49 lines
1.2 KiB
Bash
Executable File
49 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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GADGET_NAME=osmo-hub
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GADGET_CONFIGFS=/sys/kernel/config/usb_gadget
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die() {
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echo ERROR: $1
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exit 2
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}
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modprobe configfs
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modprobe usb_f_fs
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modprobe dummy_hcd is_high_speed=0 is_super_speed=0
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[ -d $GADGET_CONFIGFS ] || die "usb_gadget configfs not mounted"
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gadgetdir="$GADGET_CONFIGFS/$GADGET_NAME"
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# create gadget
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[ -d $gadgetdir ] || mkdir $gadgetdir || die "Cannot create $gadgetdir. Permission problem?"
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set -e -x
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cd $gadgetdir
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echo 0x2342 > idVendor
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echo 0x4200 > idProduct
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echo 0x09 > bDeviceClass
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echo 1 > bDeviceProtocol
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[ -d strings/0x409 ] || mkdir strings/0x409
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echo 2342 > strings/0x409/serialnumber
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echo "sysmocom GmbH" > strings/0x409/manufacturer
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echo "sysmoHUB" > strings/0x409/product
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# create config
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[ -d configs/c.1 ] || mkdir configs/c.1
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[ -d configs/c.1/strings/0x409 ] || mkdir configs/c.1/strings/0x409
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echo "sysmoHUB config" > configs/c.1/strings/0x409/configuration
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[ -d functions/ffs.usb0 ] || mkdir functions/ffs.usb0
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[ -e configs/c.1/ffs.usb0 ] || ln -s functions/ffs.usb0 configs/c.1
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[ -d /dev/ffs-hub ] || mkdir /dev/ffs-hub
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[ -e /dev/ffs-hub/ep0 ] || mount -t functionfs usb0 /dev/ffs-hub/
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# enable device, only works after program has opened EP FDs
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#echo dummy_udc.0 > UDC
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