超声波LCD显示测距程序

1、/*Name:LCD12864(St7920/St7921)+超声波测距模块+STC89C52*/*/*/*DYP-ME007超声波测距模块DEMO程序/*晶振：11.0592M*/*/*接线：模块TRIG接P1.2ECH0接P1.1/*RS(CS)接P3.3;*/*RW(SID)接P3.4;*/*E(SCLK)接P3.5;*/*PSB接GND串行模式*/*/#include<AT89X51.H>#include<intrins.h>/引脚定义sbitRX=P1A1;sbitTX=P1A2;sbitCS=P3A3;片选高电平有效单片LCD使用时可固定高电平sbitSID

2、=P3A4;/数据sbitSCLK=P3A5;/时钟/FunctionDefinition函数声明voidDelay(intnum);voidInit_DS18B20(void);unsignedcharReadOneChar(void);voidWriteOneChar(unsignedchardat);unsignedintReadTemperature(void);voidclock_out(unsignedchardd);unsignedcharclock_in(void);unsignedcharread_clock(unsignedcharord);voidwrite_clock(

3、unsignedcharord,unsignedchardd);voidDisp(void);voidid_case1_key(void);voidid_case2_key(void);voidSet_time(unsignedcharsel,bitsel_1);voidTimer0_Init(void);voidInit_1302(void);voidSet_Bell(unsignedcharsel,bitsel_1);voidBell(void);/12864voidWrite_char(bitstart,unsignedcharddata);voidSend_byte(unsignedc

4、harbbyte);voidDelaynms(unsignedintdi);voidLcd_init(void);voidDisp_img(unsignedchar*img);voidLCD_Write_string(unsignedcharX,unsignedcharY,unsignedchar*s);voidLCD_set_xy(unsignedcharx,unsignedchary);unsignedcharcode:.-"unsignedcharcodewaves=超声波测距系统"unsignedcharcodeznwk="智能微控工作室"uns

5、ignedcharcodeCM="M"unsignedinttime=0;longS=0;bitflag=0;unsignedchardisbuff4=0,0,0,0,;unsignedcharcodelogo=/*-调入了一幅图像：logo.bmp-*/*-宽度x高度=128x64欢迎使用本产品LOGO-*/*-调入了一幅图像：桌面新建文件夹X.bmp-*/*-宽度x高度=128x64-*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x

6、00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x0C,0x00,0x00,0x40,0x70,0x00,0x00,0x00,0x

7、80,0x00,0x00,0x00,0x00,0xE0,0x00,0x00,0x1E,0x00,0x00,0x60,0x70,0x00,0x00,0x0F,0xE0,0x00,0x00,0x00,0x01,0xC0,0x00,0x60,0x3C,0x00,0x00,0xE0,0x60,0x00,0x1F,0xFF,0xE0,0x00,0x00,0x00,0x03,0x80,0x00,0x70,0x70,0x40,0x00,0xE0,0x7E,0x00,0x1F,0xE0,0xC0,0x00,0x00,0x00,0x03,0x00,0x00,0x73,0xC3,0xF0,0x01,0xC3,0x

8、FC,0x00,0x38,0xE1,0xC0,0x00,0x00,0x03,0xC6,0x3C,0x00,0x33,0x9F,0xF0,0x03,0x8F,0xC0,0x00,0x30,0xC1,0xC0,0x00,0x00,0x3F,0xEF,0xFE,0x00,0x03,0x1C,0xE0,0x07,0x01,0xCC,0x00,0x31,0xF1,0x80,0x00,0x00,0x79,0xDF,0xBC,0x00,0x06,0x18,0xC0,0x0E,0x01,0xFE,0x00,0x77,0xF9,0x80,0x00,0x00,0x01,0xB0,0x30,0x01,0xC6,0x

9、19,0xC0,0x1E,0x7F,0xDE,0x00,0x6F,0x83,0x80,0x00,0x00,0x23,0xAC,0x60,0x0F,0xE6,0xF1,0x80,0x3E,0x7B,0x38,0x00,0x61,0x83,0x00,0x00,0x00,0x37,0x0E,0x00,0x0F,0xC7,0xB7,0x80,0xEC,0x63,0x30,0x00,0xE3,0x03,0x00,0x00,0x00,0x3E,0x0E,0x00,0x01,0x8F,0x37,0x01,0xCC,0x6F,0xF0,0x00,0xC7,0xF7,0x00,0x00,0x00,0x1E,0x

10、0C,0x00,0x03,0x1E,0x66,0x03,0x0C,0x7F,0x00,0x01,0xFF,0xE6,0x00,0x00,0x00,0x1E,0x1C,0x00,0x03,0x1C,0x60,0x02,0x19,0xAC,0x00,0x01,0x96,0x06,0x00,0x00,0x00,0x3E,0x3E,0x00,0x03,0x18,0x60,0x00,0x19,0xFC,0x00,0x03,0x86,0x0E,0x00,0x00,0x00,0x7E,0x36,0x00,0x03,0x00,0xC0,0x00,0x38,0x78,0x00,0x03,0x06,0x0C,0x

11、00,0x00,0x00,0xE6,0x67,0x00,0x03,0x00,0xC0,0x00,0x30,0x78,0x00,0x06,0x0C,0x0C,0x00,0x00,0x01,0xC6,0xC3,0x80,0x7F,0xF0,0xC0,0x00,0x30,0xFE,0x00,0x0E,0x0C,0x1C,0x00,0x00,0x03,0x81,0x83,0xC0,0x78,0xFF,0x80,0x00,0x61,0xCF,0x80,0x1C,0x08,0x18,0x00,0x00,0x06,0x07,0x03,0xE0,0x00,0x1F,0xFF,0xE0,0x67,0x07,0x

12、E0,0x38,0x18,0xF8,0x00,0x00,0x08,0x0E,0x01,0xF8,0x00,0x07,0xFF,0x80,0xCE,0x03,0xF8,0x60,0x00,0x70,0x00,0x00,0x00,0x18,0x01,0xF8,0x00,0x01,0xFC,0x00,0xC0,0x01,0xFC,0xC0,0x00,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x

13、00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x

14、07,0x00,0x00,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x00,0x0C,0xE0,0x00,0x01,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0E,0x00,0x00,0x00,0x3F,0xE0,0x00,0xFF,0xF0,0x00,0x38,0x00,0xE0,0x00,0x00,0x00,0x0C,0x00,0x00,0x0F,0xFF,0x80,0x00,0xF8,0xF0,0x00,0x38,0x00,0x

15、E0,0x00,0x00,0x00,0x0C,0xF0,0x00,0x0F,0xC7,0x00,0x00,0x60,0xE0,0x00,0x38,0x00,0xE0,0x00,0x00,0x00,0x1F,0xF0,0x00,0x01,0x8E,0x00,0x00,0x60,0xC0,0x00,0x70,0x01,0xC0,0x00,0x00,0x07,0xFF,0x80,0x00,0x01,0x8C,0x00,0x00,0xE1,0x80,0x00,0x70,0x01,0xC0,0x00,0x00,0x07,0xF8,0x00,0x00,0x01,0x98,0x00,0x00,0xDF,0x

16、C0,0x00,0x70,0x01,0xC0,0x00,0x00,0x00,0x78,0x00,0x00,0x01,0xBF,0xE0,0x00,0xFF,0x00,0x00,0x60,0x01,0x80,0x00,0x00,0x00,0xFC,0x00,0x00,0x7F,0xFF,0xE0,0x00,0xC0,0x00,0x00,0xE0,0x03,0x80,0x00,0x00,0x01,0xFE,0x00,0x00,0x7F,0xF8,0x00,0x00,0x00,0x00,0x00,0xC0,0x03,0x00,0x00,0x00,0x03,0xB7,0x00,0x00,0x60,0x

17、00,0x00,0x00,0x00,0x3C,0x00,0xC0,0x03,0x00,0x00,0x00,0x07,0x67,0x00,0x00,0x60,0x00,0x00,0x03,0x9F,0xFE,0x00,0x80,0x02,0x00,0x00,0x00,0x0E,0x63,0x80,0x00,0xE0,0x00,0x01,0xFF,0xCF,0x1E,0x01,0x80,0x06,0x00,0x00,0x00,0x1C,0xE1,0xE0,0x00,0xC0,0x00,0x00,0xE3,0x9C,0x38,0x01,0x80,0x06,0x00,0x00,0x00,0x38,0x

18、C1,0xF8,0x01,0xC0,0x00,0x00,0xC3,0x18,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0xE0,0xFC,0xFE,0x03,0x80,0x00,0x01,0xC7,0x18,0x60,0x00,0x00,0x00,0x00,0x00,0x01,0xDF,0xF8,0xFE,0x03,0x00,0x00,0x01,0x8E,0x1B,0xE0,0x07,0x00,0x1C,0x00,0x00,0x07,0x07,0x80,0x00,0x07,0x00,0x00,0x01,0xFF,0x3F,0xE0,0x07,0x00,0x1C,0x

19、00,0x00,0x0C,0x03,0x80,0x00,0x0E,0x00,0x00,0x01,0xF0,0x38,0x00,0x0F,0x00,0x3C,0x00,0x00,0x00,0x03,0x00,0x00,0x1C,0x00,0x00,0x01,0x00,0x20,0x00,0x06,0x00,0x18,0x00,0x00,0x00,0x03,0x00,0x00,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x

20、00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x

21、00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x

22、00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,;/*/voidLcd_init(void)/初始化LCDDelaynms(10);启动等待，等LCM讲入工作状态CS=1;Write_char

23、(0,0x30);/8位介面，基本指令集Write_char(0,0x0c);显示打开，光标关，反白关Write_char(0,0x01);清屏，将DDRAM的地址计数器归零/*/voidWrite_char(bitstart,unsignedcharddata)/写指令或数据unsignedcharstart_data,Hdata,Ldata;if(start=0)start_data=0xf8;/写指令elsestart_data=0xfa;/写数据Hdata=ddata&0xf0;/取高四位Ldata=(ddata<<4)&0xf0;取低四位Send_byte

24、(start_data);/发送起始信号Delaynms(5);延时是必须的Send_byte(Hdata);/发送高四位Delaynms(1);/延时是必须的Send_byte(Ldata);/发送低四位Delaynms(1);/延时是必须的/*/voidSend_byte(unsignedcharbbyte)发送一个字节unsignedchari;for(i=0;i<8;i+)SID=bbyte&0x80;/取出最高位SCLK=1;SCLK=0;bbyte«=1;左移/*/voidDelaynms(unsignedintdi)/延时unsignedintda,db;

25、for(da=0;da<di;da+)for(db=0;db<10;db+);/*/voidDisp_img(unsignedchar*img)/图形方式12864显示字模221横向取膜unsignedchari,j;unsignedintk=0;Write_char(0,0x36);图形方式for(i=0;i<32;i+)Write_char(0,0x80+i);Write_char(0,0x80);for(j=0;j<16;j+)Write_char(1,imgk+);for(i=0;i<32;i+)Write_char(0,0x80+i);Write_cha

26、r(0,0x88);for(j=0;j<16;j+)Write_char(1,imgk+);/*/voidClr_Scr(void)清屏函数Write_char(0,0x01);/*/voidLCD_set_xy(unsignedcharx,unsignedchary)/设置LCD显示的起始位置，X为行，Y为列unsignedcharaddress;switch(x)case0:address=0x80+y;break;case1:address=0x80+y;break;case2:address=0x90+y;break;case3:address=0x88+y;break;case

27、4:address=0x98+y;break;default:address=0x80+y;break;Write_char(0,address);/*/voidLCD_Write_string(unsignedcharX,unsignedcharY,unsignedchar*s)/中英文字符串显示函数LCD_set_xy(X,Y);while(*s)Write_char(1,*s);s+;Delaynms(1);I*/voidLCD_Write_number(unsignedchars)/数字显示函数Write_char(1,nums);Delaynms(1);I*/voidLcd_Mark2(void)Clr_Scr();清屏LCD_Write_string(1,0,znwk);/LCD_Write_string(2,0,waves);/LCD_Write_string(3,7,CM);/voidConut(void)time=TH0*256+TL0;TH0=0;TL0=0;S=time*1.87/100;算出来是CM11。0592M晶振if(flag=1)/超出测量flag=0;LCD_set_xy(3,4);LCD_Write_number(13);