From c42e4a4270d5df6544902dd0e14460f6d521e5e7 Mon Sep 17 00:00:00 2001
From: Andrey Perminov <andrey.ppp@gmail.com>
Date: Tue, 22 Jun 2021 13:20:15 -0700
Subject: [PATCH] Using interrupt to get button state

---
 Arduino_lib/BMLite/examples/bmlite_demo/bmlite_demo.ino | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Arduino_lib/BMLite/examples/bmlite_demo/bmlite_demo.ino b/Arduino_lib/BMLite/examples/bmlite_demo/bmlite_demo.ino
index 3348a89..112547a 100644
--- a/Arduino_lib/BMLite/examples/bmlite_demo/bmlite_demo.ino
+++ b/Arduino_lib/BMLite/examples/bmlite_demo/bmlite_demo.ino
@@ -64,14 +64,15 @@ void setup() {
   }
   set_leds(0);
 
-  pinMode(BMLITE_BUTTON, INPUT);
+  pinMode(BMLITE_BUTTON, INPUT_PULLUP);
+  attachInterrupt(digitalPinToInterrupt(BMLITE_BUTTON), check_buttons, CHANGE);
 
   SPI.begin();
   pinMode(BMLITE_CS_PIN, OUTPUT);
   
   platform_init(NULL);
 
-  // This block is for debug purpose only and can be safely removed
+  // These lines for debug purpose only 
   {
     version = (char *)malloc(50);
     memset(version, 0, 50);