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//
// Copyright 2010,2014 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
#include "libusb1_base.hpp"
#include <uhd/transport/usb_control.hpp>
#include <boost/thread/mutex.hpp>
using namespace uhd::transport;
usb_control::~usb_control(void){
/* NOP */
}
/***********************************************************************
* libusb-1.0 implementation of USB control transport
**********************************************************************/
class libusb_control_impl : public usb_control {
public:
libusb_control_impl(libusb::device_handle::sptr handle, const size_t interface):
_handle(handle)
{
_handle->claim_interface(interface);
}
ssize_t submit(boost::uint8_t request_type,
boost::uint8_t request,
boost::uint16_t value,
boost::uint16_t index,
unsigned char *buff,
boost::uint16_t length,
boost::int32_t libusb_timeout = 0
){
boost::mutex::scoped_lock lock(_mutex);
return libusb_control_transfer(_handle->get(),
request_type,
request,
value,
index,
buff,
length,
libusb_timeout);
}
private:
libusb::device_handle::sptr _handle;
boost::mutex _mutex;
};
/***********************************************************************
* USB control public make functions
**********************************************************************/
usb_control::sptr usb_control::make(usb_device_handle::sptr handle, const size_t interface){
return sptr(new libusb_control_impl(libusb::device_handle::get_cached_handle(
boost::static_pointer_cast<libusb::special_handle>(handle)->get_device()
), interface));
}
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