From 82c7029e5792637a6e00879ef1631bc1aa0ecad0 Mon Sep 17 00:00:00 2001
From: Ard Kuijpers <ardkuijpers@mp.nl>
Date: Sun, 1 Mar 2020 19:44:29 +0100
Subject: [PATCH] Gebruik ping_median

---
 src/main.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 2a097cf..b7c71a4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -11,7 +11,7 @@ const float minDistance = 0.01;
 const float maxDistance = 4.0;
 const float minimumChange = 0.2;
 
-#define MEASURE_INTERVAL 500 // ms
+#define MEASURE_INTERVAL 1000 // ms
 #define PUBLISH_INTERVAL 5000 // ms
 
 NewPing sonar(trigPin,echoPin,maxDistance*100.0);
@@ -31,7 +31,7 @@ void setup() {
   pinMode(ledPin, OUTPUT);
 
   Homie_setBrand("EtxeanIoT");
-  Homie_setFirmware("etxean-distancesensor", "1.0.3"); 
+  Homie_setFirmware("etxean-distancesensor", "1.0.4"); 
   Homie.setLoopFunction(loopHandler);
   obstacleNode
     .advertise("distance").setName("Distance").setDatatype("float").setUnit("m");
@@ -70,7 +70,7 @@ void loopHandler() {
     //float distance = random(5,400)/100.0;
     Homie.getLogger() << "Distance: " << distance << " m";
     bool valid = checkBounds(distance,minDistance,maxDistance);
-    Serial << ", valid = " << toPayload(valid) << endl;
+    Homie.getLogger() << ", valid = " << toPayload(valid) << endl;
     if (valid)
       validDistance = distance;
     lastMeasurement = millis();
@@ -89,7 +89,7 @@ void loopHandler() {
       if (changed)
       {
         signal_led();      
-        Serial << ", changed" << endl;
+         Homie.getLogger() << ", changed" << endl;
       }
       lastDistance = validDistance;
       validDistance = -1;      
@@ -114,7 +114,7 @@ float getEchoTime() {
 
 float readDistance() {
   //auto ping_us = getEchoTime();
-  auto ping_us = sonar.ping();
+  auto ping_us = sonar.ping_median();
   // Calculating the distance @ 10 °C from d = t_ping /2 * c => t_ping /2 * 337 [m/s] => t_ping_us / 1e-6 * 1/2 * 337 
   auto computedDistance = ping_us*0.0001685;
   return computedDistance;