DS1302八位数码管C语言可调时钟日历

DS1302八位数码管C语言可调时钟日历DS1302可调时钟日历程序简介： 8为数码管显示通过Ｋ１切换时间日历时间格式位XX—XX—ＸＸ分别为时分秒　　　　日历格式为XX—ＸＸ　　Ｘ分别为月日　星期　　　　　在时间显示时，通过按K2实现时、分、秒的闪烁切换　　　　在日期显示时，通过按K2实现月、日、星期的闪烁切换在任意数码管闪烁时，短按K3，该闪烁位值增1，短按K4，该闪烁位值减1 在任意数码管闪烁时，长按K3，该闪烁位值连续增1，长按K4，该闪烁位值连续减1 在任意调节状态，短按K5，正常显示时间（程序经硬件实际测试通过，采用共阳数码...

DS1302可调时钟日历程序简介： 8为数码管显示通过Ｋ１切换时间日历时间格式位XX—XX—ＸＸ分别为时分秒　　　　日历格式为XX—ＸＸ　　Ｘ分别为月日　星期　　　　　在时间显示时，通过按K2实现时、分、秒的闪烁切换　　　　在日期显示时，通过按K2实现月、日、星期的闪烁切换在任意数码管闪烁时，短按K3，该闪烁位值增1，短按K4，该闪烁位值减1 在任意数码管闪烁时，长按K3，该闪烁位值连续增1，长按K4，该闪烁位值连续减1 在任意调节状态，短按K5，正常显示时间（程序经硬件实际测试通过，采用共阳数码管，程序放在WORD中有点乱，复制到KILE中就好了） DS1302时钟电路图 DS1302程序 #include #define uchar unsigned char #define uint8 unsigned int sbit io_DS1302_RST = P1^5 ; sbit io_DS1302_IO = P1^6 ; sbit io_DS1302_SCLK = P1^7 ; sbit duan=P1^0; sbit wei=P1^2; char shi,fen,miao,day,month,year,week,k,tiaoshijian,tiaoriqi,bb; uchar table[12]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf,0xbf}; uchar table1[11]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0x80,0x90,0xbf,0xbf}; #define KEY_1 0x0e #define KEY_2 0x0d #define KEY_3 0x0b #define KEY_4 0x07 #define KEY_5 0x10 #define KEY_NULL 0x1f #define KEY_PRESS 0x80 #define KEY_LONG 0x40 #define KEY_STATE_INIT 0 #define KEY_STATE_PRESS 1 #define KEY_STATE_LONG 2 #define KEY_STATE_UP 3 #define KEY_LONG_PERIOD 20 #define KEY_CONTINUE_PERIOD 10 bit set; bit dao1S=0; bit dao2MS=0; bit dao10MS; bit ss,mm,ff,yue,tian,xq; sbit key1=P3^0; sbit key2=P3^1; sbit key3=P3^2; sbit key4=P3^3; sbit key5=P3^4; int main_flag=0,exit_flag,up_flag,down_flag; int tab[]={0,0,0,0,0,0}; uchar weitable[]={0x01,0x02,0x04,0x08,0x10,0x20}; uchar tab1[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; void nint() { TMOD=0X01; TH0=0XF8; TL0=0XCC; TR0=1; ET0=1; } uchar KeyScan() { if(key1==0) return KEY_1; if(key2==0) return KEY_2; if(key3==0) return KEY_3; if(key4==0) return KEY_4; if(key5==0) return KEY_5; return KEY_NULL; } uchar GetKey() { uchar keyRetu=0,keyTemp=KEY_NULL; static uchar s_keyState=KEY_STATE_INIT,keyTime=0,keyLast=KEY_NULL; keyTemp=KeyScan(); switch (s_keyState) { case KEY_STATE_INIT: if(keyTemp!=KEY_NULL) { s_keyState=KEY_STATE_PRESS; } break; case KEY_STATE_PRESS: if(keyTemp!=KEY_NULL) { s_keyState=KEY_STATE_LONG; keyTime=0; keyLast=keyTemp; } else { s_keyState=KEY_STATE_INIT; } break; case KEY_STATE_LONG: if(keyTemp==KEY_NULL) { s_keyState=KEY_STATE_INIT; keyRetu=(keyLast|KEY_PRESS); } else { if(++keyTime>=KEY_LONG_PERIOD) { s_keyState=KEY_STATE_UP; keyTime=0; } } break; case KEY_STATE_UP: if(keyTemp==KEY_NULL) { s_keyState=KEY_STATE_INIT; } else { if(++keyTime>=KEY_CONTINUE_PERIOD) { keyTime=0; keyRetu=(keyLast|KEY_LONG); } } break; } return keyRetu; } uchar bcdtoasc(uchar cha) { return ((cha/16)*10+(cha%16)); } uchar asctobcd(uchar cha) { return ((cha/10)*16+(cha%10)); } void timer() interrupt 1 { static count=0; static count1=0; TH0=0XF8; TL0=0XCC; dao2MS=1; count++; if(++count1==10) { count1=0; dao10MS=1; } if(!(count%25)) set = !set; if(count==500) { count=0; dao1S=1; } } //-------------------------------------常数宏---------------------------------// #define DS1302_SECOND_WRITE 0x80 //写时钟芯片的寄存器位置 #define DS1302_MINUTE_WRITE 0x82 #define DS1302_HOUR_WRITE 0x84 #define DS1302_WEEK_WRITE 0x8A #define DS1302_DAY_WRITE 0x86 #define DS1302_MONTH_WRITE 0x88 #define DS1302_YEAR_WRITE 0x8C #define DS1302_SECOND_READ 0x81 //读时钟芯片的寄存器位置 #define DS1302_MINUTE_READ 0x83 #define DS1302_HOUR_READ 0x85 #define DS1302_WEEK_READ 0x8B #define DS1302_DAY_READ 0x87 #define DS1302_MONTH_READ 0x89 #define DS1302_YEAR_READ 0x8D //-----------------------------------操作宏----------------------------------// #define DS1302_SCLK_HIGH io_DS1302_SCLK = 1 ; #define DS1302_SCLK_LOW io_DS1302_SCLK = 0 ; #define DS1302_IO_HIGH io_DS1302_IO = 1 ; #define DS1302_IO_LOW io_DS1302_IO = 0 ; #define DS1302_IO_READ io_DS1302_IO #define DS1302_RST_HIGH io_DS1302_RST = 1 ; #define DS1302_RST_LOW io_DS1302_RST = 0 ; /****************************************************** * 保存时间数据的结构体 * ******************************************************/ struct { uint8 Second ; uint8 Minute ; uint8 Hour ; uint8 Day ; uint8 Week ; uint8 Month ; uint8 Year ; }CurrentTime ; /****************************************************************************** * Function: static void v_DS1302Write_f( uint8 Content ) * * Description:向DS1302写一个字节的内容 * * Parameter:uint8 Content : 要写的字节 * * * ******************************************************************************/ void delay(uchar z) { uchar a,b; for(a=z;a>0;a--) for(b=110;b>0;b--); } static void v_DS1302Write_f( uint8 Content ) { uint8 i ; for( i = 8 ; i > 0 ; i-- ) { if( Content & 0x01 ) { DS1302_IO_HIGH } else { DS1302_IO_LOW } Content >>= 1 ; DS1302_SCLK_HIGH DS1302_SCLK_LOW } } /****************************************************************************** * Function: static uint8 v_DS1302Read_f( void ) * * Description: 从DS1302当前设定的地址读取一个字节的内容 * * Parameter: * * Return: 返回读出来的值(uint8) * ******************************************************************************/ static uint8 v_DS1302Read_f( void ) { uint8 i, ReadValue ; DS1302_IO_HIGH for( i = 8 ; i > 0 ; i-- ) { ReadValue >>= 1 ; if( DS1302_IO_READ ) { ReadValue |= 0x80 ; } else { ReadValue &= 0x7f ; } DS1302_SCLK_HIGH DS1302_SCLK_LOW } return ReadValue ; } /****************************************************************************** * Function: void v_DS1302WriteByte_f( uint8 Address, uint8 Content ) * * Description: 从DS1302指定的地址写入一个字节的内容 * * Parameter: Address: 要写入数据的地址 * * Content: 写入数据的具体值 * * Return: * ******************************************************************************/ void v_DS1302WriteByte_f( uint8 Address, uint8 Content ) { DS1302_RST_LOW DS1302_SCLK_LOW DS1302_RST_HIGH v_DS1302Write_f( Address ) ; v_DS1302Write_f( Content ) ; DS1302_RST_LOW DS1302_SCLK_HIGH } /****************************************************************************** * Function: uint8 v_DS1302ReadByte_f( uint8 Address ) * * Description:从DS1302指定的地址读出一个字节的内容 * * Parameter:Address: 要读出数据的地址 * * * * Return: 指定地址读出的值(uint8) * ******************************************************************************/ uint8 v_DS1302ReadByte_f( uint8 Address ) { uint8 ReadValue ; DS1302_RST_LOW DS1302_SCLK_LOW DS1302_RST_HIGH v_DS1302Write_f( Address ) ; ReadValue = v_DS1302Read_f() ; DS1302_RST_LOW DS1302_SCLK_HIGH return ReadValue ; } /****************************************************************************** * Function: void v_ClockInit_f( void ) * * Description:初始化写入DS1302时钟寄存器的值(主程序中只需调用一次即可) * * Parameter: * * * * Return: * ******************************************************************************/ void v_ClockInit_f( void ) { if( v_DS1302ReadByte_f( 0xc1) != 0xf0 ) { v_DS1302WriteByte_f( 0x8e, 0x00 ) ; //允许写操作 v_DS1302WriteByte_f( DS1302_YEAR_WRITE, 0x11 ) ; //年 v_DS1302WriteByte_f( DS1302_WEEK_WRITE, 0x01 ) ; //星期 v_DS1302WriteByte_f( DS1302_MONTH_WRITE, 0x01 ) ; //月 v_DS1302WriteByte_f( DS1302_DAY_WRITE, 0x03 ) ; //日 v_DS1302WriteByte_f( DS1302_HOUR_WRITE, 0x15 ) ; //小时 v_DS1302WriteByte_f( DS1302_MINUTE_WRITE, 0x21 ) ; //分钟 v_DS1302WriteByte_f( DS1302_SECOND_WRITE, 0x30 ) ; //秒 v_DS1302WriteByte_f( 0x90, 0xa5 ) ; //充电 v_DS1302WriteByte_f( 0xc0, 0xf0 ) ; //判断是否初始化一次标识写入 v_DS1302WriteByte_f( 0x8e, 0x80 ) ; //禁止写操作 } } /****************************************************************************** * Function: void v_ClockUpdata_f( void ) * * Description:读取时间数据,并保存在结构体CurrentTime中 * * Parameter: * * * * Return: * ******************************************************************************/ void v_ClockUpdata_f( void ) { CurrentTime.Second = v_DS1302ReadByte_f( DS1302_SECOND_READ ) ; CurrentTime.Minute = v_DS1302ReadByte_f( DS1302_MINUTE_READ ) ; CurrentTime.Hour = v_DS1302ReadByte_f( DS1302_HOUR_READ ) ; CurrentTime.Day = v_DS1302ReadByte_f( DS1302_DAY_READ ) ; CurrentTime.Month = v_DS1302ReadByte_f( DS1302_MONTH_READ ) ; CurrentTime.Week = v_DS1302ReadByte_f( DS1302_WEEK_READ ) ; CurrentTime.Year = v_DS1302ReadByte_f( DS1302_YEAR_READ ) ; } void updata() { miao = (((CurrentTime.Second&0x70)>>4)&0x0f)*10 + (CurrentTime.Second&0x0F); fen = (((CurrentTime.Minute&0x70)>>4)&0x0f)*10 + (CurrentTime.Minute&0x0F); shi = (((CurrentTime.Hour&0x30)>>4)&0x0f)*10 + (CurrentTime.Hour&0x0F); day=(((CurrentTime.Day&0x30)>>4)&0x0f)*10 + (CurrentTime.Day&0x0F); month=(((CurrentTime.Month&0x10)>>4)&0x0f)*10 + (CurrentTime.Month&0x0F); week=CurrentTime.Week; year=(((CurrentTime.Year&0xf0)>>4)&0x0f)*10 + (CurrentTime.Year&0x0F); } void displayriqi() { //因为当LE为1时，锁存器是透明的，应该先使P0清零，即一个段也不被点亮 duan=1; // 打开段锁存器 P0=table[month%10]; // 将第1位的值放入锁存器 ,显示第1位 if(set&&yue) {P0=0XFF;} duan=0; //关闭段锁存器，将内容锁存 wei=1; //开位锁存器 P2=0x40; //位选通 wei=0; //关位锁存器 delay(10); duan=1; P0=table[month/10]; //显示第2位 if(set&&yue) {P0=0XFF;} duan=0; wei=1; P2=0x80; wei=0; delay(10); duan=1; P0=table[11]; //显示"_" duan=0; wei=1; P2=0x20; wei=0; delay(10); duan=1; P0=table[day%10]; //显示第3位 if(set&&tian) {P0=0XFF;} duan=0; wei=1; P2=0x08; wei=0; delay(10); duan=1; P0=table[day/10]; //显示第4位 if(set&&tian) {P0=0XFF;} duan=0; wei=1; P2=0x10; wei=0; delay(10); duan=1; P0=table1[week]; if(set&&xq) {P0=0XFF;} duan=0; wei=1; P2=0x01; wei=0; delay(10); } //if(set&&((k==main_flag-1))) //{P0=0XFF;} void dispalyshijian() { duan=1; // 打开段锁存器 P0=table[miao%10]; // 将第1位的值放入锁存器 ,显示第1位 if(set&&mm) {P0=0XFF;} duan=0; //关闭段锁存器，将内容锁存 wei=1; //开位锁存器 P2=0x01; //位选通 wei=0; //关位锁存器 delay(5); duan=1; P0=table[miao/10]; //显示第2位 if(set&&mm) {P0=0XFF;} duan=0; wei=1; P2=0x02; wei=0; delay(5); duan=1; P0=table[11]; //显示"_" duan=0; wei=1; P2=0x04; wei=0; delay(5); duan=1; P0=table[fen%10]; //显示第3位 if(set&&ff) {P0=0XFF;} duan=0; wei=1; P2=0x08; wei=0; delay(5); duan=1; P0=table[fen/10]; //显示第4位 if(set&&ff) {P0=0XFF;} duan=0; wei=1; P2=0x10; wei=0; delay(5); duan=1; P0=table[11]; //显示"_" duan=0; wei=1; P2=0x20; wei=0; delay(5); duan=1; P0=table[shi%10]; //显示第5位 if(set&&ss) {P0=0XFF;} duan=0; wei=1; P2=0x40; wei=0; delay(5); duan=1; P0=table[shi/10]; //显示第6位 if(set&&ss) {P0=0XFF;} duan=0; wei=1; P2=0x80; wei=0; // delay(5); } void main() { v_ClockInit_f(); nint(); EA=1; while(1) { v_ClockUpdata_f(); updata(); if(main_flag==1) displayriqi(); else dispalyshijian(); if(dao10MS) { dao10MS=0; switch (GetKey()) { case (KEY_1|KEY_PRESS): { if(++main_flag>=2) main_flag=0; } break; case (KEY_2|KEY_PRESS): { switch (main_flag) { case 0: {if(++tiaoshijian>=5) tiaoshijian=0; switch(tiaoshijian) { case 1: {mm=0; ss=1; } break; case 2: {ss=0; ff=1; } break; case 3: {ff=0; mm=1; } break; case 4: {ff=0; mm=0; ss=0; } break; } } break; case 1: {if(++tiaoriqi>=5) tiaoriqi=0; switch(tiaoriqi) { case 1: {xq=0; yue=1; } break; case 2: {yue=0; tian=1; } break; case 3: {tian=0; xq=1; } break; case 4: {tian=0; xq=0; yue=0; } break; } } } } break; case (KEY_3|KEY_PRESS): { if((main_flag==0)&&(ss==1)) //调小时 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 shi=bcdtoasc(CurrentTime.Hour); shi+=1; if(shi>=24) shi=0; shi=asctobcd(shi); v_DS1302WriteByte_f(0x84,shi); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Hour = v_DS1302ReadByte_f( DS1302_HOUR_READ ) ; shi=(((CurrentTime.Hour&0x30)>>4)&0x0f)*10 + (CurrentTime.Hour&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==0)&&(ff==1)) //调分钟 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 fen=bcdtoasc(CurrentTime.Minute); fen+=1; if(fen>=60) fen=0; fen=asctobcd(fen); v_DS1302WriteByte_f(0x82,fen); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Minute = v_DS1302ReadByte_f(DS1302_MINUTE_READ ) ; fen=(((CurrentTime.Minute&0x70)>>4)&0x0f)*10 + (CurrentTime.Minute&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==0)&&(mm==1)) //调秒 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 miao=bcdtoasc(CurrentTime.Second); miao+=1; if(miao>=60) miao=0; miao=asctobcd(miao); v_DS1302WriteByte_f(0x80,miao); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Second= v_DS1302ReadByte_f(DS1302_SECOND_READ ) ; miao=(((CurrentTime.Second&0x70)>>4)&0x0f)*10 + (CurrentTime.Second&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==1)&&(yue==1)) //调月份 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 month=bcdtoasc(CurrentTime.Month); month+=1; if(month>=13) month=0; month=asctobcd(month); v_DS1302WriteByte_f(0x88,month); CurrentTime.Month = v_DS1302ReadByte_f( DS1302_MONTH_READ ) ; month=(((CurrentTime.Month&0x10)>>4)&0x0f)*10 + (CurrentTime.Month&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==1)&&(tian==1)) //调日 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 day=bcdtoasc(CurrentTime.Day); day+=1; if(day>=32) day=1; day=asctobcd(day); v_DS1302WriteByte_f(0x86,day); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Day = v_DS1302ReadByte_f( DS1302_DAY_READ ) ; day=(((CurrentTime.Day&0x30)>>4)&0x0f)*10 + (CurrentTime.Day&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==1)&&(xq==1)) //调星期 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 week=bcdtoasc(CurrentTime.Week); week+=1; if(week>=8) week=1; week=asctobcd(week); v_DS1302WriteByte_f(0x8a,week); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Week = v_DS1302ReadByte_f( DS1302_WEEK_READ ) ; week=CurrentTime.Week; v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); }; } break; case (KEY_3|KEY_LONG): { if((main_flag==0)&&(ss==1)) //调小时 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 shi=bcdtoasc(CurrentTime.Hour); shi+=1; if(shi>=24) shi=0; shi=asctobcd(shi); v_DS1302WriteByte_f(0x84,shi); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Hour = v_DS1302ReadByte_f( DS1302_HOUR_READ ) ; shi=(((CurrentTime.Hour&0x30)>>4)&0x0f)*10 + (CurrentTime.Hour&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==0)&&(ff==1)) //调分钟 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 fen=bcdtoasc(CurrentTime.Minute); fen+=1; if(fen>=60) fen=0; fen=asctobcd(fen); v_DS1302WriteByte_f(0x82,fen); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Minute = v_DS1302ReadByte_f(DS1302_MINUTE_READ ) ; fen=(((CurrentTime.Minute&0x70)>>4)&0x0f)*10 + (CurrentTime.Minute&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==0)&&(mm==1)) //调秒 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 miao=bcdtoasc(CurrentTime.Second); miao+=1; if(miao>=60) miao=0; miao=asctobcd(miao); v_DS1302WriteByte_f(0x80,miao); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Second= v_DS1302ReadByte_f(DS1302_SECOND_READ ) ; miao=(((CurrentTime.Second&0x70)>>4)&0x0f)*10 + (CurrentTime.Second&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==1)&&(yue==1)) //调月份 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 month=bcdtoasc(CurrentTime.Month); month+=1; if(month>=13) month=0; month=asctobcd(month); v_DS1302WriteByte_f(0x88,month); CurrentTime.Month = v_DS1302ReadByte_f( DS1302_MONTH_READ ) ; month=(((CurrentTime.Month&0x10)>>4)&0x0f)*10 + (CurrentTime.Month&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==1)&&(tian==1)) //调日 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 day=bcdtoasc(CurrentTime.Day); day+=1; if(day>=32) day=1; day=asctobcd(day); v_DS1302WriteByte_f(0x86,day); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Day = v_DS1302ReadByte_f( DS1302_DAY_READ ) ; day=(((CurrentTime.Day&0x30)>>4)&0x0f)*10 + (CurrentTime.Day&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==1)&&(xq==1)) //调星期 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 week=bcdtoasc(CurrentTime.Week); week+=1; if(week>=8) week=1; week=asctobcd(week); v_DS1302WriteByte_f(0x8a,week); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Week = v_DS1302ReadByte_f( DS1302_WEEK_READ ) ; week=CurrentTime.Week; v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); }; } break; case (KEY_4|KEY_PRESS): { if((main_flag==0)&&(ss==1)) //调小时 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 shi=bcdtoasc(CurrentTime.Hour); shi-=1; if(shi<0) shi=23; shi=asctobcd(shi); v_DS1302WriteByte_f(0x84,shi); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Hour = v_DS1302ReadByte_f( DS1302_HOUR_READ ) ; shi=(((CurrentTime.Hour&0x30)>>4)&0x0f)*10 + (CurrentTime.Hour&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==0)&&(ff==1)) //调分钟 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 fen=bcdtoasc(CurrentTime.Minute); fen-=1; if(fen<0) fen=59; fen=asctobcd(fen); v_DS1302WriteByte_f(0x82,fen); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Minute = v_DS1302ReadByte_f(DS1302_MINUTE_READ ) ; fen=(((CurrentTime.Minute&0x70)>>4)&0x0f)*10 + (CurrentTime.Minute&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==0)&&(mm==1)) //调秒 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 miao=bcdtoasc(CurrentTime.Second); miao-=1; if(miao<0) miao=59; miao=asctobcd(miao); v_DS1302WriteByte_f(0x80,miao); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Second= v_DS1302ReadByte_f(DS1302_SECOND_READ ) ; miao=(((CurrentTime.Second&0x70)>>4)&0x0f)*10 + (CurrentTime.Second&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==1)&&(yue==1)) //调月份 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 month=bcdtoasc(CurrentTime.Month); month-=1; if(month<1) month=12; month=asctobcd(month); v_DS1302WriteByte_f(0x88,month); CurrentTime.Month = v_DS1302ReadByte_f( DS1302_MONTH_READ ) ; month=(((CurrentTime.Month&0x10)>>4)&0x0f)*10 + (CurrentTime.Month&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==1)&&(tian==1)) //调日 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 day=bcdtoasc(CurrentTime.Day); day-=1; if(day<1) day=31; day=asctobcd(day); v_DS1302WriteByte_f(0x86,day); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Day = v_DS1302ReadByte_f( DS1302_DAY_READ ) ; day=(((CurrentTime.Day&0x30)>>4)&0x0f)*10 + (CurrentTime.Day&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==1)&&(xq==1)) //调星期 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 week=bcdtoasc(CurrentTime.Week); week-=1; if(week<1) week=7; week=asctobcd(week); v_DS1302WriteByte_f(0x8a,week); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Week = v_DS1302ReadByte_f( DS1302_WEEK_READ ) ; week=CurrentTime.Week; v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); }; } break; case (KEY_4|KEY_LONG): { if((main_flag==0)&&(ss==1)) //调小时 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 shi=bcdtoasc(CurrentTime.Hour); shi-=1; if(shi<0) shi=23; shi=asctobcd(shi); v_DS1302WriteByte_f(0x84,shi); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Hour = v_DS1302ReadByte_f( DS1302_HOUR_READ ) ; shi=(((CurrentTime.Hour&0x30)>>4)&0x0f)*10 + (CurrentTime.Hour&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==0)&&(ff==1)) //调分钟 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 fen=bcdtoasc(CurrentTime.Minute); fen-=1; if(fen<0) fen=59; fen=asctobcd(fen); v_DS1302WriteByte_f(0x82,fen); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Minute = v_DS1302ReadByte_f(DS1302_MINUTE_READ ) ; fen=(((CurrentTime.Minute&0x70)>>4)&0x0f)*10 + (CurrentTime.Minute&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==0)&&(mm==1)) //调秒 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 miao=bcdtoasc(CurrentTime.Second); miao-=1; if(miao<0) miao=59; miao=asctobcd(miao); v_DS1302WriteByte_f(0x80,miao); //write_add(0x04,shi);//写分数据 // shi=read_add(0x04)&0x3f;//读取秒数据 CurrentTime.Second= v_DS1302ReadByte_f(DS1302_SECOND_READ ) ; miao=(((CurrentTime.Second&0x70)>>4)&0x0f)*10 + (CurrentTime.Second&0x0F); v_DS1302WriteByte_f(0x8e,0x80); //开写保护 dispalyshijian(); } else if((main_flag==1)&&(yue==1)) //调月份 { v_DS1302WriteByte_f(0x8e,0x00); //关写保护 month=bcdtoasc(CurrentTime.Month); month-=1; if(month<1) month=12; month=asctobcd(month); v_DS1302WriteByte_f(0x88,month); CurrentTime.Month = v_DS1302ReadByte_f( DS1302_MONTH_READ ) ; month=(((CurrentTime.Month&0x10)>>4)&0x0f)*10 + (CurrentTime.Month&0x0F);

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DS1302八位数码管C语言可调时钟日历

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