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- Jan-Hinnerk Reichert
August 23, 2003, 12:38 am
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The word "n-coder" is confusing me a bit, because "n" usually
represents a natural number. It is also preventing search engines
from finding your post. So please say "encoder". IMO "n-coder" is
neither cooler nor shorter than "encoder".
What kind of encoder are you using? I assume it is a quadrature, but
am not sure.
The outputs of a quadrature decoder look like this, when turned in one
direction (use a font with constant width to view)
__ __ __
A __ __ __
__ __ __
B _ __ __ _
Search the web for "quadrature decoder avr"
You are right here ;-)
It is generally a good idea to mention what compiler and
microcontroller you are using.
Recent versions of gcc don't need the "inb" function, just write
if (!(PIND & 8))
or even better
Same as above for "outp". Better write
DDRD = 0;
Can't say more about the code, until I know more about your decoder.