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开发学院软件开发VC 多线程,多接收模式串口类LsComm 阅读

多线程,多接收模式串口类LsComm

 2010-06-23 20:40:59 来源:WEB开发网   
核心提示:写串口数据的过程同上注意:第3,4种模式为自动接收模式,在用以前你必须先定义回调函数,然后,设置类的接收函数/* 回调函数定义 */void OnReceiveData(LPVOID pSender,void* pBuf,DWORD InBufferCount){CString c;byte a[100];char b

写串口数据的过程同上

注意:第3,4种模式为自动接收模式,在用以前你必须先定义回调函数,然后,设置类的接收函数

/* 回调函数定义 */
void OnReceiveData(LPVOID pSender,void* pBuf,DWORD InBufferCount)
{
  CString c;
  byte a[100];
  char b[4]="";
  memcpy(a,pBuf,InBufferCount);
  CLsCommDemoDlg* pDlg = (CLsCommDemoDlg*) pSender;
  CListBox*pList =(CListBox*)pDlg->GetDlgItem(IDC_LIST1);
  for(int i=0;i<(int)InBufferCount;i++)
  {
   ::sprintf(b,"%2.2X",a[i]);
    c+=" ";
    c+=b;
  }
  c="接收(Receive):"+c;
  pList->AddString(c);
}

3.AutoReceiveBySignal 自动信号接收模式

#include "ComPort.h"
LsComm::CComPort m_ComPort;//LsComm is namespace in c++
m_ComPort.Open(2,LsComm::CComPort::AutoReceiveBySignal );
m_ComPort.SetReceiveFunc((FOnReceiveData)OnReceiveData,this);
m_ComPort.SetBreakHandleFunc(OnComBreak);
//ReCeive Com Data:接收数据函数
in OnReceiveData(LPVOID pSender,void* pBuf,DWORD InBufferCount) //above
//write data
the same as the first mode;

4.AutoReceiveByBreak 中断接收模式

#include "ComPort.h"
LsComm::CComPort m_ComPort;//LsComm is namespace in c++
m_ComPort.Open(2,LsComm::CComPort::AutoReceiveByBreak );
m_ComPort.SetReceiveFunc((FOnReceiveData)OnReceiveData,this);
//ReCeive Com Data:接收数据函数
in OnReceiveData(LPVOID pSender,void* pBuf,DWORD InBufferCount) //above
//write data
the same as the first mode;

另外说明2点:

(1)如果你需要处理中断事件,你可以在每种模式中设置中断接收事件:如下

//定义中断事件接收函数 
void OnComBreak(LPVOID pSender,DWORD dwMask,COMSTAT stat)
{
   //deal with the break of com here
}
m_ComPort.SetBreakHandleFunc(OnComBreak); //设置中断事件

(2)如何处理如,改变波特率,以及其它参数呢?

m_ComPort.GetSerialPort()可以获得一个CSerialPort类的指针,如何就可以操作各种com属性了.

DCB dcb;
this->m_ComPort.GetSerialPort()->GetState(dcb);

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Tags:线程 接收 模式

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