Re: [Tinyos-help] S-MAC/SCP-MAC implementation in TinyOS

2010-02-18 Thread renjie huang
*** ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http

[Tinyos-help] TOSSIM problem with global variables defined in non-nesc files

2010-01-19 Thread renjie huang
, then each simulated mote uses separate memory. I am wondering whether anyone else observed this problem. Thanks very much. -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help

Re: [Tinyos-help] CC1101/MSP430F1611 based open hardware motes

2009-12-27 Thread renjie huang
If you have questions regarding to this platform, you can directly contact the designers: Wen-Zhan Song (son...@wsu.edu) or Gang Lu (lvganglvg...@gmail.com) On Sat, Dec 26, 2009 at 4:27 PM, renjie huang huangrenjie.h...@gmail.comwrote: You may take a look at this https

Re: [Tinyos-help] CC1101/MSP430F1611 based open hardware motes

2009-12-26 Thread renjie huang
them. Andres Vahter ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu

Re: [Tinyos-help] TOSMAKE_PATH to include my support/make

2009-11-08 Thread renjie huang
) === TinyOS-2.x TOSMAKE_TEMP_PATH := $(TOSMAKE_PATH) TOSMAKE_PATH = $(TINYOS_MAKE_PATH) TOSMAKE_PATH += $(TOSMAKE_TEMP_PATH) I am not so clear with the difference. On Tue, Oct 20, 2009 at 12:26 PM, renjie huang huangrenjie.h...@gmail.comwrote: Hi I want to include some *.extra files

[Tinyos-help] TOSMAKE_PATH to include my support/make

2009-10-20 Thread renjie huang
. printenv . It looks like TOSMAKE_PATH does not affect anything. It works only if I copy myRootDir/support/make/*.extra to tinyos-2.x/support/make/ Thanks for any advice on that. Thanks. -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

Re: [Tinyos-help] help:serial problem of telosb in tinyos-2.x

2009-08-25 Thread renjie huang
@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang

Re: [Tinyos-help] help:serial problem of telosb in tinyos-2.x

2009-08-25 Thread renjie huang
-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin

[Tinyos-help] help on serialforwarder for bad packet problem

2009-08-24 Thread renjie huang
packet serial@/dev/ttyUSB0:115200: bad packet serial@/dev/ttyUSB0:115200: bad packet serial@/dev/ttyUSB0:115200: bad packet -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help

Re: [Tinyos-help] DAC code for Telos platform

2008-11-12 Thread renjie huang
! ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

Re: [Tinyos-help] DAC code for Telos platform

2008-11-12 Thread renjie huang
HI The related files are attached. Hope it will help. On Wed, Nov 12, 2008 at 5:20 PM, Kevin Ong [EMAIL PROTECTED] wrote: Hi Can you be more specific? I can't seem to locate the code that you had mentioned.Please assist...Tks -- *From:* renjie huang [EMAIL

Re: [Tinyos-help] tmote sky interface ADC

2008-11-10 Thread renjie huang
? ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

[Tinyos-help] mic and speaker driver for tmote invent

2008-10-29 Thread renjie huang
Hi Have someone port the microphone and speaker driver from T1 to T2 for tmote invent? Thanks -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help

[Tinyos-help] initial backoff in CC2420

2008-08-06 Thread renjie huang
for the transistion from RX-TX? But it should not take such a long time -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https

Re: [Tinyos-help] About TOSH_READ_RADIO_CCA_PIN()

2008-06-13 Thread renjie huang
/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo

Re: [Tinyos-help] CC2420 radio

2008-06-13 Thread renjie huang
-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi

Re: [Tinyos-help] cc2420 transmission delay ( backoff times)

2008-06-13 Thread renjie huang
32us? if so, the ack wait time should be 8.192ms. -- Jongkeun ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research

[Tinyos-help] power consumption

2008-05-30 Thread renjie huang
Hi I have some question regarding how to measure power consumption on sensor motes. 1. Is current is the best way to measure power consumption? 2. Can someone recommend me some tools to do it? It seems that multi-meter can not achieve high accuracy. 3. Does someone try to measure current

[Tinyos-help] crc for cc2420

2008-05-21 Thread renjie huang
? -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help

Re: [Tinyos-help] adjustLQI function

2008-05-06 Thread renjie huang
sollicités http://mail.yahoo.fr Yahoo! Mail ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http

Re: [Tinyos-help] Strange msp430-gcc warning

2008-04-29 Thread renjie huang
be something wrong with the compiler. ~Dimas~ ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http

Re: [Tinyos-help] TOSSIM and Telosb

2008-04-23 Thread renjie huang
___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

Re: [Tinyos-help] UserButton : detect change of state

2008-04-22 Thread renjie huang
mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing

Re: [Tinyos-help] average data frame size

2008-04-21 Thread renjie huang
___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

Re: [Tinyos-help] TIMER

2008-04-21 Thread renjie huang
@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help

Re: [Tinyos-help] TOSSIM

2008-04-21 Thread renjie huang
___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

Re: [Tinyos-help] packet ratio (urgent)

2008-04-20 Thread renjie huang
___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

Re: [Tinyos-help] Weird Results FromSensors

2008-04-20 Thread renjie huang
https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https

Re: [Tinyos-help] Activating node

2008-04-20 Thread renjie huang
(a); m.bootAtTime(45654); a--; thnk you very much Nahr Elk ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research

[Tinyos-help] CCA for channel detection

2008-04-20 Thread renjie huang
is detected \n, call CC2420Control.GetPreset()); This seems that CCA is not relaible. I don't know what is wrong with my code. Any advice is appreciated. Thanks -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

Re: [Tinyos-help] CCA for channel detection

2008-04-20 Thread renjie huang
. -David -- *From:* [EMAIL PROTECTED] [mailto: [EMAIL PROTECTED] *On Behalf Of *renjie huang *Sent:* Sunday, April 20, 2008 4:17 PM *To:* tinyos-help *Subject:* [Tinyos-help] CCA for channel detection Hi I am trying to use CCA for a node to detect

Re: [Tinyos-help] CCA for channel detection

2008-04-20 Thread renjie huang
Thanks Philip. It is very useful. On 4/20/08, Philip Levis [EMAIL PROTECTED] wrote: On Apr 20, 2008, at 5:35 PM, renjie huang wrote: Hi David Yes, I ignored 802.11 interference. Thanks for your advice. That is a much better solution. Figure 6 of SING tech report SING-06-00 plots

[Tinyos-help] interference mode in T2

2008-04-17 Thread renjie huang
Hi In lesson 11, it says that This model can capture bursts of interference and other correlated phenomena, such that it greatly improves the quality of the RF simulation. It is not perfect (there are several things it does not handle, such as correlated interference at nodes that are close to

[Tinyos-help] java 1.5

2008-04-16 Thread renjie huang
Hi If Java 1.5 is a compulsory requirement for TinyOS2? -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https

[Tinyos-help] imote2

2008-04-14 Thread renjie huang
, there are some compile errors. -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin

Re: [Tinyos-help] Set transmission power in CC2420

2008-04-11 Thread renjie huang
before. But no answer is given. Thanks, Chris ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http

Re: [Tinyos-help] Flooding Time Synchronization

2008-04-11 Thread renjie huang
. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

Re: [Tinyos-help] sendDone not signalled when i send packet over radio

2008-04-11 Thread renjie huang
https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu

Re: [Tinyos-help] graphviz warning in tos-check-env

2008-04-11 Thread renjie huang
. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

Re: [Tinyos-help] Flooding Time Synchronization

2008-04-11 Thread renjie huang
/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin

Re: [Tinyos-help] anyone working on multi-hop routing protocol

2008-04-10 Thread renjie huang
) { //resend } } Help me in solving this problem Thanks, Poonam ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research

Re: [Tinyos-help] cygwin help

2008-04-10 Thread renjie huang
-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi

Re: [Tinyos-help] Including/embedding C code in a nesC application

2008-04-09 Thread renjie huang
___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

[Tinyos-help] link metric

2008-04-08 Thread renjie huang
concurrent transmission. Using SNR as link indicator may also has the same problem. Can someone give me any advice on this? I don't know whether TinyOS2 introduces some new link metric. -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University

Re: [Tinyos-help] link metric

2008-04-08 Thread renjie huang
Thanks, Dr Phlip. On 4/8/08, Philip Levis [EMAIL PROTECTED] wrote: On Apr 8, 2008, at 4:30 PM, renjie huang wrote: Hi Can someone share with me experience of what routing metric is better when data rate is high? Currently I am using MultihopLQI. When the data rate is low, it works

[Tinyos-help] ZMAC

2008-04-07 Thread renjie huang
Hi In tinyos, ZMAC is implemented for CC1000. But has it been port to CC2420? -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu

Re: [Tinyos-help] interface parameter as a specification element.

2008-04-07 Thread renjie huang
-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi

Re: [Tinyos-help] Environment Variable Linux

2008-04-02 Thread renjie huang
-- ::: http://www.travian.ae/?uc=ae2_26656 ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang

Re: [Tinyos-help] Graphviz cannot be found by cygwin

2008-03-31 Thread renjie huang
/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu

Re: [Tinyos-help] Is transmitted packet size fixed or variable?

2008-03-31 Thread renjie huang
@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help

Re: Re: Re: [Tinyos-help] How to send a string to PC through UART

2008-03-30 Thread renjie huang
,UBRR0L. What should I do now? Sorry to trouble you again. Best wishes! Cui 在2008-03-30,renjie huang [EMAIL PROTECTED] 写道: Hi For TinyOS-1.x, if you want, you can use our debug tool. It is used to print information to UART. See to attached files. On 3/29/08, Cui Lin [EMAIL

Re: [Tinyos-help] How to send a string to PC through UART

2008-03-29 Thread renjie huang
易 梦 幻 西 游 ,166 万 玩 家 同 时 在 线 http://event.mail.163.com/chanel/click.htm?from=NO_26domain=163 ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang

Re: [Tinyos-help] issues including serialsource.h in C++ code

2008-03-29 Thread renjie huang
://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https

Re: [Tinyos-help] help with tracking someone entering a room

2008-03-28 Thread renjie huang
/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman

Re: [Tinyos-help] help with tracking someone entering a room

2008-03-28 Thread renjie huang
the signal is bouncing through on it's way from one mote to another). It might work better work when the 2 motes are close to each other (the rssi value is very high, it drops off quickly after a short distance. Your mileage may vary. David. On Fri, Mar 28, 2008 at 8:09 PM, renjie huang

[Tinyos-help] cca detect channel

2008-03-27 Thread renjie huang
channel = 21 is detected That is not correct. It should not output anything. In my understanding, if CCA pin is low, then the channel has not transmission activity Is my understanding correct? What is wrong with my code? Thanks for any advice. -- Renjie Huang Sensorweb Research

Re: [Tinyos-help] How to terminate a simulation?

2008-03-27 Thread renjie huang
://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu/ Washington State University ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https

Re: [Tinyos-help] tossim source code modification

2008-03-26 Thread renjie huang
illimitée pour vos emails. ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http://sensorweb.vancouver.wsu.edu

Re: [Tinyos-help] AM Group Address Verfication in CC2420

2008-03-24 Thread renjie huang
on CC2420ControlC's CC2420Config interface. Greg Hackmann ___ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help -- Renjie Huang Sensorweb Research Laboratory http

[Tinyos-help] initialBackoff and congestionBackoff

2008-03-17 Thread renjie huang
Hi What is the relationship between initialBackoff and congestionBackoff in CC2420? In TinyOS-1.x, initialBackoff is smaller than congestionBackoff, but in T2, initialBackoff is larger value. I searched mailing list and some one mentioned that usually initialBackoff is bigger than

Re: [Tinyos-help] initialBackoff and congestionBackoff

2008-03-17 Thread renjie huang
Thanks Yiannis On 3/17/08, Yiannis Yiakoumis [EMAIL PROTECTED] wrote: renjie huang wrote: Hi What is the relationship between initialBackoff and congestionBackoff in CC2420? In TinyOS-1.x, initialBackoff is smaller than congestionBackoff, but in T2, initialBackoff is larger value

[Tinyos-help] FIFOP AND FIFO OVERFLOW

2008-03-16 Thread renjie huang
In CC2420 datasheet, it says that If an overflow occurs in the RXFIFO, this is signalled to the microcontroller by setting the FIFO pin low while the FIFOP pin is high. But I am confused when I read the code in CC2420 for TinyOS-1.x. From the code ,it seems that both FIFO pin and FIFOP pin are

[Tinyos-help] SACK

2008-03-16 Thread renjie huang
It seems that in TinyOS-2.x for CC2420 SACK strobe is issued when SACK_HEADER_LENGTH bytes of data is received and address check is passed. In this way it does not check crc before issuing SACK. Is it reliable enough? Why don't we wait until the whole packet is received from RXFIFO? If I want to

Re: [Tinyos-help] FIFOP AND FIFO OVERFLOW

2008-03-16 Thread renjie huang
Thanks, Sha. Now I know what active high is, but I can not find the definition of active active high. Is it reverse(active low)? On 3/16/08, Liusand [EMAIL PROTECTED] wrote: FIFOP pin is active active high by default. -Sha *From:* renjie huang [EMAIL PROTECTED] *Sent:* Sunday, March

Re: [Tinyos-help] crc and corrupted packets

2008-03-06 Thread renjie huang
Packetizer should catch bad CRC's so your own check would be redundant. If you have written your own CRC code that's a likely culprit... MS renjie huang wrote: Our java program occasionally receives some corrupted packet as following. I think there are two possible places where a packet

Re: [Tinyos-help] crc and corrupted packets

2008-03-06 Thread renjie huang
on). On the contrary, in UART some packets have wrong length. Therefore, UART may be the true reason. But if it is related to UART, why it only happen to Telosb and Imote2, but not micaz. not much use, I know... MS renjie huang wrote: Hi *Michael * In fact, I do not do my own CRC check in java

Re: [Tinyos-help] crc and corrupted packets

2008-03-06 Thread renjie huang
kind of lock on the buffer until it's done transmitting, right? Any possibility of a rogue pointer in the rest of your base-station code? MS renjie huang wrote: On 3/6/08, *Michael Schippling* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: oopsI see, you are getting

[Tinyos-help] crc and corrupted packets

2008-03-05 Thread renjie huang
Our java program occasionally receives some corrupted packet as following. I think there are two possible places where a packet is corrupted. 1. CC2420RadioM Our case is a bit similar to that is reported by http://mail.millennium.berkeley.edu/pipermail/tinyos-help/2006-August/018704.html. Our data

[Tinyos-help] packet from PC cause Sink to die

2008-03-04 Thread renjie huang
Sometimes when I send RPC commands to sensor network to adjust sampling rate, the sink die . I need to disconnect power to restart it again. What I use is Tinyos-1.x and Imote2 platform. Moreover, when I implemented a reliable data transport module, this also happended. It works as following:

[Tinyos-help] False acknowledgments and CRC

2008-03-04 Thread renjie huang
When I read following link, I have some questions: http://docs.tinyos.net/index.php/CC2420_Known_Issues False acknowledgments can get sent back for corrupted packets that are not actually received. The issue is that acknowledgements are sent before the CRC check is performed. Does it mean

[Tinyos-help] False acknowledgments and CRC

2008-03-04 Thread renjie huang
When I read following link, I have some question: http://docs.tinyos.net/index.php/CC2420_Known_Issues False acknowledgments can get sent back for corrupted packets that are not actually received. The issue is that acknowledgements are sent before the CRC check is performed. Does it mean