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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [arm/] [at91/] [eb40a/] [current/] [src/] [eb40a_misc.c] - Rev 856

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//==========================================================================
//
//      eb40a_misc.c
//
//      HAL misc board support code for Atmel EB40A eval board
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under    
// the terms of the GNU General Public License as published by the Free     
// Software Foundation; either version 2 or (at your option) any later      
// version.                                                                 
//
// eCos is distributed in the hope that it will be useful, but WITHOUT      
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
// for more details.                                                        
//
// You should have received a copy of the GNU General Public License        
// along with eCos; if not, write to the Free Software Foundation, Inc.,    
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
//
// As a special exception, if other files instantiate templates or use      
// macros or inline functions from this file, or you compile this file      
// and link it with other works to produce a work based on this file,       
// this file does not by itself cause the resulting work to be covered by   
// the GNU General Public License. However the source code for this file    
// must still be made available in accordance with section (3) of the GNU   
// General Public License v2.                                               
//
// This exception does not invalidate any other reasons why a work based    
// on this file might be covered by the GNU General Public License.         
// -------------------------------------------                              
// ####ECOSGPLCOPYRIGHTEND####                                              
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    gthomas
// Contributors: gthomas, jskov, tkoeller, tdrury, nickg
// Date:         2002-05-30
// Purpose:      HAL board support
// Description:  Implementations of HAL board interfaces
//
//####DESCRIPTIONEND####
//
//========================================================================*/
 
#include <pkgconf/hal.h>
 
#include <cyg/infra/cyg_type.h>         // base types
#include <cyg/hal/hal_io.h>             // low level i/o
#include <cyg/hal/var_io.h>             // common registers
#include <cyg/hal/plf_io.h>             // platform registers
 
 
void
hal_at91_set_leds(int val)
{
    HAL_WRITE_UINT32(AT91_PIO+AT91_PIO_SODR, EB40A_LED_ALL); // turn all LEDs off
    HAL_WRITE_UINT32(AT91_PIO+AT91_PIO_CODR,
                     ((val&0xf)<<16)|(((val&0xf0)>>4)<<3));        // turn desired LEDs on
}
 
void
hal_at91_led_on(int val)
{
    HAL_WRITE_UINT32(AT91_PIO+AT91_PIO_CODR,
                     ((val&0xf)<<16)|(((val&0xf0)>>4)<<3));
}
 
void
hal_at91_led_off(int val)
{
    HAL_WRITE_UINT32(AT91_PIO+AT91_PIO_SODR,
                     ((val&0xf)<<3)|((val&0xf0)<<12));
}
 
int
hal_at91_get_leds(void)
{
    int leds = 0;
    HAL_READ_UINT32(AT91_PIO+AT91_PIO_PDSR, leds);
    return (((leds>>3)&0xf)<<4)|((leds>>16)&0xf);
}
 
//--------------------------------------------------------------------------
// EOF eb40_misc.c
 

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