Ashley Mills / VodafoneUSBModem_bleedingedge2

local fork

Dependencies:   Socket USBHostWANDongle_bleedingedge lwip-sys lwip

Dependents:   Encrypted

Fork of VodafoneUSBModem_bleedingedge by Donatien Garnier

serial/io/IOSerialStream.h@87:23f78174a9e2, 2013-04-26 (annotated)

Committer:
ashleymills
Date:
Fri Apr 26 16:58:07 2013 +0000
Revision:
87:23f78174a9e2
Parent:
22:06fb2a93a1f6 
nothing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:3b2f052c333b 1 /* IOSerialStream.h */
donatien 22:06fb2a93a1f6 2 /* Copyright (C) 2012 mbed.org, MIT License
donatien 22:06fb2a93a1f6 3 *
donatien 22:06fb2a93a1f6 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
donatien 22:06fb2a93a1f6 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
donatien 22:06fb2a93a1f6 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
donatien 22:06fb2a93a1f6 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
donatien 22:06fb2a93a1f6 8 * furnished to do so, subject to the following conditions:
donatien 22:06fb2a93a1f6 9 *
donatien 22:06fb2a93a1f6 10 * The above copyright notice and this permission notice shall be included in all copies or
donatien 22:06fb2a93a1f6 11 * substantial portions of the Software.
donatien 22:06fb2a93a1f6 12 *
donatien 22:06fb2a93a1f6 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
donatien 22:06fb2a93a1f6 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
donatien 22:06fb2a93a1f6 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
donatien 22:06fb2a93a1f6 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 22:06fb2a93a1f6 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
donatien 22:06fb2a93a1f6 18 */
donatien 0:3b2f052c333b 19 #ifndef IOSERIALSTREAM_H_
donatien 0:3b2f052c333b 20 #define IOSERIALSTREAM_H_
donatien 0:3b2f052c333b 21
donatien 0:3b2f052c333b 22 #include "core/fwk.h"
donatien 0:3b2f052c333b 23
donatien 0:3b2f052c333b 24 #include "Serial.h"
donatien 0:3b2f052c333b 25
donatien 0:3b2f052c333b 26 #include "rtos.h"
donatien 0:3b2f052c333b 27 #include "core/MtxCircBuffer.h"
donatien 0:3b2f052c333b 28
donatien 0:3b2f052c333b 29 /** Input Serial Stream for physical serial interfaces (UART...)
donatien 0:3b2f052c333b 30 This class is not thread-safe, except for the *Abort() methods that can be called by any thread/ISR
donatien 0:3b2f052c333b 31 */
donatien 0:3b2f052c333b 32 #define CIRCBUF_SIZE 255
donatien 0:3b2f052c333b 33 class IOSerialStream : public IOStream
donatien 0:3b2f052c333b 34 {
donatien 0:3b2f052c333b 35 public:
donatien 0:3b2f052c333b 36 IOSerialStream(mbed::Serial& serial);
donatien 0:3b2f052c333b 37 /*virtual*/ ~IOSerialStream();
donatien 0:3b2f052c333b 38
donatien 0:3b2f052c333b 39 //0 for non-blocking (returns immediately), osWaitForever for infinite blocking
donatien 0:3b2f052c333b 40 virtual int read(uint8_t* buf, size_t* pLength, size_t maxLength, uint32_t timeout=osWaitForever);
donatien 0:3b2f052c333b 41 virtual size_t available();
donatien 0:3b2f052c333b 42 virtual int waitAvailable(uint32_t timeout=osWaitForever); //Wait for data to be available
donatien 0:3b2f052c333b 43 virtual int abortRead(); //Abort current reading (or waiting) operation
donatien 0:3b2f052c333b 44
donatien 0:3b2f052c333b 45
donatien 0:3b2f052c333b 46 //0 for non-blocking (returns immediately), osWaitForever for infinite blocking
donatien 0:3b2f052c333b 47 virtual int write(uint8_t* buf, size_t length, uint32_t timeout=osWaitForever);
donatien 0:3b2f052c333b 48 virtual size_t space();
donatien 0:3b2f052c333b 49 virtual int waitSpace(uint32_t timeout=osWaitForever); //Wait for space to be available
donatien 0:3b2f052c333b 50 virtual int abortWrite(); //Abort current writing (or waiting) operation
donatien 0:3b2f052c333b 51
donatien 0:3b2f052c333b 52 private:
donatien 0:3b2f052c333b 53
donatien 0:3b2f052c333b 54 mbed::Serial& m_serial;
donatien 0:3b2f052c333b 55 volatile bool m_serialTxFifoEmpty;
donatien 0:3b2f052c333b 56
donatien 0:3b2f052c333b 57 void setupReadableISR(bool en);
donatien 0:3b2f052c333b 58 void readable(); //Callback from m_serial when new data is available
donatien 0:3b2f052c333b 59
donatien 0:3b2f052c333b 60 Semaphore m_availableSphre; //Used for signalling
donatien 0:3b2f052c333b 61
donatien 0:3b2f052c333b 62 void setupWriteableISR(bool en);
donatien 0:3b2f052c333b 63 void writeable(); //Callback from m_serial when new space is available
donatien 0:3b2f052c333b 64
donatien 0:3b2f052c333b 65 Semaphore m_spaceSphre; //Used for signalling
donatien 0:3b2f052c333b 66
donatien 0:3b2f052c333b 67 MtxCircBuffer<uint8_t, CIRCBUF_SIZE + 1> m_inBuf;
donatien 0:3b2f052c333b 68 MtxCircBuffer<uint8_t, CIRCBUF_SIZE + 1> m_outBuf;
donatien 0:3b2f052c333b 69
donatien 0:3b2f052c333b 70 };
donatien 0:3b2f052c333b 71
donatien 0:3b2f052c333b 72 #endif /* IOSERIALSTREAM_H_ */