store SNR in received packets

src/rf95/RF95Interface.cpp

@@ -87,6 +87,14 @@ bool RF95Interface::reconfigure()
     return ERR_NONE;
 }
 
+/**
+ * Add SNR data to received messages
+ */
+void RF95Interface::addReceiveMetadata(MeshPacket *mp)
+{
+    mp->rx_snr = lora->getSNR();
+}
+
 void RF95Interface::setStandby()
 {
     int err = lora->standby();

src/rf95/RF95Interface.h

@@ -45,6 +45,10 @@ class RF95Interface : public RadioLibInterface
      */
     virtual void startReceive();
 
+    /**
+     * Add SNR data to received messages
+     */
+    virtual void addReceiveMetadata(MeshPacket *mp);
   private:
     void setStandby();
 };

src/rf95/RadioLibInterface.cpp

@@ -185,6 +185,7 @@ void RadioLibInterface::handleReceiveInterrupt()
                 mp->from = h->from;
                 mp->to = h->to;
                 mp->id = h->id;
+                addReceiveMetadata(mp);
 
                 if (!pb_decode_from_bytes(payload, payloadLen, SubPacket_fields, p)) {
                     DEBUG_MSG("Invalid protobufs in received mesh packet, discarding.\n");
@@ -193,7 +194,7 @@ void RadioLibInterface::handleReceiveInterrupt()
                 } else {
                     // parsing was successful, queue for our recipient
                     mp->has_payload = true;
-                    txGood++;
+                    rxGood++;
 
                     deliverToReceiver(mp);
                 }

src/rf95/RadioLibInterface.h

@@ -116,4 +116,9 @@ class RadioLibInterface : public RadioInterface
     /**
      * If a send was in progress finish it and return the buffer to the pool */
     void completeSending();
+
+    /**
+     * Add SNR data to received messages
+     */
+    virtual void addReceiveMetadata(MeshPacket *mp) = 0;
 };

src/rf95/SX1262Interface.cpp

@@ -79,6 +79,13 @@ void SX1262Interface::setStandby()
     disableInterrupt();
 }
 
+/**
+ * Add SNR data to received messages
+ */
+void SX1262Interface::addReceiveMetadata(MeshPacket *mp) {
+    mp->rx_snr = lora.getSNR();
+}
+
 void SX1262Interface::startReceive()
 {
     setStandby();

src/rf95/SX1262Interface.h

@@ -43,7 +43,10 @@ class SX1262Interface : public RadioLibInterface
      * Start waiting to receive a message
      */
     virtual void startReceive();
-
+    /**
+     * Add SNR data to received messages
+     */
+    virtual void addReceiveMetadata(MeshPacket *mp);
   private:
     void setStandby();
 };