[RF69] Added direct reception support

src/modules/RF69/RF69.cpp

@@ -819,6 +819,14 @@ uint8_t RF69::random() {
   return(randByte);
 }
 
+void RF69::setDirectAction(void (*func)(void)) {
+  setDio1Action(func);
+}
+
+void RF69::readBit(RADIOLIB_PIN_TYPE pin) {
+  updateDirectBuffer((uint8_t)digitalRead(pin));
+}
+
 int16_t RF69::getChipVersion() {
   return(_mod->SPIgetRegValue(RF69_REG_VERSION));
 }

src/modules/RF69/RF69.h

@@ -869,6 +869,20 @@ class RF69: public PhysicalLayer {
    */
     int16_t getChipVersion();
 
+    /*!
+      \brief Set interrupt service routine function to call when data bit is receveid in direct mode.
+
+      \param func Pointer to interrupt service routine.
+    */
+    void setDirectAction(void (*func)(void));
+
+    /*!
+      \brief Function to read and process data bit in direct reception mode.
+
+      \param pin Pin on which to read.
+    */
+    void readBit(RADIOLIB_PIN_TYPE pin);
+
 #if !defined(RADIOLIB_GODMODE) && !defined(RADIOLIB_LOW_LEVEL)
   protected:
 #endif