Let SimRadio start receive a packet if its PortNum is Simulator_App

src/mesh/MeshService.cpp

@@ -123,6 +123,29 @@ void MeshService::reloadOwner()
  */
 void MeshService::handleToRadio(MeshPacket &p)
 {
+    #ifdef ARCH_PORTDUINO    
+    // Simulates device is receiving a packet via the LoRa chip
+    if (p.decoded.portnum == PortNum_SIMULATOR_APP) {
+        // Simulator packet (=Compressed packet) is encapsulated in a MeshPacket, so need to unwrap first
+        Compressed scratch;
+        Compressed *decoded = NULL;
+        if (p.which_payload_variant == MeshPacket_decoded_tag) {
+            memset(&scratch, 0, sizeof(scratch));
+            p.decoded.payload.size = pb_decode_from_bytes(p.decoded.payload.bytes, p.decoded.payload.size, &Compressed_msg, &scratch);
+            if (p.decoded.payload.size) {
+                decoded = &scratch;
+                // Extract the original payload and replace
+                memcpy(&p.decoded.payload, &decoded->data, sizeof(decoded->data));
+                // Switch the port from PortNum_SIMULATOR_APP back to the original PortNum 
+                p.decoded.portnum = decoded->portnum;
+            } else
+                DEBUG_MSG("Error decoding protobuf for simulator message!\n");
+        }
+        // Let SimRadio receive as if it did via its LoRa chip
+        SimRadio::instance->startReceive(&p); 
+        return; 
+    }
+    #endif
     if (p.from != 0) { // We don't let phones assign nodenums to their sent messages
         DEBUG_MSG("Warning: phone tried to pick a nodenum, we don't allow that.\n");
         p.from = 0;

src/mesh/MeshService.h

@@ -10,6 +10,9 @@
 #include "MeshTypes.h"
 #include "Observer.h"
 #include "PointerQueue.h"
+#ifdef ARCH_PORTDUINO
+#include "mesh/SimRadio.h"
+#endif
 
 /**
  * Top level app for this service.  keeps the mesh, the radio config and the queue of received packets.