VC++单片机虚拟仪器测试系统 第4页

VC++单片机虚拟仪器测试系统 第4页
//线程函数的代码
static CEvent g_End;
struct data
{ CRect rect;
 COSCILLOGRAPH* dlg;
 CStatic* m_pCS;
}m_Data;
//********************************线程0
UINT ThreadProc(LPVOID param){
 if(::WaitForSingleObject(g_End,0)==WAIT_OBJECT_0)
 {  data* p=(data*)param;
 // p->dlg->InvalidateRect(p->rect,TRUE);//这里是针对对话框的的窗体进行刷新  p->m_pCS->InvalidateRect(p->rect,TRUE);//这里是针对指定控件如静态控件的刷新，相对对话框的刷新，这种刷新不会出现闪屏问题
  g_End.ResetEvent();
     return 0; }
return 0
//主函数的代码
//***********************************示波器采集数据操作
void COSCILLOGRAPH::OnBtnOsciRead()
{
//***************
 if(m_count!=0||m_setup!=0)
 { if(m_setup!=0)
  {ManulSet();
    m_setup=0;}
  else
  {  m_count=0; }}
 viSetAttribute(/*oscillograph*/theApp.m_Session,VI_ATTR_TMO_VALUE,m_time);//***************
 Capture();
//***************
 return;
}
/***********************************数据的采集
void COSCILLOGRAPH::Capture()
{// m_Static.m_XShow=m_nCtrl_Slide_X.GetPos();
// m_Y=m_nCtrl_Slide_Y.GetPos();

 ViStatus error;
// viPrintf(/*oscillograph*/m_Session,":RUN\n");
 viPrintf(/*oscillograph*/theApp.m_Session,":ACQ:COMPLETE 100\n");
 viPrintf(/*oscillograph*/theApp.m_Session,":wave:points 2000\n");
 viPrintf(/*oscillograph*/theApp.m_Session,":DIGITIZE %s\n",osciset.m_Channel);
//******************************************preamble的采集 
 viPrintf(/*oscillograph*/theApp.m_Session,":waveform:preamble?\n");    error=viScanf(/*oscillograph*/theApp.m_Session,"%f,%f,%f,%f,%f,%f,%f,%f,%f,%f\n",&preamble[0],&preamble[1],&preamble[2],&preamble[3],&preamble[4],&preamble[5],&preamble[6],&preamble[7],&preamble[8],&preamble[9]);
  if(error!=VI_SUCCESS)
  {error_handler(/*oscillograph*/theApp.m_Session,error);
  return;
  }
//***************************************数据点的采集部分－－利用字符转换符何viScanf函数来进行读取数据
//***************************************并定义一个无符号的字符数组来对读取的数据进行存储－－随后进行数据
//**************************************的转换和数据的处理---2005/5/17
 viPrintf(/*oscillograph*/theApp.m_Session,":waveform:data?\n");
// int num=::atoi((TCHAR*)(osciset.m_Ret_Count.LockBuffer()));//数据的转换
//    unsigned char* buff=new unsigned char[2000];//动态的分配内存
    unsigned char temp[2000];
    for(int i=0;i<2000;i++)
 {  error=viScanf(/*oscillograph*/theApp.m_Session,"%c",&temp[i]);
  if(error!=VI_SUCCESS)
  {
     error_handler(/*oscillograph*/theApp.m_Session,error);
     return;
  }  }
//****************************数据的转换
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 } m_Static.data_counter=n;
// m_Data.m_n=n;
// m_Static.m_XShow=m_X;
//****************************数据存储
// time=(((float)1-preamble[6])*preamble[4]+preamble[5])*1000;//时间有问题－－负值！2005/5/17
 for(int k=0;k<n;k++)
 {     m_Static.wave_data[k]=(((float)temp[k]-preamble[9])*preamble[7]+preamble[8])*5;        
 } Invalidate();
 return; }

//*************************************下面是测量的线程
struct MEASURE
{
 CComboBox* m_CB_Source;
 CComboBox* m_CB_Param;
 CDialog* m_dlg;
}m_measure;
//*************************************线程函数如下
UINT ThreadMeasure(LPVOID param)
{
 MEASURE* m_meas=(MEASURE*)param;

 int m_nSource;
 CString m_nStr_Source;

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