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RTOS Interrupt Architectures: Two Approaches - Unified and Segmented
Like stand-alone systems, embedded applications running on top of real-time operating systems (RTOSes) require Interrupt Service Routines (ISRs) to handle interrupts generated by external events.
External events can be caused by just about anything, from an asynchronous character arrival on a UART to a periodic timer interrupt.
ISRs have the responsibility of acknowledging the hardware condition and provide the initial handling of data sent...
preview:
http://www.rtos.com
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RTOS Real-Time Performance vs. Ease Of Use
Real-time operating system (RTOS) vendors often make claims of 'fast real-time performance,' and 'rapid real-time response,' to convince developers to use their RTOS for a given application.
The implication is that 'faster is better,' and sub-microsecond interrupt response and context switch times are offered as compelling evidence.
preview:
http://www.rtos.com
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Featured Products:
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ThreadX®
ThreadX is the leading royalty-free real-time operating system (RTOS) for embedded applications.
ThreadX offers the lowest ...
PEGX - (Portable Embedded GUI for
The PEGX™ (Portable Embedded GUI for ThreadX) development package is a professional quality graphical user interface ...
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Future Applications Favor a New Generation of Scalable RTOSs
Newer systems incorporating multiple homogeneous and heteroge-neous processing cores will require RTOSs that can be adapted to their processing needs.
This will also lead to a new generation of tools.
This is a Quadros white paper from Tom Barrett.
preview:
http://www.quadros.com
date: 1/1/2002
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Optimizing Technology Choices for Embedded Software Development
We will be mentioning four RTOS vendors and their product offerings as examples in our presentation.
These companies – Wind River Systems, Green Hills Software, LynuxWorks, and Accelerated Technologies (Mentor Graphics) –are significant companies that offer quality products and services.
EMF looks at their product offerings and the standards (and verticals) that they support, and presents a perspective . . .
preview:
http://www.embedded-forecast.com
date: 5/1/2005
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RTOS - the heart of good power management
Low power consumption is an essential factor in many embedded applications.
The growing importance of battery powered applications for portable electronics, home automation and wireless communications—for example, in medical devices, personal navigation devices, sports watches and portable games consoles—means that the demand for improved battery life-time is growing dramatically.
The number of low-power versions of microprocessors and other...
preview:
http://www.iar.com
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