Subversion Repositories openrisc_2011-10-31

//--------------------------------------------------------------------------//

//----------------------- COPIED FROM AVR32 EXAMPLE ------------------------//

//--------------------------------------------------------------------------//

/*This file has been prepared for Doxygen automatic documentation generation.*/

/*! \file *********************************************************************

 *

 * \brief FreeRTOS LEDs Management for AVR32 UC3.

 *

 * - Compiler:           IAR EWAVR32 and GNU GCC for AVR32

 * - Supported devices:  All AVR32 devices can be used.

 * - AppNote:

 *

 * \author               Atmel Corporation: http://www.atmel.com \n

 *                       Support and FAQ: http://support.atmel.no/

 *

 *****************************************************************************/

/* Copyright (c) 2007, Atmel Corporation All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *

 * 1. Redistributions of source code must retain the above copyright notice,

 * this list of conditions and the following disclaimer.

 *

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 * this list of conditions and the following disclaimer in the documentation

 * and/or other materials provided with the distribution.

 *

 * 3. The name of ATMEL may not be used to endorse or promote products derived

 * from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED

 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND

 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,

 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "FreeRTOS.h"

#include "task.h"

#include "partest.h"

#include "gpio.h"

/*-----------------------------------------------------------

 * Simple parallel port IO routines.

 *-----------------------------------------------------------*/

#define partstALL_OUTPUTS_OFF   ( ( unsigned portCHAR ) 0x00 )

#define partstMAX_OUTPUT_LED    ( ( unsigned portCHAR ) 0x08 )

static volatile unsigned portCHAR ucCurrentOutputValue = partstALL_OUTPUTS_OFF;

/*-----------------------------------------------------------*/

void vParTestInitialise( void )

{

        gpio_write(0, partstALL_OUTPUTS_OFF);

}

/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )

{

        unsigned portCHAR ucBit;

        if( uxLED >= partstMAX_OUTPUT_LED )

        {

                return;

        }

        ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED;

        vTaskSuspendAll();

        {

                if( xValue == pdTRUE )

                {

                        ucCurrentOutputValue |= ucBit;

                }

                else

                {

                        ucCurrentOutputValue &= ~ucBit;

                }

                gpio_write(0, ucCurrentOutputValue);

        }

        xTaskResumeAll();

}

/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )

{

        unsigned portCHAR ucBit;

        if( uxLED >= partstMAX_OUTPUT_LED )

        {

                return;

        }

        ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED;

        vTaskSuspendAll();

        {

                ucCurrentOutputValue ^= ucBit;

                gpio_write(0, ucCurrentOutputValue);

        }

        xTaskResumeAll();

}