Simple test for USSD message.
Dependencies: CellularModem USBHost
Fork of CellularUSBModem by
IOSerialStream.h
00001 /* IOSerialStream.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 #ifndef IOSERIALSTREAM_H_ 00020 #define IOSERIALSTREAM_H_ 00021 00022 #include "core/fwk.h" 00023 00024 #include "RawSerial.h" 00025 00026 #include "rtos.h" 00027 #include "core/MtxCircBuffer.h" 00028 00029 /** Input Serial Stream for physical serial interfaces (UART...) 00030 This class is not thread-safe, except for the *Abort() methods that can be called by any thread/ISR 00031 */ 00032 class IOSerialStream : public IOStream 00033 { 00034 public: 00035 enum { CIRCBUF_SIZE = 255 }; 00036 IOSerialStream(mbed::RawSerial& serial); 00037 /*virtual*/ ~IOSerialStream(); 00038 00039 //0 for non-blocking (returns immediately), osWaitForever for infinite blocking 00040 virtual int read(uint8_t* buf, size_t* pLength, size_t maxLength, uint32_t timeout=osWaitForever); 00041 virtual size_t available(); 00042 virtual int waitAvailable(uint32_t timeout=osWaitForever); //Wait for data to be available 00043 virtual int abortRead(); //Abort current reading (or waiting) operation 00044 00045 00046 //0 for non-blocking (returns immediately), osWaitForever for infinite blocking 00047 virtual int write(uint8_t* buf, size_t length, uint32_t timeout=osWaitForever); 00048 virtual size_t space(); 00049 virtual int waitSpace(uint32_t timeout=osWaitForever); //Wait for space to be available 00050 virtual int abortWrite(); //Abort current writing (or waiting) operation 00051 00052 private: 00053 00054 mbed::RawSerial& m_serial; 00055 volatile bool m_serialTxFifoEmpty; 00056 00057 void setupReadableISR(bool en); 00058 void readable(); //Callback from m_serial when new data is available 00059 00060 Semaphore m_availableSphre; //Used for signalling 00061 00062 void setupWriteableISR(bool en); 00063 void writeable(); //Callback from m_serial when new space is available 00064 00065 Semaphore m_spaceSphre; //Used for signalling 00066 00067 MtxCircBuffer<uint8_t, CIRCBUF_SIZE + 1> m_inBuf; 00068 MtxCircBuffer<uint8_t, CIRCBUF_SIZE + 1> m_outBuf; 00069 00070 }; 00071 00072 #endif /* IOSERIALSTREAM_H_ */
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