/* FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd. All rights reserved VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. *************************************************************************** * * * FreeRTOS provides completely free yet professionally developed, * * robust, strictly quality controlled, supported, and cross * * platform software that has become a de facto standard. * * * * Help yourself get started quickly and support the FreeRTOS * * project by purchasing a FreeRTOS tutorial book, reference * * manual, or both from: http://www.FreeRTOS.org/Documentation * * * * Thank you! * * * *************************************************************************** This file is part of the FreeRTOS distribution. FreeRTOS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (version 2) as published by the Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception. >>! NOTE: The modification to the GPL is included to allow you to !<< >>! distribute a combined work that includes FreeRTOS without being !<< >>! obliged to provide the source code for proprietary components !<< >>! outside of the FreeRTOS kernel. !<< FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Full license text is available from the following link: http://www.freertos.org/a00114.html 1 tab == 4 spaces! *************************************************************************** * * * Having a problem? Start by reading the FAQ "My application does * * not run, what could be wrong?" * * * * http://www.FreeRTOS.org/FAQHelp.html * * * *************************************************************************** http://www.FreeRTOS.org - Documentation, books, training, latest versions, license and Real Time Engineers Ltd. contact details. http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, including FreeRTOS+Trace - an indispensable productivity tool, a DOS compatible FAT file system, and our tiny thread aware UDP/IP stack. http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS licenses offer ticketed support, indemnification and middleware. http://www.SafeRTOS.com - High Integrity Systems also provide a safety engineered and independently SIL3 certified version for use in safety and mission critical applications that require provable dependability. 1 tab == 4 spaces! */ #ifndef PORTMACRO_H #define PORTMACRO_H #include /****************************************************************************** Defines ******************************************************************************/ /* Type definitions. */ #define portCHAR char #define portFLOAT float #define portDOUBLE double #define portLONG long #define portSHORT short #define portSTACK_TYPE uint32_t #define portBASE_TYPE long typedef portSTACK_TYPE StackType_t; typedef long BaseType_t; typedef unsigned long UBaseType_t; #if( configUSE_16_BIT_TICKS == 1 ) typedef uint16_t TickType_t; #define portMAX_DELAY ( TickType_t ) 0xffff #else typedef uint32_t TickType_t; #define portMAX_DELAY ( TickType_t ) 0xffffffffUL /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do not need to be guarded with a critical section. */ #define portTICK_TYPE_IS_ATOMIC 1 #endif /* Hardware specifics. */ #define portSTACK_GROWTH ( -1 ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) #define portBYTE_ALIGNMENT 4 #define portYIELD() vPortGenerateSimulatedInterrupt( portINTERRUPT_YIELD ) void vPortCloseRunningThread( void *pvTaskToDelete, volatile BaseType_t *pxPendYield ); void vPortDeleteThread( void *pvThreadToDelete ); #define portCLEAN_UP_TCB( pxTCB ) vPortDeleteThread( pxTCB ) #define portPRE_TASK_DELETE_HOOK( pvTaskToDelete, pxPendYield ) vPortCloseRunningThread( ( pvTaskToDelete ), ( pxPendYield ) ) #define portDISABLE_INTERRUPTS() vPortEnterCritical() #define portENABLE_INTERRUPTS() vPortExitCritical() /* Critical section handling. */ void vPortEnterCritical( void ); void vPortExitCritical( void ); #define portENTER_CRITICAL() vPortEnterCritical() #define portEXIT_CRITICAL() vPortExitCritical() #ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1 #endif #if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 /* Check the configuration. */ #if( configMAX_PRIORITIES > 32 ) #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice. #endif /* Store/clear the ready priorities in a bit map. */ #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) ) #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) ) /*-----------------------------------------------------------*/ #ifdef __GNUC__ #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) \ __asm volatile( "mov %0, %%eax \n\t" \ "bsr %%eax, %%eax \n\t" \ "mov %%eax, %1 \n\t" \ :"=r"(uxTopPriority) : "r"(uxReadyPriorities) : "eax" ) #else /* BitScanReverse returns the bit position of the most significant '1' in the word. */ #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) _BitScanReverse( ( DWORD * ) &( uxTopPriority ), ( uxReadyPriorities ) ) #endif /* __GNUC__ */ #endif /* taskRECORD_READY_PRIORITY */ #ifndef __GNUC__ __pragma( warning( disable:4211 ) ) /* Nonstandard extension used, as extern is only nonstandard to MSVC. */ #endif /* Task function macros as described on the FreeRTOS.org WEB site. */ #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters ) #define portINTERRUPT_YIELD ( 0UL ) #define portINTERRUPT_TICK ( 1UL ) /* * Raise a simulated interrupt represented by the bit mask in ulInterruptMask. * Each bit can be used to represent an individual interrupt - with the first * two bits being used for the Yield and Tick interrupts respectively. */ void vPortGenerateSimulatedInterrupt( uint32_t ulInterruptNumber ); /* * Install an interrupt handler to be called by the simulated interrupt handler * thread. The interrupt number must be above any used by the kernel itself * (at the time of writing the kernel was using interrupt numbers 0, 1, and 2 * as defined above). The number must also be lower than 32. * * Interrupt handler functions must return a non-zero value if executing the * handler resulted in a task switch being required. */ void vPortSetInterruptHandler( uint32_t ulInterruptNumber, uint32_t (*pvHandler)( void ) ); #endif