/* FreeRTOS.org V5.1.2 - 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 as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. 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 A special exception to the GPL can be applied should you wish to distribute a combined work that includes FreeRTOS.org, without being obliged to provide the source code for any proprietary components. See the licensing section of http://www.FreeRTOS.org for full details of how and when the exception can be applied. *************************************************************************** *************************************************************************** * * * 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. * * * *************************************************************************** *************************************************************************** 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" /* Library includes. */ #include "stm32f10x_lib.h" #define partstMAX_OUTPUT_LED ( 4 ) #define partstFIRST_LED GPIO_Pin_6 static unsigned portSHORT usOutputValue = 0; /*-----------------------------------------------------------*/ void vParTestInitialise( void ) { GPIO_InitTypeDef GPIO_InitStructure; /* Configure PC.06, PC.07, PC.08 and PC.09 as output push-pull */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init( GPIOC, &GPIO_InitStructure ); } /*-----------------------------------------------------------*/ void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) { unsigned portSHORT usBit; vTaskSuspendAll(); { if( uxLED < partstMAX_OUTPUT_LED ) { usBit = partstFIRST_LED << uxLED; if( xValue == pdFALSE ) { usBit ^= ( unsigned portSHORT ) 0xffff; usOutputValue &= usBit; } else { usOutputValue |= usBit; } GPIO_Write( GPIOC, usOutputValue ); } } xTaskResumeAll(); } /*-----------------------------------------------------------*/ void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) { unsigned portSHORT usBit; vTaskSuspendAll(); { if( uxLED < partstMAX_OUTPUT_LED ) { usBit = partstFIRST_LED << uxLED; if( usOutputValue & usBit ) { usOutputValue &= ~usBit; } else { usOutputValue |= usBit; } GPIO_Write( GPIOC, usOutputValue ); } } xTaskResumeAll(); } /*-----------------------------------------------------------*/