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157 lines
4.9 KiB
C
157 lines
4.9 KiB
C
/*
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FreeRTOS.org V5.3.1 - Copyright (C) 2003-2009 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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FreeRTOS.org is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License (version 2) as published
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by the 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 a
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combined work that includes FreeRTOS.org without being obliged to provide
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the source code for any proprietary components. Alternative commercial
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license and support terms are also available upon request. See the
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licensing section of http://www.FreeRTOS.org for full details.
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FreeRTOS.org 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.
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You should have received a copy of the GNU General Public License along
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with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59
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Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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***************************************************************************
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* *
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* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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* *
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* This is a concise, step by step, 'hands on' guide that describes both *
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* general multitasking concepts and FreeRTOS specifics. It presents and *
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* explains numerous examples that are written using the FreeRTOS API. *
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* Full source code for all the examples is provided in an accompanying *
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* .zip file. *
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* *
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***************************************************************************
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1 tab == 4 spaces!
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Please ensure to read the configuration and relevant port sections of the
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online documentation.
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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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/* Library includes. */
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#include "75x_GPIO.h"
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#include "75x_map.h"
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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/* Demo application includes. */
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#include "partest.h"
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/*-----------------------------------------------------------
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* Simple parallel port IO routines for the LED's
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*-----------------------------------------------------------*/
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#define partstNUM_LEDS 4
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typedef struct GPIOMAP
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{
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GPIO_TypeDef *pxPort;
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unsigned portLONG ulPin;
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unsigned portLONG ulValue;
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} GPIO_MAP;
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static GPIO_MAP xLEDMap[ partstNUM_LEDS ] =
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{
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{ ( GPIO_TypeDef * )GPIO1_BASE, GPIO_Pin_1, 0UL },
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{ ( GPIO_TypeDef * )GPIO0_BASE, GPIO_Pin_16, 0UL },
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{ ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_18, 0UL },
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{ ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_19, 0UL }
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};
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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GPIO_InitTypeDef GPIO_InitStructure ;
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/* Configure the bits used to flash LED's on port 1 as output. */
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/* Configure LED3 */
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_16;
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GPIO_Init(GPIO0,&GPIO_InitStructure);
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/* Configure LED2 */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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GPIO_Init(GPIO1, &GPIO_InitStructure);
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/* Configure LED4 and LED5 */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_18 | GPIO_Pin_19;
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GPIO_Init(GPIO2, &GPIO_InitStructure);
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vParTestSetLED( 0, 0 );
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vParTestSetLED( 1, 0 );
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vParTestSetLED( 2, 0 );
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vParTestSetLED( 3, 0 );
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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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if( uxLED < partstNUM_LEDS )
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{
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portENTER_CRITICAL();
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{
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if( xValue )
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{
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GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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xLEDMap[ uxLED ].ulValue = 0;
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}
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else
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{
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GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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xLEDMap[ uxLED ].ulValue = 1;
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}
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}
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portEXIT_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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if( uxLED < partstNUM_LEDS )
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{
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portENTER_CRITICAL();
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{
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if( xLEDMap[ uxLED ].ulValue == 1 )
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{
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GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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xLEDMap[ uxLED ].ulValue = 0;
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}
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else
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{
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GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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xLEDMap[ uxLED ].ulValue = 1;
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}
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}
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portEXIT_CRITICAL();
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}
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}
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