MATLAB XPC TARGET 4 - DEVICE DRIVERS User's Guide download pdf (Page 43)

Sample Driver Mask

The following is the block mask for the Diamond MM-32 Analog Input block.

If you were to create this mask as a new mask, you would:

1 Open the M ask Edito r for the block.

2 Select the Param ete rs tab and click the Add button on the left three times.

Three blank lines appear in the Dialog parameters section. Fill them in as

follows, starting with the first line :

• In the Prompt column, enter

Channel configuration

First channel number:

4-7

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 110 111

Device Drivers 1
508-647-7000 (Phone) 2
508-647-7001 (Fax) 2
The MathWorks, Inc 2
3 Apple Hill Drive 2
Natick, MA 01760-2098 2
Revision History 3
Contents 5
Driver Authoring Tool 7
I/O Structures — By Category 8
I/O Functions — By Category 8
Customizing xPC Target 9
Introduction 10
References 12
Source Code 13
MathWorks Consulting 13
Third-Party Directory 14
Block mask 15
Mask editor 15
Mask initialization (M-file) 15
Before You Star t 16
- I/O port mapped 16
- Memory address mapped 16
- Input and output ports 17
- Mask parameters 17
Register Access 18
Inlining xPC Target Drivers 18
Creating a Custom Driver 19
Creating a C ustom Driver 21
Debugging Notes 24
PCI Drivers 25
PCI Bus Considerations 26
PCI Configuration Space API 27
2 PCI Drivers 28
Sample PCI Device Driver 32
ISA and PC/104 Drivers 33
3 ISA and PC/104 Drivers 34
Memory Mapped 35
Masking Drivers 37
4 Masking Drivers 38
Driver Mask Guidelines 39
Cross-Block Checking 41
When You Are Done 42
Sample Driver Mask 43
Interrupt Support 49
5 Interrupt Support 50
Adding Interrupt Support 55
6 Save and close the file 57
- Async IRQ Source block 59
• your_company_name_boardStop 63
PostHook 64
Argument 66
See Also xpcPCIDevice 66
Custom xPC Target Driver 69
S-Function Guidelines 70
DMA Considerations 73
Passing Parameters 74
Accessing Registers 75
• Structure 76
Creating Custom Drivers 77
Using the xPC T arget 77
Setting Up Driver Variables 80
3 In the M ain tab, enter: 81
Saving the Configuration 83
Reloading the Configuration 84
Creating the C File Template 84
3 Click the Build button 85
I/O Structures — By 87
Category 87
I/O Structures — By Catego ry 88
I/O Structures — 89
Alphabetical List 89
BaseAddress to a virtual 92
VirtAddress field 92
I/O Functions — By 95
Por t I/O 96
PCI Configur 96
Physical Memory 96
Miscellaneous 97
I/O Functions — By C atego ry 98
I/O Functions — 99
Free physical memory 102
Free specified m e mory 102
Arguments 103
XPC_NO_SUB for s ubDeviceId 105
See Also xpcGetPCIDeviceInfo 110

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MATLAB XPC TARGET 4 - DEVICE DRIVERS User's Guide Page 43

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