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B.3 Setting up cellular packet data connection on Linux
This section describes how to set up a packet data connection on Linux (reference OS: Ubuntu 22.04)
on a PC connected with EVK-R6 and EVK-L6 over the USB interface of the modules. Follow the board
setup instructions described in section
modules. Use minicom or similar program to send AT commands via USB.
1. LARA-R6 and LARA-L6 use a non-standard USB specific class (Vendor Specific USB class). To
enumerate correctly on Linux hosts, use option driver:
/lib/modules/<kernel_version>/kernel/drivers/usb/serial/option.c
To check if the module is correctly enumerated, for LARA-R6 use
LARA-L6 in default mode, use
2.
Identify the ttyUSB* ports by
R6 enumerates the port as ttyUSB0: diagnostic, ttyUSB1/ttyUSB2: AT interface, ttyUSB3: GNSS
tunneling/AT interface varying on the +USIO configuration. In the example below, ttyUSB1 is
used.
UBX-21035387 - R03
C1-Public
1.8
to provide communication via the USB interface of the
lsusb -t -d 1546:1341
and then launch minicom to use this port. LARA-
ls /dev/ttyUSB*
Appendix
EVK-R6 and EVK-L6 - User guide
.
lsusb -t -d 05c6:908b;
.
for
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