… firmware from Microchip (repo: https://github.com/MicrochipTech/atsamr34_lorawan_rn_parser). Tested with MLS 1_0_P_6 (Parser_ECC608) and WLR089 Xplained Pro. Should be backwards-compatible with standard RN2xx3 modules.

…4 and autobaud for RN boards)

…both with RN2xx3 or SAMR34. Removed CheckModule.ino example, this procedure has been moved to DeviceInfo.ino, where it makes more sense.

Changes to TheThingsNetwork.cpp:
1. Added the mac_joineui command to mac_options, which is used to obtain the appeui in SAMR34 RN parser firmware
2. Added the mac_edclass command to mac_options, which is used to set the LoRaWAN class in SAMR34 parser firmware
3. Added getModemType and setModemType functions
4. Modified personalize: only perform soft reset on RN2xx3 boards
5. Modified provision: only perform soft reset on RN2xx3 boards
6. Modified provision: send mac set appeui or mac set joineui for RN2xx3 or SAMR34 boards, respectively
7. Modified provision: only send mac save on RN2xx3 boards
8. Modified setClass: send mac set class or mac set edclass for RN2xx3 or SAMR34 boards, respectively
9. Modified showStatus: optain appeui via mac get appeui or mac get joineui for RN2xx3 or SAMR34 boards, respectively

…s to automatically check modemType