python ctype recursive structures

Question

I\'ve developped a DLL for a driver in C. I wrote a test program in C++ and the DLL works fine.

Now I\'d like to interract with this DLL using Python. I\'ve successf

Answer 1

You'll have to access _fields_ statically after you've created it.

class EthercatDatagram(Structure)
  _fields_ = [...]

EthercatDatagram._fields_.append(("next_command", EthercatDatagram))