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