From 0a0e7fe9015aefceccb74c4eb81fae3c3218b648 Mon Sep 17 00:00:00 2001
From: mooiweertje <github@mooiweer.top>
Date: Wed, 17 Dec 2025 18:26:29 +0100
Subject: [PATCH 1/2] heartBeat

---
 main/Kconfig.projbuild |  4 ++++
 main/main.cpp          | 13 ++++++++++---
 sdkconfig.supermini    |  3 +++
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/main/Kconfig.projbuild b/main/Kconfig.projbuild
index 085e674..e7b4f6c 100644
--- a/main/Kconfig.projbuild
+++ b/main/Kconfig.projbuild
@@ -87,4 +87,8 @@ menu "Sparta Ion Config"
         int "The actual battery voltage in mv for full (=100%). For example 42000mv for a 10s battery"
         default 42000
 
+    config CONFIG_ION_KEEPALIVE
+        bool "Enable keepalive heartbeat. Will reset the ESP32 when main loop is stuck for more than a minute."
+        default n
+
 endmenu
diff --git a/main/main.cpp b/main/main.cpp
index e6643a2..20848a5 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -64,8 +64,6 @@ static const int MEASURE_BAT_BIT = BIT7;
 
 static EventGroupHandle_t controlEventGroup;
 
-volatile bool myTaskAlive = false;
-
 enum messageHandlingResult {
     // We got a handoff back, so we get to send the next message
     CONTROL_TO_US,
@@ -76,16 +74,21 @@ enum messageHandlingResult {
 };
 
 static TimerHandle_t measureBatTimer;
-TimerHandle_t healthCheckTimer ;
 
 static void measureBatTimerCallback(TimerHandle_t xTimer) { xEventGroupSetBits(controlEventGroup, MEASURE_BAT_BIT); }
 
+#if CONFIG_ION_KEEPALIVE
+volatile bool myTaskAlive = false;
+TimerHandle_t healthCheckTimer ;
+
 static void checkMyTaskHealth(TimerHandle_t xTimer) {
     if (!myTaskAlive) {
         esp_restart();
     }
     myTaskAlive = false;  // Reset voor volgende check
 }
+#endif
+
 
 static messageHandlingResult handleMotorMessage(ion_state * state) {
     messageType message = {};
@@ -261,8 +264,10 @@ static void my_task(void *pvParameter) {
     measureBatTimer = xTimerCreate("measureBatTimer", (100 / portTICK_PERIOD_MS), pdTRUE, (void *)0, measureBatTimerCallback);
     xTimerStart(measureBatTimer, 0);
 	
+#if CONFIG_ION_KEEPALIVE
     healthCheckTimer = xTimerCreate("healthCheckTimer", 60000 / portTICK_PERIOD_MS, pdTRUE, NULL, checkMyTaskHealth);
     xTimerStart(healthCheckTimer, 0);
+#endif
 
     ion_state state = {
         .state = IDLE,
@@ -278,7 +283,9 @@ static void my_task(void *pvParameter) {
 
     while(true) {
 
+#if CONFIG_ION_KEEPALIVE
         myTaskAlive = true;  // sign of life
+#endif
 
         // TODO:
         // More use of timeouts
diff --git a/sdkconfig.supermini b/sdkconfig.supermini
index 7b1ba63..249563c 100644
--- a/sdkconfig.supermini
+++ b/sdkconfig.supermini
@@ -42,3 +42,6 @@ CONFIG_ION_ADC_EMPTY_MV=18000
 
 # Consider 25.2V (4.2V/cell for 6s) full
 CONFIG_ION_ADC_FULL_MV=25200
+
+# keepalive
+CONFIG_ION_KEEPALIVE=y

From e8ac218d957679ff0a16b267b3bf5c9965141bd4 Mon Sep 17 00:00:00 2001
From: mooiweertje <github@mooiweer.top>
Date: Tue, 23 Dec 2025 13:20:31 +0100
Subject: [PATCH 2/2] heartBeat

---
 main/Kconfig.projbuild | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main/Kconfig.projbuild b/main/Kconfig.projbuild
index e7b4f6c..b942e2e 100644
--- a/main/Kconfig.projbuild
+++ b/main/Kconfig.projbuild
@@ -87,7 +87,7 @@ menu "Sparta Ion Config"
         int "The actual battery voltage in mv for full (=100%). For example 42000mv for a 10s battery"
         default 42000
 
-    config CONFIG_ION_KEEPALIVE
+    config ION_KEEPALIVE
         bool "Enable keepalive heartbeat. Will reset the ESP32 when main loop is stuck for more than a minute."
         default n