/*\r
- FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.\r
- \r
+ FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd. \r
+ All rights reserved\r
+\r
+ VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
\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
+ * FreeRTOS provides completely free yet professionally developed, *\r
+ * robust, strictly quality controlled, supported, and cross *\r
+ * platform software that has become a de facto standard. *\r
* *\r
- * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\r
+ * Help yourself get started quickly and support the FreeRTOS *\r
+ * project by purchasing a FreeRTOS tutorial book, reference *\r
+ * manual, or both from: http://www.FreeRTOS.org/Documentation *\r
* *\r
- * Thank you for using FreeRTOS, and thank you for your support! *\r
+ * Thank you! *\r
* *\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 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
+ Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
+\r
+ >>! NOTE: The modification to the GPL is included to allow you to distribute\r
+ >>! a combined work that includes FreeRTOS without being obliged to provide\r
+ >>! the source code for proprietary components outside of the FreeRTOS\r
+ >>! kernel.\r
+\r
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
+ FOR A PARTICULAR PURPOSE. Full license text is available from the following\r
+ link: http://www.freertos.org/a00114.html\r
\r
1 tab == 4 spaces!\r
- \r
+\r
***************************************************************************\r
* *\r
* Having a problem? Start by reading the FAQ "My application does *\r
- * not run, what could be wrong? *\r
+ * not run, what could be wrong?" *\r
* *\r
* http://www.FreeRTOS.org/FAQHelp.html *\r
* *\r
***************************************************************************\r
\r
- \r
- http://www.FreeRTOS.org - Documentation, training, latest information, \r
- license and contact details.\r
- \r
+ http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
+ license and Real Time Engineers Ltd. contact details.\r
+\r
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
- including FreeRTOS+Trace - an indispensable productivity tool.\r
+ including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
+ compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
+\r
+ http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
+ Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS\r
+ licenses offer ticketed support, indemnification and middleware.\r
\r
- Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell \r
- the code with commercial support, indemnification, and middleware, under \r
- the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also\r
- provide a safety engineered and independently SIL3 certified version under \r
- the SafeRTOS brand: http://www.SafeRTOS.com.\r
+ http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
+ engineered and independently SIL3 certified version for use in safety and\r
+ mission critical applications that require provable dependability.\r
+\r
+ 1 tab == 4 spaces!\r
*/\r
\r
\r
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ ) \r
#define portNOP() __asm volatile( "NOP" )\r
\r
-/* The location of the software interrupt register. Software interrupts use\r
-vector 27. */\r
-#define portITU_SWINTR ( ( unsigned char * ) 0x000872E0 )\r
-#define portYIELD() *portITU_SWINTR = 0x01; portNOP(); portNOP(); portNOP(); portNOP(); portNOP()\r
+/* Yield equivalent to "*portITU_SWINTR = 0x01; ( void ) *portITU_SWINTR;"\r
+where portITU_SWINTR is the location of the software interrupt register\r
+(0x000872E0). Don't rely on the assembler to select a register, so instead \r
+save and restore clobbered registers manually. */\r
+#define portYIELD() \\r
+ __asm volatile \\r
+ ( \\r
+ "PUSH.L R10 \n" \\r
+ "MOV.L #0x872E0, R10 \n" \\r
+ "MOV.B #0x1, [R10] \n" \\r
+ "MOV.L [R10], R10 \n" \\r
+ "POP R10 \n" \\r
+ )\r
+\r
#define portYIELD_FROM_ISR( x ) if( x != pdFALSE ) portYIELD()\r
\r
-/*\r
- * These macros should be called directly, but through the taskENTER_CRITICAL()\r
- * and taskEXIT_CRITICAL() macros.\r
- */\r
-#define portENABLE_INTERRUPTS() __asm volatile ( "MVTIPL #0" );\r
-#define portDISABLE_INTERRUPTS() __asm volatile ( "MVTIPL %0" ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY) )\r
+/* These macros should not be called directly, but through the \r
+taskENTER_CRITICAL() and taskEXIT_CRITICAL() macros. An extra check is \r
+performed if configASSERT() is defined to ensure an assertion handler does not \r
+inadvertently attempt to lower the IPL when the call to assert was triggered \r
+because the IPL value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY \r
+when an ISR safe FreeRTOS API function was executed. ISR safe FreeRTOS API \r
+functions are those that end in FromISR. FreeRTOS maintains a separate \r
+interrupt API to ensure API function and interrupt entry is as fast and as \r
+simple as possible. */\r
+#define portENABLE_INTERRUPTS() __asm volatile ( "MVTIPL #0" )\r
+#ifdef configASSERT\r
+ #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( ( ulPortGetIPL() <= configMAX_SYSCALL_INTERRUPT_PRIORITY ) )\r
+ #define portDISABLE_INTERRUPTS() if( ulPortGetIPL() < configMAX_SYSCALL_INTERRUPT_PRIORITY ) __asm volatile ( "MVTIPL %0" ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY) )\r
+#else\r
+ #define portDISABLE_INTERRUPTS() __asm volatile ( "MVTIPL %0" ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY) )\r
+#endif\r
\r
/* Critical nesting counts are stored in the TCB. */\r
#define portCRITICAL_NESTING_IN_TCB ( 1 )\r
/* The critical nesting functions defined within tasks.c. */\r
extern void vTaskEnterCritical( void );\r
extern void vTaskExitCritical( void );\r
-#define portENTER_CRITICAL() vTaskEnterCritical();\r
-#define portEXIT_CRITICAL() vTaskExitCritical();\r
+#define portENTER_CRITICAL() vTaskEnterCritical()\r
+#define portEXIT_CRITICAL() vTaskExitCritical()\r
\r
/* As this port allows interrupt nesting... */\r
unsigned long ulPortGetIPL( void ) __attribute__((naked));\r
projects / freertos / blobdiff