117 lines
3.6 KiB
C
117 lines
3.6 KiB
C
/*
|
|
* 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
|
|
*/
|
|
typedef enum {
|
|
AVR_EEPROM,
|
|
AVR_FLASH,
|
|
AVR_FLASH_LO,
|
|
AVR_FLASH_HI
|
|
} AVRMEM;
|
|
|
|
struct avrpart {
|
|
char * partdesc; /* long part name */
|
|
char * optiontag; /* short part name */
|
|
int flash_size; /* size in bytes of flash */
|
|
int eeprom_size; /* size in bytes of eeprom */
|
|
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 * flash;
|
|
unsigned char * eeprom;
|
|
};
|
|
|
|
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 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);
|
|
|
|
void avr_display ( FILE * f, struct avrpart * p, char * prefix );
|
|
|
|
|
|
#endif
|