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1、供应数码管用cc数码管数码管显示753voiddelayms(intms){inti;for(ms;ms>0;ms--)for(i=120;i>0;i--);}voidmain(){//intled,i;while(1){P1=0xfe;P0=0x4f;delayms(1000);P1=0xfd;P0=0x6d;delayms(100);P1=0xfb;P0=0x07;delayms(100);}}显示hello#include"AT89x52.h"voiddelayms(intms){inti;for(ms;ms>0;ms--
2、)for(i=120;i>0;i--);}voidmain(){//intled,i;while(1){P1=0xfe;P0=0x3f;delayms(10);P1=0xfd;P0=0x38;delayms(10);P1=0xfb;P0=0x38;delayms(10);P1=0xf7;P0=0x79;delayms(10);P1=0xef;P0=0x76;delayms(10);}}Xianshiuzi#include"AT89x52.h"charcodetable[]={0x3f,0x06,0x5b,0x4f,0x66,0x
3、6d,0x7d,0x7f,0x6f};voiddelayms(intms){inti;for(ms;ms>0;ms--)for(i=120;i>0;i--);}voidshuplay(intshu){P1=0xfe;//11111110P0=table[shu%10];//delayms(5);P1=0xfd;//11111101P0=table[shu%100/10];//delayms(5);P1=0xfb;//11110111P0=table[shu/100];//delayms(5);}voidmain(){intled
4、=1000,i;while(1){for(i=20;i>0;i--)shuplay(led);led=led+1;}}数码管显示0~1000#include"AT89x52.h"charcodetable[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x7f,0x6f};voiddelayms(intms){inti;for(ms;ms>0;ms--)for(i=120;i>0;i--);}voidshuplay(intshu){P1=0xfe;//11111110P0=table[shu%10]
5、;//delayms(5);P1=0xfd;//11111101P0=table[shu%100/10]+0*80;//delayms(5);P1=0xfb;//11110111P0=table[shu/100];//delayms(5);}voidmain(){intled,i;while(1){for(i=20;i>0;i--)shuplay(led);led=led+1;}}数码管数字加文字#include"AT89x52.h"charcodetable[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0
6、x7d,0x7f,0x6f};voiddelayms(intms){inti;for(ms;ms>0;ms--)for(i=120;i>0;i--);}voidHELLO(){P1=0xfe;P0=0x3f;delayms(100);P1=0xfd;P0=0x38;delayms(100);P1=0xfb;P0=0x38;delayms(100);P1=0xf7;P0=0x79;delayms(100);P1=0xef;P0=0x76;delayms(100);}voidshuplay(intshu){P1=0xfe;//111
7、11110P0=table[shu%10];//delayms(10);P1=0xfd;//11111101P0=table[shu%100/10]+0*80;//delayms(10);P1=0xfb;//11110111P0=table[shu/100];//delayms(10);}voidmain(){intled,i;while(123){for(i=20;i>0;i--)shuplay(led);led=led+1;HELLO();}}按键#include"AT89x52.h"sbitkeyA=P2^0;sbitke
8、yB=P2^1;voiddelayms(intms){inti;for(ms;ms>0;ms--)for(i=120;i>0;i--);}voidmain(){intmyKey;while(1){myKey=0;if(keyA==0);{delayms(5);i
