diff options
Diffstat (limited to 'host/lib/transport/libusb1_control.cpp')
-rw-r--r-- | host/lib/transport/libusb1_control.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/host/lib/transport/libusb1_control.cpp b/host/lib/transport/libusb1_control.cpp new file mode 100644 index 000000000..3531128b2 --- /dev/null +++ b/host/lib/transport/libusb1_control.cpp @@ -0,0 +1,95 @@ +// +// Copyright 2010 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> + +using namespace uhd::transport; + +const int libusb_debug_level = 0; +const int libusb_timeout = 0; + +/*********************************************************************** + * libusb-1.0 implementation of USB control transport + **********************************************************************/ +class libusb_control_impl : public usb_control { +public: + libusb_control_impl(usb_device_handle::sptr handle); + ~libusb_control_impl(); + + size_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); + +private: + libusb_context *_ctx; + libusb_device_handle *_dev_handle; +}; + + +libusb_control_impl::libusb_control_impl(usb_device_handle::sptr handle) +{ + libusb::init(&_ctx, libusb_debug_level); + + // Find and open the libusb_device corresponding to the + // given handle and return the libusb_device_handle + // that can be used for I/O purposes. + _dev_handle = libusb::open_device(_ctx, handle); + + // Open USB interfaces for control using magic value + // IN interface: 2 + // OUT interface: 1 + // Control interface: 0 + libusb::open_interface(_dev_handle, 0); +} + + +libusb_control_impl::~libusb_control_impl() +{ + libusb_close(_dev_handle); + libusb_exit(_ctx); +} + + +size_t libusb_control_impl::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) +{ + return libusb_control_transfer(_dev_handle, + request_type, + request, + value, + index, + buff, + length, + libusb_timeout); +} + + +/*********************************************************************** + * USB control public make functions + **********************************************************************/ +usb_control::sptr usb_control::make(usb_device_handle::sptr handle) +{ + return sptr(new libusb_control_impl(handle)); +} |