From 5675bf44b8f29229e7b949da496716d8a1cd896e Mon Sep 17 00:00:00 2001
From: talksik <patel.arjun50@gmail.com>
Date: Thu, 25 Jan 2024 13:46:59 -0800
Subject: [PATCH] avoiding duplicate reads

---
 Main.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Main.c b/Main.c
index 60351cc..da1e674 100644
--- a/Main.c
+++ b/Main.c
@@ -1,6 +1,7 @@
 
 #include <stdio.h>
 #include <wiringPi.h>
+#include <stdbool.h>
 
 // these are based on the wiringPi pin numbers
 #define YELLOW_PIN 26 // GPIO 12
@@ -43,15 +44,18 @@ int main(int argc, char *argv[])
     pullUpDnControl(BUTTON_PIN, PUD_UP);
 
     enum LED_STATE ledState = BLANK;
+    bool buttonPressed = false;
 
     while (1)
     {
-        if (digitalRead(BUTTON_PIN) == LOW)
+        if (digitalRead(BUTTON_PIN) == LOW && !buttonPressed)
         {
             ledState = (ledState + 1) % NUM_LEDS;
+            buttonPressed = true;
         }
         else
         {
+            buttonPressed = false;
             continue;
         }