//TX-1C实验板
//芯片 STC89C52RC
//晶振频率 11.0592MHz
//=====一个LED灯闪
#include<reg52.h>
#define uint unsigned int
sbit led1=P1^0;
void delay1s();
void main()
{
while(1)
{
led1=0;
delay1s();
led1=1;
delay1s();
}
}
void delay1s()
{
uint i,j;
for(i=500;i>0;i--)
for(j=110;j>0;j--);
}
//======流水灯程序
#include<reg52.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
void delayms(uint xms);
uchar aa;
void main()
{
aa=0xfe;
while(1)
{
P1=aa;;
delayms(500);
aa=_crol_(aa,1);
}
}
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
//=====启动蜂鸣
#include<reg52.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
sbit beep=P2^3;
void delay(uint z);
void main()
{
while(1)
{
beep=0;
delay(100);
beep=1;
delay(10000000);
}
}
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
//======数码管的显示；数字6
#include<reg52.h>
sbit dula=P2^6;
sbit wela=P2^7;
void main()
{
wela=1;
P0=0xfe;
wela=0;
dula=1;
P0=0x7d;
dula=0;
while(1);
}
//======数码管的静态显示
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit dula=P2^6;
sbit wela=P2^7;
uchar num;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71
};
void delayms(uint);
void main()
{
wela=1;
P0=0xc0;
wela=0;
while(1)
{
for(num=0;num<16;num++)
{
dula=1;
P0=table[num];
dula=0;
delayms(1000);
}
}
}
void delayms(uint xms)
{
uint x,y;
for(x=xms;x>0;x--)
for(y=110;y>0;y--);
}
//======数码管的动态显示
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71
};
void delayms(uint);
void main()
{
while(1)
{
dula=1;
P0=table[1];
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
delayms(500);
dula=1;
P0=table[2];
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delayms(500);
dula=1;
P0=table[3];
dula=0;
P0=0xff;
wela=1;
P0=0xfb;
wela=0;
delayms(500);
dula=1;
P0=table[4];
dula=0;
P0=0xff;
wela=1;
P0=0xf7;
wela=0;
delayms(500);
dula=1;
P0=table[5];
dula=0;
P0=0xff;
wela=1;
P0=0xef;
wela=0;
delayms(500);
dula=1;
P0=table[6];
dula=0;
P0=0xff;
wela=1;
P0=0xdf;
wela=0;
delayms(500);
}
}
void delayms(uint xms)
{
uint x,y;
for(x=xms;x>0;x--)
for(y=110;y>0;y--);
}
//======定时器0工作方式1=====
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar num;
void main()
{
P1=0x55;
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
while(1)
{
if(num==20)
{
num=0;
P1=~P1;
}
}
}
void t0_time() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
num++;
}
//=======用定时器0的方式1实现第一个发光管以ms间隔闪烁，用定时器1的方式1实现数码管前两位59s循环计时。
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
sbit led1=P1^0;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delayms(uint);
void display(uchar,uchar);
uchar num,num1,num2,shi,ge;
void main()
{
led1=0;
TMOD=0x11;//00010001
TH0=(65536-50000)/256;
TL0=(65539-50000)%256;
TH1=(65536-50000)/256;
TL1=(65539-50000)%256;
EA=1;
ET0=1;
ET1=1;
TR0=1;
TR1=1;
while(1)
{
display(shi,ge);
}
}
void display(uchar s,uchar g)
{
dula=1;
P0=table[s];
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
delayms(5);
dula=1;
P0=table[g];
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delayms(5);
}
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void t0_time() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65539-50000)%256;
num1++;
if(num1==20)
{
num1=0;
led1=~led1;
}
}
void t1_time() interrupt 3
{
TH1=(65536-50000)/256;
TL1=(65539-50000)%256;
num2++;
if(num2==20)
{
num2=0;
num++;
if(num==60)
num=0;
shi=num/10;
ge=num%10;
}
}
//===========用数码管的前两位显示一个十进制数，变化范围从00~59，开始时显示00，每按下s2键一次，数值加一；
每按下s3键一次，数值减一；
每按下s4键一次，数值归零；
每按下s5键一次，数值停止自动加1，保持显示原数，再按s5利用定时器功能数值开始自动每秒加1；
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit key1=P3^4;//s2
sbit key2=P3^5;//s3
sbit key3=P3^6;//s4
sbit key4=P3^7;//s5
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delayms(uint);
uchar numt0,num;
void display(uchar);
void init();
void keyscan();
void main()
{
init();
while(1)
{
keyscan();
display(num);
}
}
void display(uchar numdis)
{
uchar s,g;
s=numdis/10;
g=numdis%10;
dula=1;
P0=table[s];
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
delayms(5);
dula=1;
P0=table[g];
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delayms(5);
}
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void init()
{
TMOD=0x01;
TR0=1;
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
EA=1;
ET0=1;
numt0=0;
num=0;
}
void keyscan()
{
if(key1==0)
{
delayms(10);
if(key1==0)
{
num++;
if(num==60)
num=0;
while(!key1);
}
}
if(key2==0)
{
delayms(10);
if(key2==0)
{
if(num==0)
num=60;
num--;
while(!key2);
}
}
if(key3==0)
{
delayms(10);
if(key3==0)
{
num=0;
while(!key3);
}
}
if(key4==0)
{
delayms(10);
if(key4==0)
{
while(!key4);
TR0=~TR0;
}
}
}
void t0_time() interrupt 1
{
TH0=(65536-45872)/256;
TL0=(65536-45872)%256;
numt0++;
if(numt0==20)
{
numt0=0;
num++;
if(num==60)
num=0;
}
}
//=========实验板上电时，数码管不显示，顺序按下矩阵键盘后，在数码管上依次显示0~F，6个数码管同时静态显示即可
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delayms(uint);
void display(uchar num);
void matrixkeyscan();
void main()
{
P0=0;
dula=1;
dula=0;
P0=0xc0;
wela=1;
wela=0;
while(1)
{
matrixkeyscan();
}
}
void display(uchar num)
{
P0=table[num];
dula=1;
dula=0;
}
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void matrixkeyscan()
{
uchar temp,key;
P3=0xfe;
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
delayms(10);
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
temp=P3;
switch(temp)
{
case 0xee:
key=0;
break;
case 0xde:
key=1;
break;
case 0xbe:
key=2;
break;
case 0x7e:
key=3;
break;
default:
key=0;
break;
}
while(temp!=0xf0)
{
temp=P3;
temp=temp&0xf0;
}
display(key);
}
}
P3=0xfd;
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
delayms(10);
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
temp=P3;
switch(temp)
{
case 0xed:
key=4;
break;
case 0xdd:
key=5;
break;
case 0xbd:
key=6;
break;
case 0x7d:
key=7;
break;
default:
key=0;
break;
}
while(temp!=0xf0)
{
temp=P3;
temp=temp&0xf0;
}
display(key);
}
}
P3=0xfb;
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
delayms(10);
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
temp=P3;
switch(temp)
{
case 0xeb:
key=8;
break;
case 0xdb:
key=9;
break;
case 0xbb:
key=10;
break;
case 0x7b:
key=11;
break;
default:
key=0;
break;
}
while(temp!=0xf0)
{
temp=P3;
temp=temp&0xf0;
}
display(key);
}
}
P3=0xf7;
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
delayms(10);
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
temp=P3;
switch(temp)
{
case 0xe7:
key=12;
break;
case 0xd7:
key=13;
break;
case 0xb7:
key=14;
break;
case 0x77:
key=15;
break;
default:
key=0;
break;
}
while(temp!=0xf0)
{
temp=P3;
temp=temp&0xf0;
}
display(key);
}
}
}
//=========用单片机控制ADC0804进行模数转换，当拧松实验板上A/D旁边的电位器Re2时，在数码管的前三位以十进制方式动态显示出A/D转换后的数字量（8位A/D转换后数值在0~255变化）
#include<reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
sbit adwr=P3^6;
sbit adrd=P3^7;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delayms(uint);
void display(uchar,uchar,uchar);
void main()
{
uchar a,A1,A2,A3,adval;
wela=1;
P0=0x7f;
wela=0;
while(1)
{
adwr=1;
_nop_();
adwr=0;
_nop_();
adwr=1;
for(a=10;a>0;a--)
{
display(A1,A2,A3);
}
P1=0xff;
adrd=1;
_nop_();
adrd=0;
_nop_();
adval=P1;
adrd=1;
A1=adval/100;
A2=adval%100/10;
A3=adval%10;
}
}
void display(uchar bai,uchar shi,uchar ge)
{
dula=1;
P0=table[bai];
dula=0;
P0=0xff;
wela=1;
P0=0x7e;
wela=0;
delayms(5);
dula=1;
P0=table[shi];
dula=0;
P0=0xff;
wela=1;
P0=0x7d;
wela=0;
delayms(5);
dula=1;
P0=table[ge];
dula=0;
P0=0xff;
wela=1;
P0=0x7b;
wela=0;
delayms(5);
}
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
//=================用单片机控制DAC0832芯片输出电流，让发光二极管D12由灭均匀变到最亮，再由最亮均匀熄灭。在最亮和最暗时使用蜂鸣器分别警报一声，完成整个周期时间控制在5s左右，循环变化。
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
sbit dawr=P3^6;
sbit dacs=P3^2;
sbit beep=P2^3;
void delayms(uint);
void main()
{
uchar val,flag;
dula=0;
wela=0;
dacs=0;
dawr=0;
P0=0;
while(1)
{
if(flag==0)
{
val+=5;
P0=val;
if(val==255)
{
flag=1;
beep=0;
delayms(100);
beep=1;
}
delayms(50);
}
else
{
val-=5;
P0=val;
if(val==0)
{
flag=0;
beep=0;
delayms(100);
beep=1;
}
delayms(50);
}
}
}
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
//=========在上位机上用串口调试助手发送一个字符X，单片机收到字符后返回给上位机”Xi get”,串口波特率设为9600bps.
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar flag,a,i;
uchar code table[]="I get ";
void init()
{
TMOD=0x20;//设定T1定时器工作方式2
TH1=0xfd;//T1定时器装初值
TL1=0xfd;//T1定时器装初值
TR1=1; //启动T1定时器
SM0=0;//设定串口工作方式1
SM1=1;// 设定串口工作方式1
REN=1;//允许串行接收数据
EA=1;//开总中断
ES=1;//开串口中断
}
void main()
{
init();
while(1)
{
if(flag==1)
{
ES=0;
//
SBUF=a;//发送数据
while(!TI);
TI=0;
//
for(i=0;i<6;i++)
{
SBUF=table[i];
while(!TI);
TI=0;
}
//
ES=1;
flag=0;
}
}
}
void ser() interrupt 4
{
RI=0;
a=SBUF;//接收数据
flag=1;
}
//==================
#include<reg52.h>
#include<intrins.h>
#include<stdio.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
sbit adwr=P3^6;
sbit adrd=P3^7;
uchar flag,a;
uchar flag_uart,flag_time,flag_on,a,i,t0_num,ad_val;
float ad_vo;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void init()
{
TMOD=0x21;
//SCON=0X50;
TH0=(65536-50000)/256;
TH0=(65536-50000)%256;
TH1=0xfd;
TL1=0xfd;
TR1=1;
SM0=0;
SM1=1;
REN=1;
EA=1;
ES=1;
}
void display(uchar value)
{
uchar b,s,g;
b=value/100;
s=value%100/10;
g=value%10;
dula=1;
P0=table[b];
dula=0;
P0=0xff;
wela=1;
P0=0x7e;
wela=0;
delayms(5);
dula=1;
P0=table[s];
dula=0;
P0=0xff;
wela=1;
P0=0x7d;
wela=0;
delayms(5);
dula=1;
P0=table[g];
dula=0;
P0=0xff;
wela=1;
P0=0x7b;
wela=0;
delayms(5);
}
uchar get_ad()
{
uchar adval;
adwr=1;
_nop_();
adwr=0;
_nop_();
adwr=1;
P1=0xff;
adrd=1;
_nop_();
adrd=0;
_nop_();
adval=P1;
adrd=1;
return adval;
}
void main()
{
init();
wela=1;
P0=0x7f;
wela=0;
while(1)
{
if(flag_uart==1)
{
flag_uart=0;
ES=0;
TI=1;
switch(flag_on)
{
case 0:
puts("turn on ad!\n");
break;
case 1:
puts("turn off ad!\n");
break;
case 2:
puts("error!\n");
break;
// default:
// puts("warn!");
// break;
}
while(!TI);
TI=0;
ES=1;
}
if(flag_time==1)
{
flag_time=0;
ad_val=get_ad();
ad_vo=(float)ad_val*5.0/256.0;
ES=0;
TI=1;
printf("the voltage is %fV\n",ad_vo);
while(!TI);
TI=0;
ES=1;
}
display(ad_val);
}
}
void timer0() interrupt 1
{
TH0=(65536-50000)/256;
TH0=(65536-50000)%256;
t0_num++;
if(t0_num==20)
{
t0_num=0;
flag_time=1;
}
}
void ser() interrupt 4
{
RI=0;
a=SBUF;
flag_uart=1;
if(a==1)
flag_on=0;
else if(a==2)
flag_on=1;
else
flag_on=2;
}
//=================
