[SX126x] Added direct reception dummies

src/modules/SX126x/SX126x.cpp

@@ -1213,6 +1213,18 @@ uint8_t SX126x::random() {
   return(randByte);
 }
 
+void SX126x::setDirectAction(void (*func)(void)) {
+  // SX126x is unable to perform direct mode reception
+  // this method is implemented only for PhysicalLayer compatibility
+  return(0);
+}
+
+void SX126x::readBit(RADIOLIB_PIN_TYPE pin) {
+  // SX126x is unable to perform direct mode reception
+  // this method is implemented only for PhysicalLayer compatibility
+  return(0);
+}
+
 int16_t SX126x::setTCXO(float voltage, uint32_t delay) {
   // set mode to standby
   standby();

src/modules/SX126x/SX126x.h

@@ -887,6 +887,20 @@ class SX126x: public PhysicalLayer {
   */
    uint8_t random();
 
+   /*!
+     \brief Dummy method, to ensure PhysicalLayer compatibility.
+
+     \param func Ignored.
+   */
+   void setDirectAction(void (*func)(void));
+
+   /*!
+     \brief Dummy method, to ensure PhysicalLayer compatibility.
+
+     \param pin Ignored.
+   */
+   void readBit(RADIOLIB_PIN_TYPE pin);
+
 #ifndef RADIOLIB_GODMODE
   protected:
 #endif