/*----------------------------------------------- 内容：通过标准程序静态显示字符 引脚定义如下：1-VSS 2-VDD 3-V0 4-RS 5-R/W 6-E 7-14 DB0-DB7 15-BLA 16-BLK------------------------------------------------*/#include //包含头文件，一般情况不需要改动，头文件包含特别功能寄存器的定义#includesbit RS = P2^0; //定义端口 sbit RW = P2^1;sbit EN = P2^2;sbit echo=P1^1; //接收端sbit trig=P1^0; //发射端sbit Beap=P2^3; //蜂鸣器sbit Key_Data=P2^4; //按键发射#define RS_CLR RS=0 #define RS_SET RS=1#define RW_CLR RW=0 #define RW_SET RW=1 #define EN_CLR EN=0#define EN_SET EN=1#define DataPort P0unsigned char code ASCII[15] = {'0','1','2','3','4','5','6','7','8','9','
','-','M'};unsigned char disbuff[4] ={ 0,0,0,0,};unsigned long S=0;unsigned char Flag;u
