1、單片機總流程圖主函數程序#include#include#defineucharunsignedchar#defineuintunsignedint#defineOSC_FREQucharcode#define_10ms#define_10ms#defineCOM8255#definePA8255#definePB8255#definePC8255XBYTE0XFFF3XBYTE0XFFF0XBYTE0XFFF1XBYTE0XFFF2(65536-OSC_FREQ/(/9970)tab=0 xFC,0 x60,0 xDA,0 xF2,0 x66,0 xB6,0 xBE,0 xE0,0 xFE,

2、0 xF6;ucharcodedis_HELLO=0 x89,0 x86,0 xc7,0 xc7;ucharcodedis_op51=0 xc0,0 x8c,0 x92,0 xf9;ucharcodedis_code=0 xcf,0 xa4,0 xcf,0 xa4;ucharucCnt_10ms=99;uchari=0;ucharJ=0;ucharn=0;ucharled1;ucharled2;sbitP2_4=P2八4;sbitP3_7=P3;sbitP1_0=P10;sbitP1_1=P11;sbitP1_2=P12;voidDisp_op51();voidDisp_HELLO();voi

3、dSet_Init_Xint();voidSet_Init_Timer();voidDisp_t();voidDelayX1ms(uintcount);voidDisp_8255();voidmain()for(;)Set_Init_Xint();Set_Init_Timer();Disp_8255();/ucCnt_10ms=99;/ucLed1=6;/ucLed2=8;if(n=1)for(;)Disp_HELLO();if(PB8255=0 xef)for(;)Disp_op51();Disp_t();for(i=0;i0 xff;i+);for(i=0;i0 xff;i+);定時器T0

4、流程圖定時器初始化函數程序定時器初始化函數程序定時器初始化函數程序定時器初始化函數程序voidSet_Init_Timer()TMOD=0 x01;TH0=_10ms/256;TL0=_10ms%256;EA=1;ET0=1;定時器中斷服務函數程序Run_Time0(void)interrupt1using2TR0=0;TH0=_10ms/256;TL0=_10ms%256;TR0=1;ucCnt_10ms+;if(ucCnt_10ms=200)/1sucCnt_10ms=0;led1+;if(led1=10)1S時間到更新顯示緩沖值led1=0;led2+;if(led2=10)led2=0

5、;外部中斷0流程圖外部中斷初始化函數程序外部中斷初始化函數程序外部中斷初始化函數程序外部中斷初始化函數程序voidSet_Init_Xint()IT0=1;EX0=1;EA=1;定時器中斷服務函數程序Run_Xint0(void)interrupt0using1n+;TR0=1;獨立式按鍵流程圖8255定義入口#defineCOM8255#definePA8255#definePB8255#definePC8255sbitP3_7=P3;sbitP1_0=P0;sbitP1_1=P1;sbitP12=P2;XBYTE0XFFF3XBYTE0XFFF0XBYTE0XFFF1XBYTE0XFFF2

6、8255初始化函數程序voidDisp_8255()P3_7=0;P1_0=0;P1_1=1;P1_2=0;COM8255=0 x82;HELLOHELLO顯示函數程序HELLOHELLO顯示函數程序voidDisp_HELLO()/HELLO顯示函數SCON=0 x00;SBUF=0 xFC;P2_4=0;while(!TI);TI=0;P2_4=1;P2_4=0;SBUF=0 x02;while(!TI);TI=0;P2_4=1;P1=0 x7A;P2=dis_HELLO0;DelayX1ms(5);P1=0 xBA;P2=dis_HELLO1;DelayX1ms(5);P1=0 xDA;

7、P2=dis_HELLO2;DelayX1ms(5);P1=0 xEA;P2=dis_HELLO3;DelayX1ms(5);延時延時10ms函數程序OP51OP51顯示函數程序voidDisp_op51()P1=0 x7F;P2=dis_op510;DelayX1ms(5);P1=0 xBF;P2=dis_op511;DelayX1ms(5);P1=0 xDF;P2=dis_op512;DelayX1ms(5);P1=0 xEF;P2=dis_op513;DelayX1ms(5);099顯示函數程序voidDisp_t()SCON=0 x00;SBUF=tabled2;P2_4=0;while(!TI);TI=0;P