该目录下的程序使用RTX内核模拟步进电机的运行，运行的模式为顺时针方向旋转半步驱动模式。液晶屏上的四个圆点模拟激活输出驱动器的四个阶段-Procedures in the directory using the RTX kernel simulation of stepper motor operation, the run mode for clockwise rotating half-step drive mode. Four dots simulated on the LCD scree