#include<reg52.h>
int k=0;
/**************电机驱动信号引脚定义**************/
sbit IN1=P0^3;
sbit IN2=P0^2;
sbit IN3=P0^1;
sbit IN4=P0^0;
/************光电对管输入信号引脚定义************/
sbit Left2=P1^3;
sbit Left1=P1^2;
sbit Right1=P1^1;
sbit Right2=P1^0;
/*************电机PWM信号输出引脚定义*************/
sbit Left_moto_pwm=P2^0; //PWM信号端
sbit Right_moto_pwm=P2^1;
/****************电机运动简便定义****************/
#define Left_moto_go {IN1=1,IN2=0;}
#define Left_moto_back {IN1=0,IN2=1;}
#define Right_moto_go {IN3=1,IN4=0;}
#define Right_moto_back {IN3=0,IN4=1;}
/*************相关变量定义***********/
unsigned char pwm_val_left =0;
unsigned char push_val_left =0;
unsigned char pwm_val_right =0;
unsigned char push_val_right=0;