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EmbeddedPkg: Introduced a separate SerialPortExtLib library

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Formerly only the header was defined and it was expecting the SerialPortExtLib
interface to be implemented by SerialPortLib if supported. This behaviour was
not conform to the EDK2 framework.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14173 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2013-03-12 00:40:11 +00:00
parent c9bf2a9e2d
commit d38c35f9f7
14 changed files with 273 additions and 200 deletions
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60
EmbeddedPkg/Library/TemplateSerialPortLib/TemplateSerialPortLib.c
View File

@@ -18,7 +18,6 @@
#include <Library/SerialPortLib.h>
#include <Library/SerialPortExtLib.h>
/**
@@ -36,65 +35,6 @@ SerialPortInitialize (
return RETURN_UNSUPPORTED;
}
/**
Set the serial device control bits.
@return Always return EFI_UNSUPPORTED.
**/
RETURN_STATUS
EFIAPI
SerialPortSetControl (
IN UINT32 Control
)
{
return RETURN_UNSUPPORTED;
}
/**
Get the serial device control bits.
@param Control Control signals read from the serial device.
@retval EFI_SUCCESS The control bits were read from the serial device.
@retval EFI_DEVICE_ERROR The serial device is not functioning correctly.
**/
RETURN_STATUS
EFIAPI
SerialPortGetControl (
OUT UINT32 *Control
)
{
if (SerialPortPoll ()) {
// If a character is pending don't set EFI_SERIAL_INPUT_BUFFER_EMPTY
*Control = EFI_SERIAL_OUTPUT_BUFFER_EMPTY;
} else {
*Control = EFI_SERIAL_INPUT_BUFFER_EMPTY | EFI_SERIAL_OUTPUT_BUFFER_EMPTY;
}
return EFI_SUCCESS;
}
/**
Set the serial device attributes.
@return Always return EFI_UNSUPPORTED.
**/
RETURN_STATUS
EFIAPI
SerialPortSetAttributes (
IN OUT UINT64 *BaudRate,
IN OUT UINT32 *ReceiveFifoDepth,
IN OUT UINT32 *Timeout,
IN OUT EFI_PARITY_TYPE *Parity,
IN OUT UINT8 *DataBits,
IN OUT EFI_STOP_BITS_TYPE *StopBits
)
{
return RETURN_UNSUPPORTED;
}
/**
Write data to serial device.