This file contains information about the NI-845x software for Windows. Information in this file is organized in the following sections:
Documentation
Supported Platforms
Installing NI-845x
New Features and Changes
Bug Fixes
Additional Programming Topics
Errata
Documentation
The NI-845x Software and Hardware Installation Guide included with the NI-845x CD includes instructions for installing National Instruments hardware and software.
The NI-845x Hardware and Software Manual is the primary document for NI 845x products. This manual includes an introduction to I2C and SPI buses, specifications for hardware, information about how to get started with application development, and a complete reference for all NI-845x functions.
The NI-845x Hardware and Software Manual is in Adobe Acrobat Portable Document Format (PDF). You can download the Acrobat Reader for free at: www.adobe.com.
Open the manual from Start»All Programs»National Instruments»NI-845x.
Links to the NI-845x Hardware and Software Manual are in the online help for each NI-845x function within the National Instruments LabVIEW and LabWindows™/CVI; development environments.
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Supported PlatformsSupported Operating Systems
You can install and run this version of the NI-845x software on the following operating systems:
Windows 7 (32-bit and 64-bit)
Windows Vista (32-bit and 64-bit)
Windows XP (32-bit) SP2 or higher
Windows Server 2003 R2 (32-bit)
Windows Server 2008 R2 (64-bit)
The NI-845x installer does not support Windows NT/Me/2000/98/95 or the Windows Server non-R2 editions.
Note: Support for Windows Server 2003 R2 may require disabling physical address extensions (PAE). To learn how this may affect your use of Windows Server 2003 and what actions you may need to take, visit ni.com/info and enter the info code PAESupport.
Caution If you plan to perform an upgrade of your system from a prior version of Microsoft Windows to Microsoft Windows Vista, you are required to uninstall all National Instruments software prior to performing the upgrade. After the upgrade has been completed, you can reinstall your National Instruments software.
Supported Hardware
This version of the NI-845x software supports the following National Instruments hardware products:
National Instruments USB-8451 I2C/SPI Interface
National Instruments USB-8451 (OEM) I2C/SPI Interface
National Instruments USB-8452 (OEM) I2C/SPI Interface
The NI-845x software supports only National Instruments I2C and SPI hardware products. For information about software for I2C and SPI products from other vendors, refer to the documentation you received with those products.
Supported Development Environments
This version of the NI-845x software supports the following development environments:
Before installing the NI-845x software, log on as Administrator or as a user with Administrator privileges. The NI-845x software setup program must have Administrator privileges because the program modifies the configuration registry of your system. Complete the following steps to install the NI-845x software.
Insert the NI-845x software CD into your CD-ROM drive. The installer launches if your CD-ROM drive plays data CDs automatically. If the installer does not launch automatically, navigate to the CD using Windows Explorer and launch the autorun.exe file from your NI-845x software CD.
The installation wizard guides you through the necessary steps to install the NI-845x software. You can go back and change values where appropriate by clicking the Back button. You can exit the setup where appropriate by clicking Cancel.
When the installation is complete, click Finish.
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New Features and Changes from Previous Releases
The following changes were made to version 2.0 of the NI-845x software compared to NI-845x 1.1.5:
New Feature: Added support for the NI USB-8452 (OEM) device.
New Feature: SPI Streaming support (NI USB-8452 only).
New Feature: Onboard pullups for I2C (NI USB-8452 only).
New Feature: Increased clock rates for I2C and SPI (NI USB-8452 only).
New Feature: Support for I2C Fast Mode Plus and High Speed Mode (NI USB-8452 only).
Change: Improved multithreading support.
The following changes were made to version 1.1.5 of the NI-845x software compared to NI-845x 1.1.4:
New Feature: Added support for LabVIEW 2011 (32-bit).
Change: Removed support for LabVIEW 8.5.
Change: Dropped support for Windows XP prior to Service Pack 2.
The following changes were made to version 1.1.4 of the NI-845x software compared to NI-845x 1.1.3:
New Feature: Added support for LabVIEW 2010 (32-bit).
Change: Removed support for LabVIEW 8.2.
Change: Dropped support for Windows 2000.
The following changes were made to version 1.1.3 of the NI-845x software compared to NI-845x 1.1.2:
New Feature: Added support for LabVIEW 2009 (32-bit).
Change: Removed support for LabVIEW 7.1.
The following changes were made to version 1.1.2 of the NI-845x software compared to NI-845x 1.1.1:
New Feature: Added support for LabVIEW 8.6.
Change: Removed support for LabVIEW 8.0.
Change: Location of the C language interface and example files changed:
The language interface and example files for Microsoft Visual C/C++ 6.0 have moved from the Program Files\National Instruments\NI-845x\MS Visual C\ directory to the Users\Public\Documents\National Instruments\NI-845x\MS Visual C\ directory on Windows Vista and the Documents and Settings\All Users\Shared Documents\National Instruments\NI-845x\Examples\MS Visual C\ directory on Windows XP/2000. This change satisfies Windows Vista requirements when allowing users to save changes or add files to the directory.
The NIEXTCCOMPILERSUPP environment variable is provided as an alias to the location of C language support files (.h and .lib). You can use this variable when compiling and linking an application.
The following changes were made to version 1.1.1 of the NI-845x software compared to NI-845x 1.1:
New Feature: Added support for LabVIEW 8.5.
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Bug Fixes
The following items are the IDs and titles of a subset of issues fixed in a given release of the NI-845x Software. If you have a CAR ID, you can search this list to validate that the issue has been fixed. This is not an exhaustive list of issues fixed.
The following items were fixed between version 1.1.5 and version 2.0 of the NI-845x Software.
Bug ID
Fixed Issue
278688
Refnum constants/controls cannot be created for configurations, making it harder to create subVIs.
207029
NI 845x runs at half speed with two devices.
898939
NI 845x does not reference count LabVIEW open calls.
The following items were fixed between version 1.1.1 and version 1.1.2 of the NI-845x Software.
Bug ID
Fixed Issue
110899
Memory leak in NI-845x Create Config Reference and NI-845x Close Reference.
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Additional Programming TopicsMulti-Process Support
On Windows Vista and Windows 7, access to the NI USB-845x I2C/SPI Interface is limited to a single process. This means you cannot control a single NI USB-845x I2C/SPI interface from multiple executables at the same time.
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Errata to the NI-845x Hardware and Software Manual
None
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Copyright
Copyright 2005–2011 National Instruments. All rights reserved.
Under the copyright laws, this publication may not be reproduced or transmitted in any form, electronic or mechanical, including photocopying, recording, storing in an information retrieval system, or translating, in whole or in part, without the prior written consent of National Instruments Corporation.
National Instruments respects the intellectual property of others, and we ask our users to do the same. NI software is protected by copyright and other intellectual property laws. Where NI software may be used to reproduce software or other materials belonging to others, you may use NI software only to reproduce materials that you may reproduce in accordance with the terms of any applicable license or other legal restriction.
Trademarks
CVI, National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments trademarks.
The mark LabWindows is used under a license from Microsoft Corporation. Windows is a registered trademark of Microsoft Corporation in the United States and other countries.
Other product and company names mentioned herein are trademarks or trade names of their respective companies.
Patents
For patents covering the National Instruments products/technology, refer to the appropriate location: Help» Patents in your software, the patents.txt file on your media, or the National Instruments Patent Notice at ni.com/patents.
发表于 2022-1-11 15:56:18
