基于VC++的电机运行，停止，转速控制DLL及测试程序-Based on motor running in VC++, stop, speed control DLL and test procedures

通过P1.0口来控制直流电机的旋转的快慢 在数码管的最后一位显示档位，按S19按键，会调一个档位，并且直流电机的转速会发生变化-By P1.0 port to control the speed of rotation of the DC motor the last one in the digital tube display stalls, according to S19 button will bring up a gear and DC motor speed will cha

永磁同步电机滑模控制，转速环控制，对干扰和不确定性具有抑制作用。(The sliding mode control of permanent magnet synchronous motor (PMSM) and speed loop control can suppress the interference and uncertainty.)