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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ColdFire_MCF52259_CodeWarrior/] [ParTest/] [ParTest.c] - Blame information for rev 578

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1 578 jeremybenn
/*
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    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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    ***************************************************************************
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    *                                                                         *
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    * If you are:                                                             *
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    *                                                                         *
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    *    + New to FreeRTOS,                                                   *
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    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
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    *    + Looking for basic training,                                        *
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    *    + Wanting to improve your FreeRTOS skills and productivity           *
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    *                                                                         *
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    * then take a look at the FreeRTOS books - available as PDF or paperback  *
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    *                                                                         *
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    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
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    *                  http://www.FreeRTOS.org/Documentation                  *
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    *                                                                         *
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    * A pdf reference manual is also available.  Both are usually delivered   *
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    * to your inbox within 20 minutes to two hours when purchased between 8am *
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    * and 8pm GMT (although please allow up to 24 hours in case of            *
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    * exceptional circumstances).  Thank you for your support!                *
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    *                                                                         *
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    ***************************************************************************
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    This file is part of the FreeRTOS distribution.
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    FreeRTOS is free software; you can redistribute it and/or modify it under
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    the terms of the GNU General Public License (version 2) as published by the
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    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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    ***NOTE*** The exception to the GPL is included to allow you to distribute
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    a combined work that includes FreeRTOS without being obliged to provide the
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    source code for proprietary components outside of the FreeRTOS kernel.
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    FreeRTOS 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 for
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    more details. You should have received a copy of the GNU General Public
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    License and the FreeRTOS license exception along with FreeRTOS; if not it
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    can be viewed here: http://www.freertos.org/a00114.html and also obtained
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    by writing to Richard Barry, contact details for whom are available on the
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    FreeRTOS WEB site.
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    1 tab == 4 spaces!
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    http://www.FreeRTOS.org - Documentation, latest information, license and
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    contact details.
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    http://www.SafeRTOS.com - A version that is certified for use in safety
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    critical systems.
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    http://www.OpenRTOS.com - Commercial support, development, porting,
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    licensing and training services.
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*/
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/*
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        Changes from V2.5.2
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        + All LED's are turned off to start.
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*/
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#include "FreeRTOS.h"
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#include "task.h"
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#include "partest.h"
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#define partstNUM_LEDs  4
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/*-----------------------------------------------------------
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 * Simple parallel port IO routines.
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 *-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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    /* Enable signals as GPIO */
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    MCF_GPIO_PTCPAR = 0
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        | MCF_GPIO_PTCPAR_DTIN3_GPIO
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        | MCF_GPIO_PTCPAR_DTIN2_GPIO
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        | MCF_GPIO_PTCPAR_DTIN1_GPIO
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        | MCF_GPIO_PTCPAR_DTIN0_GPIO;
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    /* Enable signals as digital outputs */
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    MCF_GPIO_DDRTC = 0
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        | MCF_GPIO_DDRTC_DDRTC3
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        | MCF_GPIO_DDRTC_DDRTC2
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        | MCF_GPIO_DDRTC_DDRTC1
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        | MCF_GPIO_DDRTC_DDRTC0;
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        MCF_GPIO_PORTTC = 0x00; // TURN LEDS OFF
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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{
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unsigned portBASE_TYPE uxLEDMask;
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        if( uxLED < partstNUM_LEDs )
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        {
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                uxLEDMask = 1UL << uxLED;
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                taskENTER_CRITICAL();
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                {
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                        if( xValue )
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                        {
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                                MCF_GPIO_PORTTC |= uxLEDMask;
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                        }
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                        else
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                        {
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                                MCF_GPIO_PORTTC &= ~uxLEDMask;
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                        }
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                }
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                taskEXIT_CRITICAL();
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        }
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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{
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unsigned portBASE_TYPE uxLEDMask;
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        if( uxLED < partstNUM_LEDs )
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        {
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                uxLEDMask = 1UL << uxLED;
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                taskENTER_CRITICAL();
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                {
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                        if( MCF_GPIO_PORTTC & uxLEDMask )
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                        {
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                                MCF_GPIO_PORTTC &= ~uxLEDMask;
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                        }
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                        else
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                        {
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                                MCF_GPIO_PORTTC |= uxLEDMask;
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                        }
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                }
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                taskEXIT_CRITICAL();
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        }
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}
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