BusDevice.h

Go to the documentation of this file.

/*
 * BusDevice.h  Created on: 23 May 2014
 * Copyright (c) 2014 Derek Molloy (www.derekmolloy.ie)
 * Made available for the book "Exploring BeagleBone"
 * See: www.exploringbeaglebone.com
 * Licensed under the EUPL V.1.1
 *
 * This Software is provided to You under the terms of the European
 * Union Public License (the "EUPL") version 1.1 as published by the
 * European Union. Any use of this Software, other than as authorized
 * under this License is strictly prohibited (to the extent such use
 * is covered by a right of the copyright holder of this Software).
 *
 * This Software is provided under the License on an "AS IS" basis and
 * without warranties of any kind concerning the Software, including
 * without limitation merchantability, fitness for a particular purpose,
 * absence of defects or errors, accuracy, and non-infringement of
 * intellectual property rights other than copyright. This disclaimer
 * of warranty is an essential part of the License and a condition for
 * the grant of any rights to this Software.
 *
 * For more details, see http://www.derekmolloy.ie/
 */

#ifndef BUSDEVICE_H_
#define BUSDEVICE_H_

namespace exploringBB {

class BusDevice {
protected:
        unsigned int bus;    
        unsigned int device; 
        int file;            
public:
        BusDevice(unsigned int bus, unsigned int device);
        virtual int open()=0;
        virtual unsigned char readRegister(unsigned int registerAddress)=0;
        virtual unsigned char* readRegisters(unsigned int number, unsigned int fromAddress=0)=0;
        virtual int write(unsigned char value)=0;
        virtual int writeRegister(unsigned int registerAddress, unsigned char value)=0;
        virtual void debugDumpRegisters(unsigned int number = 0xff)=0;
        virtual void close()=0;
        virtual ~BusDevice();
};

} /* namespace exploringBB */

#endif /* BUSDEVICE_H_ */