Average three measurements for analogRead

watsaig · Apr 3, 2018 · e3424e7 · e3424e7
1 parent 47fe903
commit e3424e7
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/things.cpp b/src/things.cpp
@@ -150,7 +150,12 @@ void PressureController::setValue(uint8_t value)
 
 uint8_t PressureController::getValue()
 {
-    int val = analogRead(mMeasurementPin);
+    long val = analogRead(mMeasurementPin);
+    val += analogRead(mMeasurementPin);
+    val += analogRead(mMeasurementPin);
+    val = round(double(val)/3.0);
+
+
 
     /* The result of analogRead doesn't correspond linearly to the voltage applied;
        see: https://github.com/espressif/esp-idf/issues/164