Add support for AU915 dual plan

main/ttn.cpp

@@ -328,8 +328,11 @@ void ttn_join(void) {
 #elif defined(CFG_au915)
 
   // set sub band for AU915
+  // before 2022-11-17 Helium was using FSB2 CH 8-15 (916.8 - 918.2 MHz uplink)
   // https://github.com/TheThingsNetwork/gateway-conf/blob/master/AU-global_conf.json
-  LMIC_selectSubBand(1);
+  // LMIC_selectSubBand(1);
+  // after 2022-11-17 Helium switched to DualPlan using FSB6 CH 40-47 (923.2 - 924.6 MHz uplink)
+  LMIC_selectSubBand(5);
 
 #endif
 

platformio.ini

@@ -19,7 +19,8 @@ build_flags = -Wall
 	-Wextra
 	-Wno-missing-field-initializers -O3
 	-D CFG_us915=1
-;	 -D CFG_eu868=1
+;	-D CFG_eu868=1
+;	-D CFG_au915=1
 	-D CFG_sx1276_radio=1
 	-D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS
 	-D ARDUINO_TTGO_LoRa32_V1
@@ -32,6 +33,7 @@ lib_deps =
 
 monitor_speed = 115200
 ; monitor_port = COM17
+; upload_speed = 921600
 ; upload_port = COM17
 
 [env:release]