USRP Hardware Driver and USRP Manual  Version: 003.008.004-release
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uhd::async_metadata_t Struct Reference

#include <uhd/types/metadata.hpp>

Public Types

enum  event_code_t {
  EVENT_CODE_BURST_ACK = 0x1, EVENT_CODE_UNDERFLOW = 0x2, EVENT_CODE_SEQ_ERROR = 0x4, EVENT_CODE_TIME_ERROR = 0x8,
  EVENT_CODE_UNDERFLOW_IN_PACKET = 0x10, EVENT_CODE_SEQ_ERROR_IN_BURST = 0x20, EVENT_CODE_USER_PAYLOAD = 0x40
}
 

Public Attributes

size_t channel
 The channel number in a mimo configuration. More...
 
bool has_time_spec
 Has time specification? More...
 
time_spec_t time_spec
 When the async event occurred. More...
 
enum
uhd::async_metadata_t::event_code_t 
event_code
 
boost::uint32_t user_payload [4]
 

Detailed Description

Async metadata structure for describing transmit related events.

Member Enumeration Documentation

The type of event for a receive async message call.

Enumerator
EVENT_CODE_BURST_ACK 

A burst was successfully transmitted.

EVENT_CODE_UNDERFLOW 

An internal send buffer has emptied.

EVENT_CODE_SEQ_ERROR 

Packet loss between host and device.

EVENT_CODE_TIME_ERROR 

Packet had time that was late.

EVENT_CODE_UNDERFLOW_IN_PACKET 

Underflow occurred inside a packet.

EVENT_CODE_SEQ_ERROR_IN_BURST 

Packet loss within a burst.

EVENT_CODE_USER_PAYLOAD 

Some kind of custom user payload.

Member Data Documentation

size_t uhd::async_metadata_t::channel

The channel number in a mimo configuration.

enum uhd::async_metadata_t::event_code_t uhd::async_metadata_t::event_code
bool uhd::async_metadata_t::has_time_spec

Has time specification?

time_spec_t uhd::async_metadata_t::time_spec

When the async event occurred.

boost::uint32_t uhd::async_metadata_t::user_payload[4]

A special payload populated by custom FPGA fabric.


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