Diff: delay.c

Revision:

0:748338cb3553

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/delay.c	Fri Dec 17 22:19:04 2010 +0000
@@ -0,0 +1,59 @@
+/* This file has been prepared for Doxygen **************************/
+
+/*! \file delay.c *****************************************************
+*
+* \brief This module supports a simple (performance spoiling)
+* counting delay for use between mainprogram staps.
+*
+* <B>Attention:</B> Optimization for this module should be -O0
+*
+* Copyright (C) 2008 W.Nijs (ALF4all)
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*
+* \author    W.Nijs.
+* \date        12/03/2009
+* \version    1.0 12/03/2009, initial revision.
+* \version    2.0 28/05/2010, prepared for Doxygen.
+*
+*********************************************************************/
+
+/*********************************************************************
+* Define section
+*  Add all #defines here
+*********************************************************************/
+
+#define counts_per_ms 30000    // for mbed NXP LPC1768
+
+
+/*****************************************************************//**
+* \brief    delay
+*
+* This function supports a simple counting delay.
+*
+* \author    W.Nijs.
+* \date        28-05-2010
+* \param    ms        (int) Delaytime in millieseconds
+*********************************************************************/
+
+void delay(int ms) {
+    int count;
+
+    while (ms) {
+        count = counts_per_ms;
+        while (count)
+            count--;
+        ms--;
+    }
+}