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Content preview: Quoting Michael Schippling <[email protected]>: > You need
to send messages in the TOS_Msg or message_t format. > Find the struct
definition
for the telos platform. > For TOS1.x it is in:
opt/tinyos-1.x/tos/platform/telos/AM.h
> and probably something similar for T2. > > The tricky parts are: values
of 0x7E and 0x7D need to be > "escaped" because they are frame delimiters,
and you > need to calculate a CRC value correctly. There are some [...]
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--- Begin Message ---
Quoting Michael Schippling <[email protected]>:
You need to send messages in the TOS_Msg or message_t format.
Find the struct definition for the telos platform.
For TOS1.x it is in: opt/tinyos-1.x/tos/platform/telos/AM.h
and probably something similar for T2.
The tricky parts are: values of 0x7E and 0x7D need to be
"escaped" because they are frame delimiters, and you
need to calculate a CRC value correctly. There are some
Thanks for the quick reply on this query. This is a side
project for me so I don't get to spend as much time on it
as I would like.
Do you know if the whole TOS_Msg is CRC'ed or just the
data portion?
The inbound message seems to have whole TOS_Msg CRC and
that's what I'm doing on the outbound message.
Another "tricky part" is endianess, my host is big-endian
and the MPS430 in the radio is little-endian.
examples of formatting messages in matlab and C I think
in the dev tree, and the tools Packetizer.java file does
it in Java. I don't know of a recent format description
but you might find info on: http://docs.tinyos.net
I had to dig around on the tinyos.net site, but eventually
found references to the radios, and found a number of documents
that have been helpful. Thank you for this pointer.
All that said, I'm still not getting the response message
sent correctly. My only evidence is the continual 3 second
UART DETECT message coming in.
If I were to post the raw data I'm reading and my output on this
list, would somebody be able to peruse the two streams and give
me an indication if my response looks correct? Each stream is
about 25 bytes.
MS
[email protected] wrote:
Spam detection software, running on the system
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Content preview: My apologies if this query is off-topic, but this
is the only
community I have found working with this device. I am working on a project
that uses the Linksys Network Storage Link as a host for a TelosB Crossbow
radio. The Linksys device is running a Linux port called OpenWrt and the
application talking to the radio is all C code. No TinyOS components. [...]
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--------------------------------------------------
3.2 FH_DATE_PAST_20XX The date is grossly in the future.
0.0 BAYES_50 BODY: Bayesian spam probability is 40 to 60%
[score: 0.4976]
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------------------------------------------------------------------------
Subject:
TelosB Crossbow radio
From:
[email protected]
Date:
Fri, 21 May 2010 09:22:43 -0700
To:
[email protected]
To:
[email protected]
My apologies if this query is off-topic, but this is the only
community I have found working with this device.
I am working on a project that uses the Linksys Network Storage Link
as a host for a TelosB Crossbow radio. The Linksys device is running
a Linux port called OpenWrt and the application talking to the radio
is all C code. No TinyOS components.
I can read UARTDETECT_REQUEST messages from the radio but cannot
get a properly formed UARTDETECT_RESPONSE message written to the radio.
What I'm really looking for is a source of information/docs that describes
the communication protocol between radio and host over the USB port.
I have downloaded the latest version of TinyOS from Sourceforge, so if
the docs I'm looking for don't exist, can somebody point me at the module
within TinyOS that handles the host/radio interface over the USB port?
Cheers,
T.mike
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