#include <uhd/transport/usb_control.hpp>
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virtual | ~usb_control (void)=0 |
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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, boost::int32_t timeout=0)=0 |
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◆ sptr
◆ ~usb_control()
virtual uhd::transport::usb_control::~usb_control |
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void |
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pure virtual |
◆ make()
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
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handle | a device handle that uniquely identifies a USB device |
interface | the USB interface number for the control transport |
◆ submit()
virtual ssize_t uhd::transport::usb_control::submit |
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boost::uint8_t |
request_type, |
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boost::uint8_t |
request, |
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boost::uint16_t |
value, |
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boost::uint16_t |
index, |
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unsigned char * |
buff, |
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boost::uint16_t |
length, |
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boost::int32_t |
timeout = 0 |
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) |
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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
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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) |
timeout | 4-byte (timeout, default is infinite wait) |
- Returns
- number of bytes submitted or error code
The documentation for this class was generated from the following file: