uhd::transport::usb_control Class Reference

#include <usb_control.hpp>

Inheritance diagram for uhd::transport::usb_control:

Public Types
typedef boost::shared_ptr< usb_control >	sptr

Public Member Functions
virtual ssize_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)=0

Static Public Member Functions
static sptr	make (usb_device_handle::sptr handle)

Member Typedef Documentation

sptr

typedef boost::shared_ptr<usb_control> uhd::transport::usb_control::sptr

Member Function Documentation

make()

static sptr uhd::transport::usb_control::make ( usb_device_handle::sptr  handle )

static

Create a new usb control transport: This transport is for sending and receiving control information from the host to device using the Default Control Pipe.

Parameters

handle

a device handle that uniquely identifies a USB device

submit()

virtual ssize_t uhd::transport::usb_control::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  )

pure virtual

Submit a USB device request: Blocks until the request returns

For format and corresponding USB request fields see USB Specification Revision 2.0 - 9.3 USB Device Requests

Usage is device specific

Parameters

request_type	1-byte bitmask (bmRequestType)
request	1-byte (bRequest)
value	2-byte (wValue)
index	2-byte (wIndex)
buff	buffer to hold send or receive data
length	2-byte (wLength)

Returns

number of bytes submitted or error code

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The documentation for this class was generated from the following file:

• include/uhd/transport/usb_control.hpp