1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
//
// Copyright 2010,2014 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#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 int interface)
: _handle(handle)
{
_handle->claim_interface(interface);
}
virtual ~libusb_control_impl(void);
int submit(uint8_t request_type,
uint8_t request,
uint16_t value,
uint16_t index,
unsigned char* buff,
uint16_t length,
uint32_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;
};
libusb_control_impl::~libusb_control_impl(void)
{
/* NOP */
}
/***********************************************************************
* USB control public make functions
**********************************************************************/
usb_control::sptr usb_control::make(usb_device_handle::sptr handle, const int interface)
{
return sptr(new libusb_control_impl(
libusb::device_handle::get_cached_handle(
boost::static_pointer_cast<libusb::special_handle>(handle)->get_device()),
interface));
}
|
