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|
/*****************************************************************
|
| Neptune - Serial Ports
|
| Copyright (c) 2002-2008, Axiomatic Systems, LLC.
| All rights reserved.
|
| Redistribution and use in source and binary forms, with or without
| modification, are permitted provided that the following conditions are met:
| * Redistributions of source code must retain the above copyright
| notice, this list of conditions and the following disclaimer.
| * Redistributions in binary form must reproduce the above copyright
| notice, this list of conditions and the following disclaimer in the
| documentation and/or other materials provided with the distribution.
| * Neither the name of Axiomatic Systems nor the
| names of its contributors may be used to endorse or promote products
| derived from this software without specific prior written permission.
|
| THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY
| EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
| DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY
| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
****************************************************************/
#ifndef _NPT_SERIAL_PORT_H_
#define _NPT_SERIAL_PORT_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "NptTypes.h"
#include "NptStreams.h"
/*----------------------------------------------------------------------
| constants
+---------------------------------------------------------------------*/
const int NPT_ERROR_NO_SUCH_SERIAL_PORT = NPT_ERROR_BASE_SERIAL_PORT - 0;
const int NPT_ERROR_SERIAL_PORT_NOT_OPEN = NPT_ERROR_BASE_SERIAL_PORT - 1;
const int NPT_ERROR_SERIAL_PORT_ALREADY_OPEN = NPT_ERROR_BASE_SERIAL_PORT - 2;
const int NPT_ERROR_SERIAL_PORT_BUSY = NPT_ERROR_BASE_SERIAL_PORT - 3;
typedef enum {
NPT_SERIAL_PORT_PARITY_NONE,
NPT_SERIAL_PORT_PARITY_EVEN,
NPT_SERIAL_PORT_PARITY_ODD,
NPT_SERIAL_PORT_PARITY_MARK
} NPT_SerialPortParity;
typedef enum {
NPT_SERIAL_PORT_STOP_BITS_1,
NPT_SERIAL_PORT_STOP_BITS_1_5,
NPT_SERIAL_PORT_STOP_BITS_2
} NPT_SerialPortStopBits;
typedef enum {
NPT_SERIAL_PORT_FLOW_CONTROL_NONE,
NPT_SERIAL_PORT_FLOW_CONTROL_HARDWARE,
NPT_SERIAL_PORT_FLOW_CONTROL_XON_XOFF
} NPT_SerialPortFlowControl;
/*----------------------------------------------------------------------
| NPT_SerialPortInterface
+---------------------------------------------------------------------*/
class NPT_SerialPortInterface
{
public:
// constructors and destructor
virtual ~NPT_SerialPortInterface() {}
// methods
virtual NPT_Result Open(unsigned int speed,
NPT_SerialPortStopBits stop_bits,
NPT_SerialPortFlowControl flow_control,
NPT_SerialPortParity parity) = 0;
virtual NPT_Result Close() = 0;
virtual NPT_Result GetInputStream(NPT_InputStreamReference& stream) = 0;
virtual NPT_Result GetOutputStream(NPT_OutputStreamReference& stream) = 0;
};
/*----------------------------------------------------------------------
| NPT_SerialPort
+---------------------------------------------------------------------*/
class NPT_SerialPort : public NPT_SerialPortInterface
{
public:
// constructors and destructor
NPT_SerialPort(const char* name);
~NPT_SerialPort() { delete m_Delegate; }
// NPT_SerialPortInterface methods
NPT_Result Open(unsigned int speed,
NPT_SerialPortStopBits stop_bits = NPT_SERIAL_PORT_STOP_BITS_1,
NPT_SerialPortFlowControl flow_control = NPT_SERIAL_PORT_FLOW_CONTROL_NONE,
NPT_SerialPortParity parity = NPT_SERIAL_PORT_PARITY_NONE) {
return m_Delegate->Open(speed, stop_bits, flow_control, parity);
}
NPT_Result Close() {
return m_Delegate->Close();
}
NPT_Result GetInputStream(NPT_InputStreamReference& stream) {
return m_Delegate->GetInputStream(stream);
}
NPT_Result GetOutputStream(NPT_OutputStreamReference& stream) {
return m_Delegate->GetOutputStream(stream);
}
protected:
// members
NPT_SerialPortInterface* m_Delegate;
};
#endif // _NPT_SERIAL_PORT_H_
|
