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wiki/translated_sandbox/translated_usb-modeswitch.md

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Installing usb_modeswitch on a camera with fpv, lite and NVR hi3536[ed]v100 firmware

We check with the e3372h modem.

Camera:

curl -o /usr/sbin/usb_modeswitch http://fpv.openipc.net/files/usb-modeswitch/musl/usb_modeswitch && chmod +x /usr/sbin/usb_modeswitch
curl -o /usr/lib/libusb-1.0.so.0.3.0 http://fpv.openipc.net/files/usb-modeswitch/musl/libusb-1.0.so.0.3.0 && chmod +x /usr /lib/libusb-1.0.so.0.3.0
ln -s -f /usr/lib/libusb-1.0.so.0.3.0 /usr/lib/libusb-1.0.so
ln -s -f /usr/lib/libusb-1.0.so.0.3.0 /usr/lib/libusb-1.0.so.0

NVR:

ntpd-Nnq
curl -k -L -o /usr/sbin/usb_modeswitch https://github.com/OpenIPC/sandbox-fpv/raw/master/usb-modeswitch/musl/usb_modeswitch && chmod +x /usr/sbin/usb_modeswitch
curl -k -L -o /usr/lib/libusb-1.0.so.0.3.0 https://github.com/OpenIPC/sandbox-fpv/raw/master/usb-modeswitch/musl/libusb-1.0.so .0.3.0 && chmod +x /usr/lib/libusb-1.0.so.0.3.0
ln -s -f /usr/lib/libusb-1.0.so.0.3.0 /usr/lib/libusb-1.0.so
ln -s -f /usr/lib/libusb-1.0.so.0.3.0 /usr/lib/libusb-1.0.so.0
ln -s -f /lib/libc-2.32.so /lib/libc.so
alternative storage 

curl -o /usr/sbin/usb_modeswitch http://fpv.openipc.net/files/usb-modeswitch/glibc/usb_modeswitch && chmod +x /usr/sbin/usb_modeswitch
curl -o /usr/lib/libusb-1.0.so.0.3.0 http://fpv.openipc.net/files/usb-modeswitch/glibc/libusb-1.0.so.0.3.0 && chmod +x /usr /lib/libusb-1.0.so.0.3.0
ln -s -f /usr/lib/libusb-1.0.so.0.3.0 /usr/lib/libusb-1.0.so
ln -s -f /usr/lib/libusb-1.0.so.0.3.0 /usr/lib/libusb-1.0.so.0
ln -s -f /lib/libc-2.32.so /lib/libc.so

We enter this text for e3372h into the file /etc/network/interfaces.d/eth1 (we will create the file if it does not exist):

auto eth1
iface eth1 inet dhcp
    pre-up sleep 4
    pre-up if [ ! -z "`lsusb | grep 12d1:1f01`" ]; then usb_modeswitch -v 0x12d1 -p 0x1f01 -J; fi
    pre-up if [ ! -z "`lsusb | grep 12d1:14dc`" ]; then modprobe usbserial vendor=0x12d1 product=0x14dc; fi
    pre-up modprobe rndis_host
    pre-up sleep 2

We jerk the modem, try ifup eth1 or reboot. If the network has risen (there is eth1 in ip a), in interfaces we can replace manual with auto.

Problems

If usb_modeswitch switched the modem to cdc_ethernet, then when rebooting the system, for example, via reboot, the interface does not come up - error ip: SIOCGIFFLAGS: No such device. Therefore, if you need to completely reboot the system for the modem to work, you need to disconnect the power supply to the modem before rebooting.

Result

The e3372h modem with hilink firmware should be displayed as the eth1 network interface and, with a working SIM card inserted, distribute the Internet to the camera:

Trying to send message 1 to endpoint 0x01 ...
 OK, message successfully sent
Read the response to message 1 (CSW) ...
 Device seems to have vanished after reading. Good.
 Device is gone, skip any further commands
-> Run lsusb to note any changes. Bye!

udhcpc: started, v1.36.0
udhcpc: broadcasting discover
udhcpc: broadcasting discover
udhcpc: broadcasting discover
udhcpc: broadcasting discover
udhcpc: broadcasting select for 192.168.8.100, server 192.168.8.1
udhcpc: lease of 192.168.8.100 obtained from 192.168.8.1, lease time 86400
deleting routers
adding dns 192.168.8.1
adding dns 192.168.8.1
OK

ifconfig:

eth1 Link encap:Ethernet HWaddr 0C:5B:8F:27:9A:64
          inet addr:192.168.8.100 Bcast:192.168.8.255 Mask:255.255.255.0
          inet6 addr: fe80::e5b:8fff:fe27:9a64/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:34 errors:0 dropped:0 overruns:0 frame:0
          TX packets:806 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueue:1000
          RX bytes:4557 (4.4 KiB) TX bytes:822513 (803.2 KiB)