/******************************************************************
*  Copyright (C) 2009 Ram Narula  
*  Filename: generalUtil.h
*  Version: 0.1
*  Date: 14 July 2009
*  Information: http://www.xduino.com/    
******************************************************************/
/******************************************************************
*   This file is part of Xduino
*
*   Xduino is free software: you can redistribute it and/or modify
*   it under the terms of the GNU Lesser General Public License as published by
*   the Free Software Foundation, either version 3 of the License, or
*   (at your option) any later version.
*	
*   Xduino 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 Lesser General Public License for more details.
*
*   You should have received a copy of the GNU Lesser General Public License
*   along with Xduino.  If not, see .
******************************************************************/


// load this library only once
#ifndef miscFunction_h
#define miscFunction_h


// function prototype
void delay(u32 milliSec);
void delayMicroseconds(u32 microSec);
static void delay2(void);




void delay(u32 milliSec)
{
  
	SysTick_SetReload(9000);  						// 72MHz = 9 x 8MHz so 9000ticks/ms
	SysTick_ITConfig(ENABLE);

	SysTick_CounterCmd(SysTick_Counter_Enable); 	// Start SysTick
	TimingDelay = milliSec;							// TimingDelay_Decrement() start value
	while(TimingDelay); 							// Do nothing until time counter is 0 
	SysTick_CounterCmd(SysTick_Counter_Disable); 	// Stop SysTick 
	SysTick_CounterCmd(SysTick_Counter_Clear);		// Reset SysTick
  
}	

void delayMicroseconds(u32 microSec)
{
  
	SysTick_SetReload(9);  							// 9 x 8MHz so 9ticks/microsec
	SysTick_ITConfig(ENABLE);

	SysTick_CounterCmd(SysTick_Counter_Enable); 	// Start SysTick
	TimingDelay = microSec;							// TimingDelay_Decrement() start value
	while(TimingDelay); 							// Do nothing until time counter is 0 
	SysTick_CounterCmd(SysTick_Counter_Disable); 	// Stop SysTick 
	SysTick_CounterCmd(SysTick_Counter_Clear);		// Reset SysTick

}	






static void delay2(void)
{
	volatile int i,j;
	for (i=0;i<100;i++)
		for (j=0;j<100000;j++);
}



#endif