Thread: PRS-600 Communication with "subcpu" (button and touchscreen controller)
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Old 10-04-2010, 03:57 PM   #56
igorsk
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Join Date: Sep 2006
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Device: PRS-500/505/700, Kindle, Cybook Gen3, Words Gear
It's a standard trick - messages are sent to/from the device using a custom SCSI command. See modules/usb_gadget/file_storage.c in the Sony sources (SC_SONY_EXTENDED).
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