From 290fa03955164a5bd338c13cef70e3429be1f9a6 Mon Sep 17 00:00:00 2001
From: Alexander Klein <alex@kleiax.de>
Date: Wed, 28 Dec 2022 14:58:47 +0100
Subject: [PATCH] limited battery voltage to two decimal points

---
 lib/Battery/battery.cpp | 5 +++++
 lib/Battery/battery.h   | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/Battery/battery.cpp b/lib/Battery/battery.cpp
index 115f78e..1ab0021 100644
--- a/lib/Battery/battery.cpp
+++ b/lib/Battery/battery.cpp
@@ -28,6 +28,11 @@ void Battery::loop() {
     this->lastMillis = millis();
 }
 
+double Battery::getBatteryVoltage() {
+    double res = this->batteryVoltage;
+    return (int)(res*100+0.5)/100.0;
+}
+
 double Battery::readInputVoltage() {
     // Reference voltage is 3v3 so maximum reading is 3v3 = 4095 in range 0 to 4095
     double reading = analogRead(this->pin);
diff --git a/lib/Battery/battery.h b/lib/Battery/battery.h
index 3e741fe..175b7d7 100644
--- a/lib/Battery/battery.h
+++ b/lib/Battery/battery.h
@@ -64,7 +64,7 @@ class Battery {
          * 
          * @return double in Volt
          */
-        double getBatteryVoltage()    {return this->batteryVoltage;}
+        double getBatteryVoltage();
 
         /**
          * @brief Get the charge level of the battery