pins.c

来自「实现快速傅立叶变换算法,provides test framwork for F」· C语言 代码 · 共 64 行

/****************************************************************************

  (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
      www.systec-electronic.de

  Project:      demo

  Description:  demo project for ecos

  -------------------------------------------------------------------------

                $RCSfile: led.c,v $
                
                $Author: Wang lei $
                
                $Revision: 1.0 $  $Date: 2007/10/08 14:42:09 $
                
                $State: implement $
                
                Build Environment:
                DevC++
                GNU C 3.3.2

  -------------------------------------------------------------------------

  Revision History:

  2007/10/08 -wanglei:   Start der Implementierung

****************************************************************************/

#include <cyg/infra/cyg_type.h>
#include <cyg/hal/hal_io.h>
#include <cyg/hal/hal_arch.h>

#include "../include/pins.h"
//=========================================================================//
//                                                                         //
//          P U B L I C    F U N C T I O N S                              //
//                                                                         //
//=========================================================================//
//---------------------------------------------------------------------------
//
// Function:     pins_init
//
// Description:  X2A(20): IRQ6 ; X2A(95): IRQ7
//               Configure pin X2A(20) and pin X2A(95) -> Output
//
// Parameters:   none
// 
// Returns:      none
//
//
// State:        
//
//---------------------------------------------------------------------------
void pins_init(void)
{
   cyg_uint8 _8bits;
   HAL_READ_UINT8(&MCF5484_DEVS->EPORT.epddr, _8bits);
   HAL_WRITE_UINT8(&MCF5484_DEVS->EPORT.epddr, (0xC0|_8bits));  
   HAL_READ_UINT8(&MCF5484_DEVS->EPORT.epddr, _8bits);
}