Add software debouncing

diff --git a/station-meteo/station-meteo.ino b/station-meteo/station-meteo.ino
index 5a96ba8..dc4cc21 100644 (file)
--- a/station-meteo/station-meteo.ino
+++ b/station-meteo/station-meteo.ino
@@ -29,10 +29,8 @@ String location = LOCATION;
 int rainfall_sensor_pin = 2;
 float rain_incr = 0.2794; // this is mm/m2 for each sensor tick 
 int rainfall_ticks = 0;
-
-// Timing
-unsigned long previousMillis=   0;
-unsigned long previousMillis2=  0;
+long debouncing_time = 30;
+volatile unsigned long last_micros;
 
 // Initiate udp client
 WiFiUDP udp;
@@ -178,5 +176,8 @@ void printWifiStatus() {
 
 void getRain ()
 {
-  rainfall_ticks ++ ; 
+  if((long)(micros() - last_micros) >= debouncing_time * 1000) {
+    rainfall_ticks ++ ; 
+    last_micros = micros();
+  }
 }