Interfacing arduino and l298n to labview

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hello, I'm making a project for controlling speed of dc motor using l298n with arduino and labview 2013. I'm facing problem while trying to interface the whole setup using labview.
I'm using digital pins 8 and 9 to control the direction of motor and pwm Pin 10 for controlling speed. I'm using arduino uno board and lifa for interfacing arduino. I'm unable to connect arduino through LINX. I uploaded simple blink code to arduino using lifa and it is working fine and all other devices are also working fine I've checked them. KIndly help me fix the issue

And what is “lifa”?
And what is “lifa” and “LINX”?

lifa - labview interface for

lifa - labview interface for arduino and LINX both are two different add ons that can be use to interface arduino with labview