[GitHub] [nuttx] acassis commented on issue #8325: RNDIS/CDC-ECM/CDC-NCM

["acassis (via GitHub)" <gi...@apache.org>]

acassis commented on issue #8325:
URL: https://github.com/apache/nuttx/issues/8325#issuecomment-1407402516

   I posted in the mailing list how to get it working, I will duplicate the steps here for future reference:
   
   ```
   
   Configure your board:
   =====================
   
   $ ./tools/configure.sh stm32f4discovery:rndis
   
   Compile NuttX to your board:
   ============================
   
   $ make -j
   
   Flash to your board:
   ====================
   
   $ sudo openocd -f interface/stlink.cfg -f target/stm32f4x.cfg -c init -c "reset halt" -c "flash write_image erase nuttx.bin 0x08000000"
   Open On-Chip Debugger 0.11.0
   Licensed under GNU GPL v2
   For bug reports, read
   	http://openocd.org/doc/doxygen/bugs.html
   Info : auto-selecting first available session transport "hla_swd". To override use 'transport select <transport>'.
   Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD
   Info : clock speed 2000 kHz
   Info : STLINK V2J14S0 (API v2) VID:PID 0483:3748
   Info : Target voltage: 3.203144
   Info : stm32f4x.cpu: hardware has 6 breakpoints, 4 watchpoints
   Info : starting gdb server for stm32f4x.cpu on 3333
   Info : Listening on port 3333 for gdb connections
   target halted due to debug-request, current mode: Thread 
   xPSR: 0x01000000 pc: 0x08000188 msp: 0x20003f24
   Info : device id = 0x10036413
   Info : flash size = 1024 kbytes
   auto erase enabled
   wrote 262144 bytes from file nuttx.bin in 11.043253s (23.182 KiB/s)
   
   Info : Listening on port 6666 for tcl connections
   Info : Listening on port 4444 for telnet connections
   
   
   Reset your board
   ================
   
   Run dmesg to confirm that USB RNDIS device was detected:
   ========================================================
   
   [ 1099.821480] usb 3-3: new full-speed USB device number 12 using xhci_hcd
   [ 1099.972379] usb 3-3: New USB device found, idVendor=584e, idProduct=5342, bcdDevice= 0.01
   [ 1099.972389] usb 3-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
   [ 1099.972393] usb 3-3: Product: RNDIS gadget
   [ 1099.972396] usb 3-3: Manufacturer: NuttX
   [ 1099.972398] usb 3-3: SerialNumber: 1234
   [ 1099.988952] usbcore: registered new interface driver cdc_ether
   [ 1099.990144] rndis_host 3-3:1.0: skipping garbage
   [ 1099.990641] rndis_host 3-3:1.0: dev can't take 1558 byte packets (max 660), adjusting MTU to 602
   [ 1099.992089] rndis_host 3-3:1.0 eth0: register 'rndis_host' at usb-0000:00:14.0-3, RNDIS device, a0:e0:de:ad:ca:fe
   [ 1099.992102] usbcore: registered new interface driver rndis_host
   [ 1099.994026] usbcore: registered new interface driver rndis_wlan
   [ 1099.997001] rndis_host 3-3:1.0 enxa0e0deadcafe: renamed from eth0
   
   
   Configure your Ubuntu or other Linux distro to share network:
   =============================================================
   
   Click in the top right corner of your Ubuntu and go to:
   
   NuttX Ethernet -> Wired Settings
   
   Click in the 'Gear icon' and in the tab "IPv4" select: "Shared to other computers"
   
   Click on "Apply"
   
   Disconect and connect the USB cable to force it to get IP.
   
   Verify which IP your board got:
   ===============================
   
   $ tail -f /var/log/syslog
   ...
   Jan 28 10:30:24 dev dnsmasq-dhcp[35526]: DHCPDISCOVER(enxa0e0deadcafe) 00:e0:de:ad:ca:fe 
   Jan 28 10:30:24 dev dnsmasq-dhcp[35526]: DHCPOFFER(enxa0e0deadcafe) 10.42.0.86 00:e0:de:ad:ca:fe 
   Jan 28 10:30:24 dev dnsmasq-dhcp[35526]: DHCPREQUEST(enxa0e0deadcafe) 10.42.0.86 00:e0:de:ad:ca:fe 
   Jan 28 10:30:24 dev dnsmasq-dhcp[35526]: DHCPACK(enxa0e0deadcafe) 10.42.0.86 00:e0:de:ad:ca:fe nuttx
   Jan 28 10:30:29 dev systemd[1]: NetworkManager-dispatcher.service: Deactivated successfully.
   ^C
   
   Ping this IP to confirm it is working:
   ======================================
   
   alan@dev:~/nuttxspace/nuttx$ ping 10.42.0.86
   PING 10.42.0.86 (10.42.0.86) 56(84) bytes of data.
   64 bytes from 10.42.0.86: icmp_seq=1 ttl=64 time=0.809 ms
   64 bytes from 10.42.0.86: icmp_seq=2 ttl=64 time=0.849 ms
   ^C
   --- 10.42.0.86 ping statistics ---
   2 packets transmitted, 2 received, 0% packet loss, time 1027ms
   rtt min/avg/max/mdev = 0.809/0.829/0.849/0.020 ms
   
   Connect to your board over telnet:
   ==================================
   
   alan@dev:~/nuttxspace/nuttx$ telnet 10.42.0.86
   Trying 10.42.0.86...
   Connected to 10.42.0.86.
   Escape character is '^]'.
   
   NuttShell (NSH) NuttX-12.0.0
   nsh> 
   ```
   


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