opr8402.c

医疗电子,血氧浓度测量模块原程序,采用430 单片机.

#include "global.h"
uint data_8402[]=
                {0X105,0X090,0X105,0X0a0};
//uint data_8402[]=
            //    {0X120,0X050,0X120,0X050};
void opr8402(uint x)
{
uint i,j;
P3OUT&=~BIT1;         //选中8402
j=x;                  //取写入数
j=j<<5;
for(i=0;i<10;i++)
  {
  j=j<<1;
  if ((j&0x8000)==0x8000)
  P3OUT|=BIT0;
  else
  P3OUT&=~BIT0;
  P2OUT|=BIT7;
  P2OUT&=~BIT7;
  }
P3OUT|=BIT1;
}