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Siemens validates MS WinCE 3.0 as an RTOS

Aug 30, 2001 — by LinuxDevices Staff — from the LinuxDevices Archive

A report written and published by Siemens AG's Automation and Drives Division validates Windows CE 3.0 as a real-time OS. The report “Accessing Windows CE 3.0 Real-Time Capabilities” evaluates Windows CE 3.0 features, measures real-time properties such as performance and latency and provides real time programming hints. Quoting from the introduction to the report . . .

“Embedded real-time applications are becoming increasingly important for a number of business segments. Siemens Corporation, a player in e-business and IT technology, evaluated the Microsoft Windows CE operating system for its real-time capabilities. Various properties of this operating system, like its built-in multimedia capabilities, its optional GUI support, and the availability of the Microsoft Win32 application programming interface, make it a natural choice for Siemens in embedded applications. However, its real-time behavior still must be assessed to determine its usability for today's demanding real-time applications. The purpose of this paper is to provide this evaluation.”

“The important properties for real-time systems are the latency times for Interrupt Service Routines (ISR) and Interrupt Service Threads (IST). Additionally, performance of certain kernel calls has been measured and compared. These requirements are particularly relevant to the industrial automation industry . . .”

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