The swing welding system is composed of DSP2812 logic unit.The pulse of CP and signal of DIR in the driving system were outputted from the timer of the Event Management A(EVA).

• 摆动机构是由主控单元DSP2812以及步进电机驱动器组成的，利用DSP的事件管理模块EVA中的定时器输出CP脉冲和DIR信号，通过步进电机驱动器完成对步进电机的控制。