Add UVC camera function profile

Author: tejado

README.md

@@ -10,6 +10,7 @@ Following USB gadgets are integrated:
 * Keyboard & Mouse (/dev/hidg0, /dev/hidg1)
 * FIDO CTAP (/dev/hidg0; for WebAuthn)
 * CCID (/dev/ccid_ctrl, /dev/ccid_bulk)
+* UVC camera (/dev/video?)
 
 USB Gadget Tool requires root permissions and a Kernel with ConfigFS support.
 Currently the app only enables the USB Gadget. For the usage of these device endpoints (e.g. /dev/hidg0) further apps are required (see Use-Cases).

app/src/main/assets/usbFunctionProfiles/CCID

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-GADGET="keyboard"
+GADGET="ccid"
 GADGET_PATH="____gadgetPath____"
 
 cd $GADGET_PATH/configs/

app/src/main/assets/usbFunctionProfiles/CTAP

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-GADGET="keyboard"
+GADGET="ctap"
 GADGET_PATH="____gadgetPath____"
 
 cd $GADGET_PATH/configs/

app/src/main/assets/usbFunctionProfiles/Mouse

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-GADGET="keyboard"
+GADGET="mouse"
 GADGET_PATH="____gadgetPath____"
 
 cd $GADGET_PATH/configs/

app/src/main/assets/usbFunctionProfiles/UVC

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+GADGET="camera"
+GADGET_PATH="____gadgetPath____"
+
+cd $GADGET_PATH/configs/
+CONFIG_PATH="$GADGET_PATH/configs/`ls -1 | head -1`/"
+STRINGS_PATH="$GADGET_PATH/strings/0x409/"
+FUNCTION_PATH="$GADGET_PATH/functions/uvc.usb0"
+
+mkdir -p $FUNCTION_PATH/control/header/h
+cd $FUNCTION_PATH
+
+ln -s control/header/h control/class/fs
+
+mkdir -p $FUNCTION_PATH/streaming/mjpeg/m/720p
+cd $FUNCTION_PATH/streaming/mjpeg/m/720p
+echo 5000000 > dwFrameInterval
+echo 1280 > wWidth
+echo 720 > wHeight
+echo 29491200 > dwMinBitRate
+echo 29491200 > dwMaxBitRate
+echo 1843200 > dwMaxVideoFrameBufferSize
+
+mkdir -p $FUNCTION_PATH/streaming/header/h
+cd $FUNCTION_PATH/streaming/header/h
+ln -s ../../mjpeg/m
+cd ../../class/fs
+ln -s ../../header/h
+cd ../../class/hs
+ln -s ../../header/h
+
+ln -s $FUNCTION_PATH $CONFIG_PATH/uvc.usb0

fastlane/metadata/android/en-US/full_description.txt

@@ -5,5 +5,6 @@ Following USB gadgets are integrated:
 * Keyboard & Mouse (<code>/dev/hidg0</code>, <code>/dev/hidg1</code>)
 * FIDO CTAP (<code>/dev/hidg0</code>; for WebAuthn)
 * CCID (<code>/dev/ccid_ctrl</code>, <code>/dev/ccid_bulk</code>)
+* UVC camera (<code>/dev/video?</code>)
 
 <i>USB Gadget Tool</i> requires root permissions and a Kernel with ConfigFS support. Currently the app only enables the USB Gadget. For the usage of these device endpoints (e.g. <code>/dev/hidg0</code>) further apps are required.