We are going to use FX3.0 instead of FX2LP in our design. However, I did not find any sample code for the interrupt endpoint. In our design, we are using an interrupt endpoint to send command to the FX and based on the received command an specific action should take place. For example, configuring an FPGA by using GPIO, ...
I would appreciate it if you could provide me a code sample,
We don't have an example that can be given out at this point of time. Using our documents you should be able to get the interrupt endpoint up and running. We should be able to help/resolve any issues you face in doing this.