2017年山东大学信息学院单片机实验报告(共35页).doc

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1、精选优质文档-倾情为你奉上 信息科学与工程学院20162017学年第二学期实 验 报 告课程名称： 微处理器原理与应用 实验名称： 单片机软件及硬件实验 软件仿真实验2.2汇编程序实验2自我完成实验程序ORG 0000HAJMP STARTORG 0030HSTART:MOV DPTR,#TABLEMOV A,#00HMOV R7,#20HMOV R1,#30HMOV R2,#00HREAD:MOVC A,A+DPTRMOV R1,AINC R1INC R2MOV A,R2DJNZ R7,READMOV R0,#30HMOV R7,#31LOOP:MOV A,R0MOV R1,AMOV A,R

2、7MOV R6,AMOV A,R0MOV R2,AMOV B,R1LOOP1:INC R1MOV A,R1CJNE A,B,L1L1:JC L2MOV B,AMOV A,R1MOV R2,AL2:DJNZ R6,LOOP1MOV A,BXCH A,R1MOV B,AMOV A,R2MOV R1,AMOV R1,BDJNZ R7,LOOPORG 08F0HTABLE:DB 1,3,9,2,17,4,11,6 DB 5,20,100,64,21,14,79,35 DB 92,7,91,23,65,16,13,18 DB 18,73,65,101,27,19,62,69END2.3 C语言程序实验#

3、include#includechar data a32 _at_ 0x30;void main() char code b32=1,3,9,2,17,4,11,6,5,20,100,64,21,14,79,35,92,7,91,23,65,16,13,18,18,73,65,101,27,19,62,69; int i=0; int t=0; int j=0; for(i=0;i32;i+) ai=bj; j+; for(j=0;j31;j+) for(i=0;iai+1) t=ai; ai=ai+1; ai+1=t; while(1); 3.1基本并行I/O口实验ORG 0000HAJMP

4、 MAINORG 0030HMAIN:MOV SP,#60HMOV P2,#0FFHMOV 20H,#0FEHMOV R7,#8LOOP:SETB P1.0JNB P1.0,LOOP1AJMP LLOOP1:MOV A,20HMOV P2,AACALL DELAYMOV A,P2RL AMOV 20H,AL:DJNZ R7,LOOPDELAY:MOV R6,#200L1:MOV R5,#250DJNZ R5,$DJNZ R6,L1RETSJMP $END3.2扩展并行I/O口实验ORG 0000HAJMP STARTORG 0003HSTART:MOV SP,#60HMOV P0,#0FFHC

5、LR P3.6STATE1:MOV DPTR,#0FE00HMOV A,#0F3HMOVX DPTR,AMOV DPTR,#0FD00HMOV A,#0CHMOVX DPTR,AACALL DELAY2STATE2:MOV DPTR,#0FE00HMOV A,#0C3HMOVX DPTR,AMOV DPTR,#0FD00HMOV A,#0FHMOVX DPTR,AACALL DELAY1STATE3:MOV DPTR,#0FE00HMOV A,#0FCHMOVX DPTR,AMOV DPTR,#0FD00HMOV A,#03HMOVX DPTR,AACALL DELAY2STATE4:MOV

6、DPTR,#0FE00HMOV A,#3CHMOVX DPTR,AMOV DPTR,#0FD00HMOV A,#0FHMOVX DPTR,AACALL DELAY1AJMP STATE1DELAY1:MOV R7,#20DL2:MOV R6,#200DL1:MOV R5,#250DJNZ R5,$DJNZ R6,DL1DJNZ R7,DL2RETDELAY2:MOV R7,#100L2:MOV R6,#200L1:MOV R5,#250DJNZ R5,$DJNZ R6,L1DJNZ R7,L2RETEND3.3静态LED显示实验ORG 0000HAJMP STARTORG 0003HSTART

7、:MOV SP,#60HMOV R4,#0AHMOV A,R3CLR AMOV R3,ASETB P1.0SETB P1.1LOOP1:JB P1.1,S1LOOP2:MOV A,R4LCALL CLOSES1:JB P1.0,LOOP1MOV R3,#0AHMAIN:MOV DPTR,#0FD00HMOV A,#0F9HMOVX DPTR,AMOV DPTR,#0FE00HMOV A,#0C0HMOVX DPTR,ALCALL DELAY1MOV DPTR,#0FD00HMOV A,#0C0HMOVX DPTR,ALOOP:MOV A,R3MOV DPTR,#TABLEMOVC A,A+DP

8、TRMOV DPTR,#0FE00HMOVX DPTR,ALCALL DELAY1DEC R3MOV A,R3INC AJNZ LOOPSPARK:CLR P3.0LCALL DELAY2SETB P3.0LCALL DELAY2JB P1.1,SPARKAJMP LOOP2TABLE:DB 0C0H,0F9H,0A4H,0B0H,99HDB 92H,82H,0F8H,80H,90HCLOSE:MOV DPTR,#0FE00HMOV A,#0FFHMOVX DPTR,AMOV DPTR,#0FD00HMOVX DPTR,ARETDELAY1:MOV R7,#10L2:MOV R6,#200L1

9、:MOV R5,#250DJNZ R5,$DJNZ R6,L1DJNZ R7,L2RETDELAY2:MOV R6,#100L:MOV R5,#250DJNZ R5,$DJNZ R6,LRETSJMP $END3.4矩阵键盘扫描实验#includereg52.h#includeintrins.h#define uchar unsigned char#define uint unsigned intsbit g0=P04;uchar code T_TABLE=200,160,120,80,40;uchar code key_code=0x22,0x12,0x21,0x11;void delay(

10、)uchar t,ms;ms=5;while(ms-)for(t=0;t120;t+);void main()int aa=0xfe;uint dir=1;uint speed=0;int temp,temp2,keycode;int j,key;g0=0;while(1)P3=0x30;temp=P3;if(temp&0x30)!=0x30)delay();delay();P3=0x30;temp=P3;if(temp&0x30)!=0x30)P3=0x03;temp2=P3;keycode=temp|temp2;for(j=0;j4;j+)if(keycode=key_codej)key=

11、j;if(key=0) dir=1;if(key=1) dir=0;if(key=2) speed+;if(speed=5) speed=4;if(key=3)if(speed=0) speed+;speed-;switch (speed)case 0:P0=0xef;break;case 1:P0=0xf7;break;case 2:P0=0xfb;break;case 3:P0=0xfd;break;case 4:P0=0xfe;break;default:break;P3=0x03;while(!(P3=0x03);if(dir=1)P1=aa;for(j=0;jT_TABLEspeed

12、;j+)delay();aa=_crol_(aa,1);/if(dir=0)P1=aa;for(j=0;jT_TABLEspeed;j+)delay();aa=_cror_(aa,1);3.7LCD1602显示实验#include /头文件#define uint unsigned int / #define uchar unsigned charsbit lcden=P15; /定义引脚sbit rs=P17;sbit rw=P16;sbit busy=P07;char i,j,temp,num;long a,b,c,d; /a,第一个数 b,第二个数 c,得数 d,余数float a_c,

13、b_c;uchar flag,fuhao;/flag表示是否有符号键按下，fuhao表征按下的是哪个符号uchar code table=0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0;uchar code table1=0,1,2,3,4,5,6,7,8,9,0x2b-0x30,0x2d-0x30,0x2a-0x30,0x2f-0x30,0x01-0x30,0x3d-0x30;uchar code table2=!rorrE;void delay(uchar z) / 延迟函数uchar y;for(z;z0;z-) for(y=0;y0) c=a-b; else c=b-a

14、; while(c!=0) write_date(0x30+c%10); c=c/10; if(a-b0) write_date(0x2d); write_date(0x3d); /再写= a=0;b=0;flag=0;fuhao=0; else if(fuhao=3) write_com(0x80+0x4f); write_com(0x04); c=a*b; while(c!=0) write_date(0x30+c%10); c=c/10; write_date(0x3d); a=0;b=0;flag=0;fuhao=0; else if(fuhao=4) write_com(0x80+0

15、x4f); write_com(0x04);if(b=0) i=0;while(table2i!=0)write_date(table2i);i+;a=0;b=0;flag=0;fuhao=0;else if(a%b=0)&(b!=0) c=a/b; while(c!=0) write_date(0x30+c%10); c=c/10; if(a/b=0) write_date(0x30); write_date(0x3d); a=0;b=0;flag=0;fuhao=0;else if(a%b!=0)&(b!=0)d=a%b; while(d!=0) write_date(0x30+d%10)

16、; d=d/10; write_date(0x2e);write_date(0x2e);write_date(0x2e);c=a/b; while(c!=0) write_date(0x30+c%10); c=c/10; if(a/b=0) write_date(0x30); write_date(0x3d); a=0;b=0;flag=0;fuhao=0; break; main()init();while(1) keyscan();3.8 ADC0808/9信号采集实验#include reg51.h#include intrins.h#define byte unsigned char#

17、define word unsigned intbyte data line16;byte code numchar=0,1,2,3,4,5,6,7,8,9;sbit RS = P20;sbit RW = P21;sbit E = P22;sbit clk = P23;sbit start = P24;sbit oe = P25;sbit out = P26;sbit eoc = P27;byte ADdata1,ADdata0,f1,f2,f3;word num,frequency,t;bit ADend;void delayms(word ms)word i,j;for(i=0;ims;i

18、+)for(j=0;j120;j+);bit lcd_busy()bit flag;RS=0;RW=1;E=1;_nop_();_nop_();_nop_();_nop_();flag=(bit)(P1&0x80);E=0;return flag;void lcd_wcmd(byte cmd)while(lcd_busy();RS=0;RW=0;E=0;_nop_();_nop_();P1=cmd;_nop_();_nop_();_nop_();_nop_();E=1;_nop_();_nop_();_nop_();_nop_();E=0;void lcd_clr()lcd_wcmd(0x01

19、);delayms(2);void lcd_wdat(byte dat)while(lcd_busy();RS=1;RW=0;E=0;_nop_();_nop_();P1=dat;_nop_();_nop_();_nop_();_nop_();E=1;_nop_();_nop_();_nop_();_nop_();E=0;void lcd_init()delayms(15);lcd_wcmd(0x38);delayms(5);lcd_wcmd(0x0c);delayms(5);lcd_wcmd(0x06);delayms(5);lcd_wcmd(0x01);delayms(5); /以上为lc

20、d显示程序 ，以下为AD程序void displaystr(byte m)byte i;switch(m)case 0:lcd_wcmd(0x80);break;case 1:lcd_wcmd(0xc0);break;i=0;while(linei!=0)lcd_wdat(linei);/delayms(1);i+; /以上为lcd显示程序 ，以下为AD程序void s_T0() interrupt 1EA=0;t+;if(t=20)frequency=num/2;f3=frequency/100;f2=(frequency%100)/10;f1=frequency%10;num=0;t=0;

21、TH0=0x3c;TL0=0xb0;EA=1;void s_T1()interrupt 3clk=clk;void readAD()/读取adstart=0;while(eoc!=1);ADdata0=ADdata1;P0=0xff;_nop_();_nop_();_nop_();_nop_();oe=1;ADdata1=P0;oe=0;ADend=1;void operation()while(!ADend);if(ADdata0128)|(ADdata0128)&(ADdata1128)num+;out=1;_nop_();_nop_();_nop_();_nop_();_nop_();o

22、ut=0;void main()TMOD=0x21;TH1=0xf6; /246TL1=0xf6;TH0=0x3c; /60TL0=0xb0;EA=1;ET1=1;ET0=1;TR1=1;TR0=1;out=0;start=0;ADdata0=0;ADdata1=0;t=0;lcd_init();lcd_clr();delayms(2);while(1)ADend=0;start=1;/delayms(1);/start=0;readAD();operation();line0=f;line1=:;line2=numcharf3;line3=numcharf2;line4=numcharf1;

23、line5=H;line6=z;line7=0;displaystr(0);硬件实验实验4.1：按键声光报警实验源程序：#include#define uint unsigned int#define uchar unsigned charsbit bell=P11; /P1.1口位赋值给铃声sbit led=P10; /P1.0口位赋值给灯sbit key0=P12; /P1.2口位赋值给按键uint count;/*主程序*/void main() /按键按下后就触发中断 EA=1; /开放中断EX0=1; /允许外部中断0中断IT0=0; /外部中断0设置为电平触发方式while(1); /循环执行void delay(uint count) /延时1ms uint x,y; for(x=count;x0;x-) for(y=120;y0;y-); void show(uint count) uint i;for(i=0;i=10) /到10清零按键数count