1、1.數(shù)碼管顯示學(xué)號 #include int ms,ij;codecharta b = (0 x5 b, 0 x3f, 0 x6d, 0 x4f, 0 x5b,0 x3f,0 x3f,0 x4f,0 x3f,0 x07); codecharTABl=(0 xFE,0 xFD,0 xFB,0 xF 7,0 xEF,0 xDF,0 xBF,0 x7F)； void delay(int ms)int ij;for(i=0;ims;i+)for(j=0;j110;j+)；)void main(void)TMOD=0X10;EA=1;ET1 = 1;TR1 = 1;THl=(65536-1000)/25

2、6;TLl=(65536-1000)%256;while(l)for(i = 0;ij;i +)if(i 二 7)PO=tabj-i-l;P2=TABli;delay(l);)/P2 二 JP3,P0 二P2;void time_l() interrupt 3(THl=(65536-1000)/256;TL1=(65536-1000)%256;ms+ + ;if(ms 二二 1000)ms=0;j +；j 二 1；)2.數(shù)碼管顯示鍵盤序號值 #includecodechartab=0 x3F,0 x06,0 x5B,0 x4F, 0 x66,0 x6D,0 x7D,0 x07,0 x7F,0

3、x6F);sbit P10=PlA0;void main()P0=0XFF;TMOD=0X10;EA=1;ET1 = 1;TH1=(65536-1000)/256;TL1=(65536-1000)%256;while(l)P10=0;if(P3=0X7f)P2=0Xfe;P0=ta bl;TRl=0;)elseif(P3=0XBF)P2=0Xfe;P0=tab2;TRl=l;elseif(P3 二二 0XDF)P2 二 OXfepO 二 t ab3;TRl=0;)elseif(P3=0XEF)(P2=0Xfe;P0=t ab ;TR1=1;elsejf(P3=0XF7)P2=0 xfe;P0=

4、ta b5;TRl=0;elseif(P3=0XFB)P2=0Xfe;P0=t ab6;TRl=l;)elseif(P3=0XFD)(P2=0Xfe;P0=tab7;TRl=0;elseif(P3=0XFE)P2=0Xfe;P0=tab8;TRl=l;)void time_0() interrupt 3TH1 二(65536-1000)/256;TLl=(65536-1000)%256;PIO 二PIO;)/JP0=JP7,JP8=JP2,P10=PlA0;2.數(shù)碼管顯示串口發(fā)送數(shù)據(jù)#includeUnsignedcharTabQ=0 x3F,0 x06,0 x5B,0 x4F10 x66,0

5、 x6D,0 x7D,0 x07,0 x7F,0 x6F,0 x77,0 x7c,0 x39,0 x5E,0 x7 9,0 x71);sbit feng=P2A0;void main(void)/2400bps12.000MHz(char i;SCON 二 0 x50;/8 位數(shù)據(jù)，可變波特率TMOD = 0 x21; 設(shè)定 定時器1為8位自動重裝方 式TH0 二(65536-1000)/256;設(shè)定定時初值TLO = (65536-1000)%256;THl=0 xE6;TLl=0 xE6; 設(shè) 定定 時器重裝值禁止定時 器1中斷TRI = 1; 啟動定時器1)/GND=8,P20=BO,P

6、10=A;while(l)void TimeO(void) interrupt 1(while(RI)THO = (65536-1000)/256;(設(shè)定定時初值i=SBUF;TLO 二(65536-1000)%256;Pl=Tabi;feng 二feng;RI=O; if(i%2 二二 0)(4.傳感器控制蜂鳴器發(fā)餉EA=1;#includeET0=l;sbit P22=P1AO;TR0=l;sbit P20=P2A0;)sbit P21=P2A1;elsevoid main(void)(EA 二 0;TMOD=0 x01;ET0=0;THO 二(65536-100)/256;TR0=0;TL0=(65536-100)%256;EA=1;)ETO=1;TRO=1;while(l)if(P21=0)TRO=O;P22=l;elseTRO=1;P22=0;)/