Dropped support for SX127x-based ground stations (#10)

Code/GroundStation/GroundStation.ino

@@ -1,9 +1,9 @@
 /*
  * FOSSA Ground Station Example
  *
- * Tested on Arduino Uno and SX1278, can be used with any LoRa radio
- * from the SX127x or SX126x series. Make sure radio type (line 21)
- * and pin mapping (lines 26 - 29) match your hardware!
+ * Tested on Arduino Uno and SX1268, can be used with any LoRa radio
+ * from the SX126x series. Make sure radio type (line 37)
+ * and pin mapping (lines 23 - 25) match your hardware!
  *
  * References:
  *
@@ -19,29 +19,22 @@
 #include <RadioLib.h>
 #include <FOSSA-Comms.h>
 
-#define RADIO_TYPE        SX1278  // type of radio module to be used
-//#define RADIO_SX126X            // also uncomment this line when using SX126x!!!
-
 // pin definitions
 #define CS                10
-#define DIO0              2
-#define DIO1              3
+#define DIO1              2
 #define BUSY              9
 
 // modem configuration
 #define FREQUENCY         436.7   // MHz
 #define BANDWIDTH         125.0   // kHz
 #define SPREADING_FACTOR  11
 #define CODING_RATE       8       // 4/8
-#define SYNC_WORD_7X      0xFF    // sync word when using SX127x
-#define SYNC_WORD_6X      0x0F0F  //                      SX126x
+#define SYNC_WORD         0x0F0F  // sync word
+#define OUTPUT_POWER      21      // dBm
+#define CURRENT_LIMIT     200     // mA
 
 // set up radio module
-#ifdef RADIO_SX126X
-  RADIO_TYPE radio = new Module(CS, DIO0, BUSY);
-#else
-  RADIO_TYPE radio = new Module(CS, DIO0, DIO1);
-#endif
+SX1268 radio = new Module(CS, DIO1, BUSY);
 
 // flags
 volatile bool interruptEnabled = true;
@@ -199,19 +192,14 @@ void setup() {
   Serial.println(F("FOSSA Ground Station Demo Code"));
 
   // initialize the radio
-  #ifdef RADIO_SX126X
-  int state = radio.begin(FREQUENCY,
-                          BANDWIDTH,
-                          SPREADING_FACTOR,
-                          CODING_RATE,
-                          SYNC_WORD_6X);
-  #else
   int state = radio.begin(FREQUENCY,
                           BANDWIDTH,
                           SPREADING_FACTOR,
                           CODING_RATE,
-                          SYNC_WORD_7X);
-  #endif
+                          SYNC_WORD,
+                          OUTPUT_POWER,
+                          CURRENT_LIMIT);
+
   if(state == ERR_NONE) {
     Serial.println(F("Radio initialization successful!"));
   } else {
@@ -221,11 +209,7 @@ void setup() {
   }
 
   // attach the ISR to radio interrupt
-  #ifdef RADIO_SX126X
   radio.setDio1Action(onInterrupt);
-  #else
-  radio.setDio0Action(onInterrupt);
-  #endif
 
   // begin listening for packets
   radio.startReceive();
@@ -272,11 +256,7 @@ void loop() {
     }
 
     // set radio mode to reception
-    #ifdef RADIO_SX126X
     radio.setDio1Action(onInterrupt);
-    #else
-    radio.setDio0Action(onInterrupt);
-    #endif
     radio.startReceive();
     interruptEnabled = true;
   }
@@ -392,7 +372,7 @@ void loop() {
       }
 
     } else {
-      Serial.println(F("Reception failed, code "));
+      Serial.print(F("Reception failed, code "));
       Serial.println(state);
 
     }