Alexey Orishko alexey.orishko at
Fri Oct 7 18:16:08 UTC 2022

On Fri, Oct 7, 2022 at 5:33 PM Jorge Solla <jorgesolla at> wrote:
> Using the typical ppp + chat script I managed to connect and get an IP on the ppp0 interface, is just I would like to do it using ModemManager.
For simple setups it might be enough to use pppd+chat scripts. You
could configure cat-m by using chat script.

> Different problem I forgot to mention in my initial post is: The modem requires to set a GPIO pin ON / OFF for a few seconds to be enabled: Is MM providing any kind of hook to insert calls to user utilities before the attempting the connection?
If you mean using your application CPU's GPIO (say to trigger power to
modem), you can use gpioset command from libgpiod in Linux.

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