File content as of revision 36:bb6b293c7495:

#ifndef MTSSERIALFLOWCONTROL_H
#define MTSSERIALFLOWCONTROL_H

#include "mbed.h"
#include "MTSBufferedIO.h"

class MTSSerialFlowControl : public MTSBufferedIO
{
public:
    /** Creates a new MTSSerialFlowControl object that can be used to talk to an Mbed serial
    * port through internal SW buffers. Note that this class also adds the ability to use
    * RTS/CTS HW Flow Conrtol through and standard Mbed DigitalIn and DigitalOut pins.
    *
    * @param TXD the transmit data pin on the desired Mbed serial interface.
    * @param RXD the receive data pin on the desired Mbed serial interface.
    * @param RTS the DigitalIn pin that RTS will be attached to.
    * @param CTS the DigitalOut pin that CTS will be attached to.
    * @param txBufferSize the size in bytes of the internal SW transmit buffer. The
    * default is 64 bytes.
    * @param rxBufferSize the size in bytes of the internal SW receive buffer. The
    * default is 64 bytes.
    * @param name an optional name for the serial port. The default is blank.
    */
    MTSSerialFlowControl(PinName TXD, PinName RXD, PinName RTS, PinName CTS, int txBufSize = 64, int rxBufSize = 64, char* name = "");

    /** Destructs an MTSSerialFlowControl object and frees all related resources,
    * including internal buffers.
    */
    ~MTSSerialFlowControl();

    /** This method is used to the set the baud rate of the serial port.
    *
    * @param baudrate the baudrate in bps as an int. The internal interface
    * default is 9600 bps.
    */
    void baud(int baudrate);

    void notifyStartSending();
    void notifyStopSending();

private:
    InterruptIn* rts; // Used to monitor the RTS line
    DigitalOut* cts; // Used to control the CTS line
    Serial* serial; // Internal Mbed Serial object
    bool clearToSend; // flag determining if the CTS line is valid
    int highThreshold; //
    int lowThreshold;
    char* if_name; 

    void startSending();
    void stopSending();

    virtual void handleRead();
    virtual void handleWrite();
};

#endif /* MTSSERIALFLOWCONTROL */