From 61be70849a9a2f123b4b1e0146a1ee05a261ddb5 Mon Sep 17 00:00:00 2001
From: Wolfram Keil <keil@keil.systems>
Date: Thu, 27 Aug 2026 21:38:46 +0200
Subject: [PATCH] Add board loop hook for periodic work

---
 examples/simple_repeater/main.cpp | 2 ++
 examples/simple_sensor/main.cpp   | 2 ++
 src/MeshCore.h                    | 4 ++++
 3 files changed, 8 insertions(+)

diff --git a/examples/simple_repeater/main.cpp b/examples/simple_repeater/main.cpp
index 1f71da74..d475b13d 100644
--- a/examples/simple_repeater/main.cpp
+++ b/examples/simple_repeater/main.cpp
@@ -165,6 +165,8 @@ void loop() {
     command[0] = 0;  // reset command buffer
   }
 
+  board.loop();   // let the board feed its watchdog, run periodic housekeeping
+
 #ifdef ETHERNET_ENABLED
   ethernet_loop_maintain();
   if (ethernet_read_line(ethernet_command, sizeof(ethernet_command))) {
diff --git a/examples/simple_sensor/main.cpp b/examples/simple_sensor/main.cpp
index 749ff6ef..db1c5279 100644
--- a/examples/simple_sensor/main.cpp
+++ b/examples/simple_sensor/main.cpp
@@ -153,6 +153,8 @@ void loop() {
     command[0] = 0;  // reset command buffer
   }
 
+  board.loop();   // let the board feed its watchdog, run periodic housekeeping
+
   the_mesh.loop();
   sensors.loop();
 #ifdef DISPLAY_CLASS
diff --git a/src/MeshCore.h b/src/MeshCore.h
index 4bc9d3db..2a3582de 100644
--- a/src/MeshCore.h
+++ b/src/MeshCore.h
@@ -76,6 +76,10 @@ public:
   virtual const char* getShutdownReasonString(uint8_t reason) { return "Not available"; }
 
   virtual bool handleCommand(const char* command, uint32_t sender_timestamp, char* reply) { return false; }
+
+  // Called from the example main loops. Lets a board feed its watchdog and
+  // run periodic housekeeping. Default no-op.
+  virtual void loop() { /* no op */ }
 };
 
 /**