Of course Jan, but i meant for transferring binary data, sometimes you 
just cant leave any char as invalid, because the invality check would be 
worst that just adding the bytes to be sent :)


Jan-Erik Soderholm wrote:

>Mauricio Giovagnini wrote :
>
>  
>
>>You must use a "bytes_to_be_sent" byte that will tell your 
>>app how many  bytes he has to wait until receiving the carriage return.
>>This is because if your code sends a data IDENTICAL to the carriage 
>>return, your frame will be cutted.
>>    
>>
>
>No, the "CR" could (and I read Roberts post as it was) be defined
>as an invalid data character. It's only used as the end-of-string
>indicator. Should be no problem.
>
>I think the real problem is burried in the structure of the code as such.
>How the interrupt is handled and so on.
>
>Jan-Erik.
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