This looks great! Thank you. I'll give it a try tonight.

I'm impressed you dug in deep enough into my code to figure out the packetCfg structure. I like factoryReset().

I really want to accept this PR but there's some issues.

• Serial.printf() doesn't compile. Please assume user has stock Arduino without printf wrapper.
• Use debug.print instead of Serial.print so that user can pipe debug to port of their choice.
• (Nit) Use a uint8_t instead of an int, save a byte.
• Split hard reset out to its own function. I use hard reset (cold start) to test TTFF more than I use factory reset.
• Some modules (ZED-F9P) have two UARTs. If would be nice to have setBaudRate() support multiple ports.

Overall, I like it a lot. Thanks for the help! I've got a SAM-M8Q working (surprisingly indoors) using serial. Works well.

Cool, I'll fix. Some of the issues are due to me using a Particle Mesh device, so it's "arduinoish".

I believe I addressed all your concerns. I cannot test setSerialRate on the second uart port as my devices don't have one. The code for this is simple, though. LMK if there's more you'd like see changed.

Excellent, excellent. All my concerns are addressed. Thank you very much.

You additions should be available in v1.2.0 soon. I modified Ex11 to use software serial as most users (made up statistic) don't have Serial1.