freesingal

该程序是用单片机C51语言编写的关于步进电机控制的程序

signal void FreeSignal(void)
{
  while(1)
  {
    PORT0=PORT0|0x08;
	swatch(0.5);
	PORT0=PORT0|0x02;
	swatch(0.5);
    PORT0=PORT0&(~0x02);
	swatch(0.5);
	PORT0=PORT0|0x04;
		swatch(0.5);
    PORT0=PORT0&(~0x04);
	swatch(0.5);
	PORT0=PORT0&(~0x08);
	swatch(1);
	SIN=0x38;
    swatch(2);
	}
	}