[Tinyos-help] Transmisison delay 32khz Timer precision in telosb mote

2012-04-06 Thread Han Bin
Dear everybody, 1. I'm implementing MAC protocol on tinyOS 2.1 and telosb mote. I use AMSend/ActiveMessageC interface to send and receive messages. There is no collision because only one node sends message to another node. I also disable initial backoff by calling command call

Re: [Tinyos-help] help lesson 4 - The java class is not found: TestSerial

2012-04-06 Thread tifenn . rault
Hello everyone Thanks a lot to Michael, Varun, Janos, Andris and Prasanth for their quick responses. I finally get it.In fact, there were two problems. 1) My JNI files were not correctly installed. This was because : A) I had to modify the tos-install-jni file to change the uname and

Re: [Tinyos-help] Ctp

2012-04-06 Thread Omprakash Gnawali
On Wed, Feb 29, 2012 at 7:59 PM, yanzhi zeng zengyan...@gmail.com wrote: Hi, who has a demo that uses Ctp protocol, I want to learn how to use Ctp. This is a good place to start: http://docs.tinyos.net/tinywiki/index.php/Network_Protocols - om_p ___

[Tinyos-help] Information about how to use Hash functions in NesC

2012-04-06 Thread abel freijo
Hello, I'm new here, my name is Abel and I am a final year student of Computer Engineering, and my final degree project is related to sensor networks, so lately I'm looking for information about this issue. I am writing to you because I have a problem, I need to know how to apply Hash functions

Re: [Tinyos-help] Information about how to use Hash functions in NesC

2012-04-06 Thread Eric Decker
nesC is a superset of C. So if you know how to work with hash functions in C then you should be golden. If that still doesn't make sense then you are out of luck and your question is beyond the scope of this list (its too basic, it's like how do I program such and such a function in C). On

Re: [Tinyos-help] Low duty-cycled Trickle protocol

2012-04-06 Thread Gary Lee
I am wondering what kind of time synchronization (working schedule) sensor nodes have in Collection Tree protocol? As stated in CTP paper, Trickle is used for adaptive beaconing. Suppose node A and node B are neighbors. Nodes A is about to send a beacon when Trickle timers expires. However, node