我创建了一个线程,在线程中启动了串口,但是无法触发OnCommMscomm1事件,将启动串口的函数移出
线程,OnCommMscomm1能够触发,请问是怎么回事?
MFC 窗口程序中线程与串口问题
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- jqz_software 2018-11-19 10:26关注
void CMCF_TestDlg::OnBnClickedButton5()
{
test_log.ResetContent();//清理listbox内数据
//PurgeComm(g_hComm,PURGE_TXABORT | PURGE_TXCLEAR | PURGE_RXABORT | PURGE_RXCLEAR);test_log.AddString(_T("检测接口连接!")); pStartTestEngineThread = AfxBeginThread(StartTestEngineThread,(LPVOID)this);//启动线程 //pStartTestEngineThread->m_bAutoDelete = FALSE; //WaitForSingleObject( pStartTestEngineThread->m_hThread, INFINITE );//结束线程 //OnBnClickedButton7();
}
UINT CMCF_TestDlg::StartTestEngineThread(void param)
{
CMCF_TestDlg *pDlg = (CMCF_TestDlg)param;dbg_devHandle = openTestEngine(USBDBG, "1", 0, 5000, 0); if(dbg_devHandle == 0) { //Cache_con = USB_CON_ERROR; pDlg->test_log.AddString(_T("USB口连接失败!")); TRB_devHandle = openTestEngine(TRB, "1", 0, 5000, 0); if(TRB_devHandle == 0) { //Cache_con = TRB_CON_ERROR; pDlg->test_log.AddString(_T("TRB口连接失败!")); } else { //Cache_con = TRB_CON_SUCCEED; pDlg->test_log.AddString(_T("TRB口连接成功!")); devHandle = TRB_devHandle; } } else { //Cache_con = USB_CON_SUCCEED; pDlg->test_log.AddString(_T("USB口连接成功!")); devHandle = dbg_devHandle; } if(devHandle != 0) { success = teConfigCacheInit(devHandle, CFG_DB_PARAM); if (success == TE_OK) { success = teConfigCacheRead(devHandle, NULL, unused); if(success != TE_OK) { //Cache_con = RED_FACILITY_DATA_ERROR; pDlg->test_log.AddString(_T("读取设备信息失败!")); //WaitForSingleObject( pStartTestEngineThread->m_hThread, INFINITE );//结束线程 return 0; } else { //Cache_con = RED_FACILITY_DATA_SUCCEED; pDlg->test_log.AddString(_T("读取设备信息成功!")); pDlg->RadDeviceName(devHandle,success,unused); pDlg->RedBluetoothAddress(devHandle,success,unused); pDlg->RadXtalTrimValue(devHandle,success,unused); pDlg->RadXtalTrimValue2(devHandle,success,unused); pDlg->OnBnClickedButton7(); } WaitForSingleObject( pDlg->pStartTestEngineThread->m_hThread, INFINITE );//结束线程 } else { //Cache_con = INIT_CACHE_ERROR; pDlg->test_log.AddString(_T("初始化缓存失败")); //WaitForSingleObject( pStartTestEngineThread->m_hThread, INFINITE );//结束线程 closeTestEngine(devHandle); return 0; } } return 0;
}
这是相关代码,其中OnBnClickedButton7是启动串口的函数
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