1、读写前，先清空缓存；

TestWizard/TestWizard/SynSerial.cpp

@@ -301,6 +301,8 @@ DWORD CSynSerial::WriteComm(IN BYTE * pWirteBuf, IN CONST INT32 nWriteSize)
 	ClearCommError(m_hSerialPort, &dwErrorFlags, &ComStat);	
 	// Đ´Ç°,ÇĺżŐťş´ćÇř;
 	PurgeComm(m_hSerialPort, PURGE_TXABORT | PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR);
+
+	memset(pWirteBuf, 0, nWriteSize);
 	if ( !WriteFile(m_hSerialPort, pWirteBuf, nWriteSize, &dwBytesWritten, &m_wrOverlapped) )
 	{
 		DWORD dwError = GetLastError();
@@ -354,6 +356,7 @@ DWORD CSynSerial::ReadComm(IN BYTE *pReadBuf, IN CONST DWORD& dwReadSize, WORD t
 		PurgeComm(m_hSerialPort, PURGE_TXABORT|PURGE_TXCLEAR);
 	}
 
+	memset(pReadBuf, 0, dwReadSize);
 	if ( !ReadFile(m_hSerialPort, pReadBuf, dwReadSize, &dwRealRead, &m_wrOverlapped) ) {
 		if ( GetLastError() == ERROR_IO_PENDING ) {
 			while(!GetOverlappedResult(m_hSerialPort, &m_wrOverlapped, &dwRealRead, FALSE)){
@@ -367,7 +370,7 @@ DWORD CSynSerial::ReadComm(IN BYTE *pReadBuf, IN CONST DWORD& dwReadSize, WORD t
 	}
 
 #ifdef __CONSOLE__
-	printf("ReadFile Len=%d, Buffer=%s\n", dwRealRead, pReadBuf);
+	printf("Error=%ld, ReadFile Len=%d, Buffer=%s\n", dwError, dwRealRead, pReadBuf);
 #endif
 
 	return dwRealRead;

TestWizard/TestWizard/TestWizard.cpp

@@ -55,6 +55,8 @@ int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
 		{
 			if ( OpenXML("D:\\SAT\\resource\\RCU\\TW\\G_AP_0F_IR.xml") == 0 )
 			{
+				SendCmd("*about");
+				Sleep(1000);
 				SendKey("POWER");
 			}
 
@@ -411,12 +413,19 @@ TESTWIZARD_API bool SendCmd(LPCTSTR strCommand)
 	// ·â×°·¢ËÍ°ü;
 	byte szSendData[MAX_PATH] = {0};
 	_stprintf_s((TCHAR*)szSendData, MAX_PATH, _T("%s\r"), strCommand);
-
+#ifdef __CONSOLE__
+	DWORD dwTickCout = GetTickCount();
+#endif
 	DWORD dwNumberOfBytesWritten = g_synSerial.WriteComm(szSendData, _tcslen((TCHAR*)szSendData));
 	if ( dwNumberOfBytesWritten != _tcslen((TCHAR*)szSendData) )
 		return false;
 
+	memset(szSendData, 0, MAX_PATH);
 	DWORD dwNumberOfBytesRead = g_synSerial.ReadComm(szSendData, MAX_PATH);
+#ifdef __CONSOLE__
+	dwTickCout = GetTickCount() - dwTickCout;
+	printf("Time consuming=%ld\n\n", dwTickCout);
+#endif
 	return true;
 }
 
@@ -432,12 +441,19 @@ TESTWIZARD_API bool SendKey(LPCTSTR lpKeyName)
 	// ·â×°·¢ËÍ°ü;
 	byte szSendData[MAX_PATH] = {0};
 	_stprintf_s((TCHAR*)szSendData, MAX_PATH, _T("*INPUT %s %s\r"), pkeyItem->keyType.c_str(), pkeyItem->keyCode.c_str());
-
+#ifdef __CONSOLE__
+	DWORD dwTickCout = GetTickCount();
+#endif
 	DWORD dwNumberOfBytesWritten = g_synSerial.WriteComm(szSendData, _tcslen((TCHAR*)szSendData));
 	if ( dwNumberOfBytesWritten != _tcslen((TCHAR*)szSendData) )
 		return false;
 
+	memset(szSendData, 0, MAX_PATH);
 	DWORD dwNumberOfBytesRead = g_synSerial.ReadComm(szSendData, MAX_PATH);
+#ifdef __CONSOLE__
+	dwTickCout = GetTickCount() - dwTickCout;
+	printf("Time consuming=%ld\n\n", dwTickCout);
+#endif
 	return dwNumberOfBytesRead ? true : false;
 }
 
@@ -517,6 +533,7 @@ TESTWIZARD_API bool SendSwitch(int nIndex /*=0*/)
 	if ( dwNumberOfBytesWritten != _tcslen((TCHAR*)szSendData) )
 		return false;
 
+	memset(szSendData, 0, MAX_PATH);
 	DWORD dwNumberOfBytesRead = g_usbSwitch.ReadComm(szSendData, MAX_PATH);
 	return dwNumberOfBytesRead ? true : false;
 }