电子线路设计实验报告 李安琪 自动化11 2110504002

1、XIAN JIAOTONG UNIVERSITY电子线路设计II姓名班级学号日期实验报告李安琪自动化1121105040022014年4月29日电子线路设计 II 实验报告实验内容：1创建一个工程将键盘阵列定义为 0. 1. 2E. F ，编程实现键盘设置当前时间，再调用系统时钟，显示在 LED显示屏上（注意仔细阅读PCF8563资料），键盘设置当前日期显示在 LCD显示屏上。2 .利用D/A转换通道（下行通道）实现锯齿波发生器；输出（15V固定电压转换成（420mA电流。3 利用A/D转换通道（上行通道）实现数据采集，将采集信号显示在LED屏上。程序要求分别具有平均值滤波、中值滤波和滑动滤波

2、功能。实验方法：通过在 Keil uVision2 中进行程序的编写和语法测试， 之后通过电脑 USB 串口将程序下载到实验板上进行实际的程序运行， 通过实际运行结果对程 序进行调整。实验程序：本次实验中， 我将要验收的三个实验结合分别写了三个程序， 我设计了主 界面。除第二个程序考虑到要连续输出波形而选定后无法退回主界面外， 其与两个程序均能通过按键功能退到主界面。以下为我编写的代码。/（ 1） 日历时钟/main-#include <SST89x5x4.H> #include <INTRINS.H> #include<LCD.h> #include<

3、;delay.h> #include<keyscan.h> #define uchar unsigned char #define uint unsigned int sbit be=PIW;uchar nian,yue,ri,shi,fen,miao,xingqi,shialarm,fenalarm,flag=1;年月日起始地址依uchar code table1="20 - -" /次为： 02h,05h,08h,0ch时分秒起始地址uchar code table2=" : : A : " / 依次为： 40h,43h,46h,4

4、b,4e unsigned char xdata * ptr;void beep()be=1; delay(100);be=0;delay(100); be=1;delay(100);be=0;void main()uint i=0;uchar key;EA=1;EX1=1;i2c_init();LCD_Init();pcf_init();for(i=0;i<=14;i+)WritD(table1i);LCD_Init2(0);for(i=0;i<=14;i+)WritD(table2i);writepcf_series(0x14,0x04,0x08,0x02,0x15,0x05,

5、0x00) ; readpcf_series();xianshi();while(1)key=keycan(&flag);xianshi1();if(flag=1)readpcf_series1(); xianshi();void alarm() interrupt 2writepcf(0x01,0x00);beep();/BCD#include <SST89x5x4.H> #define uchar unsigned char #define uint unsigned int #include <INTRINS.H> uchar BCD1(uchar q)

6、uchar bcd1=0; bcd1=q>>4; bcd1=10*bcd1+(q&0x0f) ;return bcd1;uchar BCD2(uchar q1) uchar bcd2=0; bcd2=q1/10; bcd2<<=4; q1=q1%10; bcd2=bcd2|q1;return bcd2;/change#include <SST89x5x4.H> #define uchar unsigned char #define uint unsigned int #include <INTRINS.H> #include <BC

7、D.h> #include<pcfi2c2.h> #include <xianshi.h> uchar num1=0,flag1;void change(uchar c,uchar *k) uchar dat; if(c=0x0C)/*k=0;num1+;switch(num1)case 1 :writepcf(0x00,0x20);LCD_Init2(6);CheckBF();WriteW(0x0f);break;case 2 :LCD_Init2(3);CheckBF();WriteW(0x0f);break;case 3 :LCD_Init2(0);Chec

8、kBF();WriteW(0x0f);break;case 4 :LCD_Init1(0x0c);CheckBF();WriteW(0x0f);break;case 5 :LCD_Init1(0x08);CheckBF();WriteW(0x0f);break;case 6 :LCD_Init1(0x05);CheckBF();WriteW(0x0f);break;case 7 :LCD_Init1(0x02);CheckBF();WriteW(0x0f);break;case 8 :LCD_Init2(0x0b);CheckBF();WriteW(0x0f);break;case 9 :LC

9、D_Init2(0x0e);CheckBF();WriteW(0x0f);break;case 0x0a :num1=0;*k=1;WriteW(0x0c);/ 光标不闪 readpcf_series();xianshi(); writepcf(0x00,0x00); break;if(num1!=0)if(c=0X0D) / 加一调整if(num1=1) LCD_Init2(6);CheckBF();WriteW(0x0f); miao=BCD1(miao); miao+; if(miao>=60) miao=0;miao=BCD2(miao); writepcf(0x02,miao)

10、; dat=miao>>4 ; WritD(table0dat); dat=miao&0x0f; WritD(table0dat);if(num1=2) LCD_Init2(3); CheckBF();WriteW(0x0f); fen=BCD1(fen); fen+; if(fen>=60) fen=0;fen=BCD2(fen); writepcf(0x03,fen); dat=fen>>4 ;WritD(table0dat); dat=fen&0x0f;WritD(table0dat);if(num1=3) LCD_Init2(0);Chec

11、kBF();WriteW(0x0f);shi=BCD1(shi); shi+; if(shi>=24) shi=0;shi=BCD2(shi); writepcf(0x04,shi); dat=shi>>4 ;WritD(table0dat); dat=shi&0x0f;WritD(table0dat);if(num1=4) LCD_Init1(0x0c);CheckBF();WriteW(0x0f);xingqi+; if(xingqi>=7) xingqi=0;writepcf(0x06,xingqi);WritD(table0xingqi);if(num1

12、=5) LCD_Init1(0x08); CheckBF();WriteW(0x0f); ri=BCD1(ri); ri+; if(ri>=32) ri=1;ri=BCD2(ri); writepcf(0x05,ri); dat=ri>>4;WritD(table0dat); dat=ri&0x0f;WritD(table0dat);if(num1=6) LCD_Init1(0x05);CheckBF();WriteW(0x0f); yue=BCD1(yue); yue+; if(yue>=13) yue=1;yue=BCD2(yue); writepcf(0x

13、07,yue); dat=yue>>4;WritD(table0dat); dat=yue&0x0f;WritD(table0dat);if(num1=7) LCD_Init1(0x02);CheckBF();WriteW(0x0f); nian=BCD1(nian); nian+; if(nian>=99) nian=0;nian=BCD2(nian); writepcf(0x08,nian); dat=nian>>4 ; WritD(table0dat); dat=nian&0x0f;WritD(table0dat);if(num1=8) LC

14、D_Init2(0x0b);CheckBF();WriteW(0x0f);shialarm=BCD1(shialarm);shialarm+;if(shialarm>=24)shialarm=0;shialarm=BCD2(shialarm); writepcf(0x0a,shialarm); dat=shialarm>>4 ; WritD(table0dat); dat=shialarm&0x0f; WritD(table0dat);if(num1=9) LCD_Init2(0x0e);CheckBF();WriteW(0x0f);fenalarm=BCD1(fen

15、alarm);fenalarm+;if(fenalarm>=60) fenalarm=0;fenalarm=BCD2(fenalarm); writepcf(0x09,fenalarm); dat=fenalarm>>4 ; WritD(table0dat); dat=fenalarm&0x0f;WritD(table0dat);if(c=0X0E)/ 减一调整if(num1=1) LCD_Init2(6);CheckBF();WriteW(0x0f); miao=BCD1(miao); flag1=1;if(miao=0) flag1=0;switch(flag1)

16、case 1: miao-;break;case 0:miao=59;break;default: break; miao=BCD2(miao); writepcf(0x02,miao); dat=miao>>4 ; WritD(table0dat); dat=miao&0x0f; WritD(table0dat);if(num1=2) LCD_Init2(3);CheckBF();WriteW(0x0f); fen=BCD1(fen); flag1=1;if(fen=0)flag1=0;switch(flag1)case 1: fen-; break;case 0:fen

17、=59;break;default: break; fen=BCD2(fen); writepcf(0x03,fen); dat=fen>>4 ;WritD(table0dat); dat=fen&0x0f;WritD(table0dat);if(num1=3) LCD_Init2(0);CheckBF();WriteW(0x0f); shi=BCD1(shi); flag1=1;if(shi=0)flag1=0;switch(flag1)case 1: shi-; break;case 0:shi=23;break;default: break; shi=BCD2(shi

18、); writepcf(0x04,shi); dat=shi>>4 ;WritD(table0dat);dat=shi&0x0f;WritD(table0dat);if(num1=4) LCD_Init1(0x0c);CheckBF();WriteW(0x0f);flag1=1;if(xingqi=1) flag1=0;switch(flag1) case 1: xingqi-;break;case 0:xingqi=6;break;default: break;writepcf(0x06,xingqi);WritD(table0xingqi);if(num1=5) LCD

19、_Init1(0x08); CheckBF();WriteW(0x0f); ri=BCD1(ri); flag1=1; if(ri=1)flag1=0;switch(flag1)case 1: ri-;break;case 0:ri=31;break;default: break;ri=BCD2(ri); writepcf(0x05,ri); dat=ri>>4; WritD(table0dat); dat=ri&0x0f;第 8 页WritD(table0dat);if(num1=6) LCD_Init1(0x05);CheckBF();WriteW(0x0f); yue

20、=BCD1(yue); flag1=1;if(yue=1)flag1=0;switch(flag1)case 1:yue-; break;case 0: yue=12; break;default: break; yue=BCD2(yue); writepcf(0x07,yue); dat=yue>>4; WritD(table0dat); dat=yue&0x0f; WritD(table0dat);if(num1=7) LCD_Init1(0x02);CheckBF();WriteW(0x0f); nian=BCD1(nian); flag1=1; if(nian=0)

21、 flag1=0;switch(flag1)case 1: nian-;break;case 0:nian=99;break;default: break; nian=BCD2(nian);writepcf(0x08,nian); dat=nian>>4 ; WritD(table0dat); dat=nian&0x0f;WritD(table0dat);/delay-#include <SST89x5x4.H> #define uint unsigned int void delay(uint z) /延时函数 ,z 的取值为这个函数的延时 ms数，如 del

22、ay(200); 大约延时 200ms. /delay(500); 大约延时 500ms. uint x,y;for(x=z;x>0;x-) for(y=110;y>0;y-);void delay1(unsigned int times) unsigned int i;for (i=0; i<times; i+);/display#define uchar unsigned char#define uint unsigned int uchar code table= 0x3f,0x06,0x5b,0x4f, 0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0

23、x77,0x7c, 0x39,0x5e,0x79,0x71 ;void display2(uchar dat,uchar wei)uchar xdata * ptn;ptn=0x8fff;* ptn =wei; ptn=0x9fff;* ptn =tabledat;第 24 页delay(5);/keyscan-#define uchar unsigned char #include<change.h>/uchar keycan(uchar *r)uchar i, temp,num;uchar xdata * ptr;i=0x01;ptr=0x9fff; / 消除对显示函数的干扰*

24、ptr=0x00;ptr=0x8fff;* ptr =i;temp = * ptr;temp=temp&0x0f;while(temp!=0x00)temp = * ptr;temp=temp&0x0f; while(temp!=0x00) switch(temp) case 0x01: num=0; break; case 0x02: num=1; break; case 0x04: num=2; break; case 0x08: num=3; break;/ 取键盘 IO 口的值/ 取键盘 IO 口的值while(temp!=0x00) / 松手检测temp = * pt

25、r;/ 取键盘 IO 口的值temp=temp&0x0f;i=0x02;ptr=0x9ffff; / 消除对显示函数的干扰 *ptr=0x00; ptr=0x8fff;/ 取键盘 IO 口的值* ptr =i; temp = * ptr; temp=temp&0x0f; while(temp!=0x00)temp = * ptr;temp=temp&0x0f;while(temp!=0x00)/ 取键盘 IO 口的值switch(temp)case 0x01: num=4; break;case 0x02: num=5; break;case 0x04: num=6;

26、break;case 0x08: num=7; break;while(temp!=0x00) / 松手检测的值temp = * ptr;/ 取键盘 IO 口temp=temp&0x0f; i=0x04; ptr=0x8fff;* ptr =i;/ 取键盘 IO 口的值temp = * ptr; temp=temp&0x0f;while(temp!=0x00)temp = * ptr;temp=temp&0x0f;while(temp!=0x00)/ 取键盘 IO 口的值的值/ 取键盘 IO 口temp=temp&0x0f;i=0x08;ptr=0x8fff;*

27、 ptr =i;temp = * ptr;temp=temp&0x0f;while(temp!=0x00)temp = * ptr;temp=temp&0x0f; while(temp!=0x00) / 取键盘 IO 口的值/ 取键盘 IO 口的值switch(temp)case 0x01: num=12;switch(temp)case 0x01: num=8; break;case 0x02: num=9; break;case 0x04: num=10; break;case 0x08: num=11; break;while(temp!=0x00) / 松手检测temp

28、 = * ptr;的值break; case 0x02: num=13;break; case 0x04: num=14;break;case 0x08: num=15;break;while(temp!=0x00) / 松手检测temp = * ptr;/ 取键盘 IO 口temp=temp&0x0f;change(num,r);return num;/LCD-#include <SST89x5x4.H> #include <INTRINS.H> unsigned char xdata * ptr;void CheckBF(void) unsigned int

29、 i; while(1) ptr=0xAFF1; i=*ptr;i &= 0x80; if(i=0) break;void WriteW(unsigned int a) ptr=0xAFF0;*ptr=a;void WritD(unsigned char key_asc2)CheckBF();ptr=0xAF02;*ptr=key_asc2;void LCD_Init(void)CheckBF();WriteW(0x38);CheckBF();WriteW(0x01);CheckBF();WriteW(0x06);CheckBF();WriteW(0x0c);CheckBF();voi

30、d LCD_Init1(unsigned char b) CheckBF();WriteW(0x0c);CheckBF();WriteW(0x80+b);void LCD_Init2(unsigned char a)CheckBF();WriteW(0x0c);CheckBF();WriteW(0xC0+a);/pcf#include <SST89x5x4.H>#define uchar unsigned char#define uint unsigned intuchar nian,yue,ri,shi,fen,miao,xingqi,shialarm,fenalarm; sbi

31、t sda=P 1八1;sbit scl=PMO;void start(void)sda=1;delay1(6); scl=1;delay1(6); sda=0;delay1(6); scl=0;delay1(6); void i2c_init() scl=1; delay1(6); sda=1;delay1(6);void respons()sda=0; delay1(6); scl=1; delay1(6); scl=0; delay1(6);sda=1; delay1(6);void NoAck(void)sda=1; delay1(6); scl=1; delay1(6);scl=0;

32、 delay1(6);void stop(void)scl=0;delay1(6); sda=0;delay1(6); scl=1;delay1(6);sda=1;delay1(6);uchar read_byte()uchar i,j,k;scl=0;delay1(6);sda=1;delay1(6);for(i=0;i<8;i+)scl=1; delay1(6);j=sda; k=(k<<1)|j;scl=0;delay1(6);return k;bit write_byte (uchar input)uchar temp;for(temp=8;temp!=0;temp-

33、) sda=(bit)(input&0x80);delay1(6);scl=1;delay1(6);scl=0;delay1(6); input=input<<1;return 1;delay1(1);void writepcf (uchar RomAddress,uchar da)start();write_byte (0xA2);respons();write_byte (RomAddress);respons(); write_byte(da); respons(); stop(); delay1(1);void writepcf_series(uchar nian1

34、,uchar yue1,uchar ri1,uchar xingqi1,uchar shi1,uchar fen1,uchar miao1) writepcf(0x08,nian1); writepcf(0x07,yue1); writepcf(0x06,xingqi1); writepcf(0x05,ri1); writepcf(0x04,shi1); writepcf(0x03,fen1); writepcf(0x02,miao1);void readpcf_series ()start();write_byte (0xA2);respons();write_byte (0x02);res

35、pons();start();write_byte (0xA3);respons(); miao=read_byte()&0x7f;respons(); fen=read_byte()&0x7f; respons(); shi=read_byte()&0x3f; respons();ri=read_byte()&0x3f; respons(); xingqi=read_byte()&0x07; respons(); yue=read_byte()&0x1f;respons(); nian=read_byte(); respons(); fenal

36、arm=read_byte()&0x7f; respons(); shialarm=read_byte()&0x3f; NoAck(); stop();delay1(1);void readpcf_series1 ()start();write_byte (0xA2); respons();write_byte (0x02); respons(); start();write_byte (0xA3); respons(); miao=read_byte()&0x7f;respons(); fen=read_byte()&0x7f; respons(); shi=

37、read_byte()&0x7f; NoAck(); stop(); delay1(1);void pcf_init()writepcf(0x00,0x00);writepcf(0x01,0x00);/ 显示#include <SST89x5x4.H> #include <INTRINS.H> #define uchar unsigned char #define uint unsigned int #include<display2.h> uchar code table0=0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x

38、37, 0x38,0x39,0x41,0x42,0x43,0x44,0x45,0x46 ;void xianshi() uchar dat; LCD_Init1(2);/ 年 dat=nian>>4 ;WritD(table0dat); dat=nian&0x0f;WritD(table0dat);LCD_Init1(5);/ 月 dat=yue>>4 ;WritD(table0dat);dat=yue&0x0f;WritD(table0dat);LCD_Init1(8);/ 日 dat=ri>>4 ;WritD(table0dat);dat

39、=ri&0x0f;WritD(table0dat);LCD_Init1(0x0c);/ 星期WritD(table0xingqi);dat=shi>>4 ;display2(dat,0x80);dat=shi&0x0f;display2(dat,0x40);dat=fen>>4 ; display2(dat,0x10); dat=fen&0x0f;display2(dat,0x08);dat=miao>>4 ; display2(dat,0x02); dat=miao&0x0f; display2(dat,0x01);LCD_

40、Init2(0);/ 时 dat=shi>>4 ;WritD(table0dat);dat=shi&0x0f;WritD(table0dat);LCD_Init2(3);/ 分 dat=fen>>4 ;WritD(table0dat);dat=fen&0x0f;WritD(table0dat);LCD_Init2(6);/ 秒 dat=miao>>4 ;WritD(table0dat);dat=miao&0x0f;WritD(table0dat);LCD_Init2(0x0b);/ 时 alarm dat=shialarm>&g

41、t;4 ;WritD(table0dat);dat=shialarm&0x0f;WritD(table0dat);LCD_Init2(0x0e);/ 分 alarm dat=fenalarm>>4 ;WritD(table0dat);dat=fenalarm&0x0f;WritD(table0dat);void xianshi1()uchar dat; dat=shi>>4;display2(dat,0x80);dat=shi&0x0f;display2(dat,0x40);dat=fen>>4 ;display2(dat,0x10)

42、;dat=fen&0x0f;display2(dat,0x08);dat=miao>>4 ; display2(dat,0x02); dat=miao&0x0f; display2(dat,0x01);2) D/A 转换#include "SST89x5x4.H"#include <INTRINS.H>#include "absacc.h"#include "./library/lcd.h"#include "./library/keyscan.h"#include &quo

43、t;./library/led.h"#include <math.h>#define uchar unsigned char #define uint unsigned intsbit SCLK=P1A2;sbit DIO=P 1八3;sbit DACS=P 1八5;void Delay_us(int t) while(t->=0);void Delay_ms1(int t) int j;while(t->=0) for(j=0;j<=1000;j-);/函数功能描述：驱动TLC5615开始DA转换/dat 为被转换的数字量 void tlc5615(u

44、int dat) uchar x;DACS=1;SCLK=0;Delay_us(100);DIO=0;DACS=O;/片选DA芯片dat=dat<<6; /虽然说输入是16位数据，但只有10为有效，DAC 寄存器是 1O 位for(x=0;x<12;x+)/ 串行发送DIO=dat&0x8000;SCLK= 1 ;/模拟时钟信号dat=dat<<1;SCLK=0;DACS=1;/ CS的上升沿和下降沿只有在elk为低的时候才有效/ 产生一个方波波形 void main(void) uint dat=0x0000; float dat1=0;uint fla

45、g=0; uchar key; LCD_Init();LCD_setcursol(0,0);选择 1 为方波LCD_puts("1 square"); /LCD_setcursol(0,1);选择 2 为锯齿波LCD_puts("2 sawtooth"); / while(1) key=GetChar(); if(key='1'|key='2'|key='3'|key='4')break;LCD_clear(); while(1) if(key='1')/ 方波LCD_set

46、cursol(0,0);LCD_puts("square"); tlc5615(0);Delay_us(15000); tlc5615(512);Delay_us(15000);if(key='2')/ 锯齿波LCD_setcursol(0,0);LCD_puts("sawtooth"); if(dat<512) dat=dat+10;else dat=0; tlc5615(dat);/Delay_us(5);if(key='3')/ 三角波LCD_setcursol(0,0);LCD_puts("SANJ

47、IAOBO"); if(flag=0) if(dat<512) dat=dat+10; tlc5615(dat); else flag=1; if(flag=1) if(dat>0) dat=dat-10; else flag=0; tlc5615(dat);if(key='4')/ 正弦波LCD_setcursol(0,0); LCD_puts("sin"); if(dat1<2000000) / dat1=dat1+0.1; /先送入低电平 延时一定时间 再送入高电平锯齿波峰值设为 512步进用阶梯状曲线拟合斜线锯齿波峰值设为

48、 512 步进用阶梯状曲线拟合斜线锯齿波峰值设为 512 步进用阶梯状曲线拟合斜线tlc5615(100+100*sin(dat1); Delay_us(5); if(GetKey()!=0xff)break;第 27 页3) A/D 转换uint filter_average(void); uint filter_midia(void);uint filter_slide(uint dat); void get_N_data(); void display(uint dat); void set_filter();void main() uchar i; uint dat; get_N_da

49、ta();Key_Init();while(1)keyValue=GetScanKey(); if(keyValue=0) set_filter();if(mode=1) / 平均值滤波 dat=filter_average(); get_N_data(); *led_wei=0x01; *led_duan=num_table1; Delay_ms(5);中值滤波else if(mode=2) / dat=filter_midia(); get_N_data(); *led_wei=0x01; *led_duan=num_table2; Delay_ms(5);/ 滑动滤波elsedat=fi

50、lter_slide(adc_1549(); *led_wei=0x01; *led_duan=num_table3; Delay_ms(5);for(i=0;i<cycle;i+)display(dat);/ 本函数用于预先采集数据void Before_Once_AD(void)uchar i;ADCLK=0;ADOUT=0;ADCS=O; / 开启控制电路，使能 DATA OU和I/O CLOCKfor(i=1;i<=10;i+)ADCLK=1;_nop_();ADCLK=O;_nop_();ADCS=1;/ 关闭控制电路Delay_us(22);/ 两次转换间隔大于 21us/ 本函数用于采集 adc 数据uint adc_1549(void)uint data_out=O; uchar i;ADCLK=O;ADOUT=O;ADCS = 1;_nop_();ADCS=0; /开启控制电路，使能 DATA OU和I/O CLOCK for(i=1;i<=1O;i+) / 给一个脉冲ADCLK=1;data_out<<=1;if(ADOUT) data_out|=0x01