| /* | |
| FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd. | |
| FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT | |
| http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
| *************************************************************************** | |
| * * | |
| * FreeRTOS tutorial books are available in pdf and paperback. * | |
| * Complete, revised, and edited pdf reference manuals are also * | |
| * available. * | |
| * * | |
| * Purchasing FreeRTOS documentation will not only help you, by * | |
| * ensuring you get running as quickly as possible and with an * | |
| * in-depth knowledge of how to use FreeRTOS, it will also help * | |
| * the FreeRTOS project to continue with its mission of providing * | |
| * professional grade, cross platform, de facto standard solutions * | |
| * for microcontrollers - completely free of charge! * | |
| * * | |
| * >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
| * * | |
| * Thank you for using FreeRTOS, and thank you for your support! * | |
| * * | |
| *************************************************************************** | |
| 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. See the GNU General Public License for | |
| more details. You should have received a copy of the GNU General Public | |
| License and the FreeRTOS license exception along with FreeRTOS; if not it | |
| can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
| by writing to Richard Barry, contact details for whom are available on the | |
| FreeRTOS WEB site. | |
| 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, training, latest versions, license | |
| and contact details. | |
| http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
| including FreeRTOS+Trace - an indispensable productivity tool. | |
| Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell | |
| the code with commercial support, indemnification, and middleware, under | |
| the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also | |
| provide a safety engineered and independently SIL3 certified version under | |
| the SafeRTOS brand: http://www.SafeRTOS.com. | |
| */ | |
| #ifndef PORTMACRO_H | |
| #define PORTMACRO_H | |
| #ifdef __cplusplus | |
| extern "C" { | |
| #endif | |
| /*----------------------------------------------------------- | |
| * Port specific definitions. | |
| * | |
| * The settings in this file configure FreeRTOS correctly for the | |
| * given hardware and compiler. | |
| * | |
| * These settings should not be altered. | |
| *----------------------------------------------------------- | |
| */ | |
| /* Type definitions. */ | |
| #define portCHAR char | |
| #define portFLOAT float | |
| #define portDOUBLE double | |
| #define portLONG long | |
| #define portSHORT short | |
| #define portSTACK_TYPE unsigned portLONG | |
| #define portBASE_TYPE long | |
| #if( configUSE_16_BIT_TICKS == 1 ) | |
| typedef unsigned portSHORT portTickType; | |
| #define portMAX_DELAY ( portTickType ) 0xffff | |
| #else | |
| typedef unsigned portLONG portTickType; | |
| #define portMAX_DELAY ( portTickType ) 0xffffffff | |
| #endif | |
| /*-----------------------------------------------------------*/ | |
| /* Architecture specifics. */ | |
| #define portSTACK_GROWTH ( -1 ) | |
| #define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ ) | |
| #define portBYTE_ALIGNMENT 8 | |
| /*-----------------------------------------------------------*/ | |
| /* Scheduler utilities. */ | |
| extern void vPortYieldFromISR( void ); | |
| #define portYIELD() vPortYieldFromISR() | |
| #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) vPortYieldFromISR() | |
| /*-----------------------------------------------------------*/ | |
| /* Critical section management. */ | |
| extern void vPortEnterCritical( void ); | |
| extern void vPortExitCritical( void ); | |
| extern unsigned long ulPortSetInterruptMask( void ); | |
| extern void vPortClearInterruptMask( unsigned long ulNewMaskValue ); | |
| #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortSetInterruptMask() | |
| #define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortClearInterruptMask(x) | |
| #define portDISABLE_INTERRUPTS() ulPortSetInterruptMask() | |
| #define portENABLE_INTERRUPTS() vPortClearInterruptMask(0) | |
| #define portENTER_CRITICAL() vPortEnterCritical() | |
| #define portEXIT_CRITICAL() vPortExitCritical() | |
| /* There are an uneven number of items on the initial stack, so | |
| portALIGNMENT_ASSERT_pxCurrentTCB() will trigger false positive asserts. */ | |
| #define portALIGNMENT_ASSERT_pxCurrentTCB ( void ) | |
| /*-----------------------------------------------------------*/ | |
| /* Task function macros as described on the FreeRTOS.org WEB site. These are | |
| not necessary for to use this port. They are defined so the common demo files | |
| (which build with all the ports) will build. */ | |
| #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) | |
| #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters ) | |
| /*-----------------------------------------------------------*/ | |
| /* Tickless idle/low power functionality. */ | |
| extern void vPortSuppressTicksAndSleep( portTickType xExpectedIdleTime ); | |
| #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime ) | |
| /*-----------------------------------------------------------*/ | |
| /* Architecture specific optimisations. */ | |
| #if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 | |
| /* Generic helper function. */ | |
| __attribute__( ( always_inline ) ) static inline unsigned char ucPortCountLeadingZeros( unsigned long ulBitmap ) | |
| { | |
| unsigned char ucReturn; | |
| __asm volatile ( "clz %0, %1" : "=r" ( ucReturn ) : "r" ( ulBitmap ) ); | |
| return ucReturn; | |
| } | |
| /* 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 ) ) | |
| /*-----------------------------------------------------------*/ | |
| #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - ucPortCountLeadingZeros( ( uxReadyPriorities ) ) ) | |
| #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ | |
| /*-----------------------------------------------------------*/ | |
| /* portNOP() is not required by this port. */ | |
| #define portNOP() | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif /* PORTMACRO_H */ | |