//74hc165的驅(qū)動(dòng)程序

//74hc165是常用的并入串出芯片，這里給出74hc165的驅(qū)動(dòng)程序

//作者：曬太陽的小豬
//個(gè)人blog:http://emcu.c51bbs.com
//轉(zhuǎn)載使用請注明

//--------------3片74hc165級連讀程序---------
/*void read74hc165m(void)
{
    uchar basic,basic1,basic2,basic3,c;
    PL=1;
    nop();
    PL=0;
    nop();
    PL=1;
    basic=0;
    basic=basic<<1;
    if(SETBSC) basic|=0x01;
    for(c=0;c<7;c++)
     {
      CLOCK=0;
      nop();
      CLOCK=1; 
      basic=basic<<1;
      if(SETBSC) basic|=0x01;
     }
    basic1=basic;
        
    basic=0;
    for(c=0;c<8;c++)
     {
      CLOCK=0;
      nop();
      CLOCK=1; 
      basic=basic<<1;
      if(SETBSC) basic|=0x01;
     }
    basic2=basic;

    basic=0;
    for(c=0;c<8;c++)
     {
      CLOCK=0;
      nop();
      CLOCK=1; 
      basic=basic<<1;
      if(SETBSC) basic|=0x01;
     }
   basic3=basic;
   
  }