how to convert 3 byte to float

[Mario M. Mueller]

Hendrik van Rooyen wrote:
>  "Mario M. Mueller" <ne...ller at arcor.de> wrote:
> 
> 
>> I uploaded a short sample data file under
>> http://www.FastShare.org/download/test.bin - maybe one can give me
>> another hint... In a full data example max value is 1179760 (in case one
>> looks only at the eye-cathing "65535"+- values).
> 
> I clicked on the link and got nothing but rubbish trying to predict how
> old I would get, so I gave up and am flying blind.

Sorry, it's a one click hoster. I cannot tell anything about this rubbish -
I use Adblock Plus. :)

> Some A to D's are not two's complement, but have strange formats with an
> independent sign bit in the highest order.
> 
> And of course there is big and little endian - so there are something like
> 2x2 = 4 things to try - twos compl. big and little, and signed big and
> little.
> 
> Unless there is a protocol interfering - how do you know, in the byte
> stream, where a value starts and stops - is it cr,lf delimited?

I have files containing only the data. Marek's fix to my code solves the
challenge.

Mario