74HC595驱动两位数码管程序

/*=*/*=*/#include#include #include #include#include#define unchar unsigned char#define unint unsigned int#define unlong unsigned long/*=*/*=*/#define dmx_total_data 3#define DMAX 101#define DMIN 0#define CONTIME_T1 20000 #define CONTIME_T3 200 #define CONTIME_T2 100#define TIME0 256-17 #define BUTTON1 1#define BUTTON2 2sfr WDT_CONTR =0XE1;sfr ISP_DATA =0XE2;sfr ISP_ADDRH =0XE3;sfr ISP_ADDRL =0XE4;sfr ISP_LMD =0XE5;sfr ISP_TRIG =0XE6;sfr ISP_CONTR =0XE7;sfr P1M0 =0X91;sfr P1M1 =0X92; sfr AUXR =0X8E;unint data I_address;unintdata dis_Addr_Rg; unintdata dis_Addr_Rg; unchar data Counter = 10;sbit an_DOWN =P37;sbit an_UP =P14;sbit sdo =P17;sbit clk =P16;sbit stb =P15;sbit Bd_flg_RT =P34; unchar data dis ;unsigned code disp10=0xA0,0xF9,0xC4,0xD0,0x99,0x92,0x82,0xF8,0x80,0x90; /*-*/void delay10ms(void) unsigned char i,j; for(i=20;i0;i-) for(j=248;j0;j-);/-按键延时-/void ButtonDelay(void) unchar i,j; for(i = 0; i+; i 50) for(j = 0; j+; j 200);/*-*/unchar ButtonScan (void) unchar ButtonNum = 0; if(P34 = 0) /*延时防止按键抖动，如果晶振是12M的话。如果是其他的只要让延时在30ms就可以了*/ ButtonDelay(); if(P34 = 0) I_address+; if (I_address=100) I_address= 0; while(!P34); /*等待按键松开*/ ButtonDelay(); ButtonNum = an_UP; if(P17 = 0) ButtonDelay(); if(P17 = 0) I_address- if (I_address=100) I_address= 0; while(!P17); /*等待按键松开*/ ButtonDelay(); ButtonNum = an_DOWN ; return ButtonNum;/* -*/void diss (unsigned char Data) unchar i; for(i=0;i8;i+); clk=0;sdo=Data&0x80;Data=1;_nop_();_nop_();clk=1;_nop_();_nop_(); stb=0;_nop_();_nop_();stb=1; /*-*/ void display(void) unchar num1,num2; num1=I_address/10; num2=I_address%10; diss(dispnum1); delay10ms(); diss(dispn