ublox SARA-U260 not showing up in mmcli

Brent Sink brents_3 at hotmail.com
Mon May 15 15:06:28 UTC 2017


Hi Aleksander,


> Could you try with the "mmtty" program from the ModemManager git

> repository (under /test) but using --send-delay=0 ? That would be the
> most similar way to simulate a "copy&paste" to minicom, as otherwise we
> may be sending the AT command characters one by one with 1ms between them.

Well, that works!  I can type in "AT" and it does write "AT", and when I use the verbose flag I see that it does write "OK" back.  Here is the output:

# ./mmtty -d /dev/ttyACM0 --send-delay=0 -v
creating AT capable serial port for device 'ttyACM0'...
disabling send delay...
opening serial port...
(ttyACM0) opening serial port...
(ttyACM0): setting up baudrate: 57600
(ttyACM0) device open count is 1 (open)
flashing serial port...
(ttyACM0): port attributes not fully set
ready
> AT
(ttyACM0): --> 'AT<LF><CR>'
(ttyACM0): <-- 'AT<LF><CR>'
(ttyACM0): <-- '<CR><LF>OK<CR><LF>'

>

...So, does mean I need to modify the code somewhere to disable the send delay?  Could you point me to where that may be in the code?  Thanks!


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