🚀 go-pugleaf

On Sun, 04 Oct 2009 23:24:12 +1000, Adam Nielsen
<a.nielsen@remove.this.shikadi.net> wrote:

>Hi all,
>
>Sorry for the basic question but it's been a while!  I have a list of numbers:
>
>  A  | B
>-----+-----
> 0   | 0
> 32  | 3.6
> 64  | 7.6
> 128 | 15.6
> 255 | 31.5
>
>And I need a formula such that I can put in any number (between 0 and 255
>inclusive) for A, and obtain the result B.  Unfortunately because this isn't
>quite straightforward division I'm a bit stuck.
>
>Just for a bit of background I'm writing a Linux driver for a USB-connected PC
>power supply, and the current being drawn on the various rails is reported as
>an 8-bit number (A) and for it to be of any use it will need to be converted
>into amps (B).  The values above are taken from the Windows driver, so there
>could be some rounding issues in the values of B depending on how well that
>code was written.
>
>Annoyingly the six current rails all have slightly different values for B, so
>I'd be grateful for a couple of tips so I can calculate a formula for each of
>those as well.
>
>Many thanks,
>Adam.

 There infinitely many solutions to the problem and each is as correct
mathematically as any other