Hello, might not be a real FPGA question, but I hope that some of you doing not only the hardware part but also working with the Xilinx SDK. I try to use the CAN controller on e ZedBoard under Linux. I *think* that I have done the CAN_L and CAN_H routing correct to the FMC connector. Now I read and write to the CAN controller registers. It seems to be correct, if I look what I'm reading back. BUT, nothing happens at the CAN lines at the FMC connector. What am I missing? Do I need special clock settings in some other register, not CAN. Or What else has to be programmed in order to get the CAN working?
Best regards Heinz