From c674cd252e7780913b801f51c4aaeb3d7dc3c841 Mon Sep 17 00:00:00 2001
From: iranl <iranl@users.noreply.github.com>
Date: Wed, 18 Dec 2024 22:23:37 +0100
Subject: [PATCH] RTC Watchdog

---
 sdkconfig.defaults        | 4 +++-
 src/NukiNetwork.cpp       | 9 +++++++++
 src/NukiOpenerWrapper.cpp | 5 +++++
 src/NukiWrapper.cpp       | 5 +++++
 4 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/sdkconfig.defaults b/sdkconfig.defaults
index 06bfb9c..6016c90 100644
--- a/sdkconfig.defaults
+++ b/sdkconfig.defaults
@@ -104,4 +104,6 @@ CONFIG_HTTPD_MAX_URI_LEN=512
 CONFIG_HTTPD_ERR_RESP_NO_DELAY=y
 CONFIG_HTTPD_PURGE_BUF_LEN=32
 CONFIG_HTTPD_WS_SUPPORT=y
-CONFIG_ESP_HTTPS_SERVER_ENABLE=n
\ No newline at end of file
+CONFIG_ESP_HTTPS_SERVER_ENABLE=n
+CONFIG_BOOTLOADER_WDT_DISABLE_IN_USER_CODE=y
+CONFIG_BOOTLOADER_WDT_TIME_MS=90000
\ No newline at end of file
diff --git a/src/NukiNetwork.cpp b/src/NukiNetwork.cpp
index bac07da..07dc3ba 100644
--- a/src/NukiNetwork.cpp
+++ b/src/NukiNetwork.cpp
@@ -10,6 +10,7 @@
 #include "networkDevices/WifiDevice.h"
 #endif
 #include "networkDevices/EthernetDevice.h"
+#include "hal/wdt_hal.h"
 
 NukiNetwork* NukiNetwork::_inst = nullptr;
 
@@ -225,6 +226,10 @@ void NukiNetwork::initialize()
 
 bool NukiNetwork::update()
 {
+    wdt_hal_context_t rtc_wdt_ctx = RWDT_HAL_CONTEXT_DEFAULT();
+    wdt_hal_write_protect_disable(&rtc_wdt_ctx);
+    wdt_hal_feed(&rtc_wdt_ctx);
+    wdt_hal_write_protect_enable(&rtc_wdt_ctx);
     _device->update();
     return true;
 }
@@ -367,6 +372,10 @@ void NukiNetwork::readSettings()
 
 bool NukiNetwork::update()
 {
+    wdt_hal_context_t rtc_wdt_ctx = RWDT_HAL_CONTEXT_DEFAULT();
+    wdt_hal_write_protect_disable(&rtc_wdt_ctx);
+    wdt_hal_feed(&rtc_wdt_ctx);
+    wdt_hal_write_protect_enable(&rtc_wdt_ctx);
     int64_t ts = espMillis();
     _device->update();
 
diff --git a/src/NukiOpenerWrapper.cpp b/src/NukiOpenerWrapper.cpp
index 6b65c37..f52249a 100644
--- a/src/NukiOpenerWrapper.cpp
+++ b/src/NukiOpenerWrapper.cpp
@@ -5,6 +5,7 @@
 #include "RestartReason.h"
 #include <NukiOpenerUtils.h>
 #include "Config.h"
+#include "hal/wdt_hal.h"
 
 NukiOpenerWrapper* nukiOpenerInst;
 Preferences* nukiOpenerPreferences = nullptr;
@@ -183,6 +184,10 @@ void NukiOpenerWrapper::readSettings()
 
 void NukiOpenerWrapper::update()
 {
+    wdt_hal_context_t rtc_wdt_ctx = RWDT_HAL_CONTEXT_DEFAULT();
+    wdt_hal_write_protect_disable(&rtc_wdt_ctx);
+    wdt_hal_feed(&rtc_wdt_ctx);
+    wdt_hal_write_protect_enable(&rtc_wdt_ctx);
     if(!_paired)
     {
         Log->println(F("Nuki opener start pairing"));
diff --git a/src/NukiWrapper.cpp b/src/NukiWrapper.cpp
index db8a02c..0b065b5 100644
--- a/src/NukiWrapper.cpp
+++ b/src/NukiWrapper.cpp
@@ -5,6 +5,7 @@
 #include "RestartReason.h"
 #include <NukiLockUtils.h>
 #include "Config.h"
+#include "hal/wdt_hal.h"
 
 NukiWrapper* nukiInst = nullptr;
 
@@ -190,6 +191,10 @@ void NukiWrapper::readSettings()
 
 void NukiWrapper::update()
 {
+    wdt_hal_context_t rtc_wdt_ctx = RWDT_HAL_CONTEXT_DEFAULT();
+    wdt_hal_write_protect_disable(&rtc_wdt_ctx);
+    wdt_hal_feed(&rtc_wdt_ctx);
+    wdt_hal_write_protect_enable(&rtc_wdt_ctx);
     if(!_paired)
     {
         Log->println(F("Nuki lock start pairing"));