avrdude/avr.h

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/*
* Copyright 2001 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>
/*
* AVR memory designations; the order of these is important, these are
* used as indexes into statically initialized data, don't change them
* around. Specifically, avr_read_byte() and avr_write_byte() rely on
* the order.
*/
#define AVR_M_EEPROM 0
#define AVR_M_FLASH 1
#define AVR_MAXMEMTYPES 2 /* just flash and eeprom */
typedef struct avrmem {
int paged; /* page addressed (e.g. ATmega flash) */
int size; /* total memory size in bytes */
int page_size; /* size of memory page (if page addressed) */
int num_pages; /* number of pages (if page addressed) */
int pageaddr_shift; /* number of bits in the page address */
int min_write_delay; /* microseconds */
int max_write_delay; /* microseconds */
unsigned char readback[2]; /* polled read-back values */
unsigned char * buf; /* pointer to memory buffer */
} AVRMEM;
#define AVR_DESCLEN 64
#define AVR_IDLEN 32
typedef struct avrpart {
char desc[AVR_DESCLEN]; /* long part name */
char id[AVR_IDLEN]; /* short part name */
int chip_erase_delay; /* microseconds */
AVRMEM mem[AVR_MAXMEMTYPES];
} AVRPART;
extern struct avrpart parts[];
AVRPART * avr_find_part(char * p);
AVRPART * avr_new_part(void);
AVRPART * avr_dup_part(AVRPART * d);
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, AVRPART * p,
int memtype, unsigned long addr);
int avr_read(int fd, AVRPART * p, int memtype);
int avr_write_bank(int fd, AVRPART * p, int memtype,
unsigned short bank);
int avr_write_byte(int fd, AVRPART * p, int memtype,
unsigned long addr, unsigned char data);
int avr_write(int fd, AVRPART * p, int memtype, int size);
int avr_program_enable(int fd);
int avr_chip_erase(int fd, 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, AVRPART * p);
char * avr_memtstr(int memtype);
int avr_initmem(AVRPART * p);
int avr_verify(AVRPART * p, AVRPART * v, int memtype,
int size);
void avr_display(FILE * f, AVRPART * p, char * prefix);
#endif