Pi-Plate Python Code To SPI


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I purchased this Relay PI-Plate and it works very well using python. I though I could expand its uses with codesys and make my own driver. I emailed the support and asked for a C library or if they would explain more about how the driver works. They said no they would not help, develop a C library. The python library was the only thing they would supply, but I was welcome to develop my own library based on their python library. I read how to develop a SPI bus device driver on the forge and though I would give it a shot. Below is what I discovered so far.

My main goal would be to add a device under the SPI bus master and map each relay to a boolean value. Also the relay. I would like to get also poll all the board information and map that to a variable.


[Pi-Plate Information]
[Relay Plate Python Code]
[Convert to Python to Codesys]


Wiki: Convert to Python to Codesys
Wiki: Pi-Plate Information
Wiki: Relay Plate Python Code