X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=Source%2Fportable%2FGCC%2FSTR75x%2Fport.c;h=766fbb451d1959cf1bd43449c00c4e18fd1ef41a;hb=6f7e62ab8caf796690a8030eba9459b36216227d;hp=be2ccabb2f2d4dec6ac35649d3b30b55e7a3a3b0;hpb=a62f84663eb0714fa497d6cd64458e694a002308;p=freertos diff --git a/Source/portable/GCC/STR75x/port.c b/Source/portable/GCC/STR75x/port.c index be2ccabb2..766fbb451 100644 --- a/Source/portable/GCC/STR75x/port.c +++ b/Source/portable/GCC/STR75x/port.c @@ -1,36 +1,54 @@ /* - FreeRTOS.org V4.3.1 - Copyright (C) 2003-2007 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. - - *************************************************************************** - See http://www.FreeRTOS.org for documentation, latest information, license - and contact details. Please ensure to read the configuration and relevant - port sections of the online documentation. - - Also see http://www.SafeRTOS.com for an IEC 61508 compliant version along - with commercial development and support options. - *************************************************************************** + FreeRTOS V7.0.1 - 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. */ /*----------------------------------------------------------- @@ -52,7 +70,7 @@ #define portINSTRUCTION_SIZE ( ( portSTACK_TYPE ) 4 ) /* Constants required to handle critical sections. */ -#define portNO_CRITICAL_NESTING ( ( unsigned portLONG ) 0 ) +#define portNO_CRITICAL_NESTING ( ( unsigned long ) 0 ) /* Prescale used on the timer clock when calculating the tick period. */ #define portPRESCALE 20 @@ -77,6 +95,10 @@ portSTACK_TYPE *pxOriginalTOS; pxOriginalTOS = pxTopOfStack; + /* To ensure asserts in tasks.c don't fail, although in this case the assert + is not really required. */ + pxTopOfStack--; + /* Setup the initial stack of the task. The stack is set exactly as expected by the portRESTORE_CONTEXT() macro. */ @@ -178,8 +200,8 @@ TB_InitTypeDef TB_InitStructure; /* Setup the TB for the generation of the tick interrupt. */ TB_InitStructure.TB_Mode = TB_Mode_Timing; TB_InitStructure.TB_CounterMode = TB_CounterMode_Down; - TB_InitStructure.TB_Prescaler = portPRESCALE; - TB_InitStructure.TB_AutoReload = ( ( configCPU_CLOCK_HZ / ( portPRESCALE + 1 ) ) / configTICK_RATE_HZ ) + 1; + TB_InitStructure.TB_Prescaler = portPRESCALE - 1; + TB_InitStructure.TB_AutoReload = ( ( configCPU_CLOCK_HZ / portPRESCALE ) / configTICK_RATE_HZ ); TB_Init(&TB_InitStructure); /* Enable TB Update interrupt */