/*\r
- FreeRTOS.org V5.3.0 - Copyright (C) 2003-2009 Richard Barry.\r
-\r
- This file is part of the FreeRTOS.org distribution.\r
-\r
- FreeRTOS.org is free software; you can redistribute it and/or modify it\r
- under the terms of the GNU General Public License (version 2) as published\r
- by the Free Software Foundation and modified by the FreeRTOS exception.\r
- **NOTE** The exception to the GPL is included to allow you to distribute a\r
- combined work that includes FreeRTOS.org without being obliged to provide\r
- the source code for any proprietary components. Alternative commercial\r
- license and support terms are also available upon request. See the\r
- licensing section of http://www.FreeRTOS.org for full details.\r
-\r
- FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT\r
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
- more details.\r
-\r
- You should have received a copy of the GNU General Public License along\r
- with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59\r
- Temple Place, Suite 330, Boston, MA 02111-1307 USA.\r
-\r
-\r
- ***************************************************************************\r
- * *\r
- * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *\r
- * *\r
- * This is a concise, step by step, 'hands on' guide that describes both *\r
- * general multitasking concepts and FreeRTOS specifics. It presents and *\r
- * explains numerous examples that are written using the FreeRTOS API. *\r
- * Full source code for all the examples is provided in an accompanying *\r
- * .zip file. *\r
- * *\r
- ***************************************************************************\r
-\r
- 1 tab == 4 spaces!\r
-\r
- Please ensure to read the configuration and relevant port sections of the\r
- online documentation.\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
+ FreeRTOS V6.1.0 - Copyright (C) 2010 Real Time Engineers Ltd.\r
+\r
+ ***************************************************************************\r
+ * *\r
+ * If you are: *\r
+ * *\r
+ * + New to FreeRTOS, *\r
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *\r
+ * + Looking for basic training, *\r
+ * + Wanting to improve your FreeRTOS skills and productivity *\r
+ * *\r
+ * then take a look at the FreeRTOS books - available as PDF or paperback *\r
+ * *\r
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *\r
+ * http://www.FreeRTOS.org/Documentation *\r
+ * *\r
+ * A pdf reference manual is also available. Both are usually delivered *\r
+ * to your inbox within 20 minutes to two hours when purchased between 8am *\r
+ * and 8pm GMT (although please allow up to 24 hours in case of *\r
+ * exceptional circumstances). Thank you for your support! *\r
+ * *\r
+ ***************************************************************************\r
+\r
+ This file is part of the FreeRTOS distribution.\r
+\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 exception to the GPL is included to allow you to distribute\r
+ a combined work that includes FreeRTOS without being obliged to provide the\r
+ source code for proprietary components outside of the FreeRTOS kernel.\r
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT\r
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
+ 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
+ 1 tab == 4 spaces!\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
*/\r
\r
/*-----------------------------------------------------------\r
#endif\r
\r
/* Constants required to manipulate the NVIC. */\r
-#define portNVIC_SYSTICK_CTRL ( ( volatile unsigned portLONG *) 0xe000e010 )\r
-#define portNVIC_SYSTICK_LOAD ( ( volatile unsigned portLONG *) 0xe000e014 )\r
-#define portNVIC_INT_CTRL ( ( volatile unsigned portLONG *) 0xe000ed04 )\r
-#define portNVIC_SYSPRI2 ( ( volatile unsigned portLONG *) 0xe000ed20 )\r
+#define portNVIC_SYSTICK_CTRL ( ( volatile unsigned long *) 0xe000e010 )\r
+#define portNVIC_SYSTICK_LOAD ( ( volatile unsigned long *) 0xe000e014 )\r
+#define portNVIC_INT_CTRL ( ( volatile unsigned long *) 0xe000ed04 )\r
+#define portNVIC_SYSPRI2 ( ( volatile unsigned long *) 0xe000ed20 )\r
#define portNVIC_SYSTICK_CLK 0x00000004\r
#define portNVIC_SYSTICK_INT 0x00000002\r
#define portNVIC_SYSTICK_ENABLE 0x00000001\r
#define portNVIC_PENDSVSET 0x10000000\r
-#define portNVIC_PENDSV_PRI ( ( ( unsigned portLONG ) configKERNEL_INTERRUPT_PRIORITY ) << 16 )\r
-#define portNVIC_SYSTICK_PRI ( ( ( unsigned portLONG ) configKERNEL_INTERRUPT_PRIORITY ) << 24 )\r
+#define portNVIC_PENDSV_PRI ( ( ( unsigned long ) configKERNEL_INTERRUPT_PRIORITY ) << 16 )\r
+#define portNVIC_SYSTICK_PRI ( ( ( unsigned long ) configKERNEL_INTERRUPT_PRIORITY ) << 24 )\r
\r
/* Constants required to set up the initial stack. */\r
#define portINITIAL_XPSR ( 0x01000000 )\r
\r
/* The priority used by the kernel is assigned to a variable to make access\r
from inline assembler easier. */\r
-const unsigned portLONG ulKernelPriority = configKERNEL_INTERRUPT_PRIORITY;\r
+const unsigned long ulKernelPriority = configKERNEL_INTERRUPT_PRIORITY;\r
\r
/* Each task maintains its own interrupt status in the critical nesting\r
variable. */\r
{\r
/* Simulate the stack frame as it would be created by a context switch\r
interrupt. */\r
+ pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */\r
*pxTopOfStack = portINITIAL_XPSR; /* xPSR */\r
pxTopOfStack--;\r
*pxTopOfStack = ( portSTACK_TYPE ) pxCode; /* PC */\r
" ldr r0, [r0] \n"\r
" ldr r0, [r0] \n"\r
" msr msp, r0 \n" /* Set the msp back to the start of the stack. */\r
+ " cpsie i \n"\r
" svc 0 \n" /* System call to start first task. */\r
+ " nop \n"\r
);\r
}\r
/*-----------------------------------------------------------*/\r
\r
void xPortSysTickHandler( void )\r
{\r
-unsigned portLONG ulDummy;\r
+unsigned long ulDummy;\r
\r
/* If using preemption, also force a context switch. */\r
#if configUSE_PREEMPTION == 1\r