From 8bf32dc042fc3e6f7a5d9b988c12492da9930305 Mon Sep 17 00:00:00 2001
From: Jonathan Bennett <jbennett@incomsystems.biz>
Date: Wed, 8 Oct 2025 23:13:02 -0500
Subject: [PATCH] Attach an interrupt to EXT_PWR_DETECT if present, and force a
 screen redraw on a power change.

---
 src/Power.cpp           | 10 ++++++++++
 src/graphics/Screen.cpp |  3 +++
 2 files changed, 13 insertions(+)

diff --git a/src/Power.cpp b/src/Power.cpp
index 7de82b8d6..39d47610b 100644
--- a/src/Power.cpp
+++ b/src/Power.cpp
@@ -691,6 +691,16 @@ bool Power::setup()
 #ifdef NRF_APM
     found = true;
 #endif
+#ifdef EXT_PWR_DETECT
+    attachInterrupt(
+        EXT_PWR_DETECT,
+        []() {
+            power->setIntervalFromNow(0);
+            runASAP = true;
+            BaseType_t higherWake = 0;
+        },
+        CHANGE);
+#endif
 
     enabled = found;
     low_voltage_counter = 0;
diff --git a/src/graphics/Screen.cpp b/src/graphics/Screen.cpp
index 4485ca7a3..767f97eed 100644
--- a/src/graphics/Screen.cpp
+++ b/src/graphics/Screen.cpp
@@ -1428,6 +1428,9 @@ int Screen::handleStatusUpdate(const meshtastic::Status *arg)
         }
         nodeDB->updateGUI = false;
         break;
+    case STATUS_TYPE_POWER:
+        forceDisplay(true);
+        break;
     }
 
     return 0;