File content as of revision 2:50930edb6eb3:

/* IUSBHostSerial.h */
/*
Copyright (C) 2012 ARM Limited.

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/


#ifndef IUSBHOSTSERIAL_H_
#define IUSBHOSTSERIAL_H_

/**
 * Generic interface to abstract 3G dongles' impl
 */

#include "IUSBHostSerialListener.h"

class IUSBHostSerial {
public:

    enum IrqType {
        RxIrq,
        TxIrq
    };

    /*
    * Get a char from the dongle's serial interface
    */
    virtual int getc() = 0;

    /*
    * Put a char to the dongle's serial interface
    */
    virtual int putc(int c) = 0;

    /*
     *  Read a packet from the dongle's serial interface, to be called after multiple getc() calls
     */
    virtual int readPacket() = 0;

    /*
     *  Write a packet to the dongle's serial interface, to be called after multiple putc() calls
     */
    virtual int writePacket() = 0;

    /**
    * Check the number of bytes available.
    *
    * @returns the number of bytes available
    */
    virtual int readable() = 0;

    /**
    * Check the free space in output.
    *
    * @returns the number of bytes available
    */
    virtual int writeable() = 0;

    /**
     *  Attach a handler to call when a packet is received / when a packet has been transmitted.
     *
     *  @param pListener instance of the listener deriving from the IUSBHostSerialListener
     */
    virtual void attach(IUSBHostSerialListener* pListener) = 0;

    /**
     * Enable or disable readable/writeable callbacks
     */
    virtual void setupIrq(bool en, IrqType irq = RxIrq) = 0;

};

#endif /* IUSBHOSTSERIAL_H_ */