Hi Guys, I am working on a ADK project with Intel Curie based arduino 101 board. I am tring to use a MAX3421e based USB Host Shield(USB Host Shield Hardware Manual « Circuits@Home) to bridge the curie and android device, USB Host Shield is using SPI to communicate with arduino board, here you can find my modified lib of the USB Host Shield https://github.com/KitPan/USB_Host_Shield_2.0, and the issue is the SPI connection dose not working, always return FF when dose a read action. any ideas on this? what's the difference on the SPI interface of the arduino 101 board?
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