From 97a55c36e271430cc54926c9a6a1f1e71c1bfb96 Mon Sep 17 00:00:00 2001 From: joerg_wunsch Date: Tue, 10 Sep 2013 15:58:40 +0000 Subject: [PATCH] Submitted by Matthias Trute: bug #36901 flashing Atmega32U4 EEPROM produces garbage on chip * avrdude.conf.in (ATmega32U4): Fix EEPROM pagesize to 4, the datasheet is wrong here. git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1215 81a1dc3b-b13d-400b-aceb-764788c761c2 --- ChangeLog | 7 +++++++ NEWS | 1 + avrdude.conf.in | 6 +++--- 3 files changed, 11 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index d3d52bc0..97b895af 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2013-09-10 Joerg Wunsch + + Submitted by Matthias Trute: + bug #36901 flashing Atmega32U4 EEPROM produces garbage on chip + * avrdude.conf.in (ATmega32U4): Fix EEPROM pagesize to 4, the + datasheet is wrong here. + 2013-09-09 Joerg Wunsch * configure.ac: check for ar and ranlib in the target tool diff --git a/NEWS b/NEWS index 88e1e2e4..7ee78a29 100644 --- a/NEWS +++ b/NEWS @@ -93,6 +93,7 @@ Current: - bug #38951: AVR109 use byte offset instead of word offset - patch #7769: Write flash fails for AVR910 programmers - bug #38732: Support for ATtiny1634 + - bug #36901 flashing Atmega32U4 EEPROM produces garbage on chip * Keep track of input file contents diff --git a/avrdude.conf.in b/avrdude.conf.in index 6581c557..0f4921d7 100644 --- a/avrdude.conf.in +++ b/avrdude.conf.in @@ -10765,7 +10765,7 @@ part memory "eeprom" paged = no; /* leave this "no" */ - page_size = 8; /* for parallel programming */ + page_size = 4; /* for parallel programming */ size = 1024; min_write_delay = 9000; max_write_delay = 9000; @@ -10792,8 +10792,8 @@ part " x x x x x x x x"; mode = 0x41; - delay = 10; - blocksize = 8; + delay = 20; + blocksize = 4; readsize = 256; ;