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Bulk device with DMA

Other Parts Discussed in Thread: TM4C1233H6PZ

Is there a version of the USB bulk device class driver using DMA instead of per packet transfer? I need a solution to transfer bigg chunks (around 1000  Bytes) using less CPU and a DMA based driver would be handy. I am thinking of using the mass storage device class driver as a reference but I'd rather avoid reinventing the wheel.