From: Art Cancro <ajc@citadel.org>
Date: Thu, 12 Oct 2023 03:03:08 +0000 (-0400)
Subject: Changed the hysteresis algorithm to make 'on' be 20 out of 100 samples
X-Git-Url: https://code.citadel.org/?p=the_perfect_clock.git;a=commitdiff_plain;h=1c3d6ebd421a632e522df17a94cf7406620451f8

Changed the hysteresis algorithm to make 'on' be 20 out of 100 samples
---

diff --git a/the_perfect_clock.ino b/the_perfect_clock.ino
index 590a1c7..d437e39 100644
--- a/the_perfect_clock.ino
+++ b/the_perfect_clock.ino
@@ -91,8 +91,9 @@ void loop() {
   static int total_samples = 0;
   static int high_samples = 0;
 
-  if (total_samples >= 1000) {
-    if (high_samples > 500) {
+  // read from the WWVB receiver, with some hysteresis
+  if (total_samples >= 100) {
+    if (high_samples > 20) {
       signal = HIGH;
     }
     else {
@@ -108,6 +109,7 @@ void loop() {
     }
   }
 
+  // has the timer ticked?
 	unsigned long m = millis();
 	if (m != previous_millis) {
 		millisecond += (m - previous_millis);
@@ -126,10 +128,9 @@ void loop() {
 	previous_millis = m;
 
 	int pulse_length;
-	//int signal = digitalRead(wwvb);				// is the input high or low right now?
 
   if (signal) {
-    analogWrite(timecodeled, 10);       // it's too bright on my board so we dim it; change to digitalWrite() if not needed
+    analogWrite(timecodeled, 5);       // it's too bright on my board so we dim it; change to digitalWrite() if not needed
   }
   else {
     digitalWrite(timecodeled, LOW);