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Dependencies: MAX44000 PWM_Tone_Library nexpaq_mdk
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IOStream.h
00001 /* IOStream.h */ 00002 /* Copyright (C) 2012 mbed.org, MIT License 00003 * 00004 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 00005 * and associated documentation files (the "Software"), to deal in the Software without restriction, 00006 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 00007 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 00008 * furnished to do so, subject to the following conditions: 00009 * 00010 * The above copyright notice and this permission notice shall be included in all copies or 00011 * substantial portions of the Software. 00012 * 00013 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 00014 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00015 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 00016 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00017 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00018 */ 00019 00020 #ifndef IOSTREAM_H_ 00021 #define IOSTREAM_H_ 00022 00023 #include "rtos.h" 00024 00025 class IStream 00026 { 00027 public: 00028 //IStream(); 00029 //virtual ~IStream(); 00030 00031 //0 for non-blocking (returns immediately), osWaitForever for infinite blocking 00032 virtual int read(uint8_t* buf, size_t* pLength, size_t maxLength, uint32_t timeout=osWaitForever) = 0; 00033 virtual size_t available() = 0; 00034 virtual int waitAvailable(uint32_t timeout=osWaitForever) = 0; //Wait for data to be available 00035 virtual int abortRead() = 0; //Abort current reading (or waiting) operation 00036 }; 00037 00038 class OStream 00039 { 00040 public: 00041 //OStream(); 00042 //virtual ~OStream(); 00043 00044 //0 for non-blocking (returns immediately), osWaitForever for infinite blocking 00045 virtual int write(uint8_t* buf, size_t length, uint32_t timeout=osWaitForever) = 0; 00046 virtual size_t space() = 0; 00047 virtual int waitSpace(uint32_t timeout=osWaitForever) = 0; //Wait for space to be available 00048 virtual int abortWrite() = 0; //Abort current writing (or waiting) operation 00049 }; 00050 00051 class IOStream : public IStream, public OStream 00052 { 00053 public: 00054 //IOStream(); 00055 //virtual ~IOStream(); 00056 }; 00057 00058 00059 #endif /* IOSTREAM_H_ */
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