Hi, there
For my experiment, the RF transmission power control is important. And the
battery voltage may drop all the way as the time elapses, I'm wondering
whether the transmission power can be inflected by the battery drop? or it
doesn't matter in a certain voltage range. I know there is a
Hi there,
I've scrutinized some papers talking about the packet loss vs power and
distance etc. and try to model the routing metric. I am wondering that
whether I can investigate the Bit error rate using iris mote. I checked the
RF230 data sheet, it looks that in extended mode, when a packet CRC
Hi, there
I'm wondering whether it is possible to change RF230 channel in the packet
level and could anyone told me that where is the DRF230_DEFULT_CHANNEL
initially defined?
Any reply is appreciated
sincerely
Peng
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Hi, there,
I'm trying to find the corresponding file to cc2420spip.nc file in RF230,
but I can't. The file in RF230 using SPI communication seems used in
RF230LayerP.nc file but unlike cc2420, for eg. RSSI value can directly get
from IEEE154PacketP.nc rather than RF230's RSSI register(like cc2420
Hi, there:
I've tested iris mote communication range, the distance when mote run in the
smallest power seems still too large to deploy in office environment to test
multi-hop routing algorithm. Is someone here know how to shorten mote's
communication range further?
Any reply is appreciated
Hi there,
Our group is using IRIS node, and we want to implment some algorithm that
the node transmit power can be dynamic changed according to a certain metric
(Possbly the duration between the adjustment may very short). Possibly is
based on TYMO, and add addtional fields in its RREQ and RREP
Hi there,
about the error_t in AMSend interface provided by AMSenderC
the send command does not return to SUCCESS but 6 (I see from LED)
Someone can tell me what is that meaning when return to 6?
sincerely
Peng
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Hi there,
I encounter some wire problem here,
ForwardingEngineC.nc:146: SubPacket.getPayload not connected
ForwardingEngineC.nc: In function `sendtask.runTask':
ForwardingEngineC.nc:121: SendQueue.empty not connected
ForwardingEngineC.nc:126: SendQueue.head not connected
Hi, there
Does anyone has a copy of Romain's Thesis? I find on the internet for a
while but did not find it.
Could someone send me a copy? Implementation and Evaluation of the DYMO
Protocol in Wireless Sensor Networks
Thanks
sincerely
Peng
___
Hi there,
I' m scrutinizing the CTPForwardingEngine now, I'm little confused by the
function forward(); I realize the QEntryPool is necessary, for it will put
a new recieved packet into the queue. But I cannot understand the function
of MessagePool. Everytime it grab a space from this pool and
Hi there,
I'm scrutinizing the CTP protocol now, especially the CTPForwardingEngine.
I' little confused with the three data structures: queue, pool and cache.
It seems that once we want to send a packet by the radio, we first dequeue
the packet and put it back to the message pool and look up the
Hi There,
When do AntiTheft tutorial. I install root in one basestation (iris+mib520)
and nodes two nodes with mts310.
and use the
java net.tinyos.sf.SerialForwarder -comm [EMAIL PROTECTED]:57600
in one cygwin window and
I open another cygwin window and go to the ../AntiTheft/java file
./run
Hi there,
When do AntiTheft tutorial. I install root in one basestation (iris+mib520)
and nodes two nodes with mts310.
and use the
java net.tinyos.sf.SerialForwarder -comm [EMAIL PROTECTED]:57600
in one cygwin window and
I open another cygwin window and go to the ../AntiTheft/java file
./run
Hi there
when compile the nodes I got
AntiTheftC.nc: In function `RadioControl.startDone':
AntiTheftC.nc:147: LowPowerListening.setLocalDutyCycle not connected
when compile the root I got
AntiTheftRootC.nc: In function `RadioControl.startDone':
AntiTheftRootC.nc:58:
Hi there,
when I compile the /opt/tinyos-2.x/support/sdk/java, one file seems cannot
compile.
make[3]: Entering directory `/opt/tinyos-2.x/support/sdk/j
... /opt/tinyos-2.x/support/sdk/java/net/tinyos/tools
javac Listen.java
javac ListenRaw.java
javac MsgReader.java
javac PrintfClient.java
Hi there,
When I install using tos-install-jni in the cygwin it print:
Installing 32-bit Java JNI code in /cygdrive/c/Java/j2sdk1.5.0/jre/bin ...
install: cannot stat `/usr/lib/tinyos/*-32.dll': No such file or directory
I searched the tinyos-help-archive their methods seem do not work for
Hi, there
our group is considering to set a small system that can set a certain
threshold from PC and transmite it to remote sensor node by basestation, and
the remote node can reset its light threshold to the new one.
And after I reading the xserve manual, I dicover that XML is used in Xserve
Hi there,
anyone can tell me the differences between include and includes?
Peng Jia
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Hi, there
Our group is considering to set a little system that we can set a certain
photo threshold from the basestation (the keyboard of the computer) to a
sensor node, and when the light is below that threshold, it will transmit
the packet to the basestation. I think the key problem is (set
Hi,
every time I want to download the program to my mote mounted on mib520
I am using federo linux
it print this:
cp build/iris/main.srec build/iris/main.srec.out
installing iris binary with dapa
uisp -dprog=dapa --wr_fuse_h=0xd9 -pm1281 -U efuse:w:0xff:m --erase
pulse
An error has
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