diff options
Diffstat (limited to 'host/docs/transport.rst')
| -rw-r--r-- | host/docs/transport.rst | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/host/docs/transport.rst b/host/docs/transport.rst index b601cd8ff..1ee5b0879 100644 --- a/host/docs/transport.rst +++ b/host/docs/transport.rst @@ -19,10 +19,8 @@ The transport parameters are defined below for the various transports in the UHD ------------------------------------------------------------------------ UDP transport (sockets) ------------------------------------------------------------------------ -The UDP transport is implemented with user-space sockets: - -* **UNIX:** standard Berkeley sockets API using send()/recv() -* **Windows:** Windows Sockets API (WSA) using overlapped IO +The UDP transport is implemented with user-space sockets. +This means standard Berkeley sockets API using send()/recv(). ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Transport parameters @@ -118,9 +116,6 @@ USB transport (libusb) ------------------------------------------------------------------------ The USB transport is implemented with libusb. Libusb provides an asynchronous API for USB bulk transfers. -The transport implementation allocates a number of buffers -and submits asynchronous requests through libusb. -Event handler threads run in the background to process these requests. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Transport parameters @@ -131,4 +126,28 @@ The following parameters can be used to alter the transport's default behavior: * **num_recv_frames:** The number of simultaneous receive transfers * **send_frame_size:** The size of a single send transfers in bytes * **num_send_frames:** The number of simultaneous send transfers -* **concurrency_hint:** The number of threads to run the event handler + +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Setup Udev for USB (Linux) +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +On Linux, Udev handles USB plug and unplug events. +The following commands install a Udev rule +so that non-root users may access the device: + +:: + + cd <install-path> + sudo cp uhd-usrp.rules /etc/udev/rules.d/ + sudo udevadm control --reload-rules + +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Install USB driver (Windows) +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +A driver package must be installed to use a USB-based product with UHD: + +* Download the driver from the UHD wiki page. +* Unzip the file into a known location. We will refer to this as the <directory>. +* Open the device manager and plug-in the USRP. You will see an unrecognized USB device in the device manager. +* Right click on the unrecognized USB device and select update/install driver software (may vary for your OS). +* In the driver installation wizard, select "browse for driver", browse to the <directory>, and select the .inf file. +* Continue through the installation wizard until the driver is installed. |