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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ARM7_AT91FR40008_GCC/] [ParTest/] [ParTest.c] - Blame information for rev 577

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1 577 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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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "portable.h"
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/* Demo app includes. */
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#include "partest.h"
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/* Hardware specific definitions. */
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#include "AT91R40008.h"
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#include "pio.h"
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#include "aic.h"
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#define partstNUM_LEDS                  ( 8 )
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#define partstALL_OUTPUTS_OFF   ( ( unsigned long ) ~(0xFFFFFFFF << partstNUM_LEDS) )
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static unsigned long ulLEDReg;
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/*-----------------------------------------------------------
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 * Simple parallel port IO routines.
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 *-----------------------------------------------------------*/
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static void SetLeds (unsigned int leds)
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{
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unsigned long ulPIOSetReg, ulPIOClearReg;
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        /* LEDs are grouped in different port bits: P3-P6 and P16-P19.
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        A port bit set to '0' turns an LED on, '1' turns it off. */
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        ulPIOSetReg = ( (leds & 0xF) << 16 ) | ( (leds & 0xF0) >> 1 );
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        ulPIOClearReg = (~ulPIOSetReg) & 0x000F0078;
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        AT91C_BASE_PIO->PIO_SODR = ulPIOSetReg;
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        AT91C_BASE_PIO->PIO_CODR = ulPIOClearReg;
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}
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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        /* This is performed from main() as the io bits are shared with other setup
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        functions.  Ensure the outputs are off to start. */
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        ulLEDReg = partstALL_OUTPUTS_OFF;
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        /* Enable clock to PIO... */
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        AT91C_BASE_PS->PS_PCER = AT91C_PS_PIO;
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        /* Enable all 8 LEDs and the four switches to be controlled by PIO... */
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        AT91C_BASE_PIO->PIO_PER = P3 | P4 | P5 | P6 | P16 | P17 | P18 | P19 | P1 | P2 | P9 | P12;
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        /* Configure all LED PIO lines for output... */
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        AT91C_BASE_PIO->PIO_OER = P3 | P4 | P5 | P6 | P16 | P17 | P18 | P19;
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        /* Configure all switch PIO lines for input... */
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        AT91C_BASE_PIO->PIO_ODR = P1 | P2 | P9 | P12;
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        /* Set initial state of LEDs. */
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        SetLeds( ulLEDReg );
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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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        /* Switch an LED on or off as requested. */
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        if (uxLED < partstNUM_LEDS)
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        {
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                if( xValue )
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                {
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                        ulLEDReg &= ~(1 << uxLED);
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                }
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                else
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                {
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                        ulLEDReg |= (1 << uxLED);
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                }
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                SetLeds( ulLEDReg );
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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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        /* Toggle the state of the requested LED. */
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        if (uxLED < partstNUM_LEDS)
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        {
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                ulLEDReg ^= ( 1 << uxLED );
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                SetLeds( ulLEDReg );
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        }
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}
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