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authorMatthias P. Braendli <matthias.braendli@mpb.li>2015-12-03 18:44:41 +0100
committerMatthias P. Braendli <matthias.braendli@mpb.li>2015-12-03 18:44:41 +0100
commit225b3a3742ab60473503fdb707c6fe941a4bb88f (patch)
treef74298b7e16fd96e9e0322143b3302a84c8fcfdd /src/test1/inc/FreeRTOS/Source/include/StackMacros.h
parent3ec59138f18c8c622306455390aab69d0cf252a8 (diff)
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Add test1 example
Diffstat (limited to 'src/test1/inc/FreeRTOS/Source/include/StackMacros.h')
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+/*
+ FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd.
+ All rights reserved
+
+ VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
+
+ ***************************************************************************
+ * *
+ * FreeRTOS provides completely free yet professionally developed, *
+ * robust, strictly quality controlled, supported, and cross *
+ * platform software that has become a de facto standard. *
+ * *
+ * Help yourself get started quickly and support the FreeRTOS *
+ * project by purchasing a FreeRTOS tutorial book, reference *
+ * manual, or both from: http://www.FreeRTOS.org/Documentation *
+ * *
+ * Thank you! *
+ * *
+ ***************************************************************************
+
+ 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. Full license text is available from the following
+ link: http://www.freertos.org/a00114.html
+
+ 1 tab == 4 spaces!
+
+ ***************************************************************************
+ * *
+ * Having a problem? Start by reading the FAQ "My application does *
+ * not run, what could be wrong?" *
+ * *
+ * http://www.FreeRTOS.org/FAQHelp.html *
+ * *
+ ***************************************************************************
+
+ http://www.FreeRTOS.org - Documentation, books, training, latest versions,
+ license and Real Time Engineers Ltd. contact details.
+
+ http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
+ including FreeRTOS+Trace - an indispensable productivity tool, a DOS
+ compatible FAT file system, and our tiny thread aware UDP/IP stack.
+
+ http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
+ Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
+ licenses offer ticketed support, indemnification and middleware.
+
+ http://www.SafeRTOS.com - High Integrity Systems also provide a safety
+ engineered and independently SIL3 certified version for use in safety and
+ mission critical applications that require provable dependability.
+
+ 1 tab == 4 spaces!
+*/
+
+#ifndef STACK_MACROS_H
+#define STACK_MACROS_H
+
+/*
+ * Call the stack overflow hook function if the stack of the task being swapped
+ * out is currently overflowed, or looks like it might have overflowed in the
+ * past.
+ *
+ * Setting configCHECK_FOR_STACK_OVERFLOW to 1 will cause the macro to check
+ * the current stack state only - comparing the current top of stack value to
+ * the stack limit. Setting configCHECK_FOR_STACK_OVERFLOW to greater than 1
+ * will also cause the last few stack bytes to be checked to ensure the value
+ * to which the bytes were set when the task was created have not been
+ * overwritten. Note this second test does not guarantee that an overflowed
+ * stack will always be recognised.
+ */
+
+/*-----------------------------------------------------------*/
+
+#if( configCHECK_FOR_STACK_OVERFLOW == 0 )
+
+ /* FreeRTOSConfig.h is not set to check for stack overflows. */
+ #define taskFIRST_CHECK_FOR_STACK_OVERFLOW()
+ #define taskSECOND_CHECK_FOR_STACK_OVERFLOW()
+
+#endif /* configCHECK_FOR_STACK_OVERFLOW == 0 */
+/*-----------------------------------------------------------*/
+
+#if( configCHECK_FOR_STACK_OVERFLOW == 1 )
+
+ /* FreeRTOSConfig.h is only set to use the first method of
+ overflow checking. */
+ #define taskSECOND_CHECK_FOR_STACK_OVERFLOW()
+
+#endif
+/*-----------------------------------------------------------*/
+
+#if( ( configCHECK_FOR_STACK_OVERFLOW > 0 ) && ( portSTACK_GROWTH < 0 ) )
+
+ /* Only the current stack state is to be checked. */
+ #define taskFIRST_CHECK_FOR_STACK_OVERFLOW() \
+ { \
+ /* Is the currently saved stack pointer within the stack limit? */ \
+ if( pxCurrentTCB->pxTopOfStack <= pxCurrentTCB->pxStack ) \
+ { \
+ vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
+ } \
+ }
+
+#endif /* configCHECK_FOR_STACK_OVERFLOW > 0 */
+/*-----------------------------------------------------------*/
+
+#if( ( configCHECK_FOR_STACK_OVERFLOW > 0 ) && ( portSTACK_GROWTH > 0 ) )
+
+ /* Only the current stack state is to be checked. */
+ #define taskFIRST_CHECK_FOR_STACK_OVERFLOW() \
+ { \
+ \
+ /* Is the currently saved stack pointer within the stack limit? */ \
+ if( pxCurrentTCB->pxTopOfStack >= pxCurrentTCB->pxEndOfStack ) \
+ { \
+ vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
+ } \
+ }
+
+#endif /* configCHECK_FOR_STACK_OVERFLOW == 1 */
+/*-----------------------------------------------------------*/
+
+#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) && ( portSTACK_GROWTH < 0 ) )
+
+ #define taskSECOND_CHECK_FOR_STACK_OVERFLOW() \
+ { \
+ static const uint8_t ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
+ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
+ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
+ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
+ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE }; \
+ \
+ \
+ /* Has the extremity of the task stack ever been written over? */ \
+ if( memcmp( ( void * ) pxCurrentTCB->pxStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) != 0 ) \
+ { \
+ vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
+ } \
+ }
+
+#endif /* #if( configCHECK_FOR_STACK_OVERFLOW > 1 ) */
+/*-----------------------------------------------------------*/
+
+#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) && ( portSTACK_GROWTH > 0 ) )
+
+ #define taskSECOND_CHECK_FOR_STACK_OVERFLOW() \
+ { \
+ int8_t *pcEndOfStack = ( int8_t * ) pxCurrentTCB->pxEndOfStack; \
+ static const uint8_t ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
+ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
+ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
+ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
+ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE }; \
+ \
+ \
+ pcEndOfStack -= sizeof( ucExpectedStackBytes ); \
+ \
+ /* Has the extremity of the task stack ever been written over? */ \
+ if( memcmp( ( void * ) pcEndOfStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) != 0 ) \
+ { \
+ vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
+ } \
+ }
+
+#endif /* #if( configCHECK_FOR_STACK_OVERFLOW > 1 ) */
+/*-----------------------------------------------------------*/
+
+#endif /* STACK_MACROS_H */
+
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