increase repeater max uptime from 49 days to 136 years

examples/simple_repeater/MyMesh.cpp

@@ -149,7 +149,7 @@ int MyMesh::handleRequest(ClientInfo *sender, uint32_t sender_timestamp, uint8_t
     stats.n_packets_recv = radio_driver.getPacketsRecv();
     stats.n_packets_sent = radio_driver.getPacketsSent();
     stats.total_air_time_secs = getTotalAirTime() / 1000;
-    stats.total_up_time_secs = _ms->getMillis() / 1000;
+    stats.total_up_time_secs = uptime_millis / 1000;
     stats.n_sent_flood = getNumSentFlood();
     stats.n_sent_direct = getNumSentDirect();
     stats.n_recv_flood = getNumRecvFlood();
@@ -594,6 +594,8 @@ MyMesh::MyMesh(mesh::MainBoard &board, mesh::Radio &radio, mesh::MillisecondCloc
       , bridge(&_prefs, _mgr, &rtc)
 #endif
 {
+  last_millis = 0;
+  uptime_millis = 0;
   next_local_advert = next_flood_advert = 0;
   dirty_contacts_expiry = 0;
   set_radio_at = revert_radio_at = 0;
@@ -891,4 +893,9 @@ void MyMesh::loop() {
     acl.save(_fs);
     dirty_contacts_expiry = 0;
   }
+
+  // update uptime
+  uint32_t now = millis();
+  uptime_millis += now - last_millis;
+  last_millis = now;
 }

examples/simple_repeater/MyMesh.h

@@ -78,6 +78,8 @@ struct NeighbourInfo {
 
 class MyMesh : public mesh::Mesh, public CommonCLICallbacks {
   FILESYSTEM* _fs;
+  uint32_t last_millis;
+  uint64_t uptime_millis;
   unsigned long next_local_advert, next_flood_advert;
   bool _logging;
   NodePrefs _prefs;