Iridium RP2040 Driver

[michaelshipman]

[michaelshipman]

Hopefully actually super simple looking at it

https://learn.adafruit.com/using-the-rockblock-iridium-modem?view=all

I guess you just spit a string over UART and then parse the string that you get back

[michaelshipman]

Libraries also exist for this but I find them less promising. With any luck this can also be fast to implement

[michaelshipman]

wrote something that I think can minimally work