From 38ee395ac72f021930673b25a4e424cd07f7b33d Mon Sep 17 00:00:00 2001
From: daid303 <daid303@gmail.com>
Date: Mon, 17 Dec 2012 11:12:11 +0100
Subject: [PATCH] Replace the 1ms delay for 2 nops to get a 100ns delay. #259

---
 Marlin/temperature.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Marlin/temperature.cpp b/Marlin/temperature.cpp
index 8a6997ad5..6093c9934 100644
--- a/Marlin/temperature.cpp
+++ b/Marlin/temperature.cpp
@@ -869,7 +869,8 @@ int read_max6675()
   WRITE(MAX6675_SS, 0);
   
   // ensure 100ns delay - a bit extra is fine
-  delay(1);
+  asm("nop");//50ns on 20Mhz, 62.5ns on 16Mhz
+  asm("nop");//50ns on 20Mhz, 62.5ns on 16Mhz
   
   // read MSB
   SPDR = 0;