27 lines
1.4 KiB
Plaintext
27 lines
1.4 KiB
Plaintext
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-------------------------------------------------------------------------------
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* INFORMATION: *
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-------------------------------------------------------------------------------
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README file for "USB Mass Storage driver" that uses DDEkit and libblockdriver.
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created march-april 2014, JPEmbedded (info@jpembedded.eu)
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-------------------------------------------------------------------------------
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* KNOWN LIMITATIONS: *
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-------------------------------------------------------------------------------
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-Hardcoded interface number for bulk-only reset.
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-Hardcoded configuration number for simple enumeration.
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-Call to ddekit_minix_create_msg_q in _ddekit_usb_thread uses base that
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overlaps that of blockdriver's (in mass_storage_task) so initialization
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must be done in fixed order.
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-Some of DDEKit's functions are declared in source files as they are missing
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from headers.
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-DDEKit has 'init' but no 'deinit' call, so memory is spilled.
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-Hardcoded geometry.
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-LUN always set to 0.
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-SIGTERM handler uses exit instead of DDEkit semaphores.
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-mass_storage.conf taken from dde-linux26-usb-drivers.
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-Subpartitioning does not seem to work.
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-Type ddekit_usb_dev is not defined in any header file but two variants of it
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should exist (client and server).
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-Magic number in URB setup buffer assignment as there is no header for that
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(like usb_ch9.h for descriptors).
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