From 795a8822800809cbdf377a5a64a1adc792f5b011 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominic=20H=C3=B6glinger?= <dominic@hoeglinger.eu>
Date: Wed, 8 Oct 2025 17:44:16 +0200
Subject: [PATCH] LilygoTLoraPager: Re-add ISR GPIO service

---
 Boards/LilygoTLoraPager/Source/Init.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Boards/LilygoTLoraPager/Source/Init.cpp b/Boards/LilygoTLoraPager/Source/Init.cpp
index cf1c7ce7..7f8a00d8 100644
--- a/Boards/LilygoTLoraPager/Source/Init.cpp
+++ b/Boards/LilygoTLoraPager/Source/Init.cpp
@@ -13,6 +13,14 @@ constexpr auto* TAG = "TLoraPager";
 bool tpagerInit() {
     ESP_LOGI(TAG, LOG_MESSAGE_POWER_ON_START);
 
+    /* Install ISR service */
+    auto ret = gpio_install_isr_service((int)ESP_INTR_FLAG_IRAM | (int)ESP_INTR_FLAG_LEVEL2);
+    if (ret != ESP_OK) {
+        TT_LOG_E(TAG, "Couldn't install ISR service rc=%i", ret);
+    } else {
+        TT_LOG_E(TAG, "ISR Service installed on core %i", xPortGetCoreID());
+    }
+
     /* 32 Khz and higher gives an issue where the screen starts dimming again above 80% brightness
      * when moving the brightness slider rapidly from a lower setting to 100%.
      * This is not a slider bug (data was debug-traced) */