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          stm32控制DS1302
          
						
          
				作者：
				時間：2016-12-03
				來源：網(wǎng)絡
				
				
				
				
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			在ds1302.h文件中:
          #ifndef _STM32F103_DS1302_H_
          #define _STM32F103_DS1302_H_


          //*****************DS1302控制命令*******************
          #define RdSec 0x81
          #define RdMin 0x83
          #define RdHour 0x85
          #define RdDate 0x87
          #define RdMonth 0x89
          #define RdWeek 0x8b
          #define RdYear 0x8d
          #define RdControl 0x8f
          #define RdTrickleCharge 0x91
          #define RdClockBurst 0xbf
          #define WrSec 0x80
          #define WrMin 0x82
          #define WrHour 0x84
          #define WrDate 0x86
          #define WrMonth 0x88
          #define WrWeek 0x8a
          #define WrYear 0x8c
          #define WrControl 0x8e
          #define WrTrickleCharge 0x90
          #define WrClockBurst 0xbe
          //添加的信息
          #define RdRamBurst 0xbf


          //相對應的IO口配置

          #define DS1302_PORT GPIOE

          #define DS1302_SCK_PIN GPIO_Pin_9 //對應的IO口
          #define DS1302_IO_PIN GPIO_Pin_10
          #define DS1302_CE_PIN GPIO_Pin_11



          #define DS1302_CLRSCK() (GPIO_ResetBits(GPIOE, GPIO_Pin_9)) //寄存器IO口操作狀態(tài)
          #define DS1302_SETSCK() (GPIO_SetBits(GPIOE, GPIO_Pin_9))

          #define DS1302_CLRIO() (GPIO_ResetBits(GPIOE, GPIO_Pin_10) )
          #define DS1302_SETIO() (GPIO_SetBits(GPIOE, GPIO_Pin_10) )

          #define DS1302_CLRCE() (GPIO_ResetBits(GPIOE, GPIO_Pin_11))
          #define DS1302_SETCE() (GPIO_SetBits(GPIOE, GPIO_Pin_11))


          void DS1302_IO_OUT(void );
          void DS1302_IO_IN( void);


          //#define DS1302_IO_IN() DS1302_IO_IN() //操作輸入輸出狀態(tài)
          //#define DS1302_IO_OUT() DS1302_IO_OUT()

          #define DS1302_READ_SDA() (GPIO_ReadInputDataBit(DS1302_PORT, DS1302_IO_PIN))



          //定義時間結(jié)構(gòu)體
          //typedef struct
          //{
          // unsigned char year;
          // unsigned char month;
          // unsigned char date;
          // unsigned char week;
          // unsigned char hour;
          // unsigned char min;
          // unsigned char sec;
          //}TIME_TypeDef;

          typedef struct
          {
          unsigned char sec;
          unsigned char min;
          unsigned char hour;
          unsigned char week;
          unsigned char date;
          unsigned char month;
          unsigned char year;
          }TIME_TypeDef;


          //內(nèi)部函數(shù)
          void DS1302_Write8bit(unsigned char code);
          unsigned char DS1302_Read8bit(void);
          //外部函數(shù)
          extern void ds1302_init (void);
          extern unsigned char DS1302_ReadByte(unsigned char con);
          extern void DS1302_WriteByte(unsigned char con,unsigned char code);

          extern void DS1302_WriteTime(TIME_TypeDef* time);
          extern void DS1302_ReadTime(TIME_TypeDef* time);


          void time_convert(TIME_TypeDef *time_get);

          #endif
          本文引用地址：http://www.ex-cimer.com/article/201612/325184.htm
          在ds1302.c文件中:
          /********************************copyright ythuitong by wit_yuan**************************/

          #include "bsp.h"

          //////////////////////////////////////////////////////////////////////////
          // 函數(shù)名 : ds1302_init
          // 功能 : ds1302初始化部分
          // 參數(shù) : void
          // 作者 : wit_yuan
          // 時間 : 2014-08-08
          ////////////////////////////////////////////////////////////////////////////
          void ds1302_init(void)
          {
          GPIO_InitTypeDef GPIO_InitStructure;

          RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE, ENABLE );
          GPIO_InitStructure.GPIO_Pin = (DS1302_SCK_PIN | DS1302_IO_PIN | DS1302_CE_PIN);
          GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP ;
          GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
          GPIO_Init(DS1302_PORT, &GPIO_InitStructure);

          DS1302_WriteByte(WrControl,0x00); //關(guān)閉寫保護，可以寫入數(shù)據(jù)了

          Delay_10us(10);
          // if(DS1302_ReadByte(RdTrickleCharge) != 0xA6)
          // {
          // Delay_10us(10);
          // DS1302_WriteByte(WrTrickleCharge,0xA6);
          //
          // printf("進入rn");
          // }
          Delay_10us(10);
          DS1302_WriteByte(WrControl,0x80); //開啟寫保護，禁止寫入數(shù)據(jù)
          }


          void DS1302_IO_OUT()
          {
          GPIO_InitTypeDef GPIO_InitStructure;
          GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
          GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
          GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

          GPIO_Init(GPIOE, &GPIO_InitStructure);
          }

          void DS1302_IO_IN()
          {
          GPIO_InitTypeDef GPIO_InitStructure;
          GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
          GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;

          GPIO_Init(GPIOE, &GPIO_InitStructure);
          }



          //DS1302寫入8bit
          void DS1302_Write8bit(unsigned char code)
          {
          unsigned char i;
          DS1302_IO_OUT(); //輸出模式
          DS1302_CLRSCK(); //SCK = 0
          for(i=0;i<8;i++)
          {
          Delay_10us(5);
          if(code&0x01)
          (DS1302_SETIO()); //I/0 = 1
          else
          (DS1302_CLRIO()); //I/0 = 0
          Delay_10us(5);

          DS1302_SETSCK(); //SCLK = 1
          Delay_10us(5);

          DS1302_CLRSCK(); //SCLK = 0
          code = code >> 1;
          }
          }

          //DS1302讀取8bit的數(shù)據(jù)
          unsigned char DS1302_Read8bit(void)
          {
          unsigned char i,code;
          unsigned char temp;
          DS1302_IO_IN();
          code = 0;
          DS1302_CLRSCK(); //SCLK = 0

          Delay_10us(5);

          for(i=0;i<8;i++)
          {

          code = code >>1;

          if(DS1302_READ_SDA())
          {
          code = code | 0x80;
          }



          Delay_10us(5);
          DS1302_SETSCK(); //SCLK = 1
          Delay_10us(5);

          DS1302_CLRSCK(); //SCLK = 0

          }

          temp = code /16;
          code = code % 16;
          code = code + temp * 10; //數(shù)據(jù)的相關(guān)轉(zhuǎn)換

          return code;
          }



          //讀取DS1302指定的1Byte
          unsigned char DS1302_ReadByte(unsigned char con)
          {
          unsigned char code;
          DS1302_CLRCE(); //關(guān)閉DS1302 //CE = 0
          Delay_10us(5);
          DS1302_CLRSCK(); //SCLK = 0
          Delay_10us(5);
          DS1302_SETCE(); //使能DS1302 //CE = 1;
          Delay_10us(5);
          DS1302_Write8bit(con); //讀取代碼 //發(fā)送地址
          code = DS1302_Read8bit(); //返回讀取數(shù)字

          //printf("code = %drn" ,code );
          Delay_10us(5);
          DS1302_SETSCK(); //SCLK = 1
          Delay_10us(5);
          DS1302_CLRCE(); //關(guān)閉DS1302 //CE = 0
          return code;
          }


          //u8 DS1302_ReadRam(u8 addr)
          //{
          // u8 tmp,res;
          //
          // tmp = addr;
          // res = DS1302_ReadByte(tmp);
          // return(res);
          //}

          ////連續(xù)讀取DS1302所有數(shù)據(jù)
          //void DS1302_ReadBurst(unsigned char *rstr)
          //{
          // int i = 0;
          // unsigned char code;
          // DS1302_CLRCE(); //關(guān)閉DS1302 //CE = 0
          // Delay_10us(5);
          // DS1302_CLRSCK(); //SCLK = 0
          // Delay_10us(5);
          // DS1302_SETCE(); //使能DS1302 //CE = 1;
          // Delay_10us(5);
          // DS1302_Write8bit(RdRamBurst); //讀取代碼 //發(fā)送地址
          //
          // for(i = 0 ;i < 31 ; i++)
          // {
          // rstr[i] = DS1302_ReadRam(2 * i + 1 + 0xc0); //返回讀取數(shù)字
          // }
          //
          // //printf("code = %drn" ,code );
          // Delay_10us(5);
          // DS1302_SETSCK(); //SCLK = 1
          // Delay_10us(5);
          // DS1302_CLRCE(); //關(guān)閉DS1302 //CE = 0
          //
          // for(i = 0 ;i < 31 ; i ++)
          // {
          // printf("rstr[%d] = %drn",i,rstr[i]);
          // }
          //
          //}





          //寫DS1302指定的1Byte
          void DS1302_WriteByte(unsigned char con,unsigned char code)
          {
          DS1302_CLRCE(); //關(guān)閉DS1302 //CE = 0
          Delay_10us(5);
          DS1302_CLRSCK(); //SCK = 0
          Delay_10us(5);

          DS1302_SETCE(); //使能DS1302 //CE = 1
          Delay_10us(5);
          DS1302_Write8bit(con); //寫控制命令 //發(fā)送地址
          DS1302_Write8bit(code); //寫入數(shù)據(jù) //發(fā)送數(shù)據(jù)
          Delay_10us(5);
          DS1302_SETSCK();
          Delay_10us(5);
          DS1302_CLRCE(); //關(guān)閉DS1302

          }


          //寫入時間
          void DS1302_WriteTime(TIME_TypeDef* time)
          {
          DS1302_WriteByte(WrControl,0x00); //關(guān)閉寫保護，可以寫入數(shù)據(jù)

          DS1302_WriteByte(WrYear,time->year);
          DS1302_WriteByte(WrMonth,time->month);
          DS1302_WriteByte(WrDate,time->date);
          DS1302_WriteByte(WrWeek,time->week);
          DS1302_WriteByte(WrHour,time->hour);
          DS1302_WriteByte(WrMin,time->min);
          DS1302_WriteByte(WrSec,time->sec);

          DS1302_WriteByte(WrControl,0x80); //開啟寫保護，禁止寫入數(shù)據(jù)

          }

          u8 DS1302_ReadRam(u8 addr)
          {
          u8 tmp,res;

          tmp = addr;
          res = DS1302_ReadByte(tmp);
          return(res);
          }

          typedef struct
          {
          unsigned char sec;
          unsigned char min;
          unsigned char hour;
          unsigned char date;
          unsigned char month;
          unsigned char week;
          unsigned char year;
          }Time;








          //連續(xù)讀取DS1302所有數(shù)據(jù)
          void DS1302_ReadBurst(unsigned char *rstr)
          {
          int i = 0;
          unsigned char code;
          DS1302_CLRCE(); //關(guān)閉DS1302 //CE = 0
          Delay_10us(5);
          DS1302_CLRSCK(); //SCLK = 0
          Delay_10us(5);
          DS1302_SETCE(); //使能DS1302 //CE = 1;
          Delay_10us(5);
          DS1302_Write8bit(RdRamBurst); //讀取代碼 //發(fā)送地址

          for(i = 0 ;i < 7 ; i++)
          {
          rstr[i] = DS1302_Read8bit();
          }

          //printf("code = %drn" ,code );
          Delay_10us(5);
          DS1302_SETSCK(); //SCLK = 1
          Delay_10us(5);
          DS1302_CLRCE(); //關(guān)閉DS1302 //CE = 0

          // for(i = 0 ;i < 7 ; i ++)
          {
          //printf("rstr[%d] = %drn",i,rstr[i]);
          }

          }
          //////////////測試而已/////////////////////////////////////////////////////
          void readTimeTest()
          {
          Time myTime;
          DS1302_ReadBurst((u8 *)&myTime);

          //printf("time:%d-%d-%d %d:%d:%drn",myTime.year, myTime.month, myTime.date,
          // myTime.hour,myTime.min,myTime.sec);

          }

          void DS1302_ReadTime(TIME_TypeDef* time)
          {
          Time myTime;
          DS1302_ReadBurst((u8 *)&myTime);

          time->year = myTime.year;
          time->month = myTime.month;
          time->date = myTime.date;

          time->hour = myTime.hour;
          time->min = myTime.min;
          time->sec = myTime.sec;

          // printf("time:%d-%d-%d %d:%d:%drn",myTime.year, myTime.month, myTime.date,
          // myTime.hour,myTime.min,myTime.sec);
          }

          ////讀出時間
          //void DS1302_ReadTime(TIME_TypeDef* time)
          //{
          // u8 i = 0;
          // u8 year_temp[3];
          // u8 month_temp[3];
          // u8 date_temp[3];
          // u8 hour_temp[3];
          // u8 min_temp[3];
          // u8 sec_temp[3];
          //
          // u8 max;
          // u8 min;
          //
          // for(i = 0 ; i < 3 ; i ++)
          // {
          // year_temp[i] = DS1302_ReadByte(RdYear);
          // month_temp[i] = DS1302_ReadByte(RdMonth);
          // date_temp[i] = DS1302_ReadByte(RdDate);
          // hour_temp[i] = DS1302_ReadByte(RdHour);
          // min_temp[i] = DS1302_ReadByte(RdMin);
          // sec_temp[i] = DS1302_ReadByte(RdSec);
          // }
          // //年
          // max = year_temp[0];
          // min = year_temp[0];
          // for(i = 1 ; i < 3 ; i ++)
          // {
          // if(year_temp[i] > max)
          // {
          // max = year_temp[i];
          // }
          // if(year_temp[i] < min)
          // {
          // min = year_temp[i];
          // }
          // }
          // time->year = year_temp[0] + year_temp[1] + year_temp[2] - max - min;
          // //月
          // max = month_temp[0];
          // min = month_temp[0];
          // for(i = 1 ; i < 3 ; i ++)
          // {
          // if(month_temp[i] > max)
          // {
          // max = month_temp[i];
          // }
          // if(month_temp[i] < min)
          // {
          // min = month_temp[i];
          // }
          // }
          // time->month = month_temp[0] + month_temp[1] + month_temp[2] - max - min;
          // //日
          // max = date_temp[0];
          // min = date_temp[0];
          // for(i = 1 ; i < 3 ; i ++)
          // {
          // if(date_temp[i] > max)
          // {
          // max = date_temp[i];
          // }
          // if(date_temp[i] < min)
          // {
          // min = date_temp[i];
          // }
          // }
          // time->date = date_temp[0] + date_temp[1] + date_temp[2] - max - min;
          // //時
          // max = hour_temp[0];
          // min = hour_temp[0];
          // for(i = 1 ; i < 3 ; i ++)
          // {
          // if(hour_temp[i] > max)
          // {
          // max = hour_temp[i];
          // }
          // if(hour_temp[i] < min)
          // {
          // min = hour_temp[i];
          // }
          // }
          // time->hour = hour_temp[0] + hour_temp[1] + hour_temp[2] - max - min;
          //
          // //分
          // max = min_temp[0];
          // min = min_temp[0];
          // for(i = 1 ; i < 3 ; i ++)
          // {
          // if(min_temp[i] > max)
          // {
          // max = min_temp[i];
          // }
          // if(min_temp[i] < min)
          // {
          // min = min_temp[i];
          // }
          // }
          // time->min = min_temp[0] + min_temp[1] + min_temp[2] - max - min;
          //
          // //秒
          // max = sec_temp[0];
          // min = sec_temp[0];
          // for(i = 1 ; i < 3 ; i ++)
          // {
          // if(sec_temp[i] > max)
          // {
          // max = sec_temp[i];
          // }
          // if(sec_temp[i] < min)
          // {
          // min = sec_temp[i];
          // }
          // }
          // time->sec = sec_temp[0] + sec_temp[1] + sec_temp[2] - max - min;
          //
          //// time->year = DS1302_ReadByte(RdYear);
          //// time->month = DS1302_ReadByte(RdMonth);
          //// time->date = DS1302_ReadByte(RdDate);
          //// time->week = DS1302_ReadByte(RdWeek);
          ////
          //// time->hour = DS1302_ReadByte(RdHour);
          //// time->min = DS1302_ReadByte(RdMin);
          //// time->sec = DS1302_ReadByte(RdSec);
          //
          //// year_temp = DS1302_ReadByte(RdYear);
          //// year_month = DS1302_ReadByte(RdMonth);
          //// year_date = DS1302_ReadByte(RdDate);
          //// year_hour = DS1302_ReadByte(RdHour);
          //// year_min = DS1302_ReadByte(RdMin);
          //// year_sec = DS1302_ReadByte(RdSec);
          //
          //// printf("year = %drn",time->year);
          //// printf("month = %drn",time->month);
          //// printf("year = %drn",time->date);
          //// printf("year = %drn",time->hour);
          //// printf("year = %drn",time->min);
          //// printf("year = %drn",time->sec);
          ////
          //// printf("year_temp = %drn",year_temp);
          //// printf("year_month = %drn",year_month);
          //// printf("year_date = %drn",year_date);
          //// printf("year_hour = %drn",year_hour);
          //// printf("year_min = %drn",year_min);
          //// printf("year_sec = %drn",year_sec);
          //
          //
          //// if( (year_temp + year_month + year_date + year_hour + year_min + year_sec)
          //// < ( time->year + time->month + ))
          //// {
          ////
          //// }
          //}


          unsigned char time[20]="看屁屁www成人影院,亚洲人妻成人图片,亚洲精品成人午夜在线,日韩在线 欧美成人

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