Wireless Module Driver User Guide For EmbeddedLinux
All Rights reserved, No Spreading abroad without Permission of ZTEWelink
7
MW3820
2.4
Build the kernel
Build kernel, and flash this kernel file to target board, reboot target board.
2.5
Verify whether modem driver is loaded
After reboot target system, Plug in the modem, then driver can be loaded successfully now. Although
it is not necessary to verify the result of the driver integration step above, if you want to be sure that the
driver is now associated with your modem. Attach the modem to the target board and run the following on
the command-line:
“dmesg|grep -i ttyUSB”
You should see something like:
usb 2-1.3: generic converter now attached to ttyUSB0
usb 2-1.3: generic converter now attached to ttyUSB1
usb 2-1.3: generic converter now attached to ttyUSB2
This LOG indicates the usb serial driver has been loaded. In general, each ZTE modem has multi interface.
Table 2-1
PID:0xFFEB
(MW3820)
0
Diag interface
/dev/ttyUSB0
1
Modem interface
/dev/ttyUSB1
2
AT interface
/dev/ttyUSB2