From 5309dd7d8c450c8137379c8e54afde971e62ea50 Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Thu, 1 Oct 2020 22:19:11 +0200
Subject: [PATCH] add dynamic send for pir sensor

---
 src/main.cpp | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 820c10e..fd40b26 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -14,7 +14,7 @@
   float humidity; //[%RH]  DHT
   float temperature; //[deg C]   DHT
   float light; //[Lux]  BH1750
-  bool movement //true bei pir output hight, false wenn low   HC12?
+  bool movement //true bei pir output hight, false wenn low   HC12?501?
 */
 
 
@@ -33,6 +33,8 @@ unsigned long lastsensorreadtime=0;
 unsigned long sensorupdatedelay=60000; //delay for reading and transmitting
 unsigned long lastPIRtime=0;
 unsigned long PIRdelay=100; //polling delay
+unsigned long lastPIRSendValueTime=0;
+unsigned long PIRMaxDelay=1000*60*10; //maximum time until current value is send
 bool motion=false;
 
 
@@ -92,23 +94,36 @@ void loop() {
 
 void loopHandler() {
 
-  if (millis() >= (lastPIRtime+PIRdelay)){
-     
+  if (millis() >= (lastPIRtime+PIRdelay)){     
      if (digitalRead(PIRPIN)){
        if (!motion) { //changed?
         Homie.getLogger() << "motion " << ": " << "true" << endl;
         sensorNode.setProperty("motion").send(String("true"));
        }
        motion=true;
+       lastPIRSendValueTime=millis();
      }else{
        if (motion) { //changed?
         Homie.getLogger() << "motion " << ": " << "false" << endl;
         sensorNode.setProperty("motion").send(String("false"));
        }
        motion=false;
+       lastPIRSendValueTime=millis();
      }
      lastPIRtime=millis();
   }
+  if (millis() >= (lastPIRSendValueTime+PIRMaxDelay)) { //send current value after some long time
+    if (digitalRead(PIRPIN)){
+       Homie.getLogger() << "motion resend " << ": " << "true" << endl;
+       sensorNode.setProperty("motion").send(String("true"));
+       motion=true;
+     }else{
+       Homie.getLogger() << "motion resend " << ": " << "false" << endl;
+       sensorNode.setProperty("motion").send(String("false"));
+       motion=false;
+     }
+     lastPIRSendValueTime=millis();
+  }
 
   if (millis() >= (lastsensorreadtime+sensorupdatedelay))
   {