The "usual" thing would be to have a Timer post a send() task, and use a busy semaphore that is reset in sendDone(). Then you only need one global" message buffer.
If it was the receive side that hung up I would look at how you free the internal receive msg buffers. But it might be best to post your code... MS Lee Carol wrote: > Hi Michael and Eric, thank you for replying. > > It's the sending side that failed and I do not know how to debug a > buffer failure.. > After extensive testing, it does seem like some kind of buffer problem > as it always give me a few successful packet then die if I am on the > 40~50Hz but no packet is sent after that. > > Any idea? > Thanks > > On Fri, Jul 22, 2011 at 5:47 PM, Michael Schippling <sc...@santafe.edu > <mailto:sc...@santafe.edu>> wrote: > > If you can't debug it with an LED or two...haha... > Actually I have sometimes used a scope and once > or twice have been forced to use a logic analyzer. > > You should be able to flash the LED exactly as fast as > you can execute a while-loop with a toggle in it. > > There may be a buffer failure. Are you freeing each > message buffer as soon as you are done? Is it the sending > or receiving side that dies, and how do we know? > > My speed tests using T1 and mica's of various flavors > were able to run fairly fast for-mostly-ever, although > 33/second is about the mica2 limit. > > What platform are you using? > > MS > > Eric Decker wrote: > > > > On Fri, Jul 22, 2011 at 2:19 PM, Lee Carol <casab...@gmail.com > <mailto:casab...@gmail.com> <mailto:casab...@gmail.com > <mailto:casab...@gmail.com>>> wrote: > > Hi, I am writing a program that, every time a packet is sent from > mote, LED light toggles. > When I increase the packet sending rate to 33Hz, my mote only > works > for few seconds then stop. > I've examined my code and everything seems to work fine. > Wondering if LED is causing the problem and want to know how fast > the LED can be toggled. > > > probably not. Not much can go wrong with the LED. > > I would recommend that you get a jtag pod and dig into what is > actually going on. trying to debug embedded systems using > printfs and led while doable isnt the most efficient of > programmer time. my not so humble opinion. (I've been doing > embedded stuff since the 70's). > > > Anyone knows? > Thanks for viewing > > Carol > > _________________________________________________ > Tinyos-help mailing list > Tinyos-help@millennium.__berkeley.edu > <mailto:Tinyos-help@millennium.berkeley.edu> > <mailto:Tinyos-help@__millennium.berkeley.edu > <mailto:Tinyos-help@millennium.berkeley.edu>> > > > > https://www.millennium.__berkeley.edu/cgi-bin/mailman/__listinfo/tinyos-help > > <https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help> > > > > > -- > Eric B. Decker > Senior (over 50 :-) Researcher > > > > > ------------------------------__------------------------------__------------ > > > _________________________________________________ > Tinyos-help mailing list > Tinyos-help@millennium.__berkeley.edu > <mailto:Tinyos-help@millennium.berkeley.edu> > > https://www.millennium.__berkeley.edu/cgi-bin/mailman/__listinfo/tinyos-help > > <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
