This OutPort instruction sounds like an outdated function from the
time when operating systems allowed low level direct access to hardware.
We are currently working on a Mac version of the modules for our IO-
Warrior USB I/O controller chips (will be a few more weeks though).
The method for talking to a USB device from LabView is to call the
operating systems API or the API of the device (if any such is
provided by the device vendor) just like you would from any
programming language.
Am 19.03.2007 um 13:11 schrieb David Gaskell:
Hi,
I'm developing a program in LabView to communicate with a USB
device (Delcom-Cypress USB microcontroller). Has anyone here any
experience using LabView with USB devices?
I've found a function in LabView called OutPort the description
given is "This is used to copy data values to the system's physical
memory within the port I/O range beginning at the address
specified." The fuction takes a 16 bit address as an input and up
to 32 bits of data to transfer.
When I run the 'USB Prober' utility the USB device is recognised
successfully with the description 'Low Speed Device @6
(0x18210000) Composite Device......USB I/O Controller'. Is the hex
number here the port address? If that is the case then it's a 32bit
address which is too long to be used as the input of the OutPort
function?
Any advice would be much appreciated.
Thanks,
Dave.
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