main.c

SmartARM2400系列开发板全套资料

/****************************************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:		Timer1计数实验－－CAP1.1下降沿
**
**--------------------------------------------------------------------------------------------------------
** Created by:			zhangmingjie
** Created date:		2007-3-26
** Version:				1.0
** Descriptions:		Timer1计数实验－－CAP1.1下降沿。
**--------------------------------------------------------------------------------------------------------
** Modified by:			Wuzhijian
** Modified date:		2007-09-02
** Version:				
** Descriptions:		对程序的风格以及注释略作调整，并检查代码。
**
** Rechecked by:		Litiantian			
*********************************************************************************************************/
#include "config.h"

/********************************************************************************************************
** 函数名称:  main
** 函数功能:  Timer1计数实验－－CAP1.1下降沿
** 调试说明:  需要使用杜邦线连P1.19和JP1的KEY6
*********************************************************************************************************/
int main(void)
{

	PINSEL3 = 3 << 6;			                                        /* P1.19连接捕获CAP1.1,         */
	                                                                    /*作为计数的外部输入            */
	T1CTCR = (0x02) |			                                        /* 计数器模式,下降沿捕获        */
	         (0x01 << 2);	                                            /* 选择CAP1.1                   */	 
	
	T1TC   = 0;				                                            /* 初始化计数器值为0            */
	T1TCR  = 0x01;				                                        /* 启动计数器                   */
	
	while (1);
    return (0);
}
/*********************************************************************************************************
**                            End Of File
*********************************************************************************************************/