/*\r
- FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd.\r
+ FreeRTOS V8.0.0 - Copyright (C) 2014 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
+ * 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 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
/* Standard includes. */\r
/*-----------------------------------------------------------*/\r
\r
/* This reference is required by the save/restore context macros. */\r
-extern volatile unsigned long *pxCurrentTCB;\r
+extern volatile uint32_t *pxCurrentTCB;\r
\r
/* Precalculate the compare match value at compile time. */\r
-static const unsigned long ulCompareMatchValue = ( configPERIPHERAL_CLOCK_HZ / configTICK_RATE_HZ );\r
+static const uint32_t ulCompareMatchValue = ( configPERIPHERAL_CLOCK_HZ / configTICK_RATE_HZ );\r
\r
/*-----------------------------------------------------------*/\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
-unsigned long *pulUpperCSA = NULL;\r
-unsigned long *pulLowerCSA = NULL;\r
+uint32_t *pulUpperCSA = NULL;\r
+uint32_t *pulLowerCSA = NULL;\r
\r
/* 16 Address Registers (4 Address registers are global), 16 Data\r
Registers, and 3 System Registers.\r
portEXIT_CRITICAL();\r
\r
/* Clear the upper CSA. */\r
- memset( pulUpperCSA, 0, portNUM_WORDS_IN_CSA * sizeof( unsigned long ) );\r
+ memset( pulUpperCSA, 0, portNUM_WORDS_IN_CSA * sizeof( uint32_t ) );\r
\r
/* Upper Context. */\r
- pulUpperCSA[ 2 ] = ( unsigned long )pxTopOfStack; /* A10; Stack Return aka Stack Pointer */\r
+ pulUpperCSA[ 2 ] = ( uint32_t )pxTopOfStack; /* A10; Stack Return aka Stack Pointer */\r
pulUpperCSA[ 1 ] = portSYSTEM_PROGRAM_STATUS_WORD; /* PSW */\r
\r
/* Clear the lower CSA. */\r
- memset( pulLowerCSA, 0, portNUM_WORDS_IN_CSA * sizeof( unsigned long ) );\r
+ memset( pulLowerCSA, 0, portNUM_WORDS_IN_CSA * sizeof( uint32_t ) );\r
\r
/* Lower Context. */\r
- pulLowerCSA[ 8 ] = ( unsigned long ) pvParameters; /* A4; Address Type Parameter Register */\r
- pulLowerCSA[ 1 ] = ( unsigned long ) pxCode; /* A11; Return Address aka RA */\r
+ pulLowerCSA[ 8 ] = ( uint32_t ) pvParameters; /* A4; Address Type Parameter Register */\r
+ pulLowerCSA[ 1 ] = ( uint32_t ) pxCode; /* A11; Return Address aka RA */\r
\r
/* PCXI pointing to the Upper context. */\r
- pulLowerCSA[ 0 ] = ( portINITIAL_PCXI_UPPER_CONTEXT_WORD | ( unsigned long ) portADDRESS_TO_CSA( pulUpperCSA ) );\r
+ pulLowerCSA[ 0 ] = ( portINITIAL_PCXI_UPPER_CONTEXT_WORD | ( uint32_t ) portADDRESS_TO_CSA( pulUpperCSA ) );\r
\r
/* Save the link to the CSA in the top of stack. */\r
- pxTopOfStack = (unsigned long * ) portADDRESS_TO_CSA( pulLowerCSA );\r
+ pxTopOfStack = (uint32_t * ) portADDRESS_TO_CSA( pulLowerCSA );\r
\r
/* DSync to ensure that buffering is not a problem. */\r
_dsync();\r
}\r
/*-----------------------------------------------------------*/\r
\r
-long xPortStartScheduler( void )\r
+int32_t xPortStartScheduler( void )\r
{\r
extern void vTrapInstallHandlers( void );\r
-unsigned long ulMFCR = 0UL;\r
-unsigned long *pulUpperCSA = NULL;\r
-unsigned long *pulLowerCSA = NULL;\r
+uint32_t ulMFCR = 0UL;\r
+uint32_t *pulUpperCSA = NULL;\r
+uint32_t *pulLowerCSA = NULL;\r
\r
/* Interrupts at or below configMAX_SYSCALL_INTERRUPT_PRIORITY are disable\r
when this function is called. */\r
\r
static void prvSystemTickHandler( int iArg )\r
{\r
-unsigned long ulSavedInterruptMask;\r
-unsigned long *pxUpperCSA = NULL;\r
-unsigned long xUpperCSA = 0UL;\r
-extern volatile unsigned long *pxCurrentTCB;\r
+uint32_t ulSavedInterruptMask;\r
+uint32_t *pxUpperCSA = NULL;\r
+uint32_t xUpperCSA = 0UL;\r
+extern volatile uint32_t *pxCurrentTCB;\r
+int32_t lYieldRequired;\r
\r
/* Just to avoid compiler warnings about unused parameters. */\r
( void ) iArg;\r
ulSavedInterruptMask = portSET_INTERRUPT_MASK_FROM_ISR();\r
{\r
/* Increment the Tick. */\r
- vTaskIncrementTick();\r
+ lYieldRequired = xTaskIncrementTick();\r
}\r
portCLEAR_INTERRUPT_MASK_FROM_ISR( ulSavedInterruptMask );\r
\r
- #if configUSE_PREEMPTION == 1\r
+ if( lYieldRequired != pdFALSE )\r
{\r
/* Save the context of a task.\r
The upper context is automatically saved when entering a trap or interrupt.\r
CPU_SRC0.bits.SETR = 0;\r
_isync();\r
}\r
- #endif\r
}\r
/*-----------------------------------------------------------*/\r
\r
* than they can be freed assuming that tasks are being spawned and\r
* deleted frequently.\r
*/\r
-void vPortReclaimCSA( unsigned long *pxTCB )\r
+void vPortReclaimCSA( uint32_t *pxTCB )\r
{\r
-unsigned long pxHeadCSA, pxTailCSA, pxFreeCSA;\r
-unsigned long *pulNextCSA;\r
+uint32_t pxHeadCSA, pxTailCSA, pxFreeCSA;\r
+uint32_t *pulNextCSA;\r
\r
/* A pointer to the first CSA in the list of CSAs consumed by the task is\r
stored in the first element of the tasks TCB structure (where the stack\r
\r
static void prvTrapYield( int iTrapIdentification )\r
{\r
-unsigned long *pxUpperCSA = NULL;\r
-unsigned long xUpperCSA = 0UL;\r
-extern volatile unsigned long *pxCurrentTCB;\r
+uint32_t *pxUpperCSA = NULL;\r
+uint32_t xUpperCSA = 0UL;\r
+extern volatile uint32_t *pxCurrentTCB;\r
\r
switch( iTrapIdentification )\r
{\r
\r
static void prvInterruptYield( int iId )\r
{\r
-unsigned long *pxUpperCSA = NULL;\r
-unsigned long xUpperCSA = 0UL;\r
-extern volatile unsigned long *pxCurrentTCB;\r
+uint32_t *pxUpperCSA = NULL;\r
+uint32_t xUpperCSA = 0UL;\r
+extern volatile uint32_t *pxCurrentTCB;\r
\r
/* Just to remove compiler warnings. */\r
( void ) iId;\r
}\r
/*-----------------------------------------------------------*/\r
\r
-unsigned long uxPortSetInterruptMaskFromISR( void )\r
+uint32_t uxPortSetInterruptMaskFromISR( void )\r
{\r
-unsigned long uxReturn = 0UL;\r
+uint32_t uxReturn = 0UL;\r
\r
_disable();\r
uxReturn = _mfcr( $ICR );\r
projects / freertos / blobdiff