add support for Semtech LR1110 on Nucleo L476RG

src/RadioBoards.h

@@ -9,6 +9,9 @@
   #elif defined(ARDUINO_HELTEC_WIFI_LORA_32)
     #define RADIO_BOARD_WIFI_LORA32
 
+  #elif defined(NUCLEO_L476RG_SEMTECH_LR1110)
+    #define RADIO_BOARD_NUCLEO_L476RG_SEMTECH_LR1110
+
   #else
     #error "Unable to resolve board type automatically, please select one from the supported list"
 
@@ -26,6 +29,8 @@
   #include "maintained/SeeedStudio/WM1110.h"
 #elif defined(RADIO_BOARD_WIFI_LORA32)
   #include "maintained/Heltec/WiFi_LoRa32.h"
+#elif defined(RADIO_BOARD_NUCLEO_L476RG_SEMTECH_LR1110)
+  #include "contributed/Semtech/LR1110.h"  
 
 #else
   #error "Unsupported or unknown radio board!"

src/contributed/README.md

@@ -0,0 +1 @@
+Boards added by other people

src/contributed/Semtech/LR1110.h

@@ -0,0 +1,14 @@
+#if !defined(_RADIOBOARDS_CONTRIBUTED_SEMTECH_LR1110_H)
+#define _RADIOBOARDS_CONTRIBUTED_SEMTECH_LR1110_H
+
+// sources:
+// K4KDR hands-on testing w/ this hardware
+
+#define RADIO_BOARDS_NAME "Semtech LR1110"  // ** pin #'s when used w/ vendor recommended MCU: Nucleo L476RG
+
+#define RADIO_NSS     (D7)
+#define RADIO_IRQ     (D5)
+#define RADIO_RST     (A0)
+#define RADIO_GPIO    (D3)
+
+#endif