USB-RNDIS Reference

1. Configure Kernel Menuconfig

  1. Enable Gadget Rndis Function

  2. Enable Sstar USB 2.0 Device

    (\< M> module, [ *]built-in, select all M to compile into module to generate ko, otherwise it is built-in, save and exit after configuration)

  3. Add ko to the insmod sequence, and then compile the SDK

    diff --git a/kbuild/customize/4.9.84/p3/dispcam/kernel_mod_list_late b/kbuild/customize/4.9.84/p3/dispcam/kernel_mod_list_late

index ca7284f..8ac16be 100755

--- a/kbuild/customize/4.9.84/p3/dispcam/kernel_mod_list_late
+++ b/kbuild/customize/4.9.84/p3/dispcam/kernel_mod_list_late
@@ -11,3 +11,11 @@ videobuf2-v4l2.ko
videobuf2-memops.ko
videobuf2-vmalloc.ko
uvcvideo.ko
+udc-core.ko
+libcomposite.ko
+u_ether.ko
+usb_f_ecm.ko
+usb_f_ecm_subset.ko
+usb_f_rndis.ko
+udc-msb250x.ko
+g_ether.ko，

    Necessary ko:

    udc-core.ko, libcomposite.ko, u_ether.ko, usb_f_ecm.ko, usb_f_ecm_subset.ko, usb_f_rndis.ko, udc-msb250x.ko, g_ether.ko

    2. Start USB Ethernet on the Board

  4. Load ko

    Related ko will be loaded when the board is powered on.

    Start usb0 Ethernet after loading:

    ifconfig usb0 up

  5. Connect to PC

    Use USB cable to connect the board and PC.

  6. Set USB0 ip

    ifconfig usb0 169.254.68.200 netmask 255.255.0.0

3. Install RNDIS Driver on PC

  1. Right-click on the "Computer" icon on the desktop, select "Manage"-"Device Management", you can see the "RNDIS Kitl" device, which is in the driver not installed state.

    A new serial port is generated under the port.

  2. Right-click the device, select Update Driver Software, select "Browse My Computer" in the prompt window of searching device software, and select Install RNDIS driver.

  3. Click Next and wait for the installation to complete. The RNDIS Kitl device is successfully installed.

  4. After the installation is successful, an Ethernet 4 will be added to the network connection.

    Configure the ipv4 address and the board in the same LAN.