Merge pull request #2213 from meshtastic/repeater-role

Start of repeater role with in firmware

src/gps/GPS.cpp

@@ -190,7 +190,6 @@ bool GPS::setupGPS()
             // Switch to Vehicle Mode, since SoftRF enables Aviation < 2g
             _serial_gps->write("$PCAS11,3*1E\r\n");
             delay(250);
-
         } else if (gnssModel == GNSS_MODEL_UBLOX) {
 
             /*
@@ -429,6 +428,10 @@ void GPS::publishUpdate()
 
 int32_t GPS::runOnce()
 {
+    // Repeaters have no need for GPS
+    if (config.device.role == meshtastic_Config_DeviceConfig_Role_REPEATER)
+        disable();
+
     if (whileIdle()) {
         // if we have received valid NMEA claim we are connected
         setConnected();

src/main.cpp

@@ -310,6 +310,10 @@ void setup()
     // but we need to do this after main cpu iniot (esp32setup), because we need the random seed set
     nodeDB.init();
 
+    // If we're taking on the repeater role, use flood router
+    if (config.device.role == meshtastic_Config_DeviceConfig_Role_REPEATER)
+        router = new FloodingRouter();
+
     playStartMelody();
 
     // fixed screen override?

src/mesh/Router.cpp

@@ -367,7 +367,6 @@ meshtastic_Routing_Error perhapsEncode(meshtastic_MeshPacket *p)
 {
     // If the packet is not yet encrypted, do so now
     if (p->which_payload_variant == meshtastic_MeshPacket_decoded_tag) {
-
         size_t numbytes = pb_encode_to_bytes(bytes, sizeof(bytes), &meshtastic_Data_msg, &p->decoded);
 
         // Only allow encryption on the text message app.

src/mesh/Router.h

@@ -73,9 +73,6 @@ class Router : protected concurrency::OSThread
      */
     void enqueueReceivedMessage(meshtastic_MeshPacket *p);
 
-  protected:
-    friend class RoutingModule;
-
     /**
      * Send a packet on a suitable interface.  This routine will
      * later free() the packet to pool.  This routine is not allowed to stall.
@@ -85,6 +82,9 @@ class Router : protected concurrency::OSThread
      */
     virtual ErrorCode send(meshtastic_MeshPacket *p);
 
+  protected:
+    friend class RoutingModule;
+
     /**
      * Should this incoming filter be dropped?
      *

src/modules/Modules.cpp

@@ -33,6 +33,7 @@
  */
 void setupModules()
 {
+    if (config.device.role != meshtastic_Config_DeviceConfig_Role_REPEATER) {
 #if HAS_BUTTON
         inputBroker = new InputBroker();
 #endif
@@ -78,6 +79,10 @@ void setupModules()
         externalNotificationModule = new ExternalNotificationModule();
 #endif
 
-    // NOTE! This module must be added LAST because it likes to check for replies from other modules and avoid sending extra acks
+        // NOTE! This module must be added LAST because it likes to check for replies from other modules and avoid sending extra
+        // acks
+    } else {
+        adminModule = new AdminModule();
+    }
     routingModule = new RoutingModule();
 }

src/modules/RoutingModule.cpp

@@ -24,6 +24,8 @@ bool RoutingModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, mesh
 
 meshtastic_MeshPacket *RoutingModule::allocReply()
 {
+    if (config.device.role == meshtastic_Config_DeviceConfig_Role_REPEATER)
+        return NULL;
     assert(currentRequest);
 
     // We only consider making replies if the request was a legit routing packet (not just something we were sniffing)