串口文件发送

//分割数据并发送 void CFileTransCommDlg::SplitSendData(CByteArray& cBtAryTotal) { int nGroup = 0; CByteArray* pBtAry = CByteArrayDataCut(&cBtAryTotal;,30000,nGroup); int nSize = 0; m_ctrlProgrsSendFile.SetRange(1,nGroup+1); m_ctrlProgrsSendFile.SetPos(0); m_ctrlProgrsSendFile.SetStep(1); for (int i=0;i<nGroup;i++) { int nSize = pBtAry[i].GetSize(); m_ctrlMSComm1.SetOutput((COleVariant)pBtAry[i]); m_ctrlProgrsSendFile.StepIt(); Sleep(100); TRACE("打包发送%d字节,第%d次切割\r\n",nSize,i+1); } CMyTimeDelay tm; tm.Delay(2000); m_ctrlProgrsSendFile.SetPos(0); }