jtst_misc.c
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C
112 行
//==========================================================================
//
// jtst_misc.c
//
// HAL misc board support code for Atmel JTST eval board
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
// Copyright (C) 2003 Nick Garnett <nickg@calivar.com>
//
// 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.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): gthomas
// Contributors: gthomas, jskov, tkoeller, nickg,amichelotti
// Date: 2004-06-6
// Purpose: HAL board support
// Description: Implementations of HAL board interfaces
//
//####DESCRIPTIONEND####
//
//========================================================================*/
#include <pkgconf/hal.h>
#include <cyg/hal/hal_io.h>
#include <cyg/hal/hal_misc.h>
#include <cyg/infra/cyg_type.h> // base types
#include <cyg/hal/var_io.h> // platform registers
// in JTST only has a 7 segments display available
void
hal_at91_led(int val){
unsigned led=BIT27|BIT26|BIT25|BIT24|BIT23|BIT22|BIT21;
// turn all leds off
HAL_WRITE_UINT32(AT91_PIO+AT91_PIO_SODR,led);
switch(val&0xf){
case 0:
led = BIT27|BIT26|BIT25|BIT24|BIT23|BIT21;
break;
case 1:
led = BIT26|BIT25;
break;
case 2:
led = BIT27|BIT26|BIT24|BIT23|BIT22;
break;
case 3:
led = BIT27|BIT26|BIT25|BIT24|BIT22;
break;
case 4:
led = BIT26|BIT21|BIT22|BIT25;
break;
case 5:
led = BIT27|BIT25|BIT24|BIT21|BIT22;
break;
case 6:
led = BIT27|BIT25|BIT24|BIT21|BIT22|BIT23;
break;
case 7:
led = BIT27|BIT26|BIT25;
break;
case 8:
led = BIT27|BIT26|BIT25|BIT24|BIT23|BIT22|BIT21;
break;
case 9:
led = BIT27|BIT26|BIT25|BIT22|BIT21;
break;
default: // Show an E for out of range values
led = BIT27|BIT24|BIT23|BIT22|BIT21;
}
// leds on
HAL_WRITE_UINT32(AT91_PIO+AT91_PIO_CODR,led);
}
void
hal_at91_set_leds(int val){
hal_at91_led(val);
}
//--------------------------------------------------------------------------
// EOF jtst_misc.c
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