[EMAIL PROTECTED] wrote:
> The problem is negative values. If the unit returns the hex value 'e7',
> it means -25, but python says it's 231:
> ---------------------------
>>>> int('e7', 16)
> 231
> ---------------------------
>
> Does anyone have a clue a to what I need to do?
def u2(x):
if x & 0x80: # MSB set -> neg.
return -((~x & 0xff) + 1)
else:
return x
>>> u2(int('e7', 16))
-25
>>> u2(int('12', 16))
18
>>>
w.
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