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* avr.c: Add avr_read_byte_default(). 

Have avr_read_byte() call pgm->read_byte() or avr_read_byte_default().
Add avr_write_byte_default().
Have avr_write_byte() call pgm->write_byte or avr_write_byte_default().
* pgm.c: Initialize pgm->write_byte and pgm->read_byte.
* pgm.h: Add write_byte and read_byte fields to struct programmer_t.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@296 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Theodore A. Roth 2003-03-23 23:22:50 +00:00
parent 0c1039d8b3
commit 4165644dd9
4 changed files with 48 additions and 9 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2003-03-23 Theodore A. Roth <troth@openavr.org>
* avr.c: Add avr_read_byte_default().
Have avr_read_byte() call pgm->read_byte() or avr_read_byte_default().
Add avr_write_byte_default().
Have avr_write_byte() call pgm->write_byte or avr_write_byte_default().
* pgm.c: Initialize pgm->write_byte and pgm->read_byte.
* pgm.h: Add write_byte and read_byte fields to struct programmer_t.
2003-03-17 Theodore A. Roth <troth@openavr.org> 2003-03-17 Theodore A. Roth <troth@openavr.org>
* avrdude.conf.in: Fix typo for devicecode deprecation comment. * avrdude.conf.in: Fix typo for devicecode deprecation comment.

42
avr.c
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@ -287,11 +287,8 @@ int avr_get_output(OPCODE * op, unsigned char * res, unsigned char * data)
} }
/* int avr_read_byte_default(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
* read a byte of data from the indicated memory region unsigned long addr, unsigned char * value)
*/
int avr_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char * value)
{ {
unsigned char cmd[4]; unsigned char cmd[4];
unsigned char res[4]; unsigned char res[4];
@ -340,6 +337,21 @@ int avr_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
} }
/*
* read a byte of data from the indicated memory region
*/
int avr_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char * value)
{
if (pgm->read_byte) {
return pgm->read_byte(pgm, p, mem, addr, value);
}
else {
return avr_read_byte_default(pgm, p, mem, addr, value);
}
}
/* /*
* Read the entirety of the specified memory type into the * Read the entirety of the specified memory type into the
* corresponding buffer of the avrpart pointed to by 'p'. If size = * corresponding buffer of the avrpart pointed to by 'p'. If size =
@ -465,10 +477,7 @@ int avr_write_page(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
} }
/* int avr_write_byte_default(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
* write a byte of data at the specified address
*/
int avr_write_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char data) unsigned long addr, unsigned char data)
{ {
unsigned char cmd[4]; unsigned char cmd[4];
@ -653,6 +662,21 @@ int avr_write_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
} }
/*
* write a byte of data at the specified address
*/
int avr_write_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char data)
{
if (pgm->write_byte) {
return pgm->write_byte(pgm, p, mem, addr, data);
}
else {
return avr_write_byte_default(pgm, p, mem, addr, data);
}
}
/* /*
* Write the whole memory region of the specified memory from the * Write the whole memory region of the specified memory from the
* corresponding buffer of the avrpart pointed to by 'p'. Write up to * corresponding buffer of the avrpart pointed to by 'p'. Write up to

2
pgm.c
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@ -89,6 +89,8 @@ PROGRAMMER * pgm_new(void)
*/ */
pgm->paged_write = NULL; pgm->paged_write = NULL;
pgm->paged_load = NULL; pgm->paged_load = NULL;
pgm->write_byte = NULL;
pgm->read_byte = NULL;
pgm->read_sig_bytes = NULL; pgm->read_sig_bytes = NULL;
return pgm; return pgm;

4
pgm.h
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@ -66,6 +66,10 @@ typedef struct programmer_t {
int page_size, int n_bytes); int page_size, int n_bytes);
int (*paged_load) (struct programmer_t * pgm, AVRPART * p, AVRMEM * m, int (*paged_load) (struct programmer_t * pgm, AVRPART * p, AVRMEM * m,
int page_size, int n_bytes); int page_size, int n_bytes);
int (*write_byte) (struct programmer_t * pgm, AVRPART * p, AVRMEM * m,
unsigned long addr, unsigned char value);
int (*read_byte) (struct programmer_t * pgm, AVRPART * p, AVRMEM * m,
unsigned long addr, unsigned char * value);
int (*read_sig_bytes) (struct programmer_t * pgm, AVRPART * p, AVRMEM * m); int (*read_sig_bytes) (struct programmer_t * pgm, AVRPART * p, AVRMEM * m);
char config_file[PATH_MAX]; /* config file where defined */ char config_file[PATH_MAX]; /* config file where defined */
int lineno; /* config file line number */ int lineno; /* config file line number */