root/webserver/example/freeRTOS/Demo/ARM7_LPC2368_Rowley/ParTest/ParTest.c

/*
        FreeRTOS V5.4.1 - Copyright (C) 2009 Real Time Engineers Ltd.

        This file is part of the FreeRTOS distribution.

        FreeRTOS is free software; you can redistribute it and/or modify it     under 
        the terms of the GNU General Public License (version 2) as published by the 
        Free Software Foundation and modified by the FreeRTOS exception.
        **NOTE** The exception to the GPL is included to allow you to distribute a
        combined work that includes FreeRTOS without being obliged to provide the 
        source code for proprietary components outside of the FreeRTOS kernel.  
        Alternative commercial license and support terms are also available upon 
        request.  See the licensing section of http://www.FreeRTOS.org for full 
        license details.

        FreeRTOS 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 FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
        Temple Place, Suite 330, Boston, MA  02111-1307  USA.


        ***************************************************************************
        *                                                                         *
        * Looking for a quick start?  Then check out the FreeRTOS eBook!          *
        * See http://www.FreeRTOS.org/Documentation for details                   *
        *                                                                         *
        ***************************************************************************

        1 tab == 4 spaces!

        Please ensure to read the configuration and relevant port sections of the
        online documentation.

        http://www.FreeRTOS.org - Documentation, latest information, license and
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        http://www.SafeRTOS.com - A version that is certified for use in safety
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*/

/* FreeRTOS.org includes. */
#include "FreeRTOS.h"

/* Demo application includes. */
#include "partest.h"

#define partstFIRST_IO                  ( ( unsigned portLONG ) 0x01 )
#define partstNUM_LEDS                  ( 8 )
#define partstALL_OUTPUTS_OFF   ( ( unsigned portLONG ) 0xff )

/*-----------------------------------------------------------
 * Simple parallel port IO routines.
 *-----------------------------------------------------------*/

void vParTestInitialise( void )
{
        PINSEL10 = 0;
        FIO2DIR  = 0x000000FF;
        FIO2MASK = 0x00000000;
        FIO2CLR  = 0xFF;
        SCS |= (1<<0); //fast mode for port 0 and 1

    FIO2CLR = partstALL_OUTPUTS_OFF;
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
unsigned portLONG ulLED = partstFIRST_IO;

        if( uxLED < partstNUM_LEDS )
        {
                /* Rotate to the wanted bit of port */
                ulLED <<= ( unsigned portLONG ) uxLED;

                /* Set of clear the output. */
                if( xValue )
                {
                        FIO2CLR = ulLED;
                }
                else
                {
                        FIO2SET = ulLED;
                }
        }
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
unsigned portLONG ulLED = partstFIRST_IO, ulCurrentState;

        if( uxLED < partstNUM_LEDS )
        {
                /* Rotate to the wanted bit of port 0.  Only P10 to P13 have an LED
                attached. */
                ulLED <<= ( unsigned portLONG ) uxLED;

                /* If this bit is already set, clear it, and visa versa. */
                ulCurrentState = FIO2PIN;
                if( ulCurrentState & ulLED )
                {
                        FIO2CLR = ulLED;
                }
                else
                {
                        FIO2SET = ulLED;                        
                }
        }       
}

/*-----------------------------------------------------------*/
unsigned portBASE_TYPE uxParTextGetLED( unsigned portBASE_TYPE uxLED )
{
unsigned portLONG ulLED = partstFIRST_IO;
    
    ulLED <<= ( unsigned portLONG ) uxLED;

    return ( FIO2PIN & ulLED );
}