usb 1-1.4: configuration #1 chosen from 1 choice usb 1-1.4: new full speed USB device using uhci_hcd and address 7

as root, launch dmesg and find the /dev/sdaX device assigned to your board:.

If you have a recent Linux distribution, your device should be automatically mounted.

connect target's USB cable to your PC and,.

G_file_storage gadget-lun0: ro=0, file: /tmp/backing_file G_file_storage gadget: File-backed Storage Gadget, version: 28 November 2005 # modprobe g_file_storage file=/tmp/backing_file

load g_file_storage or g_mass_storage module (depending on your Linux version):.

copy this file (uncompressed) in the /tmp directory of your board (here my Host PC has 192.168.0.20 as IP tftp -g -r backing_file.gz -l /tmp/backing_file.gz 192.168.0.20.

create or get a 'backing storage file' ( for example).

If not here is how to add the missing one: Talk:USB_Gadget.

lib/modules/`uname -r`/kernel/drivers/usb/gadget/g_zero.ko For test lib/modules/`uname -r`/kernel/drivers/usb/gadget/g_serial.ko Serial emulation on USB lib/modules/`uname -r`/kernel/drivers/usb/gadget/g_file_storage.ko Mass storage lib/modules/`uname -r`/kernel/drivers/usb/gadget/g_ether.ko Ethernet emulation on USB lib/modules/`uname -r`/kernel/drivers/usb/gadget/gadgetfs.ko For test

you should have following modules in your kernel source tree:.

The drivers are now installed by default (since armadeus-3.0).

' device' keyword might need to be replaced by ' peripheral' on recent kernels. Your port will now work as an USB device. In order to activate the device mode, a new parameter has to be added to the U-Boot console variable:īIOS> setenv extrabootargs otg_mode=device

Software specifics for the APF27Dev, APF27 PPS, APF51Dev Warning: DO NOT CONNECT TWO HOST PORTS TOGETHER AND TAKE CARE TO USE THE RIGHT USB PORT ON THE APF27DEV !!

Only the High Speed Host port (top connector) can be configured as an USB Device. The APF27dev board is equipped with two USB host ports. You can connect your APF board to your PC using its USB Device port ( APF9328DevFull), a modified USB host port ( APF27Dev), or an USB OTG port put in device mode ( APF27 PPS, APF51Dev, APF28Dev, APF6Dev, OPOS6ULDev), and it can be 'enumerated' as most common USB devices (depending on the type of communication you want to use):Īt first, an USB A male / A male cable has to be used like this one: ĭo not use USB cable with integrated ferrite bead !! 1.2 Software specifics for the APF27Dev, APF27 PPS, APF51Dev.1.1 Hardware specifics for the APF27Dev.

Usb serial emulator linux