From c3671a07ad44c9ad4fcd23d76409f268f1a6895e Mon Sep 17 00:00:00 2001
From: Juerd Waalboer <juerd@tnx.nl>
Date: Tue, 22 Dec 2020 05:11:33 +0100
Subject: [PATCH] Exit demo with demo button

---
 operame.ino | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/operame.ino b/operame.ino
index 18cbdb2..cc2b592 100644
--- a/operame.ino
+++ b/operame.ino
@@ -143,6 +143,12 @@ void ppm_demo() {
     delay(1000);
     for (int p = 400; p < 1200; p++) {
         display_ppm(p);
+        if (!digitalRead(demobutton)) {
+            display_logo();
+            delay(500);
+            while (!digitalRead(demobutton));
+            return;
+        }
         delay(30);
     }
     display_logo();