ds3231程序.docx

接线说明,以Arduinounor3为例: SCL→A5 SDA→A4 VCC→5V GND→GND 代码部分:#include<>#include<>#defineuchar  unsignedchar #defineuint   unsignedintsbitSDA=P3^6;    //模拟I2C数据传送位SDA**************       sbitSCL=P3^7;    //模拟I2C时钟控制位SCL**************sbitINT=P3^2;     sbitRESET=P3^3;//**************sbitled0=P1^0;sbitled1=P1^1;sbitled2=P1^2;sbitled3=P1^3;sbitled4=P1^4;sbitled5=P1^5;sbitled6=P1^6;sbitled7=P1^7;//**************bit ack;         //应答标志位#defineDS3231_WriteAddress0xD0   //器件写地址**************#defineDS3231_ReadAddress 0xD1   //器件读地址**************#defineDS3231_SECOND      0x00   //秒#defineDS3231_MINUTE      0x01   //分#defineDS3231_HOUR        0x02   //时#defineDS3231_WEEK        0x03   //星期#defineDS3231_DAY         0x04   //日#defineDS3231_MONTH       0x05   //月#defineDS3231_YEAR        0x06   //年//闹铃1           #defineDS3231_SALARM1ECOND0x07   //秒#defineDS3231_ALARM1MINUTE0x08   //分#defineDS3231_ALARM1HOUR  0x09   //时#defineDS3231_ALARM1WEEK  0x0A   //星期/日//闹铃2#defineDS3231_ALARM2MINUTE0x0b   //分#defineDS3231_ALARM2HOUR  0x0c   //时#defineDS3231_ALARM2WEEK  0x0d   //星期/日#defineDS3231_CONTROL     0x0e   //控制寄存器#defineDS3231_STATUS      0x0f   //状态寄存器#defineBSY                2      //忙#defineOSF                7      //振荡器停止标志#defineDS3231_XTAL        0x10   //晶体老化寄存器#defineDS3231_TEMPERATUREH0x11   //温度寄存器高字节(8位)#defineDS3231_TEMPERATUREL0x12   //温度寄存器低字节(高2位)  //**************uch