main.c

来自「LPC2103通用输入输出口实验例程及相关文档说明」· C语言 代码 · 共 54 行

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			main.c
** Last modified Date:  2004-09-16
** Last Version:		1.0
** Descriptions:		The main() function example template
**
**------------------------------------------------------------------------------------------------------
** Created by:			Chenmingji
** Created date:		2004-09-16
** Version:				1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
**
********************************************************************************************************/
#include "config.h"

#define  BEEPCON  0X00000080

void DelayNS (uint32 dly)
{
	uint32 i;
	for(; dly>0;dly--)
		for(i=0;i<5000;i++);
}
int main(void)
{
	uint32 j = 3;
	PINSEL0 = 0X00000000;
	IO0DIR = BEEPCON;
	while(j>0)
	{
		IO0SET = BEEPCON;
		DelayNS(1000);
		IO0CLR = BEEPCON;
		DelayNS(1000);
		j--;
	}
	
	return(0);
}
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/