数字温度计仿真图+源程序.docx

源程序#includereg52.h#includeintrins.h#define uchar unsigned char#define uint unsigned intucharyear,mon,day,xinqi;ucharsecond,minute,hour;ucharReadValue;uchardown,count;uchar flag; // 加减标志位char newsec,newmin,newhour; //重写数据用的秒，分，时char newyear,newmon,newday,newxinqi;uchar q;//---------------------ucharbai,shi,ge,fen,miao;#define t_cont 0.0625#define conever 0x44#define config 0x5f#define read 0xbe#define write 0x4e#define jmp 0xcc#define copy 0x48#define recall 0xb8sbitfmq=P2^3;sbitrs = P2^0;sbitrw = P2^1;sbit e = P2^2;sbit K1=P3^4;sbit K2=P3^5;sbit K3=P3^6;sbit K4=P3^7;sbit DATA=P1^0; //位定义1302芯片的接口sbit SCLK=P1^1; //位定义1302芯片的接口sbit RST =P1^4; //位定义1302芯片的接口bit t_sign;bit flag1;sbit a=ACC^0;sbitdq=P1^5;float temp=0;//----------------------------------------//函数声明//----------------------------------------void delayus(uint n);void delayms(uint k);void mingling(uchar com);void Write1302(uchardat);uchar Read1302(void);void WriteSet1302(ucharCmd,uchardat);uchar ReadSet1302(ucharCmd);void Int1302(void);void readtime(void);void display(void);void Setdisplay(void);void menu(void);void inmenu(void);void max();void min();void funcinc();void turn_sub(ucharnewval,ucharnewaddr);void scanquit();void funcquit();//--------------------------------------------------------//函数功能：us延时//--------------------------------------------------------void delayus(uint n){uchar i; for(i=0;in;i++);}void delayms(uint k){uchar i; for(i=0;ik;i++)delayus(100);}void delaya(uint m){while(m--);}void init_1820(){uchar i=1;while(flag1==0){dq=1;delaya(8);dq=0;delaya(52);dq=1;delaya(2);while(1){i=dq;if(i==0){flag1=1;delaya(10);break;}}}flag1=0;}/*************向1820发送字节************/void byte_1820(uchardat){uchar i=0;for(i=0;i8;i++){dq=0; ACC=dat0x01;dq=a;delaya(5);dq=1;dat=1;}}/**************读1820的数据*************/uchar read_1820(void){uchari,indat;indat=0;for(i=0;i8;i++){dq=0;indat=1;dq=1;if(dq) indat|=0x80;delaya(4);}return(indat);}/************获取TEM*****************/void readtem(){uint y;uchar td=0;u