thanks matt and kristin.
ill read up on the specs.
i used uisp to get the values of the fuses on the mica2dots,
and the JTAG is disabled, as below:
MICA 2 Fuse Settings:
~~~~~~~~~~~~~~~~~~~~~~~~~~
Firmware Version: 2.1
Fuse Low Byte = 0xff
Fuse High Byte = 0xd9
Fuse Extended Byte = 0xff
Calibration Byte = 0x00 -- Read Only
Lock Bits = 0xff
BLB12 -> 1
BLB11 -> 1
BLB02 -> 1
BLB01 -> 1
LB2 -> 1
LB1 -> 1
MICA 2 DOT Fuse Settings:
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Firmware Version: 2.1
Fuse Low Byte = 0xff
Fuse High Byte = 0xd9
Fuse Extended Byte = 0xff
Calibration Byte = 0x00 -- Read Only
Lock Bits = 0xff
BLB12 -> 1
BLB11 -> 1
BLB02 -> 1
BLB01 -> 1
LB2 -> 1
LB1 -> 1
Since im working with the default settings and Surge is the given
multihop program, why should the mica2dots just stop working, for no
apparent reason?? are they going to sleep? i havent changed the program
to make them do so.
thanks for ur help,
karan
On Wed, 2004-08-04 at 15:41, matt miller wrote:
> The JTAG fuse/Onchip debug disable is very important for power-down/sleep
> modes. If these "fuses" are on/enabled, the minimum sleep current will be
> approx 3mA (x300 higher than you want!)
>
> uisp <progammer parameters...> -wr_fuse_h=0xD9
> disables the JTAG fuse.
>
> uisp <programmer parameters..> -wr_fuse_h=0x19
> enables the JTAG fuse
>
> You use JTAG fuse for debugging with Atmel's JTAG pod and ice-insight...
>
> matt
>
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] Behalf Of
> > Kristin Wright
> > Sent: Wednesday, August 04, 2004 12:45 PM
> > To: 'karan'; [EMAIL PROTECTED]
> > Subject: RE: [Tinyos-users] fuse extended byte
> >
> >
> >
> > The fuses control different settings. Two such settings, for example, are
> > the atmega 103 compatibility mode and the JTAG mode.
> >
> > You can find all the info about fuses in the datasheet for the atmel
> > atmega128 at atmel's web site. For convenience, here a link:
> > http://www.atmel.com/dyn/resources/prod_documents/doc2467.pdf
> >
> > -kw
> >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED] [mailto:tinyos-users-
> > > [EMAIL PROTECTED] On Behalf Of karan
> > > Sent: Tuesday, August 03, 2004 4:55 PM
> > > To: [EMAIL PROTECTED]
> > > Subject: [Tinyos-users] fuse extended byte
> > >
> > > what is this??
> > > whats the purpose of setting this fuse??
> > >
> > > thanks,
> > > karan
> > >
> > > _______________________________________________
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> >
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