Data flow modelling in real time multitasking graphical design

Petit, J.F.; Schwarz, J.J.; Maranzana, M.; Skubich, J.J.

doi:10.1109/rta.1994.316138

Cited by 3 publications

(1 citation statement)

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“…• The behavioural axis gives an idea of the dynamic behaviour of an application from the multitasking and communication/synchronisation points of view . • The transformational axis defines how and where is done the real-time application data processing -data flow modelling- (Petit, 1994). • The abstraction level axis: the high level is closely linked with the application issuesapplicative objects-and the low level defines the interface with the target computer system -Lacatre atomic objects-, executing the real-time application program.…”

Section: Design Principlesmentioning

confidence: 99%

Methodology assistant in a graphical design of real-time applications

Aubry

Maranzana

Schwarz

1996

Achieving Quality in Software

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LACATRE (Langage d'Aide a la Conception d'Applications Temps REel) is a graphical environment dedicated to multitasking real-time application developments. At the lowest level, it handles objects close to those supported by real-time executives (such as tasks, messages, semaphores ...), and at the highest level, it manipulates applicative objects (like agencies and processes), near to the application programmer's preoccupation. Graphical programming has been used in order to obtain a documentation with a high degree of legibility and a synthetic as well as precise view of the dynamic behaviour of a real-time application. The aim of this paper is to present the definition of a methodology assistant which takes advantage of the specificity of the Lacatre environment-behavioural axis, transformational axis, abstraction level axis, operative mode axis and graphical programming-, allowing an incremental development and providing an assistance adapted to the design context. Starting with a known, and rule based, stepwise design method, the methodology assistant can help the designer to verify the design steps and to monitor the complexity of the software components currently under construction.

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Section: Design Principlesmentioning

confidence: 99%