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| author | Thomas Tsou <ttsou@vt.edu> | 2010-08-27 23:46:16 -0700 |
|---|---|---|
| committer | Thomas Tsou <ttsou@vt.edu> | 2010-08-28 00:18:46 -0700 |
| commit | ad55e25aeb273fb7278c6d5175cd0df01fc90924 (patch) | |
| tree | 0af72be0bfa69df5a8bae07b5e2c337bec707ef0 /host/lib/transport/libusb1_control.cpp | |
| parent | 2c85b17215fbe5fd2f80a8c6d0c47504a631c09b (diff) | |
| download | uhd-ad55e25aeb273fb7278c6d5175cd0df01fc90924.tar.gz uhd-ad55e25aeb273fb7278c6d5175cd0df01fc90924.tar.bz2 uhd-ad55e25aeb273fb7278c6d5175cd0df01fc90924.zip | |
usrp1: Additional comments on libusb transport implemenation
Diffstat (limited to 'host/lib/transport/libusb1_control.cpp')
| -rw-r--r-- | host/lib/transport/libusb1_control.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/host/lib/transport/libusb1_control.cpp b/host/lib/transport/libusb1_control.cpp index 4b827c350..3531128b2 100644 --- a/host/lib/transport/libusb1_control.cpp +++ b/host/lib/transport/libusb1_control.cpp @@ -48,8 +48,15 @@ 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); } |