From 990bf2a16a8a2775a28263fb0f209a687971fd7d Mon Sep 17 00:00:00 2001
From: Andy CA6JAU <juribeparada@gmail.com>
Date: Tue, 29 Aug 2017 14:51:20 -0300
Subject: [PATCH] Fix delay function for F767

---
 IOSTM.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/IOSTM.cpp b/IOSTM.cpp
index 8082cfb..e2f9b00 100644
--- a/IOSTM.cpp
+++ b/IOSTM.cpp
@@ -764,9 +764,16 @@ void CIO::setP25Int(bool on)
 #endif
 }
 
+// Simple delay function for STM32
+// Example from: http://thehackerworkshop.com/?p=1209
 void CIO::delayInt(unsigned int dly)
 {
-  unsigned int loopsPerMillisecond = (SystemCoreClock/1000) / 3; //3 clock cycles per loop
+#if defined(STM32F7_NUCLEO)
+  unsigned int loopsPerMillisecond = (SystemCoreClock/1000);
+#else
+  unsigned int loopsPerMillisecond = (SystemCoreClock/1000) / 3;
+#endif
+
   for (; dly > 0; dly--)
   {
     asm volatile //this routine waits (approximately) one millisecond