本程序采用vhdl语言对步进电机及伺服电机进行控制，控制方式灵活，有变速，正反转，显示等多个模块-This procedure using VHDL language of stepper motor and servo motor control, control flexibility, have variable speed, positive, showing a number of modules, etc.

步进电机的转动控制程序,可用于变速,和编码器混合使用-Stepper motor rotation control program can be used for variable speed, and mixed use encoder