From 01ddb549d68e6f79d85298c3d88e9cab8664e499 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Luk=C3=A1=C5=A1=20Ji=C5=99i=C5=A1t=C4=9B?=
 <jiriste@icpf.cas.cz>
Date: Tue, 22 Oct 2024 10:28:33 +0200
Subject: [PATCH] Add a small test program for the UNO

This program makes a LED (pin 4) switch state whenever pin 7 is
connected to ground (through button).
---
 Servomatic.ino | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 Servomatic.ino

diff --git a/Servomatic.ino b/Servomatic.ino
new file mode 100644
index 0000000..684a35c
--- /dev/null
+++ b/Servomatic.ino
@@ -0,0 +1,29 @@
+void	wait_for_button(int	trigger)
+{
+	int	read_val;
+
+	read_val = digitalRead(7);
+	while (read_val != trigger)
+	{
+		read_val = digitalRead(7);
+		delay(10);
+	}
+}
+
+int	main()
+{
+	init();
+	pinMode(7, INPUT_PULLUP);
+	pinMode(4, OUTPUT);
+	digitalWrite(4, LOW);
+	while (1)
+	{
+		wait_for_button(LOW);
+		digitalWrite(4, HIGH);
+		wait_for_button(HIGH);
+		wait_for_button(LOW);
+		digitalWrite(4, LOW);
+		wait_for_button(HIGH);
+	}
+	return (0);
+}
-- 
2.30.2