超声波共阳极数码管程序超声波共阳极数码管程序#include#include#define uchar unsigned charsbit send=P10; /发射sbit P32=P32; /接收sbit P11=P04; /led 指示灯sbit P15=P05;sbit P16=P06;sbit P17=P07;sbit P25=P03; /4 位 led 数码管sbit P26=P02;sbit P23=P01;sbit P24=P00;sbit P33=P20; /K1sbit P36=P22; /K2sbit P37=P23; /K3sbit P1_0 = P10;/RS485 收发控制引脚bit Flag_data_send = 0;/串行数据发送标志unsigned int U_flag=0;/INT0 中断计数标志，串行发送时间标志unsigned int shangxian,xiaxian;unsigned int x,x1,h;long int s=1234,t;unsigned char cs,biaozhi,biaozhi1,jianzhi0,jianzhi1,nkey,v=34;unsigned char LEDMAP=0XEB,0X0a,0X67,0X6e,0X8E,0XEC,0XED,0X2A,0XEF,0XEE;/“0“, “1“, “2“, “3“, “4“, “5“, “6“, “7“, “8“, “9“unsigned char ledbuf4=0X67,0XEB,0X0a,0X0a;uchar flag=0;void Delay(uchar CNT)uchar i;while(CNT-!=0)for( i=0;i0;cs-)send=1;delay12us();send=0;delay12us();P16=1;Delay(16);P16=0;EX0=1;display();U_flag+;if(U_flag=20)if(Flag_data_send = 1)P1_0 = 1;/发送模式ES=0;/禁用串行中断Usart_Send(lenth_data1);/高位在前Usart_Send(lenth_data0);ES=1;/使能串行中断P1_0 = 0;/接收模式U_flag=0;void int0() interrupt 0 using 0 /外部 int0 中断TR0=0;EX0=0;P15=1;P11=0; /外部中断指示灯(左 1led)亮h=TH0;/t=5000;t=h*256+TL0;s=v*t/200;DateToLEDBuf(s);void t1()interrupt 3 /T1 定时中断TH1=0x3c;TL1=0xb0; /写入初值到 TL1flag+;P11=1;P15=0; /计数器 0 开始