Fwd: [Tinyos-help] Accessing the mote clock time and display in PC

santos skdas at i2r.a-star.edu.sg
Sun Mar 13 18:05:05 PST 2005


 Hi Vijai,

Other than accessing of the Timer value there must be a hardware clock
inside the mica mote right.
Is it possible to access that hardware clock directly?? Just to print the
hardware clock time.

Thank you,
Santos
 
-------Original Message-------
 
From: Vijai
Date: Monday, March 14, 2005 8:53:43 AM
To: tinyos-help at Millennium.Berkeley.EDU
Subject: Fwd: [Tinyos-help] Accessing the mote clock time and display in PC
 
A shot in the dark:
 
1. Set up a timer for some period X
2. When the timer fires, send a radio message or a UART message to be
read on the PC.
3. For every such message, you have a "mote time", "pc time" pair.
Regression over a number of samples should give you an estimate of the
mote time at any instant.
 
You might want to build a new applet in VU's message center
application to do this. There is an existing one built for VU's time
sync and you could take a look at it as well.
 
hth,
 
-vijai.
 
 
> On Sun, 13 Mar 2005 19:35:31 +0800, Santos Kumar Das
> <skdas at i2r.a-star.edu.sg> wrote:
> Hi,
>
> Can I get the source code to access the mote clock and display in PC??
>
> Thank you,
> Regards,
> Santos
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