Bob,

yes, that was a typo. the program does run to completion in the sense that it
times out but without any data received at the other end. however, i should
mention that the program works smoothly if xmodem is run in checksum mode as
opposed to CRC mode hence my saying earlier that the problem has been narrowed
down to my crc implementation.

cheers
seyi

Bob Barr wrote:

> Oluseyi Odeinde wrote:
>
> >
> >main(void){
> >     ...........
> >     ..........
> >     ClearCrc();
> >     for (i=0;i<buffer1_size){
> >         UpdateCrc(xmodem_buffer1[i]);
> >     }
>
> This may be an error introduced when you copied the code to the email, but
> without an 'i++' in this for loop, it will never terminate. (The second for
> loop wouldn't terminate either for the same reason.)
>
> Does your program run to completion?
>
> Regards, Bob
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