From dbf212bdea8efd9f44a5c2be741b14e8994833b3 Mon Sep 17 00:00:00 2001
From: GioCC <25667790+GioCC@users.noreply.github.com>
Date: Thu, 13 Oct 2022 20:21:01 +0200
Subject: [PATCH] Fix faulty initialization of analog value at startup
 (additional fix for #199) (#212)

---
 src/MF_Analog/MFAnalog.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/MF_Analog/MFAnalog.cpp b/src/MF_Analog/MFAnalog.cpp
index 69566581..473c6700 100644
--- a/src/MF_Analog/MFAnalog.cpp
+++ b/src/MF_Analog/MFAnalog.cpp
@@ -13,11 +13,13 @@ MFAnalog::MFAnalog(uint8_t pin, const char *name, uint8_t sensitivity)
     _sensitivity = sensitivity;
     _pin         = pin;
     _name        = name;
-    _lastValue   = 0;
     pinMode(_pin, INPUT_PULLUP); // set pin to input. Could use OUTPUT for analog, but shows the intention :-)
+    // Fill averaging buffers with initial reading
     for (uint8_t i = 0; i < ADC_MAX_AVERAGE; i++) {
         readBuffer();
     }
+    // and set initial value from buffers
+    _lastValue = ADC_Average_Total >> ADC_MAX_AVERAGE_LOG2;
 }
 
 bool MFAnalog::valueHasChanged(int16_t newValue)