/****************************************Copyright (c)****************************************************
**                            Guangzhou ZHIYUAN electronics Co.,LTD.
**
**                                 http://www.embedtools.com
**
**--------------File Info---------------------------------------------------------------------------------
** File name:           main.c
** Last modified Date:  2010-02-04
** Last Version:        V1.0
** Descriptions:        The main() function example template
**
**--------------------------------------------------------------------------------------------------------
** Created by:          Lanwuqiang
** Created date:        2010-02-05
** Version:             V1.0
** Descriptions:        添加用户应用程序
**
**--------------------------------------------------------------------------------------------------------
** Modified by:         ZhangNingbo
** Modified date:       2010-02-25
** Version:             V1.0
** Descriptions:        蜂鸣器鸣叫示例程序
**
**--------------------------------------------------------------------------------------------------------
** Modified by:        
** Modified date:      
** Version:            
** Descriptions:       
**
** Rechecked by:
*********************************************************************************************************/
#include "..\config.h"

/*********************************************************************************************************
  宏定义
*********************************************************************************************************/
#define BEEP        (1ul << 7)
#define BEEP_INIT()  GPIO2DIR  |=  BEEP                                /*  蜂鸣器初始化                 */
#define BEEPOFF()    GPIO2DATA |=  BEEP                                /*  蜂鸣器关                     */
#define BEEPON()     GPIO2DATA &= ~BEEP                                /*  蜂鸣器开                     */
 
/*********************************************************************************************************
** Function name:       myDelay
** Descriptions:        软件延时
** input parameters:    无
** output parameters:   无
** Returned value:      无
*********************************************************************************************************/
void myDelay (INT32U ulTime)
{
    INT32U i;

    i = 0;
    while (ulTime--) {
        for (i = 0; i < 5000; i++);
    }
}
/*********************************************************************************************************
** Function name:       main
** Descriptions:        BEEP测试程序，短接P2.7与BEEP（基于EasyCortexM3-1300开发板）
** input parameters:    无
** output parameters:   无
** Returned value:      无
*********************************************************************************************************/
int main (void)
{
    targetInit();                                                      /*  初始化目标板，切勿删除       */
    pinInit();                                                         /*  引脚初始化                   */

    SYSAHBCLKCTRL |= (1ul << 6);                                       /*  使能GPIO模块时钟             */
    BEEP_INIT();
    while (1) {  
        BEEPON();
        myDelay(400); 
        BEEPOFF();
        myDelay(400);
    }
}

/*********************************************************************************************************
  End Of File
*********************************************************************************************************/