avrdude/avr.h

171 lines
5.1 KiB
C

/*
* Copyright (c) 2000, 2001, 2002 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>
#include "lists.h"
/*
* AVR serial programming instructions
*/
enum {
AVR_OP_READ,
AVR_OP_WRITE,
AVR_OP_READ_LO,
AVR_OP_READ_HI,
AVR_OP_WRITE_LO,
AVR_OP_WRITE_HI,
AVR_OP_LOADPAGE_LO,
AVR_OP_LOADPAGE_HI,
AVR_OP_WRITEPAGE,
AVR_OP_CHIP_ERASE,
AVR_OP_PGM_ENABLE,
AVR_OP_MAX
};
enum {
AVR_CMDBIT_IGNORE, /* bit is ignored on input and output */
AVR_CMDBIT_VALUE, /* bit is set to 0 or 1 for input or output */
AVR_CMDBIT_ADDRESS, /* this bit represents an input address bit */
AVR_CMDBIT_INPUT, /* this bit is an input bit */
AVR_CMDBIT_OUTPUT /* this bit is an output bit */
};
/*
* serial programming instruction bit specifications
*/
typedef struct cmdbit {
int type; /* AVR_CMDBIT_* */
int bitno; /* which input bit to use for this command bit */
int value; /* bit value if type == AVR_CMDBIT_VALUD */
} CMDBIT;
typedef struct opcode {
CMDBIT bit[32]; /* opcode bit specs */
} OPCODE;
#define AVR_MEMDESCLEN 64
typedef struct avrmem {
char desc[AVR_MEMDESCLEN]; /* memory description ("flash", "eeprom", etc) */
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 min_write_delay; /* microseconds */
int max_write_delay; /* microseconds */
int pwroff_after_write; /* after this memory type is written to,
the device must be powered off and
back on, see errata
http://www.atmel.com/atmel/acrobat/doc1280.pdf */
unsigned char readback[2]; /* polled read-back values */
unsigned char * buf; /* pointer to memory buffer */
OPCODE * op[AVR_OP_MAX]; /* opcodes */
} 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 */
OPCODE * op[AVR_OP_MAX]; /* opcodes */
LISTID mem; /* avr memory definitions */
} AVRPART;
extern struct avrpart parts[];
AVRPART * avr_find_part(char * p);
AVRPART * avr_new_part(void);
OPCODE * avr_new_opcode(void);
AVRMEM * avr_new_memtype(void);
AVRPART * avr_dup_part(AVRPART * d);
AVRMEM * avr_locate_mem(AVRPART * p, char * desc);
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]);
int avr_read_byte(int fd, AVRPART * p, AVRMEM * mem, unsigned long addr,
unsigned char * value);
int avr_read(int fd, AVRPART * p, char * memtype, int size, int verbose);
int avr_write_page(int fd, AVRPART * p, AVRMEM * mem,
unsigned long addr);
int avr_write_byte(int fd, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char data);
int avr_write(int fd, AVRPART * p, char * memtype, int size, int verbose);
int avr_program_enable(int fd, AVRPART * p);
int avr_chip_erase(int fd, AVRPART * p);
int avr_signature(int fd, AVRPART * p);
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, char * memtype, int size);
void avr_mem_display(char * prefix, FILE * f, AVRMEM * m, int type,
int verbose);
void avr_display(FILE * f, AVRPART * p, char * prefix, int verbose);
#endif