20 to 25 messages per second is just about all the mica2 can handle
so you may just be overrunning the radio.
MS

leehan0406 User wrote:
> I'm using the tinyos-2.1.0 and mica2.
> In the Oscilloscope,when I change the DEFAULT_INTERVAL into a smaller 
> integral ,like 20,then the sink mote(running BaseStation) can't receive 
> the message correctly,what's the reason and how can I solve it.
> Does the sampling period have a lower bound and the mote can't receive 
> the messages correcting when the sampling period is lower than it?
> Thanks very much.
> the data the PC receive:
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 01 01 AA 01 AA 01 AB 01 AB 
> 01 AA 01 AB 01 AB 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 02 01 AB 01 AA 01 AA 01 AA 
> 01 AA 01 AA 01 AA 01 AB 01 AA 01 AA
>                                                                               
>                                                                               
>           
> packet lost
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 04 01 AB 01 AB 01 AA 01 AA 
> 01 AA 01 AA 01 AA 01 AB 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 05 01 AA 01 AA 01 AA 01 AB 
> 01 AA 01 AA 01 AA 01 AB 01 AB 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 06 01 AA 01 AA 01 AA 01 AA 
> 01 AA 01 AA 01 AB 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 07 01 AB 01 AB 01 AB 01 AB 
> 01 AB 01 AB 01 AA 01 AA 01 AA 01 AB
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 08 01 AB 01 AA 01 AB 01 AA 
> 01 AA 01 AB 01 AB 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 09 01 AA 01 AA 01 AB 01 AA 
> 01 AA 01 AA 01 AB 01 AB 01 AB 01 AB
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 0A 01 AB 01 AB 01 AB 01 AB 
> 01 AA 01 AA 01 AA 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 0B 01 AA 01 AA 01 AB 01 AA 
> 01 AB 01 AA 01 AB 01 AB 01 AA 01 AB
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 0C 01 AB 01 AB 01 AA 01 AA 
> 01 AA 01 AA 01 AA 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 0D 01 AB 01 AA 01 AB 01 AA 
> 01 AB 01 AA 01 AA 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 0E 01 AB 01 AB 01 AA 01 AA 
> 01 AA 01 AA 01 AA 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 0F 01 AA 01 AA 01 AA 01 AA 
> 01 AB 01 AA 01 AB 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 10 01 AA 01 AA 01 AB 01 AA 
> 01 AA 01 AB 01 AB 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 11 01 AB 01 AA 01 AB 01 AB 
> 01 AB 01 AA 01 AB 01 AB 01 AA 01 AA
>                                                                               
>                                                                               
>            
> packet lost
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 13 01 AA 01 AA 01 AB 01 AA 
> 01 AA 01 AB 01 AB 01 AA 01 AB 01 AB
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 14 01 AB 01 AA 01 AB 01 AB 
> 01 AA 01 AA 01 AB 01 AB 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 15 01 AB 01 AA 01 AA 01 AB 
> 01 AA 01 AA 01 AA 01 AB 01 AB 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 16 01 AB 01 AA 01 AA 01 AA 
> 01 AA 01 AA 01 AA 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 17 01 AB 01 AA 01 AA 01 AA 
> 01 AA 01 AA 01 AA 01 AB 01 AA 01 AB
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 18 01 AB 01 AA 01 AA 01 AA 
> 01 AA 01 AA 01 AA 01 AA 01 AA 01 AA
>                                                                               
>                                                                               
>            
> packet lost
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 1B 01 AA 01 AA 01 AA 01 AA 
> 01 AB 01 AA 01 AA 01 AB 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 1C 01 AB 01 AA 01 AA 01 AA 
> 01 AA 01 AA 01 AA 01 AA 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 1D 01 AA 01 AA 01 AB 01 AB 
> 01 AB 01 AB 01 AB 01 AA 01 AB 01 AB
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 1E 01 AA 01 AB 01 AA 01 AA 
> 01 AA 01 AB 01 AA 01 AB 01 AA 01 AA
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 1F 01 AB 01 AA 01 AA 01 AA 
> 01 AB 01 AB 01 AB 01 AB 01 AB 01 AB
> 00 FF FF 00 01 1C 00 93 00 00 00 19 00 01 00 20 01 AB 01 AC 01 AA 01 AA 
> 01 AA 01 AA 01 AA 01 AA 01 AA 01 AA
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> Tinyos-help mailing list
> [email protected]
> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
_______________________________________________
Tinyos-help mailing list
[email protected]
https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help

Reply via email to