On Wed, Jan 25, 2023 at 10:28:55AM +0100, Martin Zaťovič wrote: > Hi Andy, > > thank you for the notes, I am working on fixing them. You have > mentioned, that it seems like the driver which should be generic > provides specific functionality. AFAIK, the Wiegand protocol > does not define the payload length of messages. Most devices use > one of the three formats I have implemented - 26, 36 and > 37-bits. If I understand you right, the Wiegand GPIO bit-banged > driver should allow one to send messages of any length and it > will be up to a device driver to make sure the correct message > length is used. Is this the correct approach? Yes. But it's up to you to come with a final design. I don't know your hardware nor protocol, so I might be mistaken. Hence, try different approaches and look which one is better looking / maintainable / etc. -- With Best Regards, Andy Shevchenko
