From f13a25b34da6d52559e4a66131032645293ec82e Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Tue, 14 Sep 2021 18:54:14 +0200
Subject: [PATCH] prevent light from being reenabled untill next day after low
 voltage trigger

---
 esp32/include/ControllerConfiguration.h | 2 +-
 esp32/src/main.cpp                      | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/esp32/include/ControllerConfiguration.h b/esp32/include/ControllerConfiguration.h
index f279d09..3465ba3 100644
--- a/esp32/include/ControllerConfiguration.h
+++ b/esp32/include/ControllerConfiguration.h
@@ -82,7 +82,7 @@
 /** \addtogroup Configuration
  *  @{
  */
-#define FIRMWARE_VERSION "sw 1.3 hw 0.10"
+#define FIRMWARE_VERSION "sw 1.4 hw 0.10"
 
 #define TIMED_LIGHT_PIN CUSTOM1_PIN5
 
diff --git a/esp32/src/main.cpp b/esp32/src/main.cpp
index 2f2a4f3..42171b9 100644
--- a/esp32/src/main.cpp
+++ b/esp32/src/main.cpp
@@ -70,6 +70,7 @@ RTC_DATA_ATTR int lastPumpRunning = -1; /**< store last successfully waterd plan
 RTC_DATA_ATTR long lastWaterValue = 0;  /**< to calculate the used water per plant */
 #if defined(TIMED_LIGHT_PIN)
   RTC_DATA_ATTR bool timedLightOn = false; /**< allow fast recovery after poweron */
+  RTC_DATA_ATTR bool timedLightLowVoltageTriggered = false; /**remember if it was shut down due to voltage level */
 #endif // TIMED_LIGHT_PIN
 
 
@@ -987,6 +988,7 @@ bool determineTimedLightState(bool lowLight){
   }
   if(onlyAllowedWhenDark && !lowLight){
     timedLightNode.setProperty("state").send(String("Off, not dark"));
+    timedLightLowVoltageTriggered = false;
     return false;
   }
 
@@ -996,11 +998,12 @@ bool determineTimedLightState(bool lowLight){
           ((hoursStart < hoursEnd) &&
            (getCurrentHour() >= hoursStart && getCurrentHour() <= hoursEnd)))
       {
-        if(battery.getVoltage(BATTSENSOR_INDEX_BATTERY) >= timedLightVoltageCutoff.get() ){
+        if(!timedLightLowVoltageTriggered && battery.getVoltage(BATTSENSOR_INDEX_BATTERY) >= timedLightVoltageCutoff.get() ){
           timedLightNode.setProperty("state").send(String("On"));
           return true;
         }else {
           timedLightNode.setProperty("state").send(String("Off, due to missing voltage"));
+          timedLightLowVoltageTriggered = true;
           return false;
         }