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check the directory of “yocto/build” and Clean up and setup the linux-kernel configuration with commands:Īnd In the pop-up window of linux-kenel configuration, configure as follows On the Yocto, Configure the linux-kernel as below to set the USB controller in Host only mode, and enable the USB Mass Storage support. Some ideas and patches for that have been around for a while, e.g. In order to use larger images and properly emulate DVD media, the g_mass_storage would have to be extended.
#Usb mass storage driver win98se driver
If the filesystem driver on the USB host requests any sector beyond that, it will encounter I/O errors (" attempt to access beyond end of device"). 2.36GB / 2.2GiB), the driver will complain " file too big" and limit the usable range (sector count). In case the file size exceeds 1152000 2KiB blocks (approx. That means some restrictions, especially a hardcoded limit on the size of a backing (.iso) file. Note: As of Linux v4.7-rc2, the g_mass_storage driver can only emulate CD-ROM drives, not DVD-ROMs. (This can be useful with old PCs where the BIOS may have trouble starting from USB sticks, but supports booting via USB-CDROM.) # modprobe g_mass_storage file=/path/to/your-image-file.iso cdrom=y For this, your backing storage should be a suitable filesystem image - usually an. The g_mass_storage module can also present an optical drive to the USB host.
#Usb mass storage driver win98se mac os
Notes: Surprisingly it works well my Mac OS hosts (device automatically appears in Finder, I can copy and read files) but not with my Linux hosts (device appears and disappears constantly and cannot be mounted). We can now plug device to another host and use it as USB connected storage. # modprobe g_mass_storage file=/mass_storage Load g_mass_storage specifying storage to share (can also be a physical partition or a logical volume): It looks like g_mass_storage conflicts with g_ether, remove g_ether first (if previously loaded): rw-r-r- 1 root root 1.0G Feb 15 16:54 /mass_storageĮxporting mass storage / Loading the driver (on the device) dev/loop0 on /mnt type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=cp437,iocharset=ascii,shortname=mixed,errors=remount-ro)Īs we can see below, 1GB sparse file is only using 2.1MB storage (size of filesystem metadata): Test device # mount -t vfat /dev/loop0 /mnt/įilesystem Size Used Avail Use% Mounted on
#Usb mass storage driver win98se install
dev/loop0: :14867 (/mass_storage), offset 512įormat device # apt-get install dosfstools Set up loop device # losetup -o512 /dev/loop0 /mass_storage I/O size (minimum/optimal): 512 bytes / 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes To be recognized by most Operating Systems, create a single FAT type partition and format it as DOS filesystem using Linux loop device driver.Ĭreate a single partition # cat < See " Backing Storage for the Mass Storage Gadget" for full instructions and recommendations.īe aware that shared storage cannot be used in "read write" mode if both systems (device and host) are using it at same time except if you accept to corrupt your data.Īn existing physical partition or a logical volume can be used as shared storage device another option is to use a flat file as shared storage. You can now continue following manual build howto to continue kernel compilation and installation. Inventra Highspeed Dual Role Controller -> To enable this, follow same kernel building information as previous section USB Ethernet support but instead of compiling "Ethernet Gadget", select the following to "m": This allows your devices act as a USB mass storage like external hard drive or thumb drive.Ĭurrently, the g_mass_storage module is not compiled as part of default kernel configuration. #Usb mass storage driver win98se full
#Usb mass storage driver win98se manual