串口类CSerial

【文件属性】：

文件名称：串口类CSerial

文件大小：10KB

文件格式：RAR

更新时间：2022-04-22 05:28:16

串口 c++

CSerial::EPort CSerial::CheckPort (LPCTSTR lpszDevice) { // Try to open the device HANDLE hFile = ::CreateFile(lpszDevice, GENERIC_READ|GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0); // Check if we could open the device if (hFile == INVALID_HANDLE_VALUE) { // Display error switch (::GetLastError()) { case ERROR_FILE_NOT_FOUND: // The specified COM-port does not exist return EPortNotAvailable; case ERROR_ACCESS_DENIED: // The specified COM-port is in use return EPortInUse; default: // Something else is wrong return EPortUnknownError; } } // Close handle ::CloseHandle(hFile); // Port is available return EPortAvailable; }

【文件预览】：
Serial.h
Serial.cpp