RP wrote:
> I can't quite figure out what it's doing wrong but you have :-
> 
> for(i=0;i<BUFFER_SIZE;++i)
> 
> and then later on
> 
> if(i==0 && read_data == 0x42) continue
> 
> but by pre incrementing i, it can never equal 0 in the second if statement.
> 
> maybe the first statement should be :-
> for(i=0;i<BUFFER_SIZE;i++)

The above comment is bogus.
"for(i=0;i<BUFFER_SIZE;++i)" and "for(i=0;i<BUFFER_SIZE;i++)"
will produce identical code on any reasonable compiler.
Pre-increment vs. post-increment only makes a difference if the
incrementing expression is used directly.

-Dale
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