Attached is the patch that makes avrdude skip pages that only
contain 0xff. This speeds up programming enormously if
you have a program that loads at the end of the flash.
Roger.
--
** [EMAIL PROTECTED] ** http://www.BitWizard.nl/ ** +31-15-2600998 **
*-- BitWizard writes Linux device drivers for any device you may have! --*
Q: It doesn't work. A: Look buddy, doesn't work is an ambiguous statement.
Does it sit on the couch all day? Is it unemployed? Please be specific!
Define 'it' and what it isn't doing. --------- Adapted from lxrbot FAQ
--- avrdude-5.3.1-orig/avr.c 2006-12-11 15:06:52.000000000 +0100
+++ avrdude-5.3.1/avr.c 2007-04-14 17:27:52.000000000 +0200
@@ -547,6 +547,7 @@
unsigned char data;
int werror;
AVRMEM * m;
+ int j;
m = avr_locate_mem(p, memtype);
if (m == NULL) {
@@ -589,6 +590,23 @@
}
for (i=0; i<wsize; i++) {
+
+ if (m->paged) {
+ /*
+ * check to see if it is time to flush the page with a page
+ * write
+ */
+ if ((i % m->page_size) == 0) {
+ for (j=0;j<m->page_size;j++)
+ if (m->buf[i+j] != 0xff) break;
+
+ if (j == m->page_size) {
+ i += m->page_size-1;
+ continue;
+ }
+ }
+ }
+
data = m->buf[i];
report_progress(i, wsize, NULL);
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