpart * p, AVRMEM memtype,
unsigned short addr, unsigned char data );
int avr_write ( int fd, struct avrpart * p, AVRMEM memtype, int size );
int avr_program_enable ( int fd );
int avr_chip_erase ( int fd, struct avrpart * p );
int avr_signature ( int fd, unsigned char sig[4] );
void avr_powerup ( int fd );
void avr_powerdown ( int fd );
int avr_initialize ( int fd, struct avrpart * p );
char * avr_memtstr ( AVRMEM memtype );
int avr_initmem ( struct avrpart * p );
int avr_verify(struct avrpart * p, struct avrpart * v, AVRMEM memtype,
int size);
void avr_display ( FILE * f, struct avrpart * p, char * prefix );
#endif