Re: [Tinyos-help] kanhaiya yadav has sent you a hi5 Friend Request

[Urs Hunkeler]

Dear all,

I don't know whether this mail has been sent out by the person mentioned 
in the mail, or whether a robot has automatically collected e-mail 
addresses and is now spamming list subscribers with spoofed sender 
addresses.

Since this is not the first time I receive this type of mass invitation 
to a social networking site, I would like to point out that I find it 
*extremely* rude to send out mass invitations of this kind. Please, send 
only invitations to people that you know (with whom you have at least 
had a personal e-mail exchange) and then, also personalize the invitation.

Thank you for your attention,
Urs

kanhaiya yadav wrote:
> 
> 
> *kanhaiya yadav* would like to be your friend on hi5!
> 
> 
> I set up a hi5 profile and I want to add you as a friend so we can share 
> pictures and start building our network. First you need to join hi5! Once you 
> join, you will have a chance to create a profile, share pictures, and find 
> friends.
> 
> Thanks,
> kanhaiya
> Join hi5!» 
> 
>  
> 
> 
>   
> 
>  
> 
> kanhaiya yadav 
> 
> 
> 2 Friends
> 
> --
> Copyright 2002-2008 Hi5 Networks, Inc. All rights reserved.
> 55 Second Street, Suite 300, San Francisco, CA 94105
> Privacy Policy  | Unsubscribe 
>  | Terms of Service 
> 
> 

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[Tinyos-help] wavelength

[Nahr ...]

Hi all,


Which is the wavelength of the signals generated by the motes in the TinyOS
implementation?



Thanks a lot.


Nahr Elk
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Re: [Tinyos-help] wavelength

[Ittipong Khemapech]

It depends upon at which frequency they are working, I guess.

Ittipong

2008/7/18 Nahr ... <[EMAIL PROTECTED]>:

> Hi all,
>
>
> Which is the wavelength of the signals generated by the motes in the TinyOS
> implementation?
>
>
>
> Thanks a lot.
>
>
> Nahr Elk
>
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Re: [Tinyos-help] Ctp Header access

[Omprakash Gnawali]

On Tue, Jul 15, 2008 at 8:07 PM, Varun Jain <[EMAIL PROTECTED]> wrote:
> Hi, I am writing an application similar to TestNetwork where I want to know
> the hopcount (number of hops it takes to reach to the root). I am trying to
> read the "THL" value as that would give the number of hops a packet has
> taken from a source to reach the root.  The first part of the message that
> is received from Collection has a ctp_data_header_t and next is the
> TestNetwork Message. In TestNetwork application, we can get the Etx value by
> calling CtpInfo.getEtx. Is there any interface which I can access to get the
> THL value and how can I do it? Or can I just send this value in the
> TestNetworkMsg structure by putting it into the hopcount (currently it is
> set to 0).

You can use CtpPacket interface instead of CollectionPacket interface.
CtpPacket interface has a command called getThl(msg). You will need to
adjust the wiring accordingly in TestNetworkAppC.nc.

> Secondly at compile time, I want to construct two packets, one
> TestNetworkMsg.java (I am already able to do this) and secondly the
> Ctp_data_header Msg.java but how can I achieve the second task as the packet
> being sent to the serial port has two structures in it, the first part being
> the ctp_data_header and second part being the TestNetworkMsg structure.

You can look at tn-injector.c to see how it sets serial header fields
as well as application header fields. You can probably use a similar
technique in Java.

- om_p
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Re: [Tinyos-help] wavelength

[Nahr ...]

I am using cc2420 chipcon with micaz mote
I think I should review CC2420 datasheet

Thanks for all

2008/7/18 Ittipong Khemapech <[EMAIL PROTECTED]>:

> It depends upon at which frequency they are working, I guess.
>
> Ittipong
>
> 2008/7/18 Nahr ... <[EMAIL PROTECTED]>:
>
>> Hi all,
>>
>>
>> Which is the wavelength of the signals generated by the motes in the
>> TinyOS implementation?
>>
>>
>>
>> Thanks a lot.
>>
>>
>> Nahr Elk
>>
>> ___
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>>
>
>
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[Tinyos-help] Increasing a node's transmit radius under TOSSIM

[Anthony Smee]

Hi there

I am working on some code which discovers other nodes, in fact all nodes 
discover what is around them. It is possible that some nodes are hidden, that 
is they hear from others but can't communicate back. All of this is in the 
TOSSIM environment.

Is it possible, that when a Node determines that another node is a hidden / 
asymmetric node, it can tell said node to increase its radio transmit radius 
and so, potentially, bring it out of its hidden status? From reading through 
the tutorials and looking at code I realise you could do this by changing the 
gain relationship between the two, or more, nodes, which would have to 
completed at the Python level. However I can't see how a nodes transmit radius 
can be increased, is there a command to complete this?

Also, a second question, if I may, is it possible to ascertain the x / y 
co-ordinates of a node in a topology?

Thank you.

Anthony

Microsoft is solely responsible for any e-tags and links that they 
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consent 
and against my will. I have neither agreed to them nor endorse them. I am sorry 
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Re: [Tinyos-help] tinyos source packages?

[Aurélien Francillon]

Kevin Klues a écrit :
> I'll try and put something together sometime this week or next.  Its
> just a matter of finding the time.
> 

that would be great, thanks !
by the way, what about having everything (rpm/deb/source) at the same place?
i.e. under: http://www.tinyos.net/dist-2.0.0/

cheers,
Aurélien

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Re: [Tinyos-help] TOSH_DATA_LENGTH - size limit of 150 [TinyOS 1.x]

[Aurélien Francillon]

Hi,

Agnelo Silva a écrit :
> Altering the default value 29 of the constant TOSH_DATA_LENGTH in AM.h 
> file (it is also possible, and recommended, to do this in the Makefile 
> of the application directory), I verified that it is possible to change 
> the payload data of our TOS message.
> 
> I made some tests and found the exact limits: inferior 10 and superior 
> 150.  So, after these tests, 2 questions arose:
> 1) Where is defined these limits? Any platform dependency (I supposed so)?
well for 802.15.4 platforms the ieee standard limits the maximum packet 
size (to 128 IIRC), the minimum is probably platform/application 
dependent ...

> 2) What are the final "size" of the packet, considering that I already 
> know the TOS message format to use? The question is related to any 
> possible low level 'stuff' that could be added by the link and physical 
> layers. Any tip or suggestion about additional reading here would be 
> very appreciated.

look at the message.h and platform_message.h (i.e. under 
tos/platforms/micaz/ for micaz) for details but  TEP 111 [1] has 
probably all the information you would need.

Cheers
Aurélien


[1] http://www.tinyos.net/tinyos-2.x/doc/html/tep111.html
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Re: [Tinyos-help] wavelength

[David Moss]

Just calculate it.

 

Wavelength = c / f

 

where c = speed of light ~= 3*10^8 m/s, f = frequency

 

The default channel, 26, is somewhere in the high region of the 2.4 GHz ISM
band, which would be around 2.485 GHz => 2.485*10^9 Hz.

 

Wavelength(high end) = (3*10^8 m/s) / (2.485*10^9 1/s) = 0.1208 meters =>
12.08 cm.

 

The low end of the 2.4 GHz is 2.400 GHz. so the wavelength there is:

 

Wavelength(low end) = (3*10^8 m/s) / (2.0*10^9 Hz) => 15 centimeters

 

So the wavelength is between 12 to 15 centimeters, depending on which
channel you're sitting on.  13 centimeters is a good answer.

 

-David

 

 

 

  _  

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Nahr ...
Sent: Friday, July 18, 2008 5:37 AM
To: Ittipong Khemapech
Cc: tinyos-help
Subject: Re: [Tinyos-help] wavelength

 

I am using cc2420 chipcon with micaz mote
I think I should review CC2420 datasheet

Thanks for all

2008/7/18 Ittipong Khemapech <[EMAIL PROTECTED]>:

It depends upon at which frequency they are working, I guess.

Ittipong

2008/7/18 Nahr ... <[EMAIL PROTECTED]>:

Hi all,


Which is the wavelength of the signals generated by the motes in the TinyOS
implementation?



Thanks a lot.


Nahr Elk

 

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Re: [Tinyos-help] Digital Channels as Output on MDA300CA

[Eric Keller]

I didn't get any response from Chris, and I was wondering if anyone else
could help me use the MDA320/MDA300 digital I/O under Tinyos2?
Eric


On Mon, Jun 9, 2008 at 10:51 AM, Christopher Leung
<[EMAIL PROTECTED]> wrote:
> If you're using TinyOS 2, I made a driver that can control the output of the
> digital pins on the MDA 300 and 320 boards. I made the driver for the Iris
> platform but I think it should also work on MICA2. Reply back if you want
> driver.
>
> Chris
>
>
>
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[Tinyos-help] How to change AES key size in CC2420?

[이종덕]

Hello!

  I am currently trying to use AES-192 or AES-256 in CC2420, but seems very
hard to do it.

  Does anyone have any idea about it?

Thank you,
JD
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[Tinyos-help] PacketLink

[David Valencia]

When using the PacketLink interface, and a node requires retransmission of
a packet, if a BaseStation is being used to monitor network activity will
the BaseStation see all of the retransmission attempts?

As a simple test, I setup one node to transmit a packet using:

call PacketLink.setRetries(&Msg, 30);
call PacketLink.setRetryDelay(&Msg, 10);

before I send, and it transmits to a destination address of a mote that is
not on so I can force the retransmission.

I have a mote programmed with the BaseStation application and all the
BaseStation picks up is the initial packet sent by the mote but not the
re-transmissions.


-- 
Development environment:  CYGWIN
Platform:  TelosB (tinyos-2.x:  cvs disribution)

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Re: [Tinyos-help] Send Messages From PC To Motes Via Serial Port Using Java

[Miky Mike]

Thank you for the suggestions.
I looked deeper at the application AntiTheft and i managed to do my own
application. I can now read messages sent by motes to the PC serial port and
show them in my java GUI.
I was wondering if  there is a possibility of not using the SerialForwarder
and still receive the messages in the format i sent, example:
typedef nx_struct mymessage {
  nx_uint8_t moteID;
} mymessage;

Michael

On Wed, Jul 16, 2008 at 6:04 AM, Michael Schippling <[EMAIL PROTECTED]>
wrote:

> Listen uses, I believe, PacketSource.readPacket() to get a message.
> There is a parallel PacketSource.writePacket(data) method which
> sends an appropriately formatted packet after doing magical
> protocol and crc transformations. Formatting the "data"
> is tricky, my code does it by brute force. The MIG message
> class generator may provide some utility in this respect
> but I tend to want to do things myself.
>
> In the T1 tools tree you can find
>   java/net/tinyos/oscope/OscopeResetMsg.java
> which is the class for the Reset message I mentioned.
> It is used in
>java/net/tinyos/oscope/GraphPanel.java
> which sounds like it should do GUI stuff but actually
> seems to do the real work of the O'scope program.
>
> MS
>
>
>
> Miky Mike wrote:
>
>> Thank You for the reply.
>>
>> The Listen.java program reads packets from the serial port and prints
>> those packets on the command line. I think i understand how that is done.
>> Now i want to write my own packets to the serial port, and that's what i
>> don't know how to do.
>> I couldn't find the Reset message in O'scope as you said.
>> Your example code seems to be a good way for me to learn. I have to spend
>> more time trying to understand it.
>> Again, thank you for the reply.
>>
>> Michael
>>
>>
>>
>> On Tue, Jul 15, 2008 at 6:18 PM, Michael Schippling <[EMAIL 
>> PROTECTED]> [EMAIL PROTECTED]>> wrote:
>>
>>The Listen.java program does just about all that you need
>>vis setting up communications. There's the Reset message
>>in O'scope that shows how to send a message, but not very
>>clearly. My posted code has an example of a Java command
>>line program that sends and receives messages as well:
>>   http://www.etantdonnes.com/Motes/
>>
>>MS
>>
>>
>>
>>Miky Mike wrote:
>>
>>Hello all,
>>I'm doing a project for my university where
>>
>> i'm using tinyos to program
>>
>>micaz motes. I want to do a graphic user interface that allows
>>to send messages to the motes. I've chosen to program the GUI in
>>java but i don't know witch classes from tinyos i need to use to
>>communicate via serial port with the motes. Can anyone help me
>>with this?? I couldn't find any  examples.
>>I've tried to look at the application Oscilloscope but it didn't
>>helped much.
>>
>>Thank You.
>>Michael
>>
>>
>>  
>>
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>>
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Re: [Tinyos-help] cc2420 modulation

[Sarfraz Nawaz]

Chipping sequences and mappings for 2.4GHz Zigbee transceivers are
defined in IEEE 802.15.4 standard and are done in hardware.

On Fri, Jul 18, 2008 at 4:45 AM, Min Guo <[EMAIL PROTECTED]> wrote:
> Dear All,
>
> I want to change the default IEEE 802.15.4 symbol-to-chip mapping (as
> described on page 24 of the datasheet of 2.4 GHz IEEE 802.15.4 /
> ZigBee-ready RF Transceiver), so that there is a chip sequence which
> only contains 0s or only contains 1s.  Does anyone knows how to do
> that?
>
> Regards,
> Min Guo
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[Tinyos-help] [EMAIL PROTECTED]

[xuanwang150]

  Hi All,
>
> I am very new to TinyOS. This mite be a basic doubt. But plz do help me
> ASAP.
>
> When I was trying to compile a program for micaz and It is giving the
> following error.
>
> Basically, I was doing the following ..
>
> [EMAIL PROTECTED] /opt/tinyos-1.x/apps/MicaHWVerify
> $ make micaz
> mkdir -p build/micaz
>compiling MicaHWVerify to a micaz binary
> ncc -o build/micaz/main.exe -Os -finline-limit=10 -Wall -Wshadow
> -DDEF_TOS_A
> M_GROUP=0x7d -Wnesc-all -target=micaz -fnesc-cfile=build/micaz/app.c
> -board=mica
> sb -I%T/lib/Deluge -DIDENT_PROGRAM_NAME=\"MicaHWVerify\"
> -DIDENT_USER_ID=\"jing\
> " -DIDENT_HOSTNAME=\"distil7\" -DIDENT_USER_HASH=0x98292513L
> -DIDENT_UNIX_TIME=0
> x480a7106L -DIDENT_UID_HASH=0x3ea88060L
> -I/opt/tinyos-1.x/tos/lib/CC2420Radio Mi
> caHWVerify.nc -lm
>
> C:/PROGRA~1/UCB/cygwin/opt/tinyos-1.x/tos/platform/micaz/HPLPowerManagementM.nc:
> 49: `PowerManagement.disable' not implemented
>
> C:/PROGRA~1/UCB/cygwin/opt/tinyos-1.x/tos/platform/micaz/HPLPowerManagementM.nc:
> 49: `PowerManagement.enable' not implemented
> make: *** [exe0] Error 1
>
>
>
> Loking forward to hear from you!  Thanks!
>
>   yours
   Wangxuan Liu

 
 
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