/*\r
- FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd.\r
+ FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd. \r
+ All rights reserved\r
\r
- FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT \r
- http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\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
+ * 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
- * 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
+ * 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
- * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\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 !<<\r
+ >>! distribute a combined work that includes FreeRTOS without being !<<\r
+ >>! obliged to provide the source code for proprietary components !<<\r
+ >>! outside of the FreeRTOS 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
* *\r
***************************************************************************\r
\r
- \r
- http://www.FreeRTOS.org - Documentation, training, latest versions, license \r
- 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
+ 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
- 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
+ 1 tab == 4 spaces!\r
*/\r
\r
/* Scheduler includes. */\r
start the scheduler directly because the header file containing the \r
xPortStartScheduler() prototype is part of the common kernel code, and \r
therefore cannot use the CODE_SEG pragma. */\r
- static portBASE_TYPE xBankedStartScheduler( void );\r
+ static BaseType_t xBankedStartScheduler( void );\r
\r
#pragma CODE_SEG DEFAULT\r
\r
depth. Each task maintains it's own critical nesting depth variable so \r
uxCriticalNesting is saved and restored from the task stack during a context\r
switch. */\r
-volatile unsigned portBASE_TYPE uxCriticalNesting = 0xff;\r
+volatile UBaseType_t uxCriticalNesting = 0xff;\r
\r
/*-----------------------------------------------------------*/\r
\r
/* \r
* See header file for description. \r
*/\r
-portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )\r
+StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )\r
{\r
/* \r
Place a few bytes of known values on the bottom of the stack.\r
This can be uncommented to provide useful stack markers when debugging.\r
\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x11;\r
+ *pxTopOfStack = ( StackType_t ) 0x11;\r
pxTopOfStack--;\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x22;\r
+ *pxTopOfStack = ( StackType_t ) 0x22;\r
pxTopOfStack--;\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x33;\r
+ *pxTopOfStack = ( StackType_t ) 0x33;\r
pxTopOfStack--;\r
*/\r
\r
\r
\r
/* The address of the task function is placed in the stack byte at a time. */\r
- *pxTopOfStack = ( portSTACK_TYPE ) *( ((portSTACK_TYPE *) (&pxCode) ) + 1 );\r
+ *pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pxCode) ) + 1 );\r
pxTopOfStack--;\r
- *pxTopOfStack = ( portSTACK_TYPE ) *( ((portSTACK_TYPE *) (&pxCode) ) + 0 );\r
+ *pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pxCode) ) + 0 );\r
pxTopOfStack--;\r
\r
/* Next are all the registers that form part of the task context. */\r
\r
/* Y register */\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0xff;\r
+ *pxTopOfStack = ( StackType_t ) 0xff;\r
pxTopOfStack--;\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0xee;\r
+ *pxTopOfStack = ( StackType_t ) 0xee;\r
pxTopOfStack--;\r
\r
/* X register */\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0xdd;\r
+ *pxTopOfStack = ( StackType_t ) 0xdd;\r
pxTopOfStack--;\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0xcc;\r
+ *pxTopOfStack = ( StackType_t ) 0xcc;\r
pxTopOfStack--;\r
\r
/* A register contains parameter high byte. */\r
- *pxTopOfStack = ( portSTACK_TYPE ) *( ((portSTACK_TYPE *) (&pvParameters) ) + 0 );\r
+ *pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pvParameters) ) + 0 );\r
pxTopOfStack--;\r
\r
/* B register contains parameter low byte. */\r
- *pxTopOfStack = ( portSTACK_TYPE ) *( ((portSTACK_TYPE *) (&pvParameters) ) + 1 );\r
+ *pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pvParameters) ) + 1 );\r
pxTopOfStack--;\r
\r
/* CCR: Note that when the task starts interrupts will be enabled since\r
"I" bit of CCR is cleared */\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x00;\r
+ *pxTopOfStack = ( StackType_t ) 0x00;\r
pxTopOfStack--;\r
\r
#ifdef BANKED_MODEL\r
/* The page of the task. */\r
- *pxTopOfStack = ( portSTACK_TYPE ) ( ( int ) pxCode );\r
+ *pxTopOfStack = ( StackType_t ) ( ( int ) pxCode );\r
pxTopOfStack--;\r
#endif\r
\r
/* Finally the critical nesting depth is initialised with 0 (not within\r
a critical section). */\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x00;\r
+ *pxTopOfStack = ( StackType_t ) 0x00;\r
\r
return pxTopOfStack;\r
}\r
}\r
/*-----------------------------------------------------------*/\r
\r
-portBASE_TYPE xPortStartScheduler( void )\r
+BaseType_t xPortStartScheduler( void )\r
{\r
/* xPortStartScheduler() does not start the scheduler directly because \r
the header file containing the xPortStartScheduler() prototype is part \r
\r
#pragma CODE_SEG __NEAR_SEG NON_BANKED\r
\r
-static portBASE_TYPE xBankedStartScheduler( void )\r
+static BaseType_t xBankedStartScheduler( void )\r
{\r
/* Configure the timer that will generate the RTOS tick. Interrupts are\r
disabled when this function is called. */\r
portSAVE_CONTEXT();\r
\r
/* Increment the tick ... */\r
- vTaskIncrementTick();\r
-\r
- /* ... then see if the new tick value has necessitated a\r
- context switch. */\r
- vTaskSwitchContext();\r
+ if( xTaskIncrementTick() != pdFALSE )\r
+ {\r
+ vTaskSwitchContext();\r
+ }\r
\r
TFLG1 = 1; \r
\r
}\r
#else\r
{\r
- vTaskIncrementTick();\r
+ xTaskIncrementTick();\r
TFLG1 = 1;\r
}\r
#endif\r