ads8329驱动问题

问题 解决了  谢谢大家  寄存器 配制错了 导致芯片 休眠了    我用的控制方式是 AUTO TRIGGER / READ While Converting    下边 是最新程序  仅供  后来者参考  不喜勿喷

#ifndef _AD9850_H
#define _AD9850_H

#include "msp430f2617.h"

#define CLK_1  P2OUT |= BIT0
#define CLK_0  P2OUT &= ~BIT0

#define SDI_1  P2OUT |= BIT2
#define SDI_0  P2OUT &= ~BIT2

#define CS_1  P2OUT |= BIT3
#define CS_0  P2OUT &= ~BIT3

//#define INT_1  P2OUT |= BIT4
//#define INT_0  P2OUT &= ~BIT4

#define CONVST_1  P2OUT |= BIT5
#define CONVST_0  P2OUT &= ~BIT5

#define SDO  (P2IN & BIT1)
#define INT  (P2IN & BIT4)

void InitADS8329()
{
     CLK_0;
     CONVST_1;
     CS_1;
}

void WriteADS8329(unsigned int commd)     //配置寄存器
{
    unsigned char i;
   
    CS_0;
    for(i = 0; i < 16; i++)
    {
        CLK_1;
        if(commd & 0x8000)
        {
           SDI_1;
        }
        else
        {
           SDI_0;
        }
        CLK_0;
        commd = commd << 1;
    }
    CS_1;
}

unsigned int ReadADS8329Reg()  //  读寄存器的值
{
    unsigned char i;
    unsigned int RegData = 0, commd = 0xd000;
   
    CS_0;
    for(i = 0; i < 20; i++)
    {
      
       CLK_1;
       if(i >= 4)
       {
          RegData = RegData << 1;
          if(SDO)
          {
              RegData |= 0x0001;
          }
          else
          {
             RegData &= ~0x0001;
          }
       }
       if(i < 16)
       {
          if(commd & 0x8000)
          {
              SDI_1;
          }
          else
          {
              SDI_0;
          }
          commd = commd << 1;
       }
       CLK_0;
    }
    CS_1;
   
    return RegData;
}

unsigned int ReadADS8329()      //读AD的数据
{
    unsigned char i;
    unsigned int ReadData = 0, commd = 0xd8e3;
   
    CLK_1;
    for(i = 0; i < 48; i++)
    {
        if(i < 24)
        {
           CLK_0;
           CLK_1;
        }
        else if(i < 40)
        {
           ReadData = ReadData << 1;
           CS_0;
           if(i < 40)
           {
              if(commd & 0x8000)
              {
                 SDI_1;
              }
              else
              {
                 SDI_0;
              }
              commd = commd << 1;
           }
           if(SDO)
           {
              ReadData |= 0x0001;
           }
           else
           {
              ReadData &= ~0x0001;
           }
           CLK_0;
           CLK_1;
        }
        else
        {
           CLK_0;
           CLK_1;
           CS_1;
        }
    }
   
    return ReadData;
}

#include "msp430f2617.h"
#include "ads8329.h"

unsigned int Data1, Data2, Data3, Data4;

void  Init_CLK(void)
{
  // ------------------  MSP430x1xx使用 ------------------------ //
    unsigned int i;
   
//    BCSCTL1 = 0X00;  //将寄存器的内容清零//XT2震荡器开启
//       //LFTX1工作在低频模式//ACLK的分频因子为1
//    do
//    {
// IFG1 &= ~OFIFG; // 清除OSCFault标志
// for (i = 0x20; i > 0; i--);               
//    }
//    while ((IFG1 & OFIFG) == OFIFG); // 如果OSCFault =1  
// 
// 
//     
//    BCSCTL2 = 0X00;   //将寄存器的内容清零
//    BCSCTL2 += SELM1;  //MCLK的时钟源为TX2CLK，分频因子为1
//    BCSCTL2 += SELS;  //SMCLK的时钟源为TX2CLK，分频因子为1

// ------------------  MSP430x2xx使用 ------------------------ //
    BCSCTL1 &= ~XT2OFF;                       // Activate XT2 high freq xtal
    BCSCTL3 |= XT2S_2;                        // 3 ?16MHz crystal or resonator
    //BCSCTL3 |= LFXT1S_2;                      // set LFXT1 to VLOCLK 无外部低频晶体时必须开启此行
    do
    {
      IFG1 &= ~OFIFG;                         // Clear OSCFault flag
      for (i = 0xFF; i > 0; i--);             // Time for flag to set
    }
    while (IFG1 & OFIFG);                     // OSCFault flag still set?
 
    BCSCTL2 |= SELM_2;                        // MCLK = XT2 HF XTAL (safe)
}

void InitPort()
{
    P2DIR |= BIT0 + BIT2 + BIT3 + BIT5;
    P2DIR &= ~BIT1;
}

int main( void )
{
  // Stop watchdog timer to prevent time out reset
  WDTCTL = WDTPW + WDTHOLD;
 
  Init_CLK();
  InitPort();
  InitADS8329();
  WriteADS8329(0Xe8ed);      // 复位
  WriteADS8329(0Xe8ef);      //寄存器配制
  WriteADS8329(0Xd8ef);      //读配置
  //Data1 = ReadADS8329Reg();  //读取寄存器  用于测试寄存器配置是否正确
  while(1)
  {
     Data1 = ReadADS8329();  //连续读四次   其中第一次的数据 应舍去
     Data2 = ReadADS8329(); 
     Data3 = ReadADS8329(); 
     Data4 = ReadADS8329(); 
  }
}