PCB抄板超声波测距显示并避障的单片机程序
PCB抄板单片机源程序如下:
- #include <reg52.h>
- #define uchar unsigned char
- #define uint unsigned int
- sbit K1=P1^0; //P1.0到P1.4为寻线检测端
- sbit K2=P1^1;
- sbit K3=P1^2;
- sbit K4=P1^3;
- sbit K5=P1^4;
- sbit KIN1=P1^5; //P1.5 P1.6是避障检测端
- sbit KIN2=P1^6;
- sbit out1 = P2^0 ; //P2.0到P2.3是电机驱动输出控制端
- sbit out2 = P2^1 ;
- sbit out3 = P2^2 ;
- sbit out4 = P2^3 ;
- sbit Trig = P3^3; //产生脉冲引脚
- sbit Echo = P3^2; //回波引脚
- sbit beem= P3^7; //蜂鸣器控制引脚
- sbit PWM=P1^7; //舵机pwm//
- sbit SET1=P2^4 ;
- sbit SET2 =P2^5;
- sbit SET3 =P2^6;
- sbit SET4 =P2^7;
- uchar code seg7code[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
- uint distance[4]; //测距接收缓冲区
- uint distance1;
- uchar ge,shi,bai,temp,flag,outcomeH,outcomeL,PDATA; //自定义寄存器
- bit succeed_flag; //测量成功标志
- unsigned long xdata rec_code;
- unsigned long xdata time_us;
- unsigned char xdata rec_cnt;
- unsigned char xdata kbuf;
- uchar sdata,flag; //sdata是红外遥控接收键值变量 flag是启动小车 或停止小车变量
- uint j,a;
- uchar pro;
- bit rec_b;
- bit key_save;
- bit keyp;
- void chaoshengbo();
- void conversion(uint temp_data);
- void delay_20us();
- void delay_ms(uint x);
- void display ();
- void Init() //初始化
- {
- flag=0;
- Trig=0;
-
- TMOD = 0x11; //T/C1采用16位定时器/计数器
- ET1 = 1; //定时器1开中断
- ET0 = 1;
- TH0 = 0x00;
- TL0 = 0x00;
- TH1 = 0xff;
- TL1 = 0xce;
- TR1=0;
- TR0 = 0;
- //定时计数器启动计数
- EX0 = 1; //外部中断0关中断
- PX0 = 1;
- PT1 = 1;
- EA = 1; //CPU开中断
- }
芯片解密
