Multi-Hackers / SocketModem

A library for talking to Multi-Tech's Cellular SocketModem Devices.

Dependents:   M2X_dev axeda_wrapper_dev MTS_M2x_Example1 MTS_Cellular_Connect_Example ... more

io/MTSBufferedIO.h@43:3cacf019ed7d, 2013-12-19 (annotated)

Committer:
sgodinez
Date:
Thu Dec 19 21:27:25 2013 +0000
Revision:
43:3cacf019ed7d
Parent:
40:14342c4de476
Parent:
41:81d035fb0b6a
Child:
46:b30547bf07d5
fixed merge conflict: setDns

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jengbrecht 0:563b70517320 1 #ifndef MTSBUFFEREDIO_H
jengbrecht 0:563b70517320 2 #define MTSBUFFEREDIO_H
jengbrecht 0:563b70517320 3
jengbrecht 0:563b70517320 4 #include "mbed.h"
jengbrecht 0:563b70517320 5 #include "MTSCircularBuffer.h"
jengbrecht 0:563b70517320 6
mfiore 39:6e94520a3217 7 namespace mts {
mfiore 39:6e94520a3217 8
jengbrecht 36:bb6b293c7495 9 /** This is an abstract class for lightweight buffered io to an underlying
jengbrecht 36:bb6b293c7495 10 * data interface. Specifically the inheriting class will need to override
jengbrecht 36:bb6b293c7495 11 * both the handle read and handle write functions which transfer data between
jengbrecht 36:bb6b293c7495 12 * the classes internal read and write buffers and the physical communications
jengbrecht 36:bb6b293c7495 13 * link or its HW buffers.
jengbrecht 36:bb6b293c7495 14 */
mfiore 40:14342c4de476 15
jengbrecht 0:563b70517320 16 class MTSBufferedIO
jengbrecht 0:563b70517320 17 {
jengbrecht 0:563b70517320 18 public:
jengbrecht 36:bb6b293c7495 19 /** Creates a new BufferedIO object with the passed in static buffer sizes.
jengbrecht 36:bb6b293c7495 20 * Note that because this class is abstract you cannot construct it directly.
jengbrecht 36:bb6b293c7495 21 * Instead, please construct when of its derived classes like MTSSerial or
jengbrecht 36:bb6b293c7495 22 * MTSSerialFlowControl.
jengbrecht 36:bb6b293c7495 23 */
jengbrecht 0:563b70517320 24 MTSBufferedIO(int txBufferSize = 128, int rxBufferSize = 128);
jengbrecht 36:bb6b293c7495 25
jengbrecht 36:bb6b293c7495 26 /** Destructs an MTSBufferedIO object and frees all related resources, including
jengbrecht 36:bb6b293c7495 27 * internal buffers.
jengbrecht 36:bb6b293c7495 28 */
jengbrecht 0:563b70517320 29 ~MTSBufferedIO();
jengbrecht 0:563b70517320 30
sgodinez 41:81d035fb0b6a 31 int write(const char* data, int length);
jengbrecht 0:563b70517320 32 int write(char data);
sgodinez 17:2d7c4ea7491b 33 int writeable();
jengbrecht 0:563b70517320 34 int read(char* data, int length);
sgodinez 17:2d7c4ea7491b 35 int read(char& data);
sgodinez 17:2d7c4ea7491b 36 int readable();
jengbrecht 0:563b70517320 37
jengbrecht 0:563b70517320 38 template<typename T>
jengbrecht 0:563b70517320 39 void attach(T *tptr, void(T::*mptr)(void), int threshold, Vars::RelationalOperator op, Serial::IrqType type);
jengbrecht 36:bb6b293c7495 40
jengbrecht 0:563b70517320 41 void attach(void(*fptr)(void), int threshold, Vars::RelationalOperator op, Serial::IrqType type);
jengbrecht 0:563b70517320 42
jengbrecht 36:bb6b293c7495 43 /** This method determines if the Tx or write buffer is empty.
jengbrecht 36:bb6b293c7495 44 *
jengbrecht 36:bb6b293c7495 45 * @returns true if empty, otherwise false.
jengbrecht 36:bb6b293c7495 46 */
jengbrecht 0:563b70517320 47 bool txEmpty();
jengbrecht 36:bb6b293c7495 48
jengbrecht 36:bb6b293c7495 49 /** This method determines if the Rx or read buffer is empty.
jengbrecht 36:bb6b293c7495 50 *
jengbrecht 36:bb6b293c7495 51 * @returns true if empty, otherwise false.
jengbrecht 36:bb6b293c7495 52 */
jengbrecht 0:563b70517320 53 bool rxEmpty();
jengbrecht 36:bb6b293c7495 54
jengbrecht 36:bb6b293c7495 55 /** This method determines if the Tx or write buffer is full.
jengbrecht 36:bb6b293c7495 56 *
jengbrecht 36:bb6b293c7495 57 * @returns true if full, otherwise false.
jengbrecht 36:bb6b293c7495 58 */
jengbrecht 0:563b70517320 59 bool txFull();
jengbrecht 36:bb6b293c7495 60
jengbrecht 36:bb6b293c7495 61 /** This method determines if the Rx or read buffer is full.
jengbrecht 36:bb6b293c7495 62 *
jengbrecht 36:bb6b293c7495 63 * @returns true if full, otherwise false.
jengbrecht 36:bb6b293c7495 64 */
jengbrecht 0:563b70517320 65 bool rxFull();
jengbrecht 36:bb6b293c7495 66
jengbrecht 36:bb6b293c7495 67 /** This method clears all the data from the internal Tx or write buffer.
jengbrecht 36:bb6b293c7495 68 */
jengbrecht 0:563b70517320 69 void txClear();
jengbrecht 36:bb6b293c7495 70
jengbrecht 36:bb6b293c7495 71 /** This method clears all the data from the internal Rx or read buffer.
jengbrecht 36:bb6b293c7495 72 */
jengbrecht 0:563b70517320 73 void rxClear();
jengbrecht 0:563b70517320 74
jengbrecht 36:bb6b293c7495 75 /** This abstract method should be used by the deriving class to transfer
jengbrecht 36:bb6b293c7495 76 * data from the internal write buffer (txBuffer) to the physical interface.
jengbrecht 36:bb6b293c7495 77 * Note that this function is called everytime new data is written to the
jengbrecht 36:bb6b293c7495 78 * txBuffer though one of the write calls.
jengbrecht 36:bb6b293c7495 79 */
jengbrecht 0:563b70517320 80 virtual void handleWrite() = 0;
jengbrecht 36:bb6b293c7495 81
jengbrecht 36:bb6b293c7495 82 /** This abstract method should be used by the deriving class to transfer
jengbrecht 36:bb6b293c7495 83 * data from the physical interface ot the internal read buffer (rxBuffer).
jengbrecht 36:bb6b293c7495 84 * Note that this function is never called in this class and typically should
jengbrecht 36:bb6b293c7495 85 * be called as part of a receive data interrupt routine.
jengbrecht 36:bb6b293c7495 86 */
jengbrecht 0:563b70517320 87 virtual void handleRead() = 0;
jengbrecht 0:563b70517320 88
jengbrecht 0:563b70517320 89 protected:
jengbrecht 36:bb6b293c7495 90 MTSCircularBuffer* txBuffer; // Internal write or transmit circular buffer
jengbrecht 36:bb6b293c7495 91 MTSCircularBuffer* rxBuffer; // Internal read or receieve circular buffer
jengbrecht 0:563b70517320 92 };
jengbrecht 0:563b70517320 93
mfiore 39:6e94520a3217 94 }
mfiore 39:6e94520a3217 95
jengbrecht 0:563b70517320 96 #endif /* MTSBUFFEREDIO_H */