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--- products:sbc:vim3:configurations:usb-gadget [2024/10/15 23:47]
nick
+++ products:sbc:vim3:configurations:usb-gadget [2025/08/13 03:55] (current)
nick
@@ Line 4: / Line 4: @@
 This document mainly introduces USB gadget. You will learn how to configure and enable USB gadget Usage.
+<WRAP important >
+From version **1.7.5**, USB gadget is enabled by default, no need any setup, you can just skip the overlay and service setup.
+</WRAP>
 ===== System Configuration =====
@@ Line 28: / Line 32: @@
 overlays=uart3 pwm_f i2c3 os08a10 --> overlays=uart3 pwm_f i2c3 os08a10 otg-device
 ```
+<WRAP important >
+If you have issues, please try the extra steps below:
+```shell
+wget https://dl.khadas.com/.fixup/libcutils.so -O /tmp/libcutils.so
+sudo cp /tmp/libcutils.so /usr/lib
+```
+</WRAP>
 <tabbox VIM3/3L with 5.15 kernel>
@@ Line 51: / Line 65: @@
 sudo systemctl enable usb-gadget-khadas.service
 ```
-<WRAP important >
-If you have issues, please try the extra steps below:
-```shell
-wget https://dl.khadas.com/.fixup/libcutils.so -O /tmp/libcutils.so
-sudo cp /tmp/libcutils.so /usr/lib
-```
-</WRAP>
 Reboot to effect.
@@ Line 93: / Line 97: @@
 ```shell
+$ adb kill-server
 $ adb devices
 * daemon not running; starting now at tcp:5037
 * daemon started successfully
 List of devices attached
-e424e50	device
+363233573350    device
 $ adb shell
-#
+root@Khadas:/#
-#
+root@Khadas:/#
-# ls
+root@Khadas:/#
-bin   dev      etc   lib    mnt  proc  run   srv  tmp	   usr	zImage
+root@Khadas:/#
-boot  dtb.img  home  media  opt  root  sbin  sys  uInitrd  var
+root@Khadas:/# ls
-#
+bin                dtb.img     lib                proc                srv
+bin.usr-is-merged  etc         lib.usr-is-merged  root                sys
+boot               home        media              run                 tmp
+dev                Image       mnt                sbin                usr
+dtb                initrd.img  opt                sbin.usr-is-merged  var
 ```
+===== Troubleshooting =====
+If adb not work on windows, you can edit ''/usr/local/bin/usb-gadget'' to comment ''ln -s $F_RNDIS $GADGET/configs/c.1/'' and reboot.
+```diff
+diff --git a/archives/filesystem/special/VIM-COMMON/usr/local/bin/usb-gadget b/archives/filesystem/special/VIM-COMMON/usr/local/bin/usb-gadget
+index 520a9b9a..299569f0 100755
+--- a/usr/local/bin/usb-gadget
++++ b/usr/local/bin/usb-gadget
+@@ -57,7 +57,7 @@ echo "RNDIS" > $F_RNDIS/os_desc/interface.rndis/compatible_id
+ echo "5162001" > $F_RNDIS/os_desc/interface.rndis/sub_compatible_id
+ # Bind function to configuration
+-ln -s $F_RNDIS $GADGET/configs/c.1/
++#ln -s $F_RNDIS $GADGET/configs/c.1/
+ ln -s $GADGET/configs/c.1/ $GADGET/os_desc
+ # Enable the Gadget
+```

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