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/* IOStream.h */
/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef IOSTREAM_H_
#define IOSTREAM_H_
#include "rtos.h"
class IStream
{
public:
//IStream();
//virtual ~IStream();
//0 for non-blocking (returns immediately), osWaitForever for infinite blocking
virtual int read(uint8_t* buf, size_t* pLength, size_t maxLength, uint32_t timeout=osWaitForever) = 0;
virtual size_t available() = 0;
virtual int waitAvailable(uint32_t timeout=osWaitForever) = 0; //Wait for data to be available
virtual int abortRead() = 0; //Abort current reading (or waiting) operation
};
class OStream
{
public:
//OStream();
//virtual ~OStream();
//0 for non-blocking (returns immediately), osWaitForever for infinite blocking
virtual int write(uint8_t* buf, size_t length, uint32_t timeout=osWaitForever) = 0;
virtual size_t space() = 0;
virtual int waitSpace(uint32_t timeout=osWaitForever) = 0; //Wait for space to be available
virtual int abortWrite() = 0; //Abort current writing (or waiting) operation
};
class IOStream : public IStream, public OStream
{
public:
//IOStream();
//virtual ~IOStream();
};
#endif /* IOSTREAM_H_ */
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