Did you remake both your base-station and the java code using
the new DATA_LENGTH?
MS
himanshu barve wrote:
> Hello friends ..
> I am having some problem when i receive packet data . I am using Listen
> tool to just have look at what packets i am receiving ..
> I have already changed TOSH_DATA_LENGTH thus i am able to send 9*4 +3*1
> = 39 byte data .
> Now on base mote (connected to pc) i have developed a program which on
> reception of data from radio , transfer it to pc via serial data
> transfer . This program is motivated from Oscilloscope program. I am
> working on telosb platform in T2.
>
> my header file contain structure oscilloscope as
>
> typedef nx_struct oscilloscope {
>
>
>
> nx_int32_t reading1;
> nx_int32_t reading2;
> nx_int32_t reading3;
> nx_int32_t reading4;
> nx_int32_t reading5;
> nx_int32_t reading6;
> nx_int32_t reading7;
> nx_int32_t reading8;
> nx_int32_t reading9;
> nx_int8_t reading10;
> nx_int8_t reading11;
> nx_int8_t reading12;
>
>
> } oscilloscope_t;
>
> and
> Packet data i am getting is .. (with the help of Listen)
>
> 00 FF FF 00 00 09 00 72 21 00 13 00 01 00 01 00 69
> 00 FF FF 00 00 27 00 93 1E 70 19 12 20 56 E9 80 30 C5 9B 05 32 2D 47 A7
> 63 0E 12
> 56 62 08 53 DB 1C F9 9E 7E 2E 90 7A 37 5E F5 C1 CD 04 04 04
>
>
> 1) Here we can observe that .. PC is receiving 2 messages for only one
> radio message .. WHY ?
> 2) My message length is 39
> here
> 00 FF FF 00 00 ---*09---* 00 72 21 00 13 00 01 00 01 00 69
> 00 FF FF 00 00 ---*27---* 00 93 1E 70 19 12 20 56 E9 80 30 C5 9B 05 32
> 2D 47 A7 63 0E 12
> 56 62 08 53 DB 1C F9 9E 7E 2E 90 7A 37 5E F5 C1 CD 04 04 04
>
> it is either 9 or 27 .. which on adding becomes 38 . all three does not
> equals with my payload length.
>
> 3) 00 FF FF 00 00 09 00 72 21 00 13 00 01 00 01 -----*00 69-------*
> 00 FF FF 00 00 27 00 93 1E 70 19 12 20 56 E9 80 30 C5 9B 05 32 2D 47 A7
> 63 0E 12
> 56 62 08 53 DB 1C F9 9E 7E 2E 90 7A 37 5E F5 C1 CD 04 04 04
>
> the bold part is counter .. which is not set by me ..
>
> please help ..
> thanks in advance ..
>
>
>
> --
> With Best Regards
> Himanshu Barve
> M.Tech Electrical Engineering (Power System)
> IIT Kharagpur , West Bengal , India
> Ph: - +91 9775201181
>
>
> ------------------------------------------------------------------------
>
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