很好的几个FPGA工程设计实例，Verilog编写

				// function.h
				//
				// This file controls which driver functions are enabled.
				
				#ifndef __function_h__
				#define __function_h__
				
				#define DRIVER_FUNCTION_CREATE
				#define DRIVER_FUNCTION_CLOSE
				#define DRIVER_FUNCTION_DEVICE_CONTROL
				#define DRIVER_FUNCTION_READ
				#define DRIVER_FUNCTION_WRITE
				
				#define DRIVER_FUNCTION_ADD_DEVICE
				#define DRIVER_FUNCTION_PNP
				#define DRIVER_FUNCTION_POWER
				#define DRIVER_FUNCTION_SYSTEM_CONTROL
				#define DRIVER_FUNCTION_UNLOAD
				
				#define DRIVER_FUNCTION_CLEANUP
				
				#endif