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New STM32 demo added.

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Richard Barry 2009-06-20 18:42:08 +00:00
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commit e52a6e390e
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Demo/CORTEX_STM32F107_GCC_Rowley/ParTest/ParTest.c Normal file
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/*
FreeRTOS.org V5.3.0 - Copyright (C) 2003-2009 Richard Barry.
This file is part of the FreeRTOS.org distribution.
FreeRTOS.org 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.org without being obliged to provide
the source code for any proprietary components. Alternative commercial
license and support terms are also available upon request. See the
licensing section of http://www.FreeRTOS.org for full details.
FreeRTOS.org 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.org; if not, write to the Free Software Foundation, Inc., 59
Temple Place, Suite 330, Boston, MA 02111-1307 USA.
***************************************************************************
* *
* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
* *
* This is a concise, step by step, 'hands on' guide that describes both *
* general multitasking concepts and FreeRTOS specifics. It presents and *
* explains numerous examples that are written using the FreeRTOS API. *
* Full source code for all the examples is provided in an accompanying *
* .zip file. *
* *
***************************************************************************
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
contact details.
http://www.SafeRTOS.com - A version that is certified for use in safety
critical systems.
http://www.OpenRTOS.com - Commercial support, development, porting,
licensing and training services.
*/
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
/* FreeRTOS.org includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"
/* Standard includes. */
#include <string.h>
/* Library includes. */
#include "stm32f10x_lib.h"
#define partstNUM_LEDs 4
/* Holds the current output state for each of the LEDs. */
static unsigned char ucBitStates[ partstNUM_LEDs ];
/* Holds the port used by each of the LEDs. */
static GPIO_TypeDef * uxIO_Port[ partstNUM_LEDs ];
/* Holds the pin used by each of the LEDs. */
static const unsigned short uxIO_Pins[ partstNUM_LEDs ] = { GPIO_Pin_14, GPIO_Pin_13, GPIO_Pin_3, GPIO_Pin_4 };
/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure PE14, PD13, PD3 and PD4 output push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init( GPIOE, &GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init( GPIOD, &GPIO_InitStructure );
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init( GPIOD, &GPIO_InitStructure );
memset( ucBitStates, 0x00, sizeof( ucBitStates ) );
uxIO_Port[ 0 ] = GPIOE;
uxIO_Port[ 1 ] = GPIOD;
uxIO_Port[ 2 ] = GPIOD;
uxIO_Port[ 3 ] = GPIOD;
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
if( uxLED < partstNUM_LEDs )
{
portENTER_CRITICAL();
{
if( xValue != pdFALSE )
{
ucBitStates[ uxLED ] = pdTRUE;
}
else
{
ucBitStates[ uxLED ] = pdFALSE;
}
GPIO_WriteBit( uxIO_Port[ uxLED ], uxIO_Pins[ uxLED ], ucBitStates[ uxLED ] );
}
portEXIT_CRITICAL();
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
if( uxLED < partstNUM_LEDs )
{
portENTER_CRITICAL();
{
ucBitStates[ uxLED ] = !ucBitStates[ uxLED ];
GPIO_WriteBit( uxIO_Port[ uxLED ], uxIO_Pins[ uxLED ], ucBitStates[ uxLED ] );
}
portEXIT_CRITICAL();
}
}
/*-----------------------------------------------------------*/
portBASE_TYPE xGetLEDState( unsigned portBASE_TYPE uxLED )
{
if( uxLED < partstNUM_LEDs )
{
return ( portBASE_TYPE ) ucBitStates[ uxLED ];
}
else
{
return 0;
}
}