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毕业设计倒车雷达程序.docx

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上传时间：2023-06-23
格式：DOCX
页数：16
大小：17.98KB

毕业设计倒车雷达程序.docx

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毕业设计倒车雷达程序.docx

毕业设计倒车雷达程序

/******************************************************************************/

/*Name:

LCD12864（St7920/St7921）+超声波测距模块+STC89C52*/

/*HC-SR04超声波测距模块DEMO程序*/

/*晶振：

11.0592M*/

/*Designedby:

TvrostarDate:

2007/09/16*/

/*程序编写：

文轩电子QQ：

517535000*/

/*taobao店铺：

*/

/*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

//引脚定义

sbitRX=P1^1;

sbitTX=P1^2;

sbitCS=P3^3;//片选高电平有效单片LCD使用时可固定高电平

sbitSID=P3^4;//数据

sbitSCLK=P3^5;//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（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）;

//12864

voidWrite_char（bitstart,unsignedcharddata）;

voidSend_byte（unsignedcharbbyte）;

voidDelaynms（unsignedintdi）;

voidLcd_init（void）;

voidDisp_img（unsignedchar*img）;

voidLCD_Write_string（unsignedcharX,unsignedcharY,unsignedchar*s）;

voidLCD_set_xy（unsignedcharx,unsignedchary）;

unsignedcharcodenum[]={"0123456789:

.-"};

unsignedcharcodewaves[]={"超声波测距系统"};

unsignedcharcodeznwk[]={"智能微控工作室"};

unsignedcharcodeCM[]={"M"};

unsignedinttime=0;

longS=0;

bitflag=0;

unsignedchardisbuff[4]={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：

C:

\DocumentsandSettings\lwd\桌面\新建文件夹\X.bmp--*/

/*--宽度x高度=128x64--*/

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0x00,0x00,0x03,0x80,0x00,0x70,0x70,0x40,0x00,0xE0,0x7E,0x00,0x1F,0xE0,0xC0,0x00,

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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,0x0C,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,

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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,0xE0,0x67,0x07,0xE0,0x38,0x18,0xF8,0x00,0x00,

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,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

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0x00,0x00,0x06,0x00,0x00,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x07,0x00,0x00,0x00,0x1C,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,0x80,0x00,0xF8,0xF0,0x00,0x38,0x00,0xE0,0x00,

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,

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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,

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0x00,0x07,0x67,0x00,0x00,0x60,0x00,0x00,0x03,0x9F,0xFE,0x00,0x80,0x02,0x00,0x00,

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0x00,0x38,0xC1,0xF8,0x01,0xC0,0x00,0x00,0xC3,0x18,0x30,0x00,0x00,0x00,0x00,0x00,

0x00,0xE0,0xFC,0xFE,0x03,0x80,0x00,0x01,0xC7,0x18,0x60,0x00,0x00,0x00,0x00,0x00,

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0x07,0x07,0x80,0x00,0x07,0x00,0x00,0x01,0xFF,0x3F,0xE0,0x07,0x00,0x1C,0x00,0x00,

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,

0x00,0x03,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

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,

};

/******************************************************************************/

voidLcd_init（void）//初始化LCD

{

Delaynms（10）;//启动等待，等LCM讲入工作状态

CS=1;

Write_char（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

else

start_data=0xfa;//写数据

Hdata=ddata&0xf0;//取高四位

Ldata=（ddata<<4）&0xf0;//取低四位

Send_byte（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;

for（da=0;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,img[k++]）;

}

for（i=0;i<32;i++）

{

Write_char（0,0x80+i）;

Write_char（0,0x88）;

for（j=0;j<16;j++）

{

Write_char（1,img[k++]）;

}

/******************************************************************************/

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;

case4:

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）;

}

/********

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