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標(biāo)題: RTC(rx8010sj)的讀寫相關(guān)代碼，利用NXF8563的代碼進(jìn)行修改的。 [打印本頁]

作者: liwei_ts 時間: 2018-7-9 16:12
標(biāo)題: RTC(rx8010sj)的讀寫相關(guān)代碼，利用NXF8563的代碼進(jìn)行修改的。
/*--------------------------------
  NXF8563初始化
--------------------------------*/
void NXF8563_init()
{
      sda=1;
      delayus();
      scl=1;
      delayus();
      _write_add(0x10,0x00);
      _write_add(0x11,0x32);
      _write_add(0x12,0x10);
      _write_add(0x13,0x10);    //周四
      _write_add(0x14,0x05);
      _write_add(0x15,0x07);
      _write_add(0x16,0x18);
}

/*--------------------------
      開始信號
--------------------------*/
void start()
{
      sda=1;
      delayus();
scl=1;
      delayus();
      sda=0;
      delayus();
      scl=0;
      delayus();
}

/*-----------------------
      停止
-----------------------*/
void stop()
{
      sda=0;
      delayus();
      scl=1;
      delayus();
      sda=1;
      delayus();
}

/*-----------------------
      應(yīng)答
-------------------------*/
void respons()
{
      unchar i;
      scl=1;
      delayus();
      while((sda==1)&&(i<250))i++;
      scl=0;
      delayus();
}

/*------------------------------------
         寫一個字節(jié)子函數(shù)
------------------------------------*/
void write_byte(unchar date)
{
      unchar i,temp;
      temp=date;
      for(i=0;i<8;i++)
      {
            temp=temp<<1;
            scl=0;
            delayus();
            sda=CY;
            delayus();
            scl=1;
            delayus();
      }

      scl=0;
      delayus();
      sda=1;
      delayus();
}

/*------------------------------------
      讀一個字節(jié)函數(shù)
------------------------------------*/
unchar read_byte()
{
      unchar i,k;
      scl=0;
      delayus();
      sda=1;
      delayus();
      for(i=0;i<8;i++)
      {
            scl=1;
            delayus();
            k=(k<<1)|sda;
            scl=0;
            delayus();
      }
      return k;
}

/*--------------------------------------------------
      往一個單元里寫內(nèi)容函數(shù)
---------------------------------------------------*/
void _write_add(unchar address,unchar date)
{
      start();
      write_byte(0x64);
      respons();
      write_byte(address);
      respons();
      write_byte(date);
      respons();
      stop();
}

/*----------------------------------------------
            讀一個單元的內(nèi)容
---------------------------------------------*/
unchar read_add(unchar address)
{
      unchar date;
      start();
      write_byte(0x64);
      respons();
      write_byte(address);
      respons();
      start();
      write_byte(0x65);
      respons();
      date=read_byte();
      stop();
      return date;
}

/*------------------------------------------------
         向nxf8563寫入時鐘數(shù)據(jù)
------------------------------------------------*/
void Write8563(void)
{

      unchar i,tmp;
      for(i=0;i<8;i++)
         {                //BCD處理
            tmp=time_buf1[i]/10;
            time_buf[i]=time_buf1[i]%10;
            time_buf[i]=time_buf[i]+tmp*16;
         }
//       write_add(0x00,0x00);                         //關(guān)閉寫保護(hù)
//       write_add(0x01,0x00);                               //暫停
      _write_add(0x10,time_buf[7]);             //秒
      _write_add(0x11,time_buf[6]);             //分
      _write_add(0x12,time_buf[5]);             //時
      _write_add(0x13,time_buf[4]);             //周
      _write_add(0x14,time_buf[3]);             //日
      _write_add(0x15,time_buf[2]);             //月
      _write_add(0x16,time_buf[1]);             //年
//       write_add(0x00,0x00);                      //打開寫保護(hù)
}

/*-----------------------------------------
讀出時鐘數(shù)據(jù)
----------------------------------------*/
void read8563()
{
      time_buf[7]=read_add(0x16);             //秒
      time_buf[6]=read_add(0x15);             //分
      time_buf[5]=read_add(0x14);             //時
      time_buf[4]=read_add(0x13);             //周
      time_buf[3]=read_add(0x12);             //日
      time_buf[2]=read_add(0x11);             //月
      time_buf[1]=read_add(0x10);             //年

      //time_buf1[7]=time_buf[1]%16+(time_buf[1]/16)*10;
      //time_buf1[6]=(time_buf[2]&0x1f)%16+((time_buf[2]&0x1f)/16)*10;
      //time_buf1[5]=(time_buf[3]&0x3f)%16+((time_buf[3]&0x3f)/16)*10;
      //time_buf1[3]=(time_buf[4]&0x3f)%16+((time_buf[4]&0x3f)/16)*10;
      //time_buf1[2]=(time_buf[5]&0x7f)%16+((time_buf[5]&0x7f)/16)*10;
      //time_buf1[1]=(time_buf[6]&0x7f)%16+((time_buf[6]&0x7f)/16)*10;
      //time_buf1[7]=(time_buf[7]&0x07)%16+((time_buf[7]&0x07)/16)*10;

}

作者: liwei_ts 時間: 2018-7-9 16:14
本代碼剛測試通過

作者: YYZZ052 時間: 2020-6-13 14:23
你這不能用啊，，能把全部的上傳看下嗎，我測試了，顯示55

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