[RA4M1] build with LR11XX driver

Author: lyusupov

software/firmware/source/SoftRF/src/platform/RA4M1.cpp

@@ -48,7 +48,7 @@ lmic_pinmap lmic_pins = {
     .rxe = LMIC_UNUSED_PIN,
     .rst = SOC_GPIO_PIN_RST,
     .dio = {LMIC_UNUSED_PIN, LMIC_UNUSED_PIN, LMIC_UNUSED_PIN},
-    .busy = LMIC_UNUSED_PIN,
+    .busy = SOC_GPIO_PIN_BUSY,
     .tcxo = LMIC_UNUSED_PIN,
 };
 
@@ -132,6 +132,10 @@ static void RA4M1_setup()
       reset_info.reason = REASON_EXT_SYS_RST;
   }
 
+#if defined(USE_RADIOLIB)
+  lmic_pins.dio[0] = SOC_GPIO_PIN_DIO1;
+#endif /* USE_RADIOLIB */
+
 #if SOC_GPIO_RADIO_LED_TX != SOC_UNUSED_PIN
   pinMode(SOC_GPIO_RADIO_LED_TX, OUTPUT);
   digitalWrite(SOC_GPIO_RADIO_LED_TX, ! LED_STATE_ON);

software/firmware/source/SoftRF/src/platform/RA4M1.h

@@ -124,7 +124,7 @@ extern  SoftSPI RadioSPI;
 
 /* SX1276 */
 #define SOC_GPIO_PIN_RST      PIN_D9
-#define SOC_GPIO_PIN_BUSY     SOC_UNUSED_PIN
+#define SOC_GPIO_PIN_BUSY     LMIC_UNUSED_PIN
 #define SOC_GPIO_PIN_DIO1     PIN_D6
 
 /* RF antenna switch */
@@ -206,6 +206,9 @@ extern  SoftSPI RadioSPI;
 
 //#define USE_BASICMAC
 //#define EXCLUDE_SX1276         //  -  3 kb
+#if defined(ARDUINO_UNOR4_MINIMA)
+#define USE_RADIOLIB
+#endif /* ARDUINO_UNOR4_MINIMA */
 
 #if defined(EXCLUDE_WIFI)
 #define USE_OLED                 /* -1.5K HEAP */