diff options
| author | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-07-15 11:12:43 +0000 |
|---|---|---|
| committer | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-07-15 11:12:43 +0000 |
| commit | eceb3a4cb9b97d331ba91ea0a930465c05e8e20b (patch) | |
| tree | 2f30cbf356491a3bea738c3facb2c37d056ffd66 /MdePkg/Library/SerialPortLibNull/SerialPortLibNull.c | |
| parent | 329d3f3d01b5470a2311ada36e36664519eb3447 (diff) | |
| download | edk2-platforms-eceb3a4cb9b97d331ba91ea0a930465c05e8e20b.tar.xz | |
Code scrub for the Debug library, PostCode library, Print library, and ExtractGuidedSection library.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5478 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/SerialPortLibNull/SerialPortLibNull.c')
| -rw-r--r-- | MdePkg/Library/SerialPortLibNull/SerialPortLibNull.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/MdePkg/Library/SerialPortLibNull/SerialPortLibNull.c b/MdePkg/Library/SerialPortLibNull/SerialPortLibNull.c index 78223fcbe0..1fdc6586a5 100644 --- a/MdePkg/Library/SerialPortLibNull/SerialPortLibNull.c +++ b/MdePkg/Library/SerialPortLibNull/SerialPortLibNull.c @@ -1,7 +1,7 @@ /** @file
- Serial I/O Port library functions with no library constructor/destructor
+ Null Serial Port library instance with empty functions.
- Copyright (c) 2006, Intel Corporation
+ Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -18,11 +18,10 @@ #include <Library/SerialPortLib.h>
-/*
-
+/**
Programmed hardware of Serial port.
- @return Always return EFI_UNSUPPORTED.
+ @return Always return RETURN_UNSUPPORTED.
**/
RETURN_STATUS
@@ -40,8 +39,7 @@ SerialPortInitialize ( @param Buffer Point of data buffer which need to be writed.
@param NumberOfBytes Number of output bytes which are cached in Buffer.
- @retval 0 Write data failed.
- @retval !0 Actual number of bytes writed to serial device.
+ @retval 0 No data is to be written.
**/
UINTN
@@ -58,11 +56,11 @@ SerialPortWrite ( /**
Read data from serial device and save the datas in buffer.
- @param Buffer Point of data buffer which need to be writed.
- @param NumberOfBytes Number of output bytes which are cached in Buffer.
+ @param Buffer Point of data buffer, which contains the data
+ returned from the serial device.
+ @param NumberOfBytes Number of bytes which will be read.
- @retval 0 Read data failed.
- @retval !0 Aactual number of bytes read from serial device.
+ @retval 0 No data is to be read.
**/
UINTN
|