AD0804驱动，使用新的查表方式，可大大的降低数值运算，节省CPLD的资源,AD0804 driver，using a new method_look up table,which can save a lot of resources of CPLD

AD0804的控制程序，有VHDL和verilog两个方式。还有AD0804的介绍，和状态机控制-AD0804 control program, there are two ways to VHDL and verilog. There AD0804 introduction, and the state machine control