跪求 51单片机+12864液晶+1302时钟制成的万年历c程序？(2)

#define DS1302_HOUR 0x84

#define DS1302_WEEK 0x8A

#define DS1302_DAY 0x86

#define DS1302_MONTH 0x88

#define DS1302_YEAR 0x8C

#define DS1302_RAM(X) (0xC0+(X)*2) //用于计算 DS1302_RAM 地址的宏

/******内部指令**********/

void DS1302InputByte(unsigned char d) //实时时钟读取一字符(内部变量)

{

unsigned char i;

ACC = d;

for(i=8; i>0; i--)

{

DS1302_IO = ACC0;

DS1302_CLK = 1;

DS1302_CLK = 0;

ACC = ACC >> 1;//因为在后面将要定义了ACC0 = ACC^0;以便继续利用DS1302_IO = ACC0;

}

}

unsigned char DS1302OutputByte(void) //实时时钟读取一字符(内部变量)

{

unsigned char i;

for(i=8; i>0; i--)

{

ACC = ACC >>1;

ACC7 = DS1302_IO;

DS1302_CLK = 1;

DS1302_CLK = 0;

}

return(ACC);

}

/********************************/

void Write1302(unsigned char ucAddr, unsigned char ucDa) //ucAddr: DS1302地址, ucData: 要写的数据

{

DS1302_RST = 0;

DS1302_CLK = 0;

DS1302_RST = 1;

DS1302InputByte(ucAddr);// 地址12864液晶显示万年历程序，命令

DS1302InputByte(ucDa);// 写1Byte数据

DS1302_CLK = 1;

DS1302_RST = 0;

}

unsigned char Read1302(unsigned char ucAddr) //读取DS1302某地址的数据

{

unsigned char ucData;

DS1302_RST = 0;

DS1302_CLK = 0;

DS1302_RST = 1;

DS1302InputByte(ucAddr|0x01);// 地址12864液晶显示万年历程序，命令

ucData = DS1302OutputByte();// 读1Byte数据

DS1302_CLK = 1;

DS1302_RST = 0;

return(ucData);

}

void DS1302_SetProtect(bit flag)//是否写保护

{

if(flag)

Write1302(0x8E,0x10);

else

Write1302(0x8E,0x00);

}

void DS1302_SetTime(unsigned char Address, unsigned char Value)// 设置时间函数

{

DS1302_SetProtect(0);

Write1302(Address, ((Value/10)<<4 | (Value))); //将十进制数转换为BCD码

}//在DS1302中的与日历、时钟相关的寄存器保存的数据需要为BCD码形式

void DS1302_GetTime(SYSTEMTIME *Time)

{

unsigned char ReadValue;

ReadValue = Read1302(DS1302_SECOND);

Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F); //将BCD码转换为十进制数

ReadValue = Read1302(DS1302_MINUTE);

Time->Minute = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);

ReadValue = Read1302(DS1302_HOUR);

Time->Hour = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);

ReadValue = Read1302(DS1302_DAY);

Time->Day = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);

ReadValue = Read1302(DS1302_WEEK);

Time->Week = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);

ReadValue = Read1302(DS1302_MONTH);

Time->Month = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);

ReadValue = Read1302(DS1302_YEAR);

Time->Year = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);

}

unsigned char *DataToBCD(SYSTEMTIME *Time)

{

unsigned char D[8];

D[0]=Time->Second/10<<4+Time->Second;

D[1]=Time->Minute/10<<4+Time->Minute;

D[2]=Time->Hour/10<<4+Time->Hour;

D[3]=Time->Day/10<<4+Time->Day;

D[4]=Time->Month/10<<4+Time->Month;

D[5]=Time->Week/10<<4+Time->Week;

D[6]=Time->Year/10<<4+Time->Year;

return D;

}

void DateToStr(SYSTEMTIME *Time)

{

//将十进制数转换为液晶显示的ASCII值

Time->DateString[0] = Time->Year/10 + '0';

Time->DateString[1] = Time->Year + '0';

Time->DateString[2] = '-';

Time->DateString[3] = Time->Month/10 + '0';

Time->DateString[4] = Time->Month + '0';

Time->DateString[5] = '-';

Time->DateString[6] = Time->Day/10 + '0';

Time->DateString[7] = Time->Day + '0';

Time->DateString[8] = '\0';

}

void TimeToStr(SYSTEMTIME *Time)

{

//将十进制数转换为液晶显示的ASCII值

Time->TimeString[0] = Time->Hour/10 + '0';

Time->TimeString[1] = Time->Hour + '0';

Time->TimeString[2] = ':';

Time->TimeString[3] = Time->Minute/10 + '0';

Time->TimeString[4] = Time->Minute + '0';

Time->TimeString[5] = ':';

Time->TimeString[6] = Time->Second/10 + '0';

Time->TimeString[7] = Time->Second + '0';

Time->DateString[8] = '\0';

}

void Initial_DS1302(void)

{

unsigned char Second;

Second=Read1302(DS1302_SECOND);

if(Second&0x80) //初始化时间

DS1302_SetTime(DS1302_SECOND,0);

}

void DS1302_TimeStop(bit flag)// 是否将时钟停止

{

unsigned char Data;

Data=Read1302(DS1302_SECOND);

DS1302_SetProtect(0);

if(flag)

Write1302(DS1302_SECOND, Data|0x80);

else

Write1302(DS1302_SECOND, Data&0x7F);

}

#endif

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