[Tinyos-help] Is anyone working on repairing msp430 Msp430DcoCalibP

[Alexandre Buist]

Hi Eric, 

 

You can also try putting your node in the fridge (or the freezer -12C if you
dare). Temperature is what will affect most significantly the oscillator
frequency.

I will probably also use it as is for the moment but If you do something
about it keep us posted!

 

Cheers,

Alex

  _____  

From: Eric Decker [mailto:cire831 at gmail.com] 
Sent: Wednesday, May 21, 2008 5:45 PM
To: Alexandre Buist
Cc: tinyos-help at millennium.berkeley.edu
Subject: Re: [Tinyos-help] Is anyone working on repairing msp430
Msp430DcoCalibP

 


I don't know if it is on anyone else's stack but is definitely on mine.  I'm
building a marine mammal tag that
is essentially a telosb (not intentionally but it worked out in our favor).

I'm going to fix it eventually not sure when.  So far we haven't seen any
problems with this so haven't fixed it.
In other words we haven't seen drift.  But we also haven't had to let the
device run for a long time and it is in
that condition where it will start to show up as a problem.

eric



On Wed, May 21, 2008 at 5:50 AM, Alexandre Buist <abuist at newtraxtech.com>
wrote:

#error "Msp430DcoCalibP is broken and will incorrectly adjust TimerA because
it does not take into account MCU sleep."

 

Is anyone working on it?

Does anyone knows how this should be fixed?

 

Alex


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-- 
Eric B. Decker
Senior (over 50 :-) Researcher
Autonomous Systems Lab
Jack Baskin School of Engineering
UCSC

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