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Re: [avr-chat] ATXmega and usersig
From: |
Joerg Wunsch |
Subject: |
Re: [avr-chat] ATXmega and usersig |
Date: |
Wed, 18 Apr 2012 07:48:23 +0200 (MET DST) |
Alexander Krause <address@hidden> wrote:
> My idea was to check if my serial has the value 0 (bytes 0 & 1 of
> the usersig) and then erase the usersig because a serial with the
> value 0 would be invalid in my case.
Where would those 0 bytes come from?
Erased (NAND-)Flash has all bits set, i.e. the initial value
of each byte is 0xff.
--
cheers, J"org .-.-. --... ...-- -.. . DL8DTL
http://www.sax.de/~joerg/ NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)