From 85f0712d314115477dcde87ae645261f5fed9470 Mon Sep 17 00:00:00 2001
From: Harald Barth <haba@kth.se>
Date: Wed, 5 Jan 2022 01:23:36 +0100
Subject: [PATCH] balance if/endif

---
 myHal.cpp_example.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/myHal.cpp_example.txt b/myHal.cpp_example.txt
index 13a6b4b..32aa12e 100644
--- a/myHal.cpp_example.txt
+++ b/myHal.cpp_example.txt
@@ -11,6 +11,10 @@
 // To prevent this, temporarily rename the file to myHal.txt or similar.
 //
 
+// The #if directive prevent compile errors for Uno and Nano by excluding the 
+//  HAL directives from the build.
+#if !defined(IO_NO_HAL)
+
 // Include devices you need.
 #include "IODevice.h"
 #include "IO_HCSR04.h"    // Ultrasonic range sensor