pfio.c

来自「UART ADI example 简单的例子 练练手」· C语言 代码 · 共 46 行

/****************************************Copyright (c)****************************************************
**                            Guangzhou ZHIYUAN electronics Co.,LTD.
**                                      
**                                 http://www.embedtools.com
**
**--------------File Info---------------------------------------------------------------------------------
** File name:               pfio.c
** Latest modified Date:    2008-8-20
** Latest Version:          1.0
** Descriptions:            串口外设的操作函数
**
**--------------------------------------------------------------------------------------------------------
** Created by:              CaiWenqi
** Created date:            2008-8-20
** Version:                 1.0
** Descriptions:            The original version
**
**--------------------------------------------------------------------------------------------------------
** Modified by:             
** Modified date:           
** Version:                 
** Descriptions:            
**
*********************************************************************************************************/
#include    "config.h"

/*********************************************************************************************************
** Function name:       pfioInit
** Descriptions:        设置PFIO的属性
** Input parameters:    NONE
** Output parameters:   NONE
** Returned value:      NONE
*********************************************************************************************************/
void pfioInit (void)
{
    *pFIO_INEN       = 0x0f00;                                          /* 使能PF8-11输入               */
    *pFIO_DIR        = 0x0000;                                          /* 设置PF均为输入               */
    *pFIO_EDGE       = 0x0f00;                                          /* 使能BF8-11边沿中断           */
    *pFIO_BOTH       = 0x0000;                                          /* 单边沿敏感                   */
    *pFIO_MASKA_D    = 0x0f00;                                          /* 使能PF8-11的中断             */
}

/*********************************************************************************************************
  END FILE
*********************************************************************************************************/