4_BlackfinVDK1_0Release with pictures

4_BlackfinVDK1_0Release with pictures - Visual DSP...

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Support Across The Board Visual DSP Kernel (VDK)
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Copyright © Avnet, Inc., Analog Devices, Inc. All rights reserved. VDK Module Outline What is the VDK? Why Do We Need a Kernel? VDK Concepts and Features How to Create a Project with VDK support Debug Capabilities Summary/Conclusion
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Copyright © Avnet, Inc., Analog Devices, Inc. All rights reserved. What is the VDK? The Visual DSP Kernel is a pre-emptive kernel designed to run efficiently on Analog Devices family processors Included with VisualDSP++ development tools No NRE or royalties associated with VDK
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Copyright © Avnet, Inc., Analog Devices, Inc. All rights reserved. Why do we need a kernel? A simple application that does only one task may not need a kernel i.e.) Blind processing of a super loop If you have more than one task, an application could be structured in a couple of ways Respond to an event • Events change execution state Assign tasks a given priority and execute high priority tasks more often These approaches get difficult when You need to preserve the state of a task Low priority tasks may steal processing time longer than anticipated
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Copyright © Avnet, Inc., Analog Devices, Inc. All rights reserved. What does a kernel give you? Automatic preservation of task/system state Assign a scheduling method to tasks Provides synchronization abilities Frees architect from having to design ‘control code’
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Copyright © Avnet, Inc., Analog Devices, Inc. All rights reserved. VDK Domain Concepts
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4_BlackfinVDK1_0Release with pictures - Visual DSP...

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