LoRa: Improved handling of region selection

- This implements IOTCELL-697
- This touches API, but does not break it, old ones still work in a same manner!

Author: Antti Kauppila

features/lorawan/lorastack/phy/loraphy_target.h

@@ -18,37 +18,50 @@
 #ifndef LORAPHY_TARGET
 #define LORAPHY_TARGET
 
+#define EU868 0
+#define AS923 1
+#define AU915 2
+#define CN470 3
+#define CN779 4
+#define EU433 5
+#define IN865 6
+#define KR920 7
+#define US915 8
+#define US915_HYBRID 9
+
 #ifdef MBED_CONF_LORA_PHY
- #if MBED_CONF_LORA_PHY      == 0
+ #if MBED_CONF_LORA_PHY      == EU868
   #include "lorawan/lorastack/phy/LoRaPHYEU868.h"
   #define LoRaPHY_region LoRaPHYEU868
- #elif MBED_CONF_LORA_PHY    == 1
+ #elif MBED_CONF_LORA_PHY    == AS923
   #include "lorawan/lorastack/phy/LoRaPHYAS923.h"
   #define LoRaPHY_region LoRaPHYAS923
- #elif MBED_CONF_LORA_PHY    == 2
+ #elif MBED_CONF_LORA_PHY    == AU915
   #include "lorawan/lorastack/phy/LoRaPHYAU915.h"
  #define LoRaPHY_region LoRaPHYAU915;
- #elif MBED_CONF_LORA_PHY    == 3
+ #elif MBED_CONF_LORA_PHY    == CN470
   #include "lorawan/lorastack/phy/LoRaPHYCN470.h"
   #define LoRaPHY_region LoRaPHYCN470
- #elif MBED_CONF_LORA_PHY    == 4
+ #elif MBED_CONF_LORA_PHY    == CN779
   #include "lorawan/lorastack/phy/LoRaPHYCN779.h"
   #define LoRaPHY_region LoRaPHYCN779
- #elif MBED_CONF_LORA_PHY    == 5
+ #elif MBED_CONF_LORA_PHY    == EU433
   #include "lorawan/lorastack/phy/LoRaPHYEU433.h"
   #define LoRaPHY_region LoRaPHYEU433
- #elif MBED_CONF_LORA_PHY    == 6
+ #elif MBED_CONF_LORA_PHY    == IN865
   #include "lorawan/lorastack/phy/LoRaPHYIN865.h"
   #define LoRaPHY_region LoRaPHYIN865
- #elif MBED_CONF_LORA_PHY    == 7
+ #elif MBED_CONF_LORA_PHY    == KR920
   #include "lorawan/lorastack/phy/LoRaPHYKR920.h"
   #define LoRaPHY_region LoRaPHYKR920
- #elif MBED_CONF_LORA_PHY    == 8
+ #elif MBED_CONF_LORA_PHY    == US915
   #include "lorawan/lorastack/phy/LoRaPHYUS915.h"
   #define LoRaPHY_region LoRaPHYUS915
- #elif MBED_CONF_LORA_PHY    == 9
+ #elif MBED_CONF_LORA_PHY    == US915_HYBRID
   #include "lorawan/lorastack/phy/LoRaPHYUS915Hybrid.h"
   #define LoRaPHY_region LoRaPHYUS915Hybrid
+ #else
+  #error "Unsupported region, check your configuration."
  #endif //MBED_CONF_LORA_PHY == VALUE
 #else
  #error "Must set LoRa PHY layer parameters."

features/lorawan/mbed_lib.json

@@ -2,8 +2,8 @@
     "name": "lora",
     "config": {
         "phy": {
-            "help": "LoRa PHY region. 0 = EU868 (default), 1 = AS923, 2 = AU915, 3 = CN470, 4 = CN779, 5 = EU433, 6 = IN865, 7 = KR920, 8 = US915, 9 = US915_HYBRID",
-            "value": "0"
+            "help": "LoRa PHY region: EU868, AS923, AU915, CN470, CN779, EU433, IN865, KR920, US915, US915_HYBRID",
+            "value": "EU868"
         },
         "over-the-air-activation": {
             "help": "When set to 1 the application uses the Over-the-Air activation procedure, default: true",