So I've been stumped trying to connect my windows 7 setup to the mpu 9250 through the ev_invarm_g eval board. I installed the driver included in Motion6.12 but have not been able to connect with the device with IDL. The data sheet's suggestions: 1) reinstall the driver (I did). 2) "Flash" the memory and reupload the firmware. Trying this requires additional hardware and software, but I had access to a SAM-ICE debugger and downloaded the Atmel Studio software.
Well, this software doesn't support the MCU included in the ARM board (AT91SAM7SE512) as it's obsolete according to Atmel. I tried the solutions specifically for this chip using jlink, and still no luck.
tl;dr I think it would be useful to use the tools from the manufacturer of the MCU in development, eg Atmel Studio, but this isn't possible with this eval board. Are there others that have worked with the 9250? Were you able to use the invensense library to access the values computed on chip (not just the "raw" vals)?
Thanks all