/*\r
- FreeRTOS V7.4.2 - Copyright (C) 2013 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
-\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
-\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.\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. See the GNU General Public License for more\r
- details. You should have received a copy of the GNU General Public License\r
- and the FreeRTOS license exception along with FreeRTOS; if not it can be\r
- viewed here: http://www.freertos.org/a00114.html and also obtained by\r
- writing to Real Time Engineers Ltd., contact details for whom are available\r
- on the FreeRTOS WEB site.\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
- * *\r
- * http://www.FreeRTOS.org/FAQHelp.html *\r
- * *\r
- ***************************************************************************\r
-\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, and our new\r
- fully thread aware and reentrant UDP/IP stack.\r
-\r
- http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High \r
- Integrity Systems, who sell the code with commercial support, \r
- indemnification and middleware, under the OpenRTOS brand.\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
+ * FreeRTOS Kernel V10.3.0\r
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
+ * this software and associated documentation files (the "Software"), to deal in\r
+ * the Software without restriction, including without limitation the rights to\r
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
+ * the Software, and to permit persons to whom the Software is furnished to do so,\r
+ * subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included in all\r
+ * copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ *\r
+ * http://www.FreeRTOS.org\r
+ * http://aws.amazon.com/freertos\r
+ *\r
+ * 1 tab == 4 spaces!\r
+ */\r
\r
/* GCC/HCS12 port by Jefferson L Smith, 2005 */\r
\r
void ATTR_NEAR vPortTickInterrupt( void );\r
\r
/* Function in non-banked memory which actually switches to first task. */\r
-portBASE_TYPE ATTR_NEAR xStartSchedulerNear( void );\r
+BaseType_t ATTR_NEAR xStartSchedulerNear( void );\r
\r
/* Calls to portENTER_CRITICAL() can be nested. When they are nested the \r
critical section should not be left (i.e. interrupts should not be re-enabled)\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 = 0x80; // un-initialized\r
+volatile UBaseType_t uxCriticalNesting = 0x80; // un-initialized\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
\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 = ( portSTACK_TYPE ) *( ((portSTACK_TYPE *) (&pxCode) ) + 0 );\r
+ *pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pxCode) ) + 1 );\r
+ *--pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pxCode) ) + 0 );\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 = ( portSTACK_TYPE ) 0xee;\r
+ *--pxTopOfStack = ( StackType_t ) 0xff;\r
+ *--pxTopOfStack = ( StackType_t ) 0xee;\r
\r
/* X register */\r
- *--pxTopOfStack = ( portSTACK_TYPE ) 0xdd;\r
- *--pxTopOfStack = ( portSTACK_TYPE ) 0xcc;\r
+ *--pxTopOfStack = ( StackType_t ) 0xdd;\r
+ *--pxTopOfStack = ( StackType_t ) 0xcc;\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
\r
/* B register contains parameter low byte. */\r
- *--pxTopOfStack = ( portSTACK_TYPE ) *( ((portSTACK_TYPE *) (&pvParameters) ) + 1 );\r
+ *--pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pvParameters) ) + 1 );\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 ) 0x80; // keeps Stop disabled (MCU default)\r
+ *--pxTopOfStack = ( StackType_t ) 0x80; // keeps Stop disabled (MCU default)\r
\r
/* tmp softregs used by GCC. Values right now don't matter. */\r
__asm("\n\\r
\r
/* The critical nesting depth is initialised with 0 (meaning not in\r
a critical section). */\r
- *--pxTopOfStack = ( portSTACK_TYPE ) 0x00;\r
+ *--pxTopOfStack = ( StackType_t ) 0x00;\r
\r
\r
return pxTopOfStack;\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
Instead it simply calls the locally defined xNearStartScheduler() - \r
which does use the CODE_SEG pragma. */\r
\r
- short register d;\r
+ int16_t register d;\r
__asm ("jmp xStartSchedulerNear ; will never return": "=d"(d));\r
return d;\r
}\r
/*-----------------------------------------------------------*/\r
\r
-portBASE_TYPE xStartSchedulerNear( void )\r
+BaseType_t xStartSchedulerNear( 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
+ /* A context switch is necessary. */\r
+ vTaskSwitchContext();\r
+ }\r
\r
/* Restore the context of a task - which may be a different task\r
to that interrupted. */\r
}\r
#else\r
{\r
- vTaskIncrementTick();\r
+ xTaskIncrementTick();\r
}\r
#endif\r
\r