DAQmx examples 1.0

Date Added: August 28, 2013 | Visits: 599

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Examples of using matlab to talk to a National Instruments (NI)DAQ card _without_ the 'data acquisition toolbox'I have mainly used code and examples from Jens Roesner here:http://www.jr-worldwi.de/work/matlab/index.htmlHowever, I had to make a few slight tweaks to get it to work for me. I have only tested this on Matlab 7.8.0 (R2009a) on WinXP with a NI PCI 6220 board, so no guarantees.Using Jens' code, I got an error -200088 whenever I tried to create a channel. To get it working, I had to change the initial task handles to uint32([]) which then returned a pointer for taskhandleI also had trouble with creating tasks, then losing the taskhandle, and not being able to create the same task because of a name conflict. The solution is to not name any of the tasks - names don't seem to be useful anyway. So all my functions pass an empty string as a name.Other changes are just cosmetic -made functions for common tasks to simplify my main codeput all task handles in structure so easy to clear

Requirements: No special requirements

Platforms: Matlab

Keyword: Conflict, Creating, Handles, Losing, Taskhandle, Tasks, Trouble, Uint

Users rating: 0/10

License: Shareware

Size: 40.96 KB

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