单片机16进制转10进制程序_综合-其它

单片机16进制转10进制程序

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单片机16进制转10进制程序
unsigned char d[10]; //用于显示的10位显示缓存

//========================================================
     //16进制to10进制输出子程序:显示数据，起始位，结束位，有无小数点
//========================================================
void output(unsigned long dd,unsigned char s,unsigned char
e,unsigned char dip) {
     unsigned long div;
     unsigned char tm[8],i,j;
     div=10000000;
     for (i=0;i<8;i++) {
         tm[i]=dd/div;
         dd%=div;
         div/=10;
     }
     for (i=0;i<6;i++) {
         if (tm[i]!=0) break;
         tm[i]=nul;
     }
     tm[5]|=dip;            //小数点控制，请看“串行LED数码管显示驱动程序”
     j=7;
     for (i=s;i<e;i++) {
         d[i]=tm[j];
         j--;
     }
}

//把显示位5-9位的10进制数转换成为16进制数
unsigned int input(void) {
     unsigned int dd,dat;
     dd=10000;dat=0;
     for (i=5;i<10;i++) {
         dat+=dd*temp;
         dd/=10;
     }
     return(dat);
}
/*    89C51系列CPU编程器接收CPU程序*/

＃i nclude <reg51.h>
＃i nclude <intrins.h>
＃i nclude <absacc.h>

#define e 8
#define p 9
#define l 10

sbit led=P3^2;
sbit p27=P2^7;
sbit p26=P2^6;
sbit p36=P3^6;
sbit p37=P3^7;
sbit rst=P3^3;
sbit ale=P3^5;
sbit vpp=P3^4;

bit b_break;
unsigned int adds;

//    13.8mS
void int_t0(void) interrupt 1 {
     TH0=-100;
     b_break=1;
}

void wait(unsigned char w) {
     unsigned int t=w*184;
     b_break=0;
     TL0=-t%256-1;TH0=-t/256;
     while (b_break==0) {}
}

void nop(void) {
     _nop_();_nop_();_nop_();_nop_();
     _nop_();_nop_();_nop_();_nop_();
     _nop_();_nop_();_nop_();_nop_();
     _nop_();_nop_();_nop_();_nop_();
     _nop_();_nop_();_nop_();_nop_();
}

unsigned char command(void) {
     TH0=-100;b_break=0;
     while (RI==0) {if (b_break==1) return(0);}
     RI=0;
     return(SBUF);
}

void earsure(unsigned char cpu) {
     switch (cpu) {
     case 1:        //89C51
     case 2:rst=p26=1;p27=p36=p37=0;nop();vpp=1;nop();
         ale=0;wait(110);ale=1;nop();
         break;
     case 3:
     case 4:break;
     case 5:
     case 6:break;
     }
}

void program(unsigned char cpu) {
     unsigned int bdata adds=0;
     unsigned char d;
     switch (cpu) {
     case 1:    //89C51
     case 2:
         p36=p37=1;rst=1;
         while (1) {
             TH0=-100;b_break=0;
             while (RI==0) {if (b_break==1) return;}
             RI=0;
             d=SBUF;
             //address
             P0=adds%256;
             P2=adds/256;
             p27=1;
             //data
             P1=d;
             nop();    //48clcl
             //vpp
             vpp=1;
             nop();    //48clcl
             //ale
             ale=0;
             wait(1);//100uS
             ale=1;
             nop();    //10uS
             vpp=0;
             nop();    //48clcl
             p27=0;
             nop();    //48clcl
             P1=0xff;
             TH0=-100;b_break=0;
             while (d!=P1) {if (b_break==1) return;}    //data
polling
             SBUF=d;
             adds++;
         }
         break;
     case 3:
     case 4:
     case 5:
     case 6:break;
     }
}