Check the device path node whether it's the Flow Control node or not.\r
\r
@param[in] FlowControl The device path node to be checked.\r
- \r
+\r
@retval TRUE It's the Flow Control node.\r
@retval FALSE It's not.\r
\r
Check the device path node whether it contains Flow Control node or not.\r
\r
@param[in] DevicePath The device path to be checked.\r
- \r
+\r
@retval TRUE It contains the Flow Control node.\r
@retval FALSE It doesn't.\r
\r
/**\r
The user Entry Point for module IsaSerial. The user code starts with this function.\r
\r
- @param[in] ImageHandle The firmware allocated handle for the EFI image. \r
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
@param[in] SystemTable A pointer to the EFI System Table.\r
- \r
+\r
@retval EFI_SUCCESS The entry point is executed successfully.\r
@retval other Some error occurs when executing this entry point.\r
\r
//\r
if (RemainingDevicePath != NULL) {\r
//\r
- // Check if RemainingDevicePath is the End of Device Path Node, \r
+ // Check if RemainingDevicePath is the End of Device Path Node,\r
// if yes, go on checking other conditions\r
//\r
if (!IsDevicePathEnd (RemainingDevicePath)) {\r
) {\r
goto Error;\r
}\r
- \r
+\r
if (UartNode->BaudRate > SERIAL_PORT_MAX_BAUD_RATE) {\r
goto Error;\r
}\r
- \r
+\r
if (UartNode->Parity < NoParity || UartNode->Parity > SpaceParity) {\r
goto Error;\r
}\r
- \r
+\r
if (UartNode->DataBits < 5 || UartNode->DataBits > 8) {\r
goto Error;\r
}\r
- \r
+\r
if (UartNode->StopBits < OneStopBit || UartNode->StopBits > TwoStopBits) {\r
goto Error;\r
}\r
- \r
+\r
if ((UartNode->DataBits == 5) && (UartNode->StopBits == TwoStopBits)) {\r
goto Error;\r
}\r
- \r
+\r
if ((UartNode->DataBits >= 6) && (UartNode->DataBits <= 8) && (UartNode->StopBits == OneFiveStopBits)) {\r
goto Error;\r
}\r
// Clear the bits that are not allowed to pass to SetControl\r
//\r
Control &= (EFI_SERIAL_REQUEST_TO_SEND | EFI_SERIAL_DATA_TERMINAL_READY |\r
- EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE | EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE | \r
+ EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE | EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE |\r
EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE);\r
Status = SerialIo->SetControl (SerialIo, Control);\r
}\r
//\r
// If RemainingDevicePath is the End of Device Path Node,\r
// skip enumerate any device and return EFI_SUCESSS\r
- // \r
+ //\r
return EFI_SUCCESS;\r
}\r
}\r
FlowControlMap = 0;\r
\r
//\r
- // Check if RemainingDevicePath is NULL, \r
+ // Check if RemainingDevicePath is NULL,\r
// if yes, use the values from the gSerialDevTempate as no remaining device path was\r
// passed in.\r
//\r
if (RemainingDevicePath != NULL) {\r
//\r
- // If RemainingDevicePath isn't NULL, \r
+ // If RemainingDevicePath isn't NULL,\r
// match the configuration of the RemainingDevicePath. IsHandleSupported()\r
// already checked to make sure the RemainingDevicePath contains settings\r
// that we can support.\r
SerialDevice->BaseAddress = (UINT16) SerialDevice->IsaIo->ResourceList->ResourceItem[Index].StartRange;\r
}\r
}\r
- \r
+\r
SerialDevice->HardwareFlowControl = (BOOLEAN) (FlowControlMap == UART_FLOW_CONTROL_HARDWARE);\r
\r
//\r
\r
//\r
// Build the device path by appending the UART node to the ParentDevicePath.\r
- // The Uart setings are zero here, since SetAttribute() will update them to match \r
+ // The Uart setings are zero here, since SetAttribute() will update them to match\r
// the default setings.\r
//\r
SerialDevice->DevicePath = AppendDevicePathNode (\r
\r
/**\r
Detect whether specific FIFO is empty or not.\r
- \r
+\r
@param Fifo A pointer to the Data Structure SERIAL_DEV_FIFO\r
\r
@return whether specific FIFO is empty or not\r
Data = READ_RBR (SerialDevice->IsaIo, SerialDevice->BaseAddress);\r
\r
IsaSerialFifoAdd (&SerialDevice->Receive, Data);\r
- \r
+\r
//\r
// For full handshake flow control, if receive buffer full\r
// tell the peer to stop sending data.\r
// first determine the parameter is invalid\r
//\r
if ((Control & (~(EFI_SERIAL_REQUEST_TO_SEND | EFI_SERIAL_DATA_TERMINAL_READY |\r
- EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE | EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE | \r
+ EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE | EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE |\r
EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE))) != 0) {\r
return EFI_UNSUPPORTED;\r
}\r
//\r
// Compute the number of bits in a single character. This is a start bit,\r
// followed by the number of data bits, followed by the number of stop bits.\r
- // The number of stop bits is specified by an enumeration that includes \r
+ // The number of stop bits is specified by an enumeration that includes\r
// support for 1.5 stop bits. Treat 1.5 stop bits as 2 stop bits.\r
//\r
- BitsPerCharacter = \r
- 1 + \r
- This->Mode->DataBits + \r
+ BitsPerCharacter =\r
+ 1 +\r
+ This->Mode->DataBits +\r
((This->Mode->StopBits == TwoStopBits) ? 2 : This->Mode->StopBits);\r
\r
//\r
- // Compute the timeout in microseconds to wait for a single byte to be \r
- // transmitted. The Mode structure contans a Timeout field that is the \r
- // maximum time to transmit or receive a character. However, many UARTs \r
+ // Compute the timeout in microseconds to wait for a single byte to be\r
+ // transmitted. The Mode structure contans a Timeout field that is the\r
+ // maximum time to transmit or receive a character. However, many UARTs\r
// have a FIFO for transmits, so the time required to add one new character\r
- // to the transmit FIFO may be the time required to flush a full FIFO. If \r
+ // to the transmit FIFO may be the time required to flush a full FIFO. If\r
// the Timeout in the Mode structure is smaller than the time required to\r
// flush a full FIFO at the current baud rate, then use a timeout value that\r
// is required to flush a full transmit FIFO.\r
NULL\r
)\r
);\r
- \r
+\r
for (Index = 0; Index < *BufferSize; Index++) {\r
IsaSerialFifoAdd (&SerialDevice->Transmit, CharBuffer[Index]);\r
\r
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