I would like to share a Lazarus/FreePascal library for direct access to Siemens PLC families Simatic S7 200/300/400/1200/1500/LOGO:
https://bitbucket.org/avra/pasettimino
One day I might even "downgrade" it and make an AvrCo lib
https://bitbucket.org/avra/pasettimino
One day I might even "downgrade" it and make an AvrCo lib