/*\r
- FreeRTOS.org V5.0.4 - Copyright (C) 2003-2008 Richard Barry.\r
+ FreeRTOS V7.0.1 - Copyright (C) 2011 Real Time Engineers Ltd.\r
+ \r
\r
- This file is part of the FreeRTOS.org distribution.\r
+ ***************************************************************************\r
+ * *\r
+ * FreeRTOS tutorial books are available in pdf and paperback. *\r
+ * Complete, revised, and edited pdf reference manuals are also *\r
+ * available. *\r
+ * *\r
+ * Purchasing FreeRTOS documentation will not only help you, by *\r
+ * ensuring you get running as quickly as possible and with an *\r
+ * in-depth knowledge of how to use FreeRTOS, it will also help *\r
+ * the FreeRTOS project to continue with its mission of providing *\r
+ * professional grade, cross platform, de facto standard solutions *\r
+ * for microcontrollers - completely free of charge! *\r
+ * *\r
+ * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\r
+ * *\r
+ * Thank you for using FreeRTOS, and thank you for your support! *\r
+ * *\r
+ ***************************************************************************\r
\r
- FreeRTOS.org is free software; you can redistribute it and/or modify\r
- it under the terms of the GNU General Public License as published by\r
- the Free Software Foundation; either version 2 of the License, or\r
- (at your option) any later version.\r
\r
- FreeRTOS.org is distributed in the hope that it will be useful,\r
- but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- GNU General Public License for more details.\r
+ This file is part of the FreeRTOS distribution.\r
\r
- You should have received a copy of the GNU General Public License\r
- along with FreeRTOS.org; if not, write to the Free Software\r
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+ FreeRTOS is free software; you can redistribute it and/or modify it under\r
+ the terms of the GNU General Public License (version 2) as published by the\r
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
+ >>>NOTE<<< The modification to the GPL is included to allow you to\r
+ distribute a combined work that includes FreeRTOS without being obliged to\r
+ provide the source code for proprietary components outside of the FreeRTOS\r
+ kernel. FreeRTOS is distributed in the hope that it will be useful, but\r
+ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
+ more details. You should have received a copy of the GNU General Public\r
+ License and the FreeRTOS license exception along with FreeRTOS; if not it\r
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained\r
+ by writing to Richard Barry, contact details for whom are available on the\r
+ FreeRTOS WEB site.\r
\r
- A special exception to the GPL can be applied should you wish to distribute\r
- a combined work that includes FreeRTOS.org, without being obliged to provide\r
- the source code for any proprietary components. See the licensing section\r
- of http://www.FreeRTOS.org for full details of how and when the exception\r
- can be applied.\r
+ 1 tab == 4 spaces!\r
\r
- ***************************************************************************\r
- ***************************************************************************\r
- * *\r
- * SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *\r
- * and even write all or part of your application on your behalf. *\r
- * See http://www.OpenRTOS.com for details of the services we provide to *\r
- * expedite your project. *\r
- * *\r
- ***************************************************************************\r
- ***************************************************************************\r
+ http://www.FreeRTOS.org - Documentation, latest information, license and\r
+ contact details.\r
\r
- Please ensure to read the configuration and relevant port sections of the\r
- online documentation.\r
+ http://www.SafeRTOS.com - A version that is certified for use in safety\r
+ critical systems.\r
\r
- http://www.FreeRTOS.org - Documentation, latest information, license and \r
- contact details.\r
-\r
- http://www.SafeRTOS.com - A version that is certified for use in safety \r
- critical systems.\r
-\r
- http://www.OpenRTOS.com - Commercial support, development, porting, \r
- licensing and training services.\r
+ http://www.OpenRTOS.com - Commercial support, development, porting,\r
+ licensing and training services.\r
*/\r
\r
/*-----------------------------------------------------------\r
- * Implementation of functions defined in portable.h for the ST STR71x ARM7 \r
+ * Implementation of functions defined in portable.h for the ST STR71x ARM7\r
* port.\r
*----------------------------------------------------------*/\r
\r
#include "task.h"\r
\r
/* Constants required to setup the initial stack. */\r
-#define portINITIAL_SPSR ( ( portSTACK_TYPE ) 0x3f ) /* System mode, THUMB mode, interrupts enabled. */\r
+#define portINITIAL_SPSR ( ( portSTACK_TYPE ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */\r
+#define portTHUMB_MODE_BIT ( ( portSTACK_TYPE ) 0x20 )\r
#define portINSTRUCTION_SIZE ( ( portSTACK_TYPE ) 4 )\r
\r
/* Constants required to handle critical sections. */\r
-#define portNO_CRITICAL_NESTING ( ( unsigned portLONG ) 0 )\r
+#define portNO_CRITICAL_NESTING ( ( unsigned long ) 0 )\r
\r
#define portMICROS_PER_SECOND 1000000\r
\r
/* ulCriticalNesting will get set to zero when the first task starts. It\r
cannot be initialised to 0 as this will cause interrupts to be enabled\r
during the kernel initialisation process. */\r
-unsigned portLONG ulCriticalNesting = ( unsigned portLONG ) 9999;\r
+unsigned long ulCriticalNesting = ( unsigned long ) 9999;\r
\r
-/* Tick interrupt routines for cooperative and preemptive operation \r
+/* Tick interrupt routines for cooperative and preemptive operation\r
respectively. The preemptive version is not defined as __irq as it is called\r
from an asm wrapper function. */\r
__arm __irq void vPortNonPreemptiveTick( void );\r
\r
pxOriginalTOS = pxTopOfStack;\r
\r
+ /* To ensure asserts in tasks.c don't fail, although in this case the assert\r
+ is not really required. */\r
+ pxTopOfStack--;\r
+\r
/* Setup the initial stack of the task. The stack is set exactly as\r
expected by the portRESTORE_CONTEXT() macro. */\r
\r
\r
/* The status register is set for system mode, with interrupts enabled. */\r
*pxTopOfStack = ( portSTACK_TYPE ) portINITIAL_SPSR;\r
+ \r
+ if( ( ( unsigned long ) pxCode & 0x01UL ) != 0x00UL )\r
+ {\r
+ /* We want the task to start in thumb mode. */\r
+ *pxTopOfStack |= portTHUMB_MODE_BIT;\r
+ } \r
+ \r
pxTopOfStack--;\r
\r
/* Interrupt flags cannot always be stored on the stack and will\r
vTaskIncrementTick();\r
\r
/* The new tick value might unblock a task. Ensure the highest task that\r
- is ready to execute is the task that will execute when the tick ISR \r
+ is ready to execute is the task that will execute when the tick ISR\r
exits. */\r
vTaskSwitchContext();\r
\r
projects / freertos / blobdiff