Add AS923 band support for RAK2245 (#43)

Closes #41.

Author: sophiekovalevsky

layers/chirpstack/meta-chirpstack/recipes-chirpstack/chirpstack-network-server/chirpstack-network-server/config/as923.toml

@@ -0,0 +1,42 @@
+[general]
+log_level=4
+log_to_syslog=true
+
+[postgresql]
+dsn="postgres://chirpstack_ns:chirpstack_ns@localhost/chirpstack_ns?sslmode=disable"
+
+[network_server]
+net_id="000000"
+
+  [network_server.band]
+  name="AS923"
+
+  [[network_server.network_settings.extra_channels]]
+  frequency=923600000
+  min_dr=0
+  max_dr=5
+
+  [[network_server.network_settings.extra_channels]]
+  frequency=923800000
+  min_dr=0
+  max_dr=5
+
+  [[network_server.network_settings.extra_channels]]
+  frequency=924000000
+  min_dr=0
+  max_dr=5
+
+  [[network_server.network_settings.extra_channels]]
+  frequency=924200000
+  min_dr=0
+  max_dr=5
+
+  [[network_server.network_settings.extra_channels]]
+  frequency=924400000
+  min_dr=0
+  max_dr=5
+
+  [[network_server.network_settings.extra_channels]]
+  frequency=924600000
+  min_dr=0
+  max_dr=5

layers/targets/meta-raspberrypi/recipes-chirpstack/chirpstack-concentratord/files/sx1301/as923.toml

@@ -0,0 +1,20 @@
+# LoRa concentrator configuration.
+[gateway.concentrator]
+
+# Multi spreading-factor channels (LoRa).
+multi_sf_channels=[
+  923200000,
+  923400000,
+  923600000,
+  923800000,
+  924000000,
+  924200000,
+  924400000,
+  924600000,
+]
+
+# LoRa std channel (single spreading-factor).
+[gateway.concentrator.lora_std]
+frequency=924500000
+bandwidth=250000
+spreading_factor=7

layers/targets/meta-raspberrypi/recipes-chirpstack/chirpstack-concentratord/files/sx1301/as923_0.toml

@@ -132,15 +132,17 @@ do_setup_rak831() {
         1 "EU868" \
         2 "AU915" \
         3 "US915" \
+        4 "AS923" \
         3>&1 1>&2 2>&3)
     RET=$?
     if [ $RET -eq 1 ]; then
         do_main_menu
     elif [ $RET -eq 0 ]; then
         case "$FUN" in
-			1) do_copy_concentratord_config "sx1301" "generic_eu868" "GNSS" "eu868" "0" && do_copy_chirpstack_ns_config "eu868";;
-            2) do_select_au915_block "sx1301" "generic_au915" "GNSS";;
-            3) do_select_us915_block "sx1301" "generic_us915" "GNSS";;
+			      1) do_copy_concentratord_config "sx1301" "generic_eu868" "GNSS" "eu868" "0" && do_copy_chirpstack_ns_config "eu868";;
+            2) do_select_au915_block "sx1301" "generic_au915_gps";;
+            3) do_select_us915_block "sx1301" "generic_us915_gps";;
+            4) do_copy_concentratord_config "sx1301" "rak_2245_as923" "GNSS" "as923" "0" && do_copy_chirpstack_ns_config "as923";;
         esac
     fi
 }
@@ -255,7 +257,6 @@ do_select_au915_block() {
     fi
 }
 
-
 do_set_concentratord() {
 	monit stop chirpstack-concentratord
 	sed -i "s/CONCENTRATORD_VERSION=.*/CONCENTRATORD_VERSION=\"$1\"/" /etc/default/chirpstack-concentratord
@@ -301,7 +302,7 @@ do_copy_concentratord_config() {
         RET=$?
         if [ $RET -eq 0 ]; then
 			# set model
-			sed -i "s/model=.*/model=\"${2}\"/" /etc/chirpstack-concentratord/$1/global.toml	
+			sed -i "s/model=.*/model=\"${2}\"/" /etc/chirpstack-concentratord/$1/global.toml
 
 			# set model flags
 			IFS=' '; read -ra model_flags <<< $3
@@ -421,7 +422,7 @@ EOF
 }
 
 if [ $EUID -ne 0 ]; then
-   echo "This script must be run as root" 
+   echo "This script must be run as root"
    exit 1
 fi