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include guide for building GadgetFS

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This commit is contained in:
Frank Morgner
2013-06-09 23:22:16 +02:00
parent 31247640b9
commit 93542820d2
2 changed files with 40 additions and 4 deletions
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22
ccid/doc/README.txt.in
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@@ -68,8 +68,26 @@ Hints on GadgetFS
=================
To create a USB Gadget in both USB host and USB client mode, you need to load
the kernel module :program:`gadgetfs`. A guide focused on Debian based systems
to run and compile GadgetFS, you can find in the `OpenMoko Wiki`_.
the kernel module :program:`gadgetfs`. Here is how to get a running version of
GadgetFS on a Debian system (see also `OpenMoko Wiki`_)::
sudo apt-get install linux-source linux-headers-`uname -r`
sudo tar xjf /usr/src/linux-source-*.tar.bz2
cd linux-source-*/drivers/usb/gadget
# build dummy_hcd and gadgetfs
echo "KDIR := /lib/modules/`uname -r`/build" >> Makefile
echo "PWD := `pwd`" >> Makefile
echo "obj-m := dummy_hcd.o gadgetfs.o" >> Makefile
echo "default: " >> Makefile
echo -e "\t\$(MAKE) -C \$(KDIR) SUBDIRS=\$(PWD) modules" >> Makefile
make
# load GadgetFS with its dependencies
sudo modprobe udc-core
sudo insmod ./dummy_hcd.ko
sudo insmod ./gadgetfs.ko default_uid=`id -u`
# mount GadgetFS
sudo mkdir /dev/gadget
sudo mount -t gadgetfs gadgetfs /dev/gadget
On OpenMoko it is likely that you need to `patch your kernel
<http://docs.openmoko.org/trac/ticket/2206>`_. If you also want to switch