Subject:
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Respondre el missatge: Use of lnp_addressing_write() in an RCX program.
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Fri, 27 Feb 2004 12:41:34 GMT
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Viewed:
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4696 times
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You must send the packet to port 0 of the destination. The dest address is conformed by the address in the upper 4 bits and the port in the lower 4 of the char. So if you put address = 6 you are saying -> host=0 port=6 and you must send to host=6, port=0. So it would be: dest_addr= 0x60 (in hex).
let me know if it worked.
good luck.
Gerard.
----- Missatge original -----
De: Brian Jorgage <brian.jorgage@villanova.edu>
Data: Dimarts, Febrer 24, 2004 10:50 pm
Assumpte: Use of lnp_addressing_write() in an RCX program.
> Hello all. I wrote a small program using lnp_addressing_write() to
> remotelychange the host address of one RCX from another. It
> doesn't work. I get an
> occasional flash of IR icon on receiving unit - that's it. Please
> take a look:
>
> int main(int argc, char **argv)
> {
> unsigned char buffer[256+3]="";
> buffer[0]=7; // CMDsethost;
> buffer[1]=3; // addr=3
>
> if(lnp_addressing_write(buffer,2,6,0)) // 3rd arg = addr of target
> rcx
> { // in this case it is 6
> cputs("error");
> return -1;
> }
> cputs("ok");
> return 0;
> }
>
> Any ideas about what is wrong ?
>
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