Global SX126xWaitOnBusy (void): This error should be reported to the main app
Global OnRadioRxDone (uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr): need callback for confirmed down
Global LoRaMacInitialization (LoRaMacPrimitives_t *primitives, LoRaMacCallback_t *callbacks, LoRaMacRegion_t region, eDeviceClass nodeClass=CLASS_A): Putting the RegionTxConfig here makes the OTAA join more stable
Global AS923_NUMB_CHANNELS_CF_LIST: should be 6
Global RU864_NUMB_CHANNELS_CF_LIST: should be 6