/* | |
FreeRTOS V7.0.0 - Copyright (C) 2011 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* FreeRTOS tutorial books are available in pdf and paperback. * | |
* Complete, revised, and edited pdf reference manuals are also * | |
* available. * | |
* * | |
* Purchasing FreeRTOS documentation will not only help you, by * | |
* ensuring you get running as quickly as possible and with an * | |
* in-depth knowledge of how to use FreeRTOS, it will also help * | |
* the FreeRTOS project to continue with its mission of providing * | |
* professional grade, cross platform, de facto standard solutions * | |
* for microcontrollers - completely free of charge! * | |
* * | |
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
* * | |
* Thank you for using FreeRTOS, and thank you for your support! * | |
* * | |
*************************************************************************** | |
This file is part of the FreeRTOS distribution. | |
FreeRTOS 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 modification to the GPL is included to allow you to | |
distribute a combined work that includes FreeRTOS without being obliged to | |
provide the source code for proprietary components outside of the FreeRTOS | |
kernel. FreeRTOS 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 and the FreeRTOS license exception along with FreeRTOS; if not it | |
can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
by writing to Richard Barry, contact details for whom are available on the | |
FreeRTOS WEB site. | |
1 tab == 4 spaces! | |
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; | |
} | |
} |