From 9894a8c8b80b3785f040480476a9b12bdc546fb1 Mon Sep 17 00:00:00 2001
From: mumpf <git@porscha.eu>
Date: Fri, 25 Nov 2022 07:24:27 +0100
Subject: [PATCH] improved/corrected prog button debouncing (#221)

Co-authored-by: Waldemar Porscha <wp@porscha.eu>
---
 src/knx_facade.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/knx_facade.cpp b/src/knx_facade.cpp
index 35a6a6b..1dee9fc 100644
--- a/src/knx_facade.cpp
+++ b/src/knx_facade.cpp
@@ -27,11 +27,16 @@
         ICACHE_RAM_ATTR void buttonEvent()
         {
             static uint32_t lastEvent=0;
+            static uint32_t lastPressed=0;
+
             uint32_t diff = millis() - lastEvent;
             if (diff >= PROG_BTN_PRESS_MIN_MILLIS && diff <= PROG_BTN_PRESS_MAX_MILLIS){
-                knx.toggleProgMode();
+                if (millis() - lastPressed > 200)
+                {  
+                    knx.toggleProgMode();
+                    lastPressed = millis();
+                }
             }
-
             lastEvent = millis();
         }
     #endif