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Re: [avr-gcc-list] avrdude, read fuse bits?

From: Joerg Wunsch
Subject: Re: [avr-gcc-list] avrdude, read fuse bits?
Date: Tue, 2 Aug 2005 23:52:37 +0200 (MET DST)

Torsten Mohr <address@hidden> wrote:

> $(ADUDE) -u -Ulfuse:r:$(FUSE_L):m

File type `m' is an immediate value: the value is not taken from a
file but present on the command-line directly (in place of a file
name).  Obviously, this only makes sense for write (to the AVR)
operations, not for read operations.

> 2.
> Can i get _less_ output from avrdude, just the bits would
> be fine.

All informational output is sent to fd 2 (stderr).  Drop stderr, and
use stdout for the output file:

$ avrdude -p m128 -c ponyser -P /dev/cuaa6 -U lfuse:r:-:r 2>/dev/null | hd
00000000  fe                                                |รพ|

>  Maybe a way to just show _all_ fusebytes?

Not yet.  There's been the idea to have a combined fuse memory space,
but that hasn't been implemented by anyone so far.

> 3.
> Is there an option to show the version of avrdude?

avrdude -v (and no other parameters)

cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)

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