I sent Kauailabs an email and got this response:
Quote:
Once the RoboRIO firmware got updated to the 2016 firmware version, the USB connectivity to the navX-MXP stopped working. We still don't have any word on a resolution to this issue, and unfortunately I've been informed that this isn't a high priority issue from the WPI/National Instruments perspective (since the serial over USB support is not 'official').
For that reason, we're encouraging teams to use the SPI interface, or if that isn't feasible to use the I2C or TTL UART interfaces.
We do still recommend that the USB cable between the RoboRIO and the navX-MXP be left connected, because this will ensure that the navX-MXP power is maintained even if a RoboRIO stage 2 brownout occurs. More info on that is discussed in item #2 in the navX-MXP Best Practices page.
- scott
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