Automation from pictures: Producing real time code from a state transition diagram

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The state transition diagram (STD) model has been helpful in the design of real time software, especially with the emergence of graphical computer aided software engineering (CASE) tools. Nevertheless, the translation of the STD to real time code has in the past been primarily a manual task. At Los Alamos we have automated this process. The designer constructs the STD using a CASE tool (Cadre Teamwork) using a special notation for events and actions. A translator converts the STD into an intermediate state notation language (SNL), and this SNL is compiled directly into C code (a state program). Execution of ... continued below

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Pages: (3 p)

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Kozubal, A.J. January 1, 1991.

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Description

The state transition diagram (STD) model has been helpful in the design of real time software, especially with the emergence of graphical computer aided software engineering (CASE) tools. Nevertheless, the translation of the STD to real time code has in the past been primarily a manual task. At Los Alamos we have automated this process. The designer constructs the STD using a CASE tool (Cadre Teamwork) using a special notation for events and actions. A translator converts the STD into an intermediate state notation language (SNL), and this SNL is compiled directly into C code (a state program). Execution of the state program is driven by external events, allowing multiple state programs to effectively share the resources of the host processor. Since the design and the code are tightly integrated through the CASE tool, the design and code never diverge, and we avoid design obsolescence. Furthermore, the CASE tool automates the production of formal technical documents from the graphic description encapsulated by the CASE tool. 10 refs., 3 figs.

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Pages: (3 p)

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OSTI; NTIS; GPO Dep.

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  • International conference on accelerator and large experimental physics control systems, Tsukuba (Japan), 11-15 Nov 1991

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  • Other: DE92002466
  • Report No.: LA-UR-91-3340
  • Report No.: CONF-911116--2
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5113331
  • Archival Resource Key: ark:/67531/metadc1060613

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1991

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  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 22, 2018, 7:03 p.m.

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Kozubal, A.J. Automation from pictures: Producing real time code from a state transition diagram, article, January 1, 1991; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1060613/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.