USB with RTOS

We are using USB with FreeRTOS and having problems. RX compiler, RX651 MCU, and e2studio.

  • Is there any new documentation for USB and RTOS. We cannot find anything current.
  • Our USB works to a point. If only sending a byte now and then everything is fine. When we start taking measurements with the system, we want to stream data to the USB port. The USB will output 63 messages and then stop. The USB functions continue to run and when debugging, the data is being written to the port but there is no output. No errors are flagged. The callback stops firing. It's like the program went through the steps to send the data but never does. 
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