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avr910.c: Hopefully fixed that weird "first byte not programmed"-error in a good way (previous fix was not working with all firmwares) 

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@412 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Jan-Hinnerk Reichert 2004-04-17 19:37:14 +00:00
parent fa2dc82565
commit c43a012c7a
2 changed files with 12 additions and 18 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2004-04-17 Jan-Hinnerk Reichert <hinni@despammed.com>
* avr910.c: Hopefully fixed that weird "first byte not
programmed"-error in a good way (previous fix was not
working with all firmwares)
2004-02-10 Jan-Hinnerk Reichert <hinni@despammed.com>
* avrdude.1, doc/avrdude.texi, doc/TODO:

24
avr910.c
View File

@ -81,6 +81,11 @@ static int avr910_chip_erase(PROGRAMMER * pgm, AVRPART * p)
avr910_send(pgm, "e", 1);
avr910_vfy_cmd_sent(pgm, "chip erase");
/*
* avr910 firmware may not delay long enough
*/
usleep (p->chip_erase_delay);
return 0;
}
@ -284,20 +289,6 @@ static void avr910_set_addr(PROGRAMMER * pgm, unsigned long addr)
}
/*
* For some reason, if we don't do this when writing to flash, the first byte
* of flash is not programmed. I susect that the board got out of sync after
* the erase and sending another command gets us back in sync. -TRoth
*/
static void avr910_write_setup(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m)
{
if (strcmp(m->desc, "flash") == 0) {
avr910_send(pgm, "y", 1);
avr910_vfy_cmd_sent(pgm, "clear LED");
}
}
static int avr910_write_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
unsigned long addr, unsigned char value)
{
@ -404,8 +395,6 @@ static int avr910_paged_write_flash(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
int page_bytes = page_size;
int page_wr_cmd_pending = 0;
avr910_write_setup(pgm, p, m);
page_addr = addr;
avr910_set_addr(pgm, addr>>1);
@ -480,7 +469,7 @@ static int avr910_paged_write_eeprom(PROGRAMMER * pgm, AVRPART * p,
}
static int avr910_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
static int avr910_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
int page_size, int n_bytes)
{
if (strcmp(m->desc, "flash") == 0) {
@ -582,7 +571,6 @@ void avr910_initpgm(PROGRAMMER * pgm)
* optional functions
*/
pgm->write_setup = avr910_write_setup;
pgm->write_byte = avr910_write_byte;
pgm->read_byte = avr910_read_byte;