SIMCOM SIM7070G UART Support

[Dylan Van Assche]

Hi,

On Mon, 2022-10-10 at 10:15 +0200, Aleksander Morgado wrote:
> > > > 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.
> > > 
> > Yes, also I'm using libgpio, but my plan was to start the
> > connection from networkmanager and somehow automate the whole
> > sequence using ModemManager.
> > 
> 
> When exactly in the connection sequence do you need to toggle the
> GPIO? Is it required in the middle of a connection attempt? Or is the
> GPIO needed to "power up" the modem before it's controlled by
> ModemManager?
> 

I'm not familiar with this modem, but for the Quectel EG25-G found in
the Pine64 PinePhone and PinePhone Pro we have the eg25-manager [1]
which toggles the GPIO pins to boot the modem, etc. 

Dylan

[1] https://gitlab.com/mobian1/eg25-manager