avrdude/avrpart.h

143 lines
5.2 KiB
C

/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2003 Brian S. Dean <bsd@bsdhome.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* $Id$ */
#ifndef __avrpart_h__
#define __avrpart_h__
#include <limits.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 */
};
enum { /* these are assigned to reset_disposition of AVRPART */
RESET_DEDICATED, /* reset pin is dedicated */
RESET_IO /* reset pin might be configured as an I/O pin */
};
/*
* 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 AVRPART_SERIALOK 0x0001 /* part supports serial programming */
#define AVRPART_PARALLELOK 0x0002 /* part supports parallel programming */
#define AVRPART_PSEUDOPARALLEL 0x0004 /* part has pseudo parallel support */
#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 stk500_devcode; /* stk500 device code */
int avr910_devcode; /* avr910 device code */
int chip_erase_delay; /* microseconds */
unsigned char pagel; /* for parallel programming */
unsigned char bs2; /* for parallel programming */
int reset_disposition; /* see RESET_ enums */
int retry_pulse; /* retry program enable by pulsing
this pin (PIN_AVR_*) */
unsigned flags; /* see AVRPART_ masks */
OPCODE * op[AVR_OP_MAX]; /* opcodes */
LISTID mem; /* avr memory definitions */
char config_file[PATH_MAX]; /* config file where defined */
int lineno; /* config file line number */
} AVRPART;
#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;
/* Functions for OPCODE structures */
OPCODE * avr_new_opcode(void);
int avr_set_bits(OPCODE * op, unsigned char * cmd);
int avr_set_addr(OPCODE * op, unsigned char * cmd, unsigned long addr);
int avr_set_input(OPCODE * op, unsigned char * cmd, unsigned char data);
int avr_get_output(OPCODE * op, unsigned char * res, unsigned char * data);
/* Functions for AVRMEM structures */
AVRMEM * avr_new_memtype(void);
int avr_initmem(AVRPART * p);
AVRMEM * avr_dup_mem(AVRMEM * m);
AVRMEM * avr_locate_mem(AVRPART * p, char * desc);
void avr_mem_display(char * prefix, FILE * f, AVRMEM * m, int type,
int verbose);
/* Functions for AVRPART structures */
AVRPART * avr_new_part(void);
AVRPART * avr_dup_part(AVRPART * d);
AVRPART * locate_part(LISTID parts, char * partdesc);
AVRPART * locate_part_by_avr910_devcode(LISTID parts, int devcode);
void list_parts(FILE * f, char * prefix, LISTID parts);
void avr_display(FILE * f, AVRPART * p, char * prefix, int verbose);
#endif