[etherlab-users] Bit offset + write macros

Florian Pose fp at igh-essen.com
Wed Feb 4 12:14:43 CET 2009


On Wed, Feb 04, 2009 at 10:00:39AM +0100, Christian Gieseler wrote:
> My example configuration is shown below. Slave0 and Slave1 are free
> configurable slaves (Beckhoff FB1111-0140 Module).

Then either try to pad the following PDOs with 7 bits, or map the one
bit after the 8-bit PDO entries. ;-)

As you experienced, it is indeed ugly to have byte- or multi-byte
values, that are not byte-aligned. That's why slave vendors usually
don't do such things...

-- 
Best regards,
Florian Pose

http://etherlab.org



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