The reason for the error is you have defined the localparam s inside unnamed begin/end blocks. You need to give them a name to access them ... ... <看更多>

Question1： Why is the state of FSM and Emun defined with define? This introduces hidden risks, for example: There are 3 verilog files, a.v, ... ... <看更多>

You've got the order wrong. When using module-instance parameter value assignment (the rather wordy terminology for this method), ... ... <看更多>