DMA Considerations :: Custom xPC Target Driver Notes (xPC Target™)

Contents

Index

• Getting Started

• Target and Scope Objects

• Targets and Scopes in the MATLAB Interface

• Signals and Parameters

• Booting from a DOS Device

• Embedded Option

• Software Environment and Demos

• Working with Target PC Environments

• Using the Target PC Command-Line Interface

• Working with Target PC Files and File Systems

• Graphical User Interfaces

• xPC Target Web Browser Interface

• Interrupts Versus Polling

• Incorporating Fortran Code into the xPC Target Environment

• Vector CANape Support

• Frequently Asked Questions

• Target PC Command-Line Interface Reference

• API Function and Method Reference

• Configuration Parameters

• I/O Reference

• Device Drivers Guide

• Customizing xPC Target Drivers

• PCI Drivers

• ISA and PC/104 Drivers

• Masking Drivers

• Interrupt Support

• Custom xPC Target Driver Notes

S-Function Guidelines

mdlStart and mdlTerminate Considerations

DMA Considerations

Passing Parameters

• Accessing Registers

• Creating Custom Drivers Using the xPC Target Driver Authoring Tool

I/O Structures - By Category

I/O Structures - Alphabetical List

• I/O Functions - By Category

I/O Functions - Alphabetical List

• Release Notes

Learn more about xPC Target

DMA Considerations

If your board directly accesses system RAM, such as a DMA controller, you must allocate that memory using the xpcAllocPhysicalMemory function. This function allocates the buffer such that the buffer virtual address is the same as its physical address.

mdlStart and mdlTerminate Considerations

mdlStart and mdlTerminate Considerations

Passing Parameters

Passing Parameters

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