/*\r
- FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd.\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
-\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
- * *\r
- * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\r
- * *\r
- * Thank you for using FreeRTOS, and thank you for your support! *\r
- * *\r
- ***************************************************************************\r
+ FreeRTOS V9.0.0rc2 - Copyright (C) 2016 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
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
+ ***************************************************************************\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
+\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 on the following\r
+ link: http://www.freertos.org/a00114.html\r
\r
- 1 tab == 4 spaces!\r
- \r
***************************************************************************\r
* *\r
- * Having a problem? Start by reading the FAQ "My application does *\r
- * not run, what could be wrong?" *\r
+ * FreeRTOS provides completely free yet professionally developed, *\r
+ * robust, strictly quality controlled, supported, and cross *\r
+ * platform software that is more than just the market leader, it *\r
+ * is the industry's de facto standard. *\r
* *\r
- * http://www.FreeRTOS.org/FAQHelp.html *\r
+ * Help yourself get started quickly while simultaneously helping *\r
+ * to support the FreeRTOS project by purchasing a FreeRTOS *\r
+ * tutorial book, reference manual, or both: *\r
+ * http://www.FreeRTOS.org/Documentation *\r
* *\r
***************************************************************************\r
\r
- \r
- http://www.FreeRTOS.org - Documentation, training, latest versions, license \r
- and contact details. \r
- \r
+ http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading\r
+ the FAQ page "My application does not run, what could be wrong?". Have you\r
+ defined configASSERT()?\r
+\r
+ http://www.FreeRTOS.org/support - In return for receiving this top quality\r
+ embedded software for free we request you assist our global community by\r
+ participating in the support forum.\r
+\r
+ http://www.FreeRTOS.org/training - Investing in training allows your team to\r
+ be as productive as possible as early as possible. Now you can receive\r
+ FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers\r
+ Ltd, and the world's leading authority on the world's leading RTOS.\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.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
+ Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\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.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High\r
+ Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS\r
+ licenses offer ticketed support, indemnification and commercial 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
+ 1 tab == 4 spaces!\r
*/\r
\r
/*-----------------------------------------------------------\r
#include "task.h"\r
\r
/* Constants required to setup the initial stack. */\r
-#define portINITIAL_SPSR ( ( portSTACK_TYPE ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */\r
-#define portTHUMB_MODE_BIT ( ( portSTACK_TYPE ) 0x20 )\r
-#define portINSTRUCTION_SIZE ( ( portSTACK_TYPE ) 4 )\r
+#define portINITIAL_SPSR ( ( StackType_t ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */\r
+#define portTHUMB_MODE_BIT ( ( StackType_t ) 0x20 )\r
+#define portINSTRUCTION_SIZE ( ( StackType_t ) 4 )\r
\r
/* Constants required to handle critical sections. */\r
-#define portNO_CRITICAL_NESTING ( ( unsigned long ) 0 )\r
+#define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 )\r
\r
#define portMICROS_PER_SECOND 1000000\r
\r
/* ulCriticalNesting will get set to zero when the first task starts. It\r
cannot be initialised to 0 as this will cause interrupts to be enabled\r
during the kernel initialisation process. */\r
-unsigned long ulCriticalNesting = ( unsigned long ) 9999;\r
+uint32_t ulCriticalNesting = ( uint32_t ) 9999;\r
\r
/* Tick interrupt routines for cooperative and preemptive operation\r
respectively. The preemptive version is not defined as __irq as it is called\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
-portSTACK_TYPE *pxOriginalTOS;\r
+StackType_t *pxOriginalTOS;\r
\r
pxOriginalTOS = pxTopOfStack;\r
\r
/* First on the stack is the return address - which in this case is the\r
start of the task. The offset is added to make the return address appear\r
as it would within an IRQ ISR. */\r
- *pxTopOfStack = ( portSTACK_TYPE ) pxCode + portINSTRUCTION_SIZE; \r
+ *pxTopOfStack = ( StackType_t ) pxCode + portINSTRUCTION_SIZE; \r
pxTopOfStack--;\r
\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0xaaaaaaaa; /* R14 */\r
+ *pxTopOfStack = ( StackType_t ) 0xaaaaaaaa; /* R14 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) pxOriginalTOS; /* Stack used when task starts goes in R13. */\r
+ *pxTopOfStack = ( StackType_t ) pxOriginalTOS; /* Stack used when task starts goes in R13. */\r
pxTopOfStack--;\r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x12121212; /* R12 */\r
+ *pxTopOfStack = ( StackType_t ) 0x12121212; /* R12 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x11111111; /* R11 */\r
+ *pxTopOfStack = ( StackType_t ) 0x11111111; /* R11 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x10101010; /* R10 */\r
+ *pxTopOfStack = ( StackType_t ) 0x10101010; /* R10 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x09090909; /* R9 */\r
+ *pxTopOfStack = ( StackType_t ) 0x09090909; /* R9 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x08080808; /* R8 */\r
+ *pxTopOfStack = ( StackType_t ) 0x08080808; /* R8 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x07070707; /* R7 */\r
+ *pxTopOfStack = ( StackType_t ) 0x07070707; /* R7 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x06060606; /* R6 */\r
+ *pxTopOfStack = ( StackType_t ) 0x06060606; /* R6 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x05050505; /* R5 */\r
+ *pxTopOfStack = ( StackType_t ) 0x05050505; /* R5 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x04040404; /* R4 */\r
+ *pxTopOfStack = ( StackType_t ) 0x04040404; /* R4 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x03030303; /* R3 */\r
+ *pxTopOfStack = ( StackType_t ) 0x03030303; /* R3 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x02020202; /* R2 */\r
+ *pxTopOfStack = ( StackType_t ) 0x02020202; /* R2 */\r
pxTopOfStack--; \r
- *pxTopOfStack = ( portSTACK_TYPE ) 0x01010101; /* R1 */\r
+ *pxTopOfStack = ( StackType_t ) 0x01010101; /* R1 */\r
pxTopOfStack--; \r
\r
/* When the task starts is will expect to find the function parameter in\r
R0. */\r
- *pxTopOfStack = ( portSTACK_TYPE ) pvParameters; /* R0 */\r
+ *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */\r
pxTopOfStack--;\r
\r
/* The status register is set for system mode, with interrupts enabled. */\r
- *pxTopOfStack = ( portSTACK_TYPE ) portINITIAL_SPSR;\r
+ *pxTopOfStack = ( StackType_t ) portINITIAL_SPSR;\r
\r
- if( ( ( unsigned long ) pxCode & 0x01UL ) != 0x00UL )\r
+ if( ( ( uint32_t ) pxCode & 0x01UL ) != 0x00UL )\r
{\r
/* We want the task to start in thumb mode. */\r
*pxTopOfStack |= portTHUMB_MODE_BIT;\r
}\r
/*-----------------------------------------------------------*/\r
\r
-portBASE_TYPE xPortStartScheduler( void )\r
+BaseType_t xPortStartScheduler( void )\r
{\r
extern void vPortStartFirstTask( void );\r
\r
/* Increment the tick count - which may wake some tasks but as the\r
preemptive scheduler is not being used any woken task is not given\r
processor time no matter what its priority. */\r
- vTaskIncrementTick();\r
+ xTaskIncrementTick();\r
\r
/* Clear the interrupt in the watchdog and EIC. */\r
WDG->SR = 0x0000;\r
void vPortPreemptiveTick( void )\r
{\r
/* Increment the tick counter. */\r
- vTaskIncrementTick();\r
-\r
- /* The new tick value might unblock a task. Ensure the highest task that\r
- is ready to execute is the task that will execute when the tick ISR\r
- exits. */\r
- vTaskSwitchContext();\r
+ if( xTaskIncrementTick() != pdFALSE )\r
+ {\r
+ /* Select a new task to execute. */\r
+ vTaskSwitchContext();\r
+ }\r
\r
/* Clear the interrupt in the watchdog and EIC. */\r
WDG->SR = 0x0000;\r