41819125026137Device_Drivers_and_System_Services_Manual

41819125026137Device_Drivers_and_System_Services_Manual -...

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W 4.0 Device Drivers and System Services Manual for Blackfin® Processors Revision 1.0, February 2005 Part Number 82-000430-01 Analog Devices, Inc. One Technology Way Norwood, Mass. 02062-9106 a
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Copyright Information ©2005 Analog Devices, Inc., ALL RIGHTS RESERVED. This document may not be reproduced in any form without prior, express written consent from Analog Devices, Inc. Printed in the USA. Disclaimer Analog Devices, Inc. reserves the right to change this product without prior notice. Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by impli- cation or otherwise under the patent rights of Analog Devices, Inc. Trademark and Service Mark Notice The Analog Devices logo, Blackfin, the Blackfin logo, EZ-KIT Lite, SHARC, TigerSHARC, and VisualDSP++ are registered trademarks of Analog Devices, Inc. All other brand and product names are trademarks or service marks of their respective owners.
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Device Drivers and System Services Manual for Blackfin Processors iii CONTENTS PREFACE Purpose of This Manual . ............................................................... xvii Intended Audience . ....................................................................... Manual Contents Description . ..................................................... xviii Technical or Customer Support . xix Product Information . ..................................................................... MyAnalog.com . ......................................................................... xx Processor Product Information . .................................................. Related Documents . ................................................................. xxi Online Technical Documentation . ............................................ Accessing Documentation From VisualDSP++ . .................... xxii Accessing Documentation From Windows . .......................... Accessing Documentation From the Web . xxiii Printed Manuals . ................................................................... VisualDSP++ Documentation Set . ...................................... xxiv Hardware Tools Manuals . ................................................... Processor Manuals . ............................................................. Data Sheets . Notation Conventions . .................................................................. xxv
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CONTENTS iv Device Drivers and System Services Manual for Blackfin Processors INTRODUCTION System Services Overview . ............................................................ 1-2 Application Interface . .............................................................. 1-5 Dependencies . ......................................................................... 1-6 Initialization . .......................................................................... 1-7 Termination . ........................................................................... 1-9 System Services Directory and File Structure . ......................... 1-10 Accessing the System Services API . .................................... Linking in the System Services Library . ............................. 1-12 Rebuilding the System Services Library . ............................ 1-13 Examples . ............................................................................. 1-15 Device Driver Overview . ............................................................. 1-16 Device Driver Architecture . ................................................... 1-17 Interaction with System Services . ...................................... 1-18 ........................................................................ 1-19 Termination . Device Driver Directory and File Structure . ........................... 1-20 Accessing the Device Driver API . Linking in the Device Driver Library . ............................... 1-22 Rebuilding the Device Driver Library . 1-23 1-25
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CONTENTS Device Drivers and System Services Manual for Blackfin Processors v INTERRUPT MANAGER Introduction . ................................................................................ 2-2 Initialization . 2-4 Termination . ................................................................................. 2-5 Core Event Controller Functions . .................................................. 2-6 adi_int_CECHook() . ............................................................... adi_int_CECUnhook() . ........................................................... 2-8 Interrupt Handlers . ................................................................. System Interrupt Controller Functions . ......................................... 2-9 adi_int_SICDisable() . ............................................................ 2-10 adi_int_SICEnable() . ............................................................. adi_int_SICGetIVG() . adi_int_SICInterruptAsserted() . ............................................ 2-11 adi_int_SICSetIVG() . adi_int_SICWakeup() .
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