From 648b455cfffff0de279025c3f96f4d3ca40dd041 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Grome=C5=A1?= <jgromes@users.noreply.github.com>
Date: Tue, 26 Mar 2024 06:57:25 +0100
Subject: [PATCH] [LoRaWAN] Added array of supported bands (#1032)

---
 src/protocols/LoRaWAN/LoRaWAN.h        | 23 +++++++++++++++++++++++
 src/protocols/LoRaWAN/LoRaWANBands.cpp | 22 +++++++++++-----------
 2 files changed, 34 insertions(+), 11 deletions(-)

diff --git a/src/protocols/LoRaWAN/LoRaWAN.h b/src/protocols/LoRaWAN/LoRaWAN.h
index 0aab1fa7a..875ac7cb2 100644
--- a/src/protocols/LoRaWAN/LoRaWAN.h
+++ b/src/protocols/LoRaWAN/LoRaWAN.h
@@ -392,6 +392,29 @@ extern const LoRaWANBand_t AS923;
 extern const LoRaWANBand_t KR920;
 extern const LoRaWANBand_t IN865;
 
+/*!
+  \struct LoRaWANBandNum_t
+  \brief IDs of all currently supported bands
+*/
+enum LoRaWANBandNum_t {
+  BandEU868,
+  BandUS915,
+  BandCN780,
+  BandEU433,
+  BandAU915,
+  BandCN500,
+  BandAS923,
+  BandKR920,
+  BandIN865,
+  BandLast
+};
+
+// provide easy access to the number of currently supported bands
+#define RADIOLIB_LORAWAN_NUM_SUPPORTED_BANDS      (BandLast - BandEU868)
+
+// array of currently supported bands
+extern const LoRaWANBand_t* LoRaWANBands[];
+
 /*!
   \struct LoRaWANMacCommand_t
   \brief Structure to save information about MAC command
diff --git a/src/protocols/LoRaWAN/LoRaWANBands.cpp b/src/protocols/LoRaWAN/LoRaWANBands.cpp
index ad0b1b9ee..eaeb0841a 100644
--- a/src/protocols/LoRaWAN/LoRaWANBands.cpp
+++ b/src/protocols/LoRaWAN/LoRaWANBands.cpp
@@ -2,17 +2,17 @@
 
 #if !RADIOLIB_EXCLUDE_LORAWAN
 
-enum LoRaWANBandNum_t {
-  BandNone,
-  BandEU868,
-  BandUS915,
-  BandCN780,
-  BandEU433,
-  BandAU915,
-  BandCN500,
-  BandAS923,
-  BandKR920,
-  BandIN865
+// array of pointers to currently supported LoRaWAN bands
+const LoRaWANBand_t* LoRaWANBands[RADIOLIB_LORAWAN_NUM_SUPPORTED_BANDS] = {
+  &EU868,
+  &US915,
+  &CN780,
+  &EU433,
+  &AU915,
+  &CN500,
+  &AS923,
+  &KR920,
+  &IN865,
 };
 
 const LoRaWANBand_t EU868 = {