sick_tim_common_usb.h

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/*
 * Copyright (C) 2013, Osnabrück University
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Osnabrück University nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *  Created on: 24.05.2012
 *
 *      Authors:
 *         Jochen Sprickerhof <jochen@sprickerhof.de>
 *         Martin Günther <mguenthe@uos.de>
 *
 * Based on the TiM communication example by SICK AG.
 *
 */

#ifndef SICK_TIM3XX_COMMON_USB_H_
#define SICK_TIM3XX_COMMON_USB_H_

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libusb.h>

#include "sick_tim_common.h"

namespace sick_tim
{

class SickTimCommonUsb : public SickTimCommon
{
public:
  SickTimCommonUsb(AbstractParser* parser, int device_number);
  virtual ~SickTimCommonUsb();

protected:
  virtual int init_device();
  virtual int close_device();

  virtual int sendSOPASCommand(const char* request, std::vector<unsigned char> * reply);


  virtual int get_datagram(unsigned char* receiveBuffer, int bufferSize, int* actual_length);

private:
  static const unsigned int USB_TIMEOUT = 1000; // milliseconds

  ssize_t getSOPASDeviceList(libusb_context *ctx, uint16_t vendorID, uint16_t productID, libusb_device ***list);
  void freeSOPASDeviceList(libusb_device **list);

  void printUSBDeviceDetails(struct libusb_device_descriptor desc);
  void printUSBInterfaceDetails(libusb_device* device);
  void printSOPASDeviceInformation(ssize_t numberOfDevices, libusb_device** devices);

  // libusb
  libusb_context *ctx_;
  ssize_t numberOfDevices_;
  libusb_device **devices_;
  libusb_device_handle *device_handle_;
  int device_number_;
};

} /* namespace sick_tim */
#endif /* SICK_TIM3XX_COMMON_USB_H_ */