EmbeddedPkg: Introduced NULL library for SerialPortExtLib

[mirror_edk2.git] / EmbeddedPkg / Library / SerialPortExtLibNull / SerialPortExtLibNull.c

/** @file\r
\r
  Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>\r
\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include <Library/SerialPortExtLib.h>\r
\r
RETURN_STATUS\r
EFIAPI\r
SerialPortSetAttributes (\r
  IN OUT UINT64              *BaudRate,\r
  IN OUT UINT32              *ReceiveFifoDepth,\r
  IN OUT UINT32              *Timeout,\r
  IN OUT EFI_PARITY_TYPE     *Parity,\r
  IN OUT UINT8               *DataBits,\r
  IN OUT EFI_STOP_BITS_TYPE  *StopBits\r
  )\r
{\r
  return RETURN_SUCCESS;\r
}\r
\r
RETURN_STATUS\r
EFIAPI\r
SerialPortSetControl (\r
  IN UINT32                  Control\r
  )\r
{\r
  return RETURN_SUCCESS;\r
}\r
\r
RETURN_STATUS\r
EFIAPI\r
SerialPortGetControl (\r
  OUT UINT32                  *Control\r
  )\r
{\r
  *Control = 0;\r
  return RETURN_SUCCESS;\r
}\r