Method Open

src/libcec/platform/windows/serialport.cpp:109–166

}

bool CSerialSocket::Open(uint64_t iTimeoutMs /* = 0 */)
{
  iTimeoutMs = 0;
  if (IsOpen())
    return false;

  std::string strComPath = "\\\\.\\" + m_strName;
  CLockObject lock(m_mutex);
  m_socket = CreateFile(strComPath.c_str(), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
  if (m_socket == INVALID_HANDLE_VALUE)
  {
    m_strError = "Unable to open COM port";
    FormatWindowsError(GetLastError(), m_strError);
    return false;
  }

  COMMCONFIG commConfig = {0};
  DWORD dwSize = sizeof(commConfig);
  commConfig.dwSize = dwSize;
  if (GetDefaultCommConfig(strComPath.c_str(), &commConfig,&dwSize))
  {
    if (!SetCommConfig(m_socket, &commConfig,dwSize))
    {
      m_strError = "unable to set default config";
      FormatWindowsError(GetLastError(), m_strError);
    }
  }
  else
  {
    m_strError = "unable to get default config";
    FormatWindowsError(GetLastError(), m_strError);
  }

  if (!SetupComm(m_socket, 64, 64))
  {
    m_strError = "unable to set up the com port";
    FormatWindowsError(GetLastError(), m_strError);
  }

  if (!SetBaudRate(m_iBaudrate))
  {
    m_strError = "unable to set baud rate";
    FormatWindowsError(GetLastError(), m_strError);
    Close();
    return false;
  }

  if (!SetTimeouts(m_socket, &m_iError, false))
  {
    m_strError = "unable to set timeouts";
    FormatWindowsError(GetLastError(), m_strError);
    Close();
    return false;
  }

  m_bIsOpen = true;
  return m_bIsOpen;
}