From 0ed33f36d5eb1bde57b1db6c704620fd5c6d22f0 Mon Sep 17 00:00:00 2001
From: Jorj Bauer <jorj@jorj.org>
Date: Wed, 7 Feb 2018 14:12:29 -0500
Subject: [PATCH] sleep in BIOS loop; don't have to slam the CPU...

---
 bios.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/bios.cpp b/bios.cpp
index 2161da9..ae5a0cb 100644
--- a/bios.cpp
+++ b/bios.cpp
@@ -267,7 +267,10 @@ uint8_t BIOS::GetAction(int8_t selection)
 	   (digitalRead(RESETPIN) == HIGH)
 #endif
 	   ) {
-      ;
+#ifndef TEENSYDUINO
+      usleep(100)
+#endif
+	;
       // Wait for either a keypress or the reset button to be pressed
     }