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Commit changes in preparation for support the ATMega line.

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git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@76 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Brian S. Dean
2001-10-13 03:12:52 +00:00
parent 0e18e555ed
commit 42a81370c7
6 changed files with 181 additions and 103 deletions
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40
avr.h
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2000 Brian S. Dean <bsd@bsdhome.com>
* Copyright 2001 Brian S. Dean <bsd@bsdhome.com>
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -40,10 +40,8 @@
* around. Specifically, avr_read_byte() and avr_write_byte() rely on
* the order.
*/
typedef enum {
AVR_EEPROM,
AVR_FLASH
} AVRMEM;
#define AVR_M_EEPROM 0
#define AVR_M_FLASH 1
#define AVR_MAXMEMTYPES 2 /* just flash and eeprom */
@@ -56,9 +54,27 @@ struct avrmem {
};
#endif
typedef struct avrmem {
int banked; /* bank addressed (e.g. ATmega flash) */
int size; /* total memory size in bytes */
int bank_size; /* size of memory bank (if bank addressed) */
int num_banks; /* number of banks (if bank addressed) */
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;
struct avrpart {
char * partdesc; /* long part name */
char * optiontag; /* short part name */
int chip_erase_delay; /* microseconds */
AVRMEM mem[AVR_MAXMEMTYPES];
#if 0
int memsize[AVR_MAXMEMTYPES]; /* sizes for eeprom,
flash, etc, indexed by
AVR_EEPROM or AVR_FLASH */
@@ -66,7 +82,6 @@ struct avrpart {
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 */
#if 1
unsigned char * mem[AVR_MAXMEMTYPES]; /* pointers to avr memory
buffers, indexed by
@@ -76,6 +91,7 @@ struct avrpart {
buffers, indexed by
AVR_EEPROM or AVR_FLASH */
#endif
#endif
};
@@ -94,14 +110,14 @@ 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 memtype, unsigned short addr );
int avr_read ( int fd, struct avrpart * p, AVRMEM memtype );
int avr_read ( int fd, struct avrpart * p, int memtype );
int avr_write_byte ( int fd, struct avrpart * p, AVRMEM memtype,
int avr_write_byte ( int fd, struct avrpart * p, int memtype,
unsigned short addr, unsigned char data );
int avr_write ( int fd, struct avrpart * p, AVRMEM memtype, int size );
int avr_write ( int fd, struct avrpart * p, int memtype, int size );
int avr_program_enable ( int fd );
@@ -115,11 +131,11 @@ void avr_powerdown ( int fd );
int avr_initialize ( int fd, struct avrpart * p );
char * avr_memtstr ( AVRMEM memtype );
char * avr_memtstr ( int memtype );
int avr_initmem ( struct avrpart * p );
int avr_verify(struct avrpart * p, struct avrpart * v, AVRMEM memtype,
int avr_verify(struct avrpart * p, struct avrpart * v, int memtype,
int size);
void avr_display ( FILE * f, struct avrpart * p, char * prefix );