Post date: 2019/01/02 15:45 に Takeshi Takaishi が投稿 [ 2019/01/02 15:55 に更新しました ]
USB OTG 接続で RaspiZeroWH を起動
PC と USB 接続することで電源供給と LAN 接続ができるので,NotePC でのデモの際に便利
dtoverlay=dwc2
modules-load=dwc2,g_ether
$ dmesg
...
[ XXX.XXXXXX] usb 2-1: new high-speed USB device number 4 using xhci_hcd
[ XXX.XXXXXX] usb 2-1: device descriptor read/64, error -110
[ XXX.XXXXXX] usb 2-1: New USB device found, idVendor=0525, idProduct=a4a2
[ XXX.XXXXXX] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ XXX.XXXXXX] usb 2-1: Product: RNDIS/Ethernet Gadget
[ XXX.XXXXXX] usb 2-1: Manufacturer: Linux 4.14.79+ with 20980000.usb
[ XXX.XXXXXX] cdc_subset: probe of 2-1:1.0 failed with error -22
[ XXX.XXXXXX] cdc_subset 2-1:1.1 usb0: register 'cdc_subset' at usb-0000:00:14.0-1, Linux Device, 2a:dc:XX:XX:XX:XX
[ XXX.XXXXXX] usbcore: registered new interface driver cdc_subset
[ XXX.XXXXXX] cdc_ether: probe of 2-1:1.0 failed with error -16
[ XXX.XXXXXX] usbcore: registered new interface driver cdc_ether
[ XXX.XXXXXX] cdc_subset 2-1:1.1 enp0s20u1i1: renamed from usb0
[ XXX.XXXXXX] IPv6: ADDRCONF(NETDEV_UP): enp0s20u1i1: link is not ready
$ lsusb
...
Bus 002 Device 004: ID 0525:a4a2 Netchip Technology, Inc. Linux-USB Ethernet/RNDIS Gadget
...
注意 : USB ホストケーブルが必要らしいが,実際は通常の通信用USBケーブル(100円)で動いた
Ref.