51c单片机开发 -

//TX-1C实验板

本文引用地址: http://www.21ic.com/app/mcu/201807/783101.htm

//芯片 STC89C52RC

//晶振频率 11.0592MHz

//=====一个LED灯闪

#include

#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

#include

#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

#include

#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

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

#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

#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

#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

#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)

nu