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毕业设计论文

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0469、S52多功能板DXP资料及其相关资料,毕业设计论文

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#include #include /#include sbit LCD_RS=P20;/定义引脚sbit LCD_RW=P21;sbit LCD_E=P22;#define LCD_Data P0#define Busy 0x80 /用于检测LCD状态字中的Busy标识void WriteDataLCD(unsigned char WDLCD);void WriteCommandLCD(unsigned char WCLCD,BuysC);unsigned char ReadDataLCD(void);unsigned char ReadStatusLCD(void);void LCDInit(void);void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData);void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData);void Delay5Ms(void);void Delay400Ms(void);unsigned char code uctech = Happy every day;unsigned char code net = ;void main(void)Delay400Ms(); /启动等待，等LCD讲入工作状态LCDInit(); /LCM初始化Delay5Ms(); /延时片刻(可不要)DisplayListChar(0, 0, uctech);DisplayListChar(1, 5, net);ReadDataLCD();/测试用句无意义while(1);/写数据void WriteDataLCD(unsigned char WDLCD)ReadStatusLCD(); /检测忙LCD_Data = WDLCD;LCD_RS = 1;LCD_RW = 0;LCD_E = 0; /若晶振速度太高可以在这后加小的延时LCD_E = 0; /延时LCD_E = 1;/写指令void WriteCommandLCD(unsigned char WCLCD,BuysC) /BuysC为0时忽略忙检测if (BuysC) ReadStatusLCD(); /根据需要检测忙LCD_Data = WCLCD;LCD_RS = 0;LCD_RW = 0; nts LCD_E = 0;LCD_E = 0;LCD_E = 1; /读数据unsigned char ReadDataLCD(void)LCD_RS = 1; LCD_RW = 1;LCD_E = 0;LCD_E = 0;LCD_E = 1;return(LCD_Data);/读状态unsigned char ReadStatusLCD(void)LCD_Data = 0xFF; LCD_RS = 0;LCD_RW = 1;LCD_E = 0;LCD_E = 0;LCD_E = 1;while (LCD_Data & Busy); /检测忙信号return(LCD_Data);void LCDInit(void) /LCM初始化LCD_Data = 0;WriteCommandLCD(0x38,0); /三次显示模式设置，不检测忙信号Delay5Ms(); WriteCommandLCD(0x38,0);Delay5Ms(); WriteCommandLCD(0x38,0);Delay5Ms(); WriteCommandLCD(0x38,1); /显示模式设置,开始要求每次检测忙信号WriteCommandLCD(0x08,1); /关闭显示WriteCommandLCD(0x01,1); /显示清屏WriteCommandLCD(0x06,1); / 显示光标移动设置WriteCommandLCD(0x0C,1); / 显示开及光标设置/按指定位置显示一个字符void DisplayOneChar(unsigned char X, unsigned char Y, unsigned char DData)Y &= 0x1;X &= 0xF; /限制X不能大于15，Y不能大于1if (Y) X |= 0x40; /当要显示第二行时地址码+0x40;X |= 0x80; / 算出指令码WriteCommandLCD(X, 0); /这里不检测忙信号，发送地址码WriteDataLCD(DData);nts/按指定位置显示一串字符void DisplayListChar(unsigned char X, unsigned char Y, unsigned char code *DData)unsigned char ListLength;ListLength = 0;Y &= 0x1;X &= 0xF; /限制X不能大于15，Y不能大于1while (DDataListLength=0x20) /若到达字串尾则退出if (X = 0xF) /X坐标应小于0xFDisplayOneChar(X, Y, DDataListLength); /显示单个字符ListLength+;X+;/5ms延时void Delay5Ms(void)unsigned int TempCyc = 5552;while(TempCyc-);/400ms延时void Delay400Ms(void)unsigned char TempCycA = 5;unsigned int TempCycB;while(TempCycA-)TempCycB=7269;while(TempCycB-);nts#include #include #include #define uchar unsigned char #define uint unsigned int#define data_IO P0sbit rs=P20;/指令和数据寄存器 “1是数据，” “0是指令”sbit rw=P21;/读写控制，“1读” “0写”sbit e=P22; /片选信号char d32= , , 0, 2, 2, -,2, 8, 2, 1, 4, 1, 1, 3, , , , , w, w, w, .,o, u, r, h, c, ., c, n, , , ;void yanshi(uint n)/延时函数/uint i;for(i=0;in;i+);void delay(uint n)/延时函数/uint i,j;for(i=0;i1000;i+)for(j=0;jn;j+)void busy() /判断是否忙/data_IO=0xff;rs=0; /写指令 /rw=1; /表示读状态 / 三个的状态表示 /e=1; /下降延/ / 判忙状态 / void xiezl(uchar shuju) /*写指令*/busy();/*yanshi(6500);*/data_IO=shuju;/rs=1;rs=0; /写指令 /rw=0; /表示写状态 / 三个的状态表示 /e=1; /下降延/ / 写指令 /e=0; / /void w_dat(uint n)/写数据/nts busy(); /*yanshi(6500) ;*/data_IO=n;rs=0;rs=1; /写数据 /rw=0; /表示写状态 / 三个的状态表示 /e=1; /下降延/ /写数据 /e=0; / /return;void xianshi(uchar js) /显示函数/uchar h,v;xiezl(0x01); /清屏显示yanshi(100) ;xiezl(0x80); / DDRAM地址的设置for(h=0;h16;h+)w_dat(jsh); /n表示有写几位数据yanshi(10) ;xiezl(0xc0);/换行for(v=(16);v32;v+)w_dat(jsv); /n表示有写几位数据yanshi(10) ;void chushihua(void)/*液晶模块初始化*/ uchar i;/rs=1 ;rs=0; /写指令rw=0; /表示写状态e=0; /使能for(i=0;i3;i+)xiezl(0x38); /功能设置,8位,一行显示,5*7点阵yanshi(40000);xiezl(0x38); /两行显示xiezl(0x0f); /显示开关控制位xiezl(0x18); /移位控制,光标和显示一起左移 xiezl(0x06); /设置输入模式xiezl(0x01); /清屏显示xiezl(0x80); / DDRAM地址的设置void main(void) while(1)ntschushihua();xianshi(d);/显示函数/yanshi(40000);nts#includecode unsigned char seg7code11= 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90; /显示段码sbit TMDAT =P33; /DS18B20 的数据输入/输出脚DQ,根据情况设定unsigned int sdata;/测量到的温度的整数部分unsigned char xiaoshu1;/小数第一位unsigned char xiaoshu2;/小数第二位unsigned char xiaoshu;/两位小数bit fg=1; /温度正负标志/*显示延时程序*/void Delay(unsigned int tc)while( tc != 0 )unsigned int i;for(i=0; i 1); return (dat);ntsvoid tmwbyte (unsigned char dat) /写一个字节unsigned char j,i;bit testb;for (j=1;j 1;if (testb) TMDAT = 0; /写0i+; i+;TMDAT = 1;for(i=0;i0x7f) /最高位为1 时温度是负a=a; b=b+1; /补码转换，取反加一fg=0; /读取温度为负时fg=0sdata = a/16+b*16; /整数部分xiaoshu1 = (a&0x0f)*10/16; /小数第一位xiaoshu2 = (a&0x0f)*100/16%10;/小数xiaoshu=xiaoshu1*10+xiaoshu2; /小数void DS18B20PRO(void) tmstart();/dmsec(5); /如果是不断地读取的话可以不延tmrtemp(); /读取温度,执行完毕温度将存于void Led() P0=0x7f;P1=0xdf;Delay(4);P1=P1|0xf0;if(fg=1) /温度为正时显示的数据 ntsP1=P1&0xef;P0=seg7codesdata/10; /输 Delay(8); P1=P1|0xf0; P1=P1&0xdf;P0=seg7codesdata%10|0x80; /输出个Delay(8); P1=P1|0xf0; P1=P1&0xbf;P0=seg7codexiaoshu1; /输出小数点Delay(8); P1=P1|0xf0; P1=P1&0x7f;P0=seg7codexiaoshu2; /输出小Delay(8); P1=P1|0xf0;Delay(4);/P1=P1|0x0f; /销隐/ Delay(8);main()fg=1;while(1)DS18B20PRO();Led();nts#include reg52.h /包函8051 内部资源的定义#define uchar unsigned char#define uint unsigned intunsigned char dat; /用于存储单片机接收发送缓冲寄存器SBUF里面的内容void TXDD(uchar *p,uchar n);void RXDD(uchar *p,uchar n);void Delay(unsigned int tc) /延时程序while( tc != 0 )unsigned int i;for(i=0; i100; i+);tc-;void TXDD(uchar *p,uchar n) uchar data i;for(i=n;i!=0;i-,p+)SBUF=*p;while(!TI);TI=0; void RXDD(uchar *p,uchar n) uchar data i;uint data j=60000;for(i=n;i!=0;i-,p+) j=60000;while(!RI)j-;if(j=0)RI=0;*p=SBUF;/功能:串口初始化,波特率9600，方式1/void Init_Com(void)TMOD = 0x20; / 定时器方式选择寄存器PCON = 0x00; / 电源控制寄存器SCON = 0x50; /设置串行口TH1 = 0xFd;TL1 = 0xFd;TR1 = 1;/主程序功能:实现接收数据并把接收到的数据原样发送回去/void main()uchar x4=1234;ntsInit_Com(); /串口初始化while(1) if ( RI ) /扫描判断是否接收到数据，dat = SBUF; /接收数据SBUF赋与datRI=0; /RI 清零。SBUF = dat; /在原样把数据发送回去TXDD(x,4);nts#include #include #include unsigned char sec; /定义计数值，每过1 秒，sec加1unsigned int tcnt; /定时中断次数bit write=0; /写24C08 的标志；/24C08 读写驱动程序/sbit scl=P33; / 24c08 SCLsbit sda=P34; / 24c08 SDAvoid delay1(unsigned char x) unsigned int i;for(i=0;ix;i+);void flash() ; ; void x24c08_init() /24c08 初始化子程序scl=1; flash(); sda=1; flash();void start() /启动（I方C）总线sda=1; flash(); scl=1; flash(); sda=0; flash(); scl=0; flash();void stop() /停止（I方C）总线sda=0; flash(); scl=1; flash(); sda=1; flash();void writex(unsigned char j) /写一个字节 unsigned char i,temp;temp=j;for (i=0;i8;i+)temp=temp1; scl=0; flash(); sda=CY; flash(); scl=1; flash();scl=0; flash(); sda=1; flash();unsigned char readx() /读一个字节unsigned char i,j,k=0;scl=0; flash(); sda=1;for (i=0;i8;i+)flash(); scl=1; flash();if (sda=1) j=1;else j=0;k=(k1)|j;scl=0;flash(); return(k);void clock() /(I方C）线时钟unsigned char i=0;scl=1; flash();while (sda=1)&(i255)i+;scl=0; flash();/从24c02 的地址address 中读取一个字节数据/unsigned char x24c08_read(unsigned char address)unsigned char i;start(); writex(0xa0);clock(); writex(address);clock(); start();writex(0xa1); clock();i=readx(); stop();delay1(10);ntsreturn(i);/向24c02 的address 地址中写入一字节数据info/void x24c08_write(unsigned char address,unsigned char info)EA=0;start(); writex(0xa0);clock(); writex(address);clock(); writex(info);clock(); stop();EA=1;delay1(50);/24C08 读写驱动程序完/void Delay(unsigned int tc) /延时程序while( tc != 0 )unsigned int i;for(i=0; i100; i+);tc-;void t0(void) interrupt 1 using 0 /定时中断服务函数TH0=(65536-50000)/256; /对TH0 TL0 赋值TL0=(65536-50000)%256; /重装计数初值tcnt+; /每过250ust tcnt 加一if(tcnt=20) /计满20次（1 秒）时tcnt=0; /重新再计sec+;write=1; /1 秒写一次24C08if(sec=100) /定时100 秒，在从零开始计时sec=0;void main(void)TMOD=0x01; /定时器工作在方式1ET0=1; EA=1;x24c08_init(); /初始化24C08sec=x24c08_read(2);/读出保存的数据赋于secTH0=(65536-50000)/256; /对TH0 TL0 赋值TL0=(65536-50000)%256; /使定时器0.05 秒中断一次TR0=1; /开始计时while(1)if(write=1) /判断计时器是否计时一秒write=0; /清零x24c08_write(2,sec); /在24c08 的地址2 中写入数据secnts #include#include#include#include#define uchar unsigned char#define uint unsigned intsbit pianxuan=P33; 片选sbit shuchu=P31; 数据线sbit clk=P32; 时钟线code unsigned char seg7code10= 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90; /显示段码 数码管字跟：Delay(unsigned int tc) /延时程序while( tc != 0 ) /如果tc 为0 则终止延时unsigned int i; /局部正整数变量 ifor(i=0; i=1;i-)delayms();clk=1;delayms();clk=0;shuzi=1;shuzi+=(uchar)(shuchu);delayms();pianxuan=1;t=1.0/51*1000;t=t*shuzi;Led(t);main()uchar n,z;while(1)/ fenli(1234);lxm0831ttl();for(n=0;n100;n+)for(z=0;z500;z+);nts#include unsigned char keycnt=0;unsigned char tcnt=0; /键值判断sbit P2_0=P20;sbit P2_1=P21;bit sjz=0; /产生三角波时用到的标志void delayl() /延时子程序 unsigned char i,j;for(i=20;i0;i-)for(j=248;j0;j-); void KEY() /按键扫描程序if(P2_0=0)delayl(); /延时跳过按下时的抖动if(P2_0=0) keycnt=0; /定时器产生锯齿波标志TR0=0; /暂时停止波形输出TH0=0x256-40; /对TH0 TL0 赋值TL0=0x256-40;TR0=1; /开始定时,产生锯齿波while(P2_0=0); /如果一直按着键，则等待松键开delayl(); /延时跳过松开后的抖动 if(P2_1=0)delayl(); /延时跳过按下时的抖动if(P2_1=0)keycnt=1; /定时器产生三角波标志TR0=0; /暂时停止波形输出TH0=0x256-40; /对TH0 TL0 赋值TL0=0x256-40;TR0=1; /开始定时 产生三角波while(P2_0=0); /如果一直按着键，则等待松键开delayl(); /延时跳过松开后的抖动 /请注意写程序时的格式规范，此处是为了节省纸张void t0(void) interrupt 1 using 0 /定时中断服务函数if(keycnt=0) /产生锯齿波P0=tcnt;tcnt=+0x0a; /步进0.2V/一次中断if(tcnt=0xfb)tcnt=0;if(keycnt=1) /产生三角波 if(sjz=0)P0=tcnt;tcnt=+0x0a;/步进0.2V/一次中断if(tcnt=0xfa)sjz=1;if(sjz=1)ntsP0=tcnt;tcnt=-0x0a;if(tcnt=0) sjz=0;void main(void)TMOD=0x02; /定时器工作在方式2ET0=1;EA=1;while(1) KEY(); nts #include#include#define uchar unsigned char#define uint unsigned intuchar led 10=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x98; /数码管显示0-9的字节uchar postion 8=0x7f,0xbf, 0xdf, 0xef,0xf7,0xfb, 0xfd,0xfe ;/ 数码管的为控制字节uchar timer3; / 时间的数组uchar disbruff6; / 保存每个数码管要显示的字节/*DS1302专用*/sbit sclk = P36; /*实时时钟时钟线引脚 */sbit io = P35; /*实时时钟数据线引脚 */sbit rst = P34; /*实时时钟复位线引脚 */bdata uchar date_bruff;sbit flag0=date_bruff0;sbit flag7=date_bruff7;uchar bcd_bruff8;/*延时函数*/void delay_ms(uchar n) unsigned int i,j,k;for(i=0;i1;/数据移位将依次右移一位，依次传送0，1，2，3，4，5，6，7/*字节的读取功能：上升沿读取一个数据的最低位用途：用于读取字节*/uchar outputbety()uchar j;for(j=0;j1; /先右移一位准备接受读取的数据位flag7=io; /把读取的数据赋值给date_bruff的第7位sclk=1; /触发上升沿肚脐眼一个位sclk=0; / 变低准备下一个上升沿 return date_bruff; /返回读取的数据/*地址字节和数据的传送功能：调用inputbety（）；先写地址，紧接着写地址内的数据用途：配置DS1302的内部寄存器*/void wdate(uchar addr, uchar date)rst=0; /变低为sclk变低允许sclk=0; / 变低准备上升沿rst=1; / 使能对ds1302进行操作inputbety(addr); /写入地址inputbety(date); /写入数据 sclk=1; rst=0; /*数据的读取功能：写写入要读取数据的地址和指令；然后调用output（）用途：用于读取ds1302的实时时间*/uchar rdate(uchar addrx)uchar readdate;rst=0;sclk=0;rst=1;ntsinputbety(addrx);/写入控制命令的字节和数据readdate=outputbety(); / 读取数据sclk=1;rst=0;return readdate; / 返回数据void initial_ds1302(void) /时钟芯片初始化 unsigned char second=rdate(0x80);if(second&0x80) /判断时钟芯片是否关闭 wdate(0x8e,0x00); /写入允许wdate(0x8c,0x07); /以下写入初始化时间 日期:07/07/25.星期: 3. 时间: 23:59:56wdate(0x88,0x07);wdate(0x86,0x15);wdate(0x8a,0x07);wdate(0x84,0x23);wdate(0x82,0x59);wdate(0x80,0x55);wdate(0x8e,0x80); / 写入 void readds1302() /读取数据的BCDuchar i;for(i=0;i4)*10 + (bcd_bruffk&0x0f) ; /*数码管的 显示函数*/void display()uchar i;for(i=0;i6;i+)P0=leddisbruffi;P1=postioni;delay_ms(5);nts/*函数 */void main()timer0=00;timer2=00;timer1=00;timer_to_disbruff();initial_ds1302();while(1) readds1302();bcd_to_timer(); timer_to_disbruff(); display();nts#include code unsigned char seg7code10= 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90; /显示段码 数码管字跟：Delay(unsigned int tc) /延时程序while( tc != 0 ) /如果tc 为0 则终止延时unsigned int i; /局部正整数变量 ifor(i=0; i50; i+); /执行400 次将耗时1毫秒tc-; /tc计数减一void Led(int date) /显示函数 P1=P1&0xf7; /P2.7 输出低电平，选通千位数P0=seg7codedate/1000; /取出千位数，查表，输出。Delay(5); /延时P1=P1|0x0f; /销隐P1=P1&0xfb; /P2.6 输出低电平，选通百位数P0=seg7codedate%1000/100; /取出百位数，查表，输出。Delay(5); /延时P1=P1|0x0f; /销隐P1=P1&0xfd; /P2.5 输出低电平，选通十位数P0=seg7codedate%100/10; /取出十位数，查表，输出。Delay(5); /延时P1=P1|0x0f; /销隐P1=P1&0xfe;P0=seg7codedate%10; /取出个位数，查表，输出。Delay(5);P1=P1|0x0f; /销隐main()int display_date=2343; /定义并赋值要显示的数据while(1)Led(display_date);/调用显示函数显示数据display_datents#include sbit P2_0=P20;sbit P2_1=P21;sbit P2_2=P22;unsigned char code dispcode=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x98; unsigned char dispbitcode=0x7f,0xbf, 0xdf, 0xef,0xf7,0xfb, 0xfd,0xfe ;unsigned char dispbuf8=0,0,16,0,0,16,0,0; unsigned char dispbitcnt; unsigned char second; unsigned char minite; unsigned char hour; unsigned int tcnt; unsigned char mstcnt; unsigned char i,j; void Delay(unsigned int tc)while( tc != 0 )unsigned int i;for(i=0; i0;i-) for(j=248;j0;j-); if(P2_0=0) second+; if(second=60) second=0; dispbuf0=second%10; dispbuf1=second/10; while(P2_0=0); if(P2_1=0) for(i=5;i0;i-) for(j=248;j0;j-); if(P2_1=0) minite+; if(minite=60) minite=0; dispbuf3=minite%10; nts dispbuf4=minite/10; while(P2_1=0); if(P2_2=0) for(i=5;i0;i-) for(j=248;j0;j-); if(P2_2=0) hour+; if(hour=24) hour=0; dispbuf6=hour%10; dispbuf7=hour/10; while(P2_2=0); void t0(void) interrupt 1 using 0 mstcnt+; if(mstcnt=8) mstcnt=0; P0=dispcodedispbufdispbitcnt; P1=dispbitcodedispbitcnt; dispbitcnt+; if(dispbitcnt=3)P0=0xbf;if(dispbitcnt=6)P0=0xbf;if(dispbitcnt=8) dispbitcnt=0; tcnt+; if(tcnt=4000) tcnt=0; second+; if(second=60) second=0; minite+; if(minite=60) minite=0; hour+; if(hour=24) hour=0; nts dispbuf0=second%10; dispbuf1=second/10; dispbuf3=minite%10; dispbuf4=minite/10; dispbuf6=hour%10; dispbuf7=hour/10; nts #include#include void delayms(unsigned char ms) / 延时子程序 unsigned char i;while(ms-)for(i = 0; i 120; i+);main()unsigned char LED;LED = 0xfe;P0 = LED;while(1)delayms(1000); LED = LED1; /循环右移1位，点亮下一个LEDP0 = LED;nts #include#define uchar unsigned char #define uint unsigned int sbit P3_7=P37;sbit P1_4=P14;sbit P1_5=P15;sbit P1_6=P16;sbit P1_7=P17; unsigned char code dispcode=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x98;unsigned char code dispbitcode=0xfe,0xfd,0xfb,0xf7; unsigned char dispbuf8=0,0,0,0; unsigned char dispbitcount; unsigned char temp; unsigned char i,j; unsigned char key; unsigned char keypos; bit alarmflag; void change(unsigned char *p,unsigned char count) while(count0) *(p+count)=*(p+count-1); c