Event Structure: Native Asynchronous

Event structure

What is an Asynchronous event?

Native Asynchronous display

Using the Clarinet Event-Editor without a filter.

Asynchronous decoding

Using the Clarinet Event-Editor and an appropriate filter.

Standards

Asynchronous event

The Asynchronous events are generated by the analysis process from the SL or DL link when the data structure is based on asynchronous characters.

The binary event structure is defined in the Clarinet-API.

Clarinet Event-Editor: native Asynchronous display

The edition of the Asynchronous events without any decoding/formatting enables the contents of the different fields to be displayed:

async_native.gif (12921 octets)

Event information

Date

Date of the event in the format: hh:mm:ss/xxx.y

N

The interface number which identifies the Clarinet-interface connected to the host.

Link type

  • TS: Signalling Link Transmit direction
  • RS: Signalling Link Receive direction
  • TD: Data Link Transmit direction
  • RD: Data Link Receive direction

D1

The decoding level as specified in the filter (protocol stack).

Protocol fields

Async

<Async type> Content

Data field

For a event string, characters of the string, displayed in ASCII.

Asynchronous Protocol fields

<Async type>

  • Character.
  • Character String: as the series of the previous characters in the same direction, ended by the delimiter characters defined within the profile (End of strings rubric).
  • Beginning of break (character with Start Bit, Data Bits, Parity Bit, and Stop Bits equal to 0).
  • End of break (on reception of the first one).

Content

Event content in the format <xx> 'y' for a character
or len=zzzz for a character string :

<xx>

Character in hexadecimal mode.

'y'

Character in ASCII mode.

len=zzzz

Length of the character string.

 


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