毕业设计--基于单片机的智能数字闹钟程序代码.doc

姚辉虎的毕业设计--基于单片机的智能数字闹钟程序代码 程序代码 ? main.c #include reg51.h#include intrins.h#include yf.h??unsigned char clock_data[4]; sbit speaker? = P2^4;//? 蜂鸣器sbit bell = P2^2;?? //铃响bit bell_on=0;bit key_ok=0;unsigned char bell_time=0x20;uchar week_clock_set;#define FIRST_ADDR 0 //定义全局变量unsigned char yy,mo,dd,xq,hh,mm,ss;//? 定义时间映射全局变量（专用寄存器）uchar j; /****************************************************************************///函数声明extern? unsigned char read_clock(unsigned char ord);extern void lcdwc(unsigned char cmdcode);extern void hzkdis(unsigned char code *s);extern void hzkdis2(unsigned char *s);extern char Read_One_Byte(unsigned char addr);extern void Write_One_Byte(unsigned char addr,unsigned char thedata);void lcm_w_ss(void);extern void lcdreset(void);extern void Init_DS18B20(void);extern char gotkey();extern void Init_1302(void);extern unsigned int ReadTemperature(void); extern void write_clock(unsigned char ord, unsigned char dd);extern void disp_hz(uchar x,uchar *c_str,uchar w);extern void delay(unsigned int t);void new_time(void);void read_clockss(x); ? //void lcm_w_temp(void) ; void read_clockS(void){?ss = read_clock(0x81);//读取秒数据?mm = read_clock(0x83);//读取分钟数据?hh = read_clock(0x85);//小时?dd = read_clock(0x87);//日?mo = read_clock(0x89);//月?xq = read_clock(0x8b);//星期?yy = read_clock(0x8d);//年} /*void Set_time(unsigned char sel){ //根据选择调整的相应项目加1并写入DS1302? signed char address,item;? signed char max,mini; ??? if(sel==7)? {address=0x80; max=0;mini=0;}???? //秒? if(sel==6)? {address=0x82; max=59;mini=0;}??? //分钟? if(sel==5)? {address=0x84; max=23;mini=0;}??? //小时? if(sel==3)? {address=0x86; max=31;mini=1;}??? //日? if(sel==2)? {address=0x88; max=12;mini=1;}??? //月? if(sel==1)? {address=0x8c; max=99; mini=0;}??? //年? if(sel==4)? {address=0x8a; max=7;mini=1;}??? //星期??? //读取1302某地址上的数值转换成10进制赋给item?? item=((read_clock(address+1))/16)*10 + (read_clock(address+1))%16;? if(KEY_Y == 0){? ?item++;//数加 1??? }? if(KEY_N== 0){?