Porting and refurbishment of the WSS TNG control software

Alessandro Caproni; Andrea Zacchei; Claudio Vuerli; Mauro Pucillo

doi:10.1117/12.551541

15 September 2004 Porting and refurbishment of the WSS TNG control software

Alessandro Caproni, Andrea Zacchei, Claudio Vuerli, Mauro Pucillo

Proceedings Volume 5496, Advanced Software, Control, and Communication Systems for Astronomy; (2004) https://doi.org/10.1117/12.551541
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

The Workstation Software Sytem (WSS) is the high level control software of the Italian Galileo Galilei Telescope settled in La Palma Canary Island developed at the beginning of '90 for HP-UX workstations. WSS may be seen as a middle layer software system that manages the communications between the real time systems (VME), different workstations and high level applications providing a uniform distributed environment. The project to port the control software from the HP workstation to Linux environment started at the end of 2001. It is aimed to refurbish the control software introducing some of the new software technologies and languages, available for free in the Linux operating system. The project was realized by gradually substituting each HP workstation with a Linux PC with the goal to avoid main changes in the original software running under HP-UX. Three main phases characterized the project: creation of a simulated control room with several Linux PCs running WSS (to check all the functionality); insertion in the simulated control room of some HPs (to check the mixed environment); substitution of HP workstation in the real control room. From a software point of view, the project introduces some new technologies, like multi-threading, and the possibility to develop high level WSS applications with almost every programming language that implements the Berkley sockets. A library to develop java applications has also been created and tested.

Citation Download Citation

Alessandro Caproni, Andrea Zacchei, Claudio Vuerli, and Mauro Pucillo "Porting and refurbishment of the WSS TNG control software", Proc. SPIE 5496, Advanced Software, Control, and Communication Systems for Astronomy, (15 September 2004); https://doi.org/10.1117/12.551541

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Control systems

Java

Telecommunications

Binary data

Process control

Databases

Human-machine interfaces

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