Merge branch 'master' of ettus.sourcerepo.com:ettus/uhdpriv into usrp_e

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));
+}