单片机C语言程序设计实例.docx
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单片机C语言程序设计实例.docx
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单片机C语言程序设计实例
¡¶µ¥Æ¬»úCÓïÑÔ³ÌÐòÉè¼Æʵѵ100Àý¡ª»ùÓÚ8051+Proteus·ÂÕæ¡·°¸Àý
µÚ01ƪ»ù´¡³ÌÐòÉè¼Æ
01ÉÁ˸µÄLED
/*Ãû³Æ£ºÉÁ˸µÄLED
˵Ã÷£ºLED°´É趨µÄʱ¼ä¼ä¸ôÉÁ˸
*/
#include
#defineucharunsignedchar
#defineuintunsignedint
sbitLED=P1^0;
//ÑÓʱ
voidDelayMS(uintx)
{
uchari;
while(x--)
{
for(i=0;i<120;i++);
}
}
//Ö÷³ÌÐò
voidmain()
{
while
(1)
{
LED=~LED;
DelayMS(150);
}
}
02´Ó×óµ½ÓÒµÄÁ÷Ë®µÆ
/*Ãû³Æ£º´Ó×óµ½ÓÒµÄÁ÷Ë®µÆ
˵Ã÷£º½ÓÔÚP0¿ÚµÄ8¸öLED
´Ó×óµ½ÓÒÑ»·ÒÀ´ÎµãÁÁ£¬²úÉú×ß
ÂíµÆЧ¹û
*/
#include
#include
#defineucharunsignedchar
#defineuintunsignedint
//ÑÓʱ
voidDelayMS(uintx)
{
uchari;
while(x--)
{
for(i=0;i<120;i++);
}
}
//Ö÷³ÌÐò
voidmain()
{
P0=0xfe;
while
(1)
{
P0=_crol_(P0,1);//P0µÄÖµÏò×óÑ»·Òƶ¯
DelayMS(150);
}
}
038Ö»LED×óÓÒÀ´»ØµãÁÁ
/*Ãû³Æ£º8Ö»LED×óÓÒÀ´»ØµãÁÁ
˵Ã÷£º³ÌÐòÀûÓÃÑ»·ÒÆλº¯Êý_crol_ºÍ_cror_ÐγÉÀ´»Ø¹ö¶¯µÄЧ¹û
*/
#include
#include
#defineucharunsignedchar
#defineuintunsignedint
//ÑÓʱ
voidDelayMS(uintx)
{
uchari;
while(x--)
{
for(i=0;i<120;i++);
}
}
//Ö÷³ÌÐò
voidmain()
{
uchari;
P2=0x01;
while
(1)
{
for(i=0;i<7;i++)
{
P2=_crol_(P2,1);//P2µÄÖµÏò×óÑ»·Òƶ¯
DelayMS(150);
}
for(i=0;i<7;i++)
{
P2=_cror_(P2,1);//P2µÄÖµÏòÓÒÑ»·Òƶ¯
DelayMS(150);
}
}
}
04»¨ÑùÁ÷Ë®µÆ
/*Ãû³Æ£º»¨ÑùÁ÷Ë®µÆ
˵Ã÷£º16Ö»LED·ÖÁ½×é
°´Ô¤ÉèµÄ¶àÖÖ»¨Ñù±ä»»ÏÔʾ
*/
#include
#defineucharunsignedchar
#defineuintunsignedint
ucharcodePattern_P0[]=
{
0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xe7,0xdb,0xbd,0x7e,0xbd,0xdb,0xe7,0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7,0xff,
0xaa,0x55,0x18,0xff,0xf0,0x0f,0x00,0xff,0xf8,0xf1,0xe3,0xc7,0x8f,0x1f,0x3f,0x7f,
0x7f,0x3f,0x1f,0x8f,0xc7,0xe3,0xf1,0xf8,0xff,0x00,0x00,0xff,0xff,0x0f,0xf0,0xff,
0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,
0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,
0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff
};
ucharcodePattern_P2[]=
{
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0xff,
0xe7,0xdb,0xbd,0x7e,0xbd,0xdb,0xe7,0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7,0xff,
0xaa,0x55,0x18,0xff,0xf0,0x0f,0x00,0xff,0xf8,0xf1,0xe3,0xc7,0x8f,0x1f,0x3f,0x7f,
0x7f,0x3f,0x1f,0x8f,0xc7,0xe3,0xf1,0xf8,0xff,0x00,0x00,0xff,0xff,0x0f,0xf0,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,
0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,
0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff
};
//ÑÓʱ
voidDelayMS(uintx)
{
uchari;
while(x--)
{
for(i=0;i<120;i++);
}
}
//Ö÷³ÌÐò
voidmain()
{
uchari;
while
(1)
{//´ÓÊý×éÖжÁÈ¡Êý¾ÝËÍÖÁP0ºÍP2¿ÚÏÔʾ
for(i=0;i<136;i++)
{
P0=Pattern_P0[i];
P2=Pattern_P2[i];
DelayMS(100);
}
}
}
05LEDÄ£Ä⽻ͨµÆ
/*Ãû³Æ£ºLEDÄ£Ä⽻ͨµÆ
˵Ã÷£º¶«Î÷ÏòÂ̵ÆÁÁÈô¸ÉÃ룬»Æ
µÆÉÁ˸5´ÎºóºìµÆÁÁ£¬ºìµÆÁÁºó£¬ÄÏ
±±ÏòÓɺìµÆ±äΪÂ̵ƣ¬Èô¸ÉÃëºóÄϱ±
Ïò»ÆµÆÉÁ˸5´Ëºó±äºìµÆ£¬¶«Î÷Ïò±ä
Â̵ƣ¬Èç´ËÖظ´¡£
*/
#include
#defineucharunsignedchar
#defineuintunsignedint
sbitRED_A=P0^0;//¶«Î÷ÏòµÆ
sbitYELLOW_A=P0^1;
sbitGREEN_A=P0^2;
sbitRED_B=P0^3;//Äϱ±ÏòµÆ
sbitYELLOW_B=P0^4;
sbitGREEN_B=P0^5;
ucharFlash_Count=0,Operation_Type=1;//ÉÁ˸´ÎÊý£¬²Ù×÷ÀàÐͱäÁ¿
//ÑÓʱ
voidDelayMS(uintx)
{
uchari;
while(x--)for(i=0;i<120;i++);
}
//½»Í¨µÆÇл»
voidTraffic_Light()
{
switch(Operation_Type)
{
case1:
//¶«Î÷ÏòÂ̵ÆÓëÄϱ±ÏòºìµÆÁÁ
RED_A=1;YELLOW_A=1;GREEN_A=0;
RED_B=0;YELLOW_B=1;GREEN_B=1;
DelayMS(2000);
Operation_Type=2;
break;
case2:
//¶«Î÷Ïò»ÆµÆÉÁ˸£¬Â̵ƹرÕ
DelayMS(300);
YELLOW_A=~YELLOW_A;GREEN_A=1;
if(++Flash_Count!
=10)return;//ÉÁ˸5´Î
Flash_Count=0;
Operation_Type=3;
break;
case3:
//¶«Î÷ÏòºìµÆ£¬Äϱ±ÏòÂ̵ÆÁÁ
RED_A=0;YELLOW_A=1;GREEN_A=1;
RED_B=1;YELLOW_B=1;GREEN_B=0;
DelayMS(2000);
Operation_Type=4;
break;
case4:
//Äϱ±Ïò»ÆµÆÉÁ˸5´Î
DelayMS(300);
YELLOW_B=~YELLOW_B;GREEN_B=1;
if(++Flash_Count!
=10)return;
Flash_Count=0;
Operation_Type=1;
}
}
//Ö÷³ÌÐò
voidmain()
{
while
(1)Traffic_Light();
}
06µ¥Ö»ÊýÂë¹ÜÑ»·ÏÔʾ0~9
/*Ãû³Æ£ºµ¥Ö»ÊýÂë¹ÜÑ»·ÏÔʾ0~9
˵Ã÷£ºÖ÷³ÌÐòÖеÄÑ»·Óï¾ä·´¸´½«0~9µÄ¶ÎÂëËÍÖÁP0¿Ú£¬Ê¹Êý×Ö0~9Ñ»·ÏÔʾ
*/
#include
#include
#defineucharunsignedchar
#defineuintunsignedint
ucharcodeDSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
//ÑÓʱ
voidDelayMS(uintx)
{
uchart;
while(x--)for(t=0;t<120;t++);
}
//Ö÷³ÌÐò
voidmain()
{
uchari=0;
P0=0x00;
while
(1)
{
P0=~DSY_CODE[i];
i=(i+1)%10;
DelayMS(300);
}
}
078Ö»ÊýÂë¹Ü¹ö¶¯ÏÔʾµ¥¸öÊý×Ö
/*Ãû³Æ£º8Ö»ÊýÂë¹Ü¹ö¶¯ÏÔʾµ¥¸öÊý×Ö
˵Ã÷£ºÊýÂë¹Ü´Ó×óµ½ÓÒÒÀ´Î¹ö¶¯ÏÔʾ
0~7£¬³ÌÐòͨ¹ýÿ´Î½öÑ»·Ñ¡Í¨Ò»Ö»ÊýÂë
¹Ü
*/
#include
#include
#defineucharunsignedchar
#defineuintunsignedint
ucharcodeDSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
//ÑÓʱ
voidDelayMS(uintx)
{
uchart;
while(x--)for(t=0;t<120;t++);
}
//Ö÷³ÌÐò
voidmain()
{
uchari,wei=0x80;
while
(1)
{
for(i=0;i<8;i++)
{
P2=0xff;//¹Ø±ÕÏÔʾ
wei=_crol_(wei,1);
P0=DSY_CODE[i];//·¢ËÍÊý×Ö¶ÎÂë
P2=wei;//·¢ËÍλÂë
DelayMS(300);
}
}
}
088Ö»ÊýÂë¹Ü¶¯Ì¬ÏÔʾ¶à¸ö²»Í¬×Ö·û
µç·ÈçÉÏͼ
/*Ãû³Æ£º8Ö»ÊýÂë¹Ü¶¯Ì¬ÏÔʾ¶à¸ö²»Í¬×Ö·û
˵Ã÷£ºÊýÂë¹Ü¶¯Ì¬É¨ÃèÏÔʾ0~7¡£
*/
#include
#include
#defineucharunsignedchar
#defineuintunsignedint
ucharcodeDSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
//ÑÓʱ
voidDelayMS(uintx)
{
uchart;
while(x--)for(t=0;t<120;t++);
}
//Ö÷³ÌÐò
voidmain()
{
uchari,wei=0x80;
while
(1)
{
for(i=0;i<8;i++)
{
P0=0xff;
P0=DSY_CODE[i];//·¢ËͶÎÂë
wei=_crol_(wei,1);
P2=wei;//·¢ËÍλÂë
DelayMS
(2);
}
}
}
098Ö»ÊýÂë¹ÜÉÁ˸ÏÔʾÊý×Ö´®
µç·ÈçÉÏͼ
/*Ãû³Æ£º8Ö»ÊýÂë¹ÜÉÁ˸ÏÔʾÊý×Ö´®
˵Ã÷£ºÊýÂë¹ÜÉÁ˸ÏÔʾÓÉ0~7¹¹³ÉµÄÒ»´®Êý×Ö
±¾ÀýÓö¯Ì¬Ë¢Ð·¨ÏÔʾһ´®Êý×Ö£¬ÔÚֹͣˢÐÂʱËùÓÐÊý×ÖÏÔʾÏûʧ¡£
*/
#include
#defineucharunsignedchar
#defineuintunsignedint
//¶ÎÂë±í
ucharcodeDSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
//λÂë±í
ucharcodeDSY_IDX[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
//ÑÓʱ
voidDelayMS(uintx)
{
uchart;
while(x--)for(t=0;t<120;t++);
}
//Ö÷³ÌÐò
voidmain()
{
uchari,j;
while
(1)
{
for(i=0;i<30;i++)
{
for(j=0;j<8;j++)
{
P0=0xff;
P0=DSY_CODE[j];//·¢ËͶÎÂë
P2=DSY_IDX[j];//·¢ËÍλÂë
DelayMS
(2);
}
}
P2=0x00;//¹Ø±ÕËùÓÐÊýÂë¹Ü²¢ÑÓʱ
DelayMS(1000);
}
}
108Ö»ÊýÂë¹Ü¹ö¶¯ÏÔʾÊý×Ö´®
µç·ÈçÉÏͼ
/*Ãû³Æ£º8Ö»ÊýÂë¹Ü¹ö¶¯ÏÔʾÊý×Ö´®
˵Ã÷£ºÊýÂë¹ÜÏò×ó¹ö¶¯ÏÔʾ3¸ö×Ö·û¹¹³ÉµÄÊý×Ö´®
*/
#include
#include
#defineucharunsignedchar
#defineuintunsignedint
//¶ÎÂë±í
ucharcodeDSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
//ÏÂÃæÊý×é¿´×÷»·ÐζÓÁУ¬ÏÔʾ´Óij¸öÊý¿ªÊ¼µÄ8¸öÊý£¨10±íʾºÚÆÁ£©
ucharNum[]={10,10,10,10,10,10,10,10,2,9,8};
//ÑÓʱ
voidDelayMS(uintx)
{
uchart;
while(x--)for(t=0;t<120;t++);
}
//Ö÷³ÌÐò
voidmain()
{
uchari,j,k=0,m=0x80;
while
(1)
{//Ë¢ÐÂÈô¸É´Î£¬±£³ÖÒ»¶Îʱ¼äµÄÎȶ¨ÏÔʾ
for(i=0;i<15;i++)
{
for(j=0;j<8;j++)
{//·¢ËͶÎÂ룬²ÉÓû·ÐÎÈ¡·¨£¬´ÓµÚk¸ö¿ªÊ¼È¡µÚj¸ö
P0=0xff;
P0=DSY_CODE[Num[(k+j)%11]];
m=_crol_(m,1);
P2=m;//·¢ËÍλÂë
DelayMS
(2);
}
}
k=(k+1)%11;//»·ÐζÓÁÐÊ×Ö§ÕëkµÝÔö£¬Numϱ귶Χ0~10£¬¹Ê¶Ô11È¡Óà
}
}
11K1-K4¿ØÖÆLEDÒÆλ
/*Ãû³Æ£ºK1-K4¿ØÖÆLEDÒÆλ
˵Ã÷£º°´ÏÂK1ʱ£¬P0¿ÚLEDÉÏÒÆһλ£»
°´ÏÂK2ʱ£¬P0¿ÚLEDÏÂÒÆһλ£»
°´ÏÂK3ʱ£¬P2¿ÚLEDÉÏÒÆһλ£»
°´ÏÂK4ʱ£¬P2¿ÚLEDÏÂÒÆһλ£»
*/
#include
#include
#defineucharunsignedchar
#defineuintunsignedint
//ÑÓʱ
voidDelayMS(uintx)
{
uchari;
while(x--)
for(i=0;i<120;i++);
}
//¸ù¾ÝP1¿ÚµÄ°´¼üÒƶ¯
LED
voidMove_LED()
{
if((P1&0x10)==0)P0=_cror_(P0,1);//K1
elseif((P1&0x20)==0)P0=_crol_(P0,1);//K2
elseif((P1&0x40)==0)P2=_cror_(P2,1);//K3
elseif((P1&0x80)==0)P2=_crol_(P2,1);//K4
}
//Ö÷³ÌÐò
voidmain()
{
ucharRecent_Key;//×î½ü°´¼ü
P0=0xfe;
P2=0xfe;
P1=0xff;
Recent_Key=0xff;
while
(1)
{
if(Recent_Key!
=P1)
{
Recent_Key=P1;//±£´æ×î½ü°´¼ü
Move_LED();
DelayMS(10);
}
}
}
12K1-K4°´¼ü״̬ÏÔʾ
/*Ãû³Æ£ºK1-K4°´¼ü״̬ÏÔʾ
˵Ã÷£ºK1¡¢K2°´ÏÂʱLEDµãÁÁ£¬ËÉ¿ªÊ±Ï¨Ãð£¬
K3¡¢K4°´Ï²¢ÊÍ·ÅʱLEDµãÁÁ£¬Ôٴΰ´Ï²¢ÊÍ·ÅʱϨÃð£»
*/
#include
#defineucharunsignedchar
#defineuintunsignedint
sbitLED1=P0^0;
sbitLED2=P0^1;
sbitLED3=P0^2;
sbitLED4=P0^3;
sbitK1=P1^0;
sbitK2=P1^1;
sbitK3=P1^2;
sbitK4=P1^3;
//ÑÓʱ
voidDelayMS(uintx)
{
uchari;
while(x--)for(i=0;i<120;i++);
}
//Ö÷³ÌÐò
voidmain()
{
P0=0xff;
P1=0xff;
while
(1)
{
LED1=K1;
LED2=K2;
if(K3==0)
{
while(K3==0);
LED3=~LED3;
}
if(K4==0)
{
while(K4==0);
LED4=~LED4;
}
DelayMS(10);
}
}
13K1-K4·Ö×é¿ØÖÆLED
/*Ãû³Æ£ºK1-K4·Ö×é¿ØÖÆLED
˵Ã÷£ºÃ¿´Î°´ÏÂK1ʱµÝÔöµ
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