* isReceiving() now includes either preamble detect or header detect

src/helpers/CustomLLCC68.h

@@ -3,6 +3,7 @@
 #include <RadioLib.h>
 
 #define SX126X_IRQ_HEADER_VALID                     0b0000010000  //  4     4     valid LoRa header received
+#define SX126X_IRQ_PREAMBLE_DETECTED           0x04
 
 class CustomLLCC68 : public LLCC68 {
   public:
@@ -10,7 +11,7 @@ class CustomLLCC68 : public LLCC68 {
 
     bool isReceiving() {
       uint16_t irq = getIrqFlags();
-      bool hasPreamble = (irq & SX126X_IRQ_HEADER_VALID);
-      return hasPreamble;
+      bool detected = (irq & SX126X_IRQ_HEADER_VALID) || (irq & SX126X_IRQ_PREAMBLE_DETECTED);
+      return detected;
     }
 };

src/helpers/CustomLR1110.h

@@ -11,7 +11,7 @@ class CustomLR1110 : public LR1110 {
 
     bool isReceiving() {
       uint16_t irq = getIrqStatus();
-      bool hasPreamble = ((irq & LR1110_IRQ_HEADER_VALID) && (irq & LR1110_IRQ_HAS_PREAMBLE));
-      return hasPreamble;
+      bool detected = ((irq & LR1110_IRQ_HEADER_VALID) || (irq & LR1110_IRQ_HAS_PREAMBLE));
+      return detected;
     }
 };

src/helpers/CustomSX1262.h

@@ -3,6 +3,7 @@
 #include <RadioLib.h>
 
 #define SX126X_IRQ_HEADER_VALID                     0b0000010000  //  4     4     valid LoRa header received
+#define SX126X_IRQ_PREAMBLE_DETECTED           0x04
 
 class CustomSX1262 : public SX1262 {
   public:
@@ -10,7 +11,7 @@ class CustomSX1262 : public SX1262 {
 
     bool isReceiving() {
       uint16_t irq = getIrqFlags();
-      bool hasPreamble = (irq & SX126X_IRQ_HEADER_VALID);
-      return hasPreamble;
+      bool detected = (irq & SX126X_IRQ_HEADER_VALID) || (irq & SX126X_IRQ_PREAMBLE_DETECTED);
+      return detected;
     }
 };

src/helpers/CustomSX1268.h

@@ -3,6 +3,7 @@
 #include <RadioLib.h>
 
 #define SX126X_IRQ_HEADER_VALID                     0b0000010000  //  4     4     valid LoRa header received
+#define SX126X_IRQ_PREAMBLE_DETECTED           0x04
 
 class CustomSX1268 : public SX1268 {
   public:
@@ -10,7 +11,7 @@ class CustomSX1268 : public SX1268 {
 
     bool isReceiving() {
       uint16_t irq = getIrqFlags();
-      bool hasPreamble = (irq & SX126X_IRQ_HEADER_VALID);
-      return hasPreamble;
+      bool detected = (irq & SX126X_IRQ_HEADER_VALID) || (irq & SX126X_IRQ_PREAMBLE_DETECTED);
+      return detected;
     }
 };