#include
sbit P1_0 = P1^0;
sbit P1_1 = P1^1;
sbit P1_2 = P1^2;
sbit P1_3 = P1^3;
sbit P1_4 = P1^4;
sbit P1_5 = P1^5;
sbit P1_6 = P1^6;
sbit P1_7 = P1^7;
sbit P2_0 = P2^0;
sbit P2_1 = P2^1;
sbit P2_2 = P2^2;
sbit P2_3 = P2^3;
sbit P2_4 = P2^4;
sbit P2_5 = P2^5;
sbit P2_6 = P2^6;
sbit P2_7 = P2^7;
sbit P3_2 = P3^2;
sbit P3_3 = P3^3;
sbit P3_4 = P3^4;
sbit P3_5 = P3^5;
sbit P3_6 = P3^6;
sbit P3_7 = P3^7;
#define uchar unsigned char
#define uint unsigned int
#define Left_1_led        P3_2  //P3_2接四路寻迹模块接口第一路输出信号即中控板上面标记为OUT1
#define Right_1_led       P3_3  //P3_3接四路寻迹模块接口第二路输出信号即中控板上面标记为OUT2 
#define Left_2_led        P3_4  //P3_4接四路寻迹模块接口第三路输出信号即中控板上面标记为OUT3
#define Right_2_led       P3_5  //P3_5接四路寻迹模块接口第四路输出信号即中控板上面标记为OUT4
#define Left_moto_go      {P1_0=1,P1_1=0,P1_2=1,P1_3=0;}  //左边两个电机向后转
#define Left_moto_back    {P1_0=0,P1_1=1,P1_2=0,P1_3=1;}    //左边两个电机向前走
#define Left_moto_Stop    {P1_0=0,P1_1=0,P1_2=0,P1_3=0;}    //左边两个电机停转                    
#define Right_moto_go     {P1_4=1,P1_5=0,P1_6=1,P1_7=0;} //右边两个电机向前走
#define Right_moto_back   {P1_4=0,P1_5=1,P1_6=0,P1_7=1;} //右边两个电机向前走
#define Right_moto_Stop   {P1_4=0,P1_5=0,P1_6=0,P1_7=0;} //右边两个电机停转  
/*********************************延时函数 ***************************************/ 
void delay(uint k)
{   
  uint x,y;
  for(x=0;x