bMaxPacketSize0 is maximal size of packet which can be
used for communication with ep0. As most people use digital
format for size, lets use digital format for both
initialization of this member in gadget atributes and for
printing it in show-gadgets.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
bcdUSB and bcdDevice members should be interpreted as BCD.
So let's print them as BCD instea of HEX.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Insert blank lines between all cases in switch statements that branch
on attribute types.
Signed-off-by: Dominic Sacré <dominic.sacre@gmx.de>
Reviewed-by: Pawel Szewczyk <p.szewczyk@samsung.com>
[Update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Mass storage functions has been recently added to libusbgx
so update show-gadgets example to show also attributes of
mass storage function.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Reviewed-by: Pawel Szewczyk <p.szewczyk@samsung.com>
We would like to eliminate static buffers from function
attributes. To achieve this we should ensure that there
is some function which free the memory allocated
in usbg_get_function_attrs()
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Reviewed-by: Pawel Szewczyk <p.szewczyk@samsung.com>
Reviewed-by: Philippe De Swert <philippedeswert@gmail.com>
This commit adds usbg_f_attrs_header which allows
to identify which union field is currently in use.
This allows to eliminate all switch() constructions
with list of all functions types for accessing
function attributes. Now, much more readable and
shorter enum with possible attribute types is used.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Reviewed-by: Pawel Szewczyk <p.szewczyk@samsung.com>
Reviewed-by: Philippe De Swert <philippedeswert@gmail.com>
Using string as udc identifier provides a lot
of troubles. To be more consistent with rest of
API rework it to start using usbg_udc structure
instead of using char *.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Changes since v1:
Fix show-gadgets example: get attributes before dereferencing them
Reported-by: Philippe De Swert <philippe.deswert@jollamobile.com>
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Naming convention of Config FS should not be exposed
to user of library. All API functions should use
configuration ID (configuration number) as unique
identificator and configuration label as human
readable description.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
User of library should not use directly function name but
only type of the function and name of instance. Using this
will separate user for naming convention on Config FS.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Examples provided with the library should use returned
error codes and provide information to user.
Remove todo baceuse it has been already done.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Assumption that all malloc() and read()/write() finish correctly
is too bold. Errors should be handled and propagated to upper
layers of library and returned to user.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Config strings should not be cached in library.
Removing internal strings structure allowed to add
full support for multilingual strings.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Gadget strings should not be cached in library.
Removing internal strings structure allowed to add
full support for multilingual strings.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Switch form struct * to typedef usbg_* to provide convenient
API for user.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Hide definition of binding structure to avoid direct
access to its fields. Rename it to usbg_binding.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Hide definition of function structure to avoid direct
access to its fields. Rename it to usbg_function.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Hide definition of config structure to avoid direct
access to its fields. Rename it to usbg_confg.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Remove definition of gadget structure to avoid direct
access to its fields. Rename that structure to usbg_gadget.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Hide definition of state structure to avoid direct
access to its fields. Rename it to usbg_state.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Configuration, its attributes and strings are all logically
independent so should be placed in separate structures.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Gadget strings are not logically part of gadget, so should
be separated.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Rename all gadget attributes to be consistent with usb
standard and libusb. Change also field size and order
to allow direct memcpy from libusb_device_descriptor.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Gadget attributes should be placed in external structure
because they are almost that same as USB device descriptor.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
[Port from libusbg and update description]
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Update documentation and example source code to reflect use of the
standard /sys/kernel/config mount point for configfs.
Signed-off-by: Matt Porter <mporter@linaro.org>
Rename library to libusbg. Moves the API include to usbg.h and
accordingly changes all API prefixes to usbg_*().
Signed-off-by: Matt Porter <mporter@linaro.org>
