that is for windriver though, honestly i have nothing against C code, but i would say labview should be much easier. Also, I believe when you update the code in the cRio to the default in LabView, it will change to Arcade drive. Anyways, in the Default code, just use the WPI Library at the bottom of the Functions Palette. It makes everything really simple. You can find relays under the actuators subgroup. In the WPI library, they have ready things like drive sytems and sensor subprograms. If you use this in conjunction with the manuals at The
cRio manual page, you should be off to a good start. Much easier than any other years past.