/*\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 V10.0.0\r
+ * Copyright (C) 2017 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. If you wish to use our Amazon\r
+ * FreeRTOS name, please do so in a fair use way that does not cause confusion.\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
/*\r
Changes from V1.00:\r
#define portTIMER_INT_NUMBER 0x08\r
\r
/* Setup hardware for required tick interrupt rate. */\r
-static void prvSetTickFrequency( unsigned long ulTickRateHz );\r
+static void prvSetTickFrequency( uint32_t ulTickRateHz );\r
\r
/* Restore hardware to as it was prior to starting the scheduler. */\r
static void prvExitFunction( void );\r
/*lint -e956 File scopes necessary here. */\r
\r
/* Used to signal when to chain to the DOS tick, and when to just clear the PIC ourselves. */\r
-static short sDOSTickCounter; \r
+static int16_t sDOSTickCounter; \r
\r
/* Set true when the vectors are set so the scheduler will service the tick. */\r
-static short sSchedulerRunning = pdFALSE; \r
+static int16_t sSchedulerRunning = pdFALSE; \r
\r
/* Points to the original routine installed on the vector we use for manual context switches. This is then used to restore the original routine during prvExitFunction(). */\r
static void ( __interrupt __far *pxOldSwitchISR )(); \r
/*lint +e956 */\r
\r
/*-----------------------------------------------------------*/\r
-portBASE_TYPE xPortStartScheduler( void )\r
+BaseType_t xPortStartScheduler( void )\r
{\r
pxISR pxOriginalTickISR;\r
\r
static void __interrupt __far prvPreemptiveTick( void )\r
{\r
/* Get the scheduler to update the task states following the tick. */\r
- vTaskIncrementTick();\r
-\r
- /* Switch in the context of the next task to be run. */\r
- portSWITCH_CONTEXT();\r
+ if( xTaskIncrementTick() != pdFALSE )\r
+ {\r
+ /* Switch in the context of the next task to be run. */\r
+ portSWITCH_CONTEXT();\r
+ }\r
\r
/* Reset the PIC ready for the next time. */\r
prvPortResetPIC();\r
{\r
/* Same as preemptive tick, but the cooperative scheduler is being used\r
so we don't have to switch in the context of the next task. */\r
- vTaskIncrementTick();\r
+ xTaskIncrementTick();\r
prvPortResetPIC();\r
}\r
#endif\r
--sDOSTickCounter;\r
if( sDOSTickCounter <= 0 )\r
{\r
- sDOSTickCounter = ( short ) portTICKS_PER_DOS_TICK;\r
+ sDOSTickCounter = ( int16_t ) portTICKS_PER_DOS_TICK;\r
__asm{ int portSWITCH_INT_NUMBER + 1 }; \r
}\r
else\r
}\r
/*-----------------------------------------------------------*/\r
\r
-static void prvSetTickFrequency( unsigned long ulTickRateHz )\r
+static void prvSetTickFrequency( uint32_t ulTickRateHz )\r
{\r
-const unsigned short usPIT_MODE = ( unsigned short ) 0x43;\r
-const unsigned short usPIT0 = ( unsigned short ) 0x40;\r
-const unsigned long ulPIT_CONST = ( unsigned long ) 1193180;\r
-const unsigned short us8254_CTR0_MODE3 = ( unsigned short ) 0x36;\r
-unsigned long ulOutput;\r
+const uint16_t usPIT_MODE = ( uint16_t ) 0x43;\r
+const uint16_t usPIT0 = ( uint16_t ) 0x40;\r
+const uint32_t ulPIT_CONST = ( uint32_t ) 1193180;\r
+const uint16_t us8254_CTR0_MODE3 = ( uint16_t ) 0x36;\r
+uint32_t ulOutput;\r
\r
/* Setup the 8245 to tick at the wanted frequency. */\r
portOUTPUT_BYTE( usPIT_MODE, us8254_CTR0_MODE3 );\r
ulOutput = ulPIT_CONST / ulTickRateHz;\r
\r
- portOUTPUT_BYTE( usPIT0, ( unsigned short )( ulOutput & ( unsigned long ) 0xff ) );\r
+ portOUTPUT_BYTE( usPIT0, ( uint16_t )( ulOutput & ( uint32_t ) 0xff ) );\r
ulOutput >>= 8;\r
- portOUTPUT_BYTE( usPIT0, ( unsigned short ) ( ulOutput & ( unsigned long ) 0xff ) );\r
+ portOUTPUT_BYTE( usPIT0, ( uint16_t ) ( ulOutput & ( uint32_t ) 0xff ) );\r
}\r
/*-----------------------------------------------------------*/\r
\r
static void prvSetTickFrequencyDefault( void )\r
{\r
-const unsigned short usPIT_MODE = ( unsigned short ) 0x43;\r
-const unsigned short usPIT0 = ( unsigned short ) 0x40;\r
-const unsigned short us8254_CTR0_MODE3 = ( unsigned short ) 0x36;\r
+const uint16_t usPIT_MODE = ( uint16_t ) 0x43;\r
+const uint16_t usPIT0 = ( uint16_t ) 0x40;\r
+const uint16_t us8254_CTR0_MODE3 = ( uint16_t ) 0x36;\r
\r
portOUTPUT_BYTE( usPIT_MODE, us8254_CTR0_MODE3 );\r
portOUTPUT_BYTE( usPIT0,0 );\r
projects / freertos / blobdiff