143 lines
5.2 KiB
C
143 lines
5.2 KiB
C
/*
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* avrdude - A Downloader/Uploader for AVR device programmers
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* Copyright (C) 2003 Brian S. Dean <bsd@bsdhome.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* $Id$ */
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#ifndef __avrpart_h__
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#define __avrpart_h__
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#include <limits.h>
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#include "lists.h"
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/*
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* AVR serial programming instructions
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*/
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enum {
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AVR_OP_READ,
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AVR_OP_WRITE,
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AVR_OP_READ_LO,
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AVR_OP_READ_HI,
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AVR_OP_WRITE_LO,
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AVR_OP_WRITE_HI,
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AVR_OP_LOADPAGE_LO,
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AVR_OP_LOADPAGE_HI,
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AVR_OP_WRITEPAGE,
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AVR_OP_CHIP_ERASE,
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AVR_OP_PGM_ENABLE,
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AVR_OP_MAX
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};
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enum {
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AVR_CMDBIT_IGNORE, /* bit is ignored on input and output */
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AVR_CMDBIT_VALUE, /* bit is set to 0 or 1 for input or output */
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AVR_CMDBIT_ADDRESS, /* this bit represents an input address bit */
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AVR_CMDBIT_INPUT, /* this bit is an input bit */
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AVR_CMDBIT_OUTPUT /* this bit is an output bit */
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};
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enum { /* these are assigned to reset_disposition of AVRPART */
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RESET_DEDICATED, /* reset pin is dedicated */
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RESET_IO /* reset pin might be configured as an I/O pin */
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};
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/*
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* serial programming instruction bit specifications
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*/
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typedef struct cmdbit {
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int type; /* AVR_CMDBIT_* */
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int bitno; /* which input bit to use for this command bit */
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int value; /* bit value if type == AVR_CMDBIT_VALUD */
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} CMDBIT;
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typedef struct opcode {
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CMDBIT bit[32]; /* opcode bit specs */
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} OPCODE;
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#define AVRPART_SERIALOK 0x0001 /* part supports serial programming */
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#define AVRPART_PARALLELOK 0x0002 /* part supports parallel programming */
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#define AVRPART_PSEUDOPARALLEL 0x0004 /* part has pseudo parallel support */
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#define AVR_DESCLEN 64
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#define AVR_IDLEN 32
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typedef struct avrpart {
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char desc[AVR_DESCLEN]; /* long part name */
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char id[AVR_IDLEN]; /* short part name */
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int stk500_devcode; /* stk500 device code */
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int avr910_devcode; /* avr910 device code */
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int chip_erase_delay; /* microseconds */
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unsigned char pagel; /* for parallel programming */
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unsigned char bs2; /* for parallel programming */
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int reset_disposition; /* see RESET_ enums */
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int retry_pulse; /* retry program enable by pulsing
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this pin (PIN_AVR_*) */
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unsigned flags; /* see AVRPART_ masks */
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OPCODE * op[AVR_OP_MAX]; /* opcodes */
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LISTID mem; /* avr memory definitions */
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char config_file[PATH_MAX]; /* config file where defined */
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int lineno; /* config file line number */
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} AVRPART;
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#define AVR_MEMDESCLEN 64
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typedef struct avrmem {
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char desc[AVR_MEMDESCLEN]; /* memory description ("flash", "eeprom", etc) */
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int paged; /* page addressed (e.g. ATmega flash) */
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int size; /* total memory size in bytes */
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int page_size; /* size of memory page (if page addressed) */
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int num_pages; /* number of pages (if page addressed) */
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int min_write_delay; /* microseconds */
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int max_write_delay; /* microseconds */
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int pwroff_after_write; /* after this memory type is written to,
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the device must be powered off and
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back on, see errata
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http://www.atmel.com/atmel/acrobat/doc1280.pdf */
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unsigned char readback[2]; /* polled read-back values */
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unsigned char * buf; /* pointer to memory buffer */
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OPCODE * op[AVR_OP_MAX]; /* opcodes */
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} AVRMEM;
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/* Functions for OPCODE structures */
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OPCODE * avr_new_opcode(void);
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int avr_set_bits(OPCODE * op, unsigned char * cmd);
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int avr_set_addr(OPCODE * op, unsigned char * cmd, unsigned long addr);
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int avr_set_input(OPCODE * op, unsigned char * cmd, unsigned char data);
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int avr_get_output(OPCODE * op, unsigned char * res, unsigned char * data);
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/* Functions for AVRMEM structures */
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AVRMEM * avr_new_memtype(void);
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int avr_initmem(AVRPART * p);
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AVRMEM * avr_dup_mem(AVRMEM * m);
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AVRMEM * avr_locate_mem(AVRPART * p, char * desc);
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void avr_mem_display(char * prefix, FILE * f, AVRMEM * m, int type,
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int verbose);
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/* Functions for AVRPART structures */
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AVRPART * avr_new_part(void);
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AVRPART * avr_dup_part(AVRPART * d);
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AVRPART * locate_part(LISTID parts, char * partdesc);
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AVRPART * locate_part_by_avr910_devcode(LISTID parts, int devcode);
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void list_parts(FILE * f, char * prefix, LISTID parts);
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void avr_display(FILE * f, AVRPART * p, char * prefix, int verbose);
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#endif
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