Re: [avr-gcc-list] Reading block from EEPROM ?

[Andy Warner]

Bernard Fouché wrote:
> [...]
> Check that avrdude is told not to erase the eeprom before reflashing 
> (the default value for flash/eeprom for unset memory is 0xFF). I guess 
> your problem is coming from that and not single byte/block read. I don't 
> remember the correct avrdude option at the moment however.

This may not be an avrdude problem, per se - but double
check the value of bit 3 of the high fuse byte. This
controls whether eeprom contents are preserved/cleared
during a chip erase. Default value says erase the eeprom.
See page 255 of the Mega32 manual.
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Andy Warner             Voice: (612) 801-8549   Fax: (208) 575-5634