//==========================================================================
//
//      olpch2294_misc.c
//
//      HAL misc board support code for Olimex LPC-H2294 header board
//
//==========================================================================
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// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2008 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     
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// version.                                                                 
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
// for more details.                                                        
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// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
//
// As a special exception, if other files instantiate templates or use      
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// General Public License v2.                                               
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// ####ECOSGPLCOPYRIGHTEND####                                              
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     Sergei Gavrikov
// Contributors:  Sergei Gavrikov
// Date:          2008-08-31
// Purpose:       HAL board support
// Description:   Implementations of HAL board interfaces
//
//####DESCRIPTIONEND####
//
//========================================================================*/

#include <pkgconf/hal.h>
#include <cyg/hal/hal_io.h>     // IO macros

#include <cyg/infra/cyg_type.h> // base types
#include <cyg/hal/var_io.h>

// Newlib provides support for building the run-time elements of C++
// within the toolchain. Modern newlib stuff looks for a _impure_ptr
// entry.
void           *_impure_ptr;

extern void     cyg_hal_plf_serial_init (void);

// There is alone diagnostic LED on the board.
static __inline__ void
_led (bool state)
{
    HAL_WRITE_UINT32 (CYGARC_HAL_LPC2XXX_REG_IO_BASE +
                      CYGARC_HAL_LPC2XXX_REG_IO0SET, (1 << 30));
    if (state)
        HAL_WRITE_UINT32 (CYGARC_HAL_LPC2XXX_REG_IO_BASE +
                          CYGARC_HAL_LPC2XXX_REG_IO0CLR, (1 << 30));
}

//--------------------------------------------------------------------------
// hal_lpc2xxx_set_leds --
//
void
hal_lpc2xxx_set_leds (int mask)
{
    _led (mask & 1);
}

//--------------------------------------------------------------------------
// cyg_hal_plf_comms_init --
//
void
cyg_hal_plf_comms_init (void)
{
    static int      initialized = 0;

    if (initialized)
        return;
    initialized = 1;

    cyg_hal_plf_serial_init ();
}

#ifdef HAL_PLF_HARDWARE_INIT
//--------------------------------------------------------------------------
// hal_plf_hardware_init --
//
void
hal_plf_hardware_init (void)
{
    // Currently, it does nothing
}
#endif // HAL_PLF_HARDWARE_INIT

// indent: --indent-level4 -br -nut; vim: expandtab tabstop=4 shiftwidth=4
//--------------------------------------------------------------------------
// EOF olpch2294_misc.c
