On 31-10-11 08:41, KPL wrote:

> If I am using part of a port for some external device, and defined a
> whole port as an output:
>
> portb_direction =3D output

Be warned for this pitfall!
'output' is defined as '1'. As a consequence only pin_B0 would become=20
output. To make all pins of PortB output you should specify:

   portB_direction =3D all_output

Regards, Rob.

--=20
R. Hamerling, Netherlands --- http://www.robh.nl
--=20
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