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Add FreeRTOS-Plus directory.
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Richard Barry
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6798 changed files with 134949 additions and 19 deletions
193
FreeRTOS/Source/portable/MPLAB/PIC32MX/portmacro.h
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FreeRTOS/Source/portable/MPLAB/PIC32MX/portmacro.h
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/*
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FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
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* Complete, revised, and edited pdf reference manuals are also *
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* available. *
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* *
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* Purchasing FreeRTOS documentation will not only help you, by *
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* ensuring you get running as quickly as possible and with an *
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* in-depth knowledge of how to use FreeRTOS, it will also help *
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* the FreeRTOS project to continue with its mission of providing *
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* professional grade, cross platform, de facto standard solutions *
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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>>>NOTE<<< The modification to the GPL is included to allow you to
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distribute a combined work that includes FreeRTOS without being obliged to
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provide the source code for proprietary components outside of the FreeRTOS
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kernel. FreeRTOS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong? *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, training, latest information,
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license and contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool.
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Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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the code with commercial support, indemnification, and middleware, under
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the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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provide a safety engineered and independently SIL3 certified version under
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the SafeRTOS brand: http://www.SafeRTOS.com.
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*/
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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/* System include files */
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#include <plib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*-----------------------------------------------------------
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* Port specific definitions.
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*
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* The settings in this file configure FreeRTOS correctly for the
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* given hardware and compiler.
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*
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* These settings should not be altered.
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*-----------------------------------------------------------
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*/
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/* Type definitions. */
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE unsigned long
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#define portBASE_TYPE long
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#if( configUSE_16_BIT_TICKS == 1 )
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typedef unsigned portSHORT portTickType;
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#define portMAX_DELAY ( portTickType ) 0xffff
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#else
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typedef unsigned long portTickType;
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#define portMAX_DELAY ( portTickType ) 0xffffffff
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#endif
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/*-----------------------------------------------------------*/
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/* Hardware specifics. */
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#define portBYTE_ALIGNMENT 8
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#define portSTACK_GROWTH -1
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#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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/*-----------------------------------------------------------*/
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/* Critical section management. */
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#define portIPL_SHIFT ( 10UL )
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#define portALL_IPL_BITS ( 0x3fUL << portIPL_SHIFT )
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#define portSW0_BIT ( 0x01 << 8 )
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/* This clears the IPL bits, then sets them to
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configMAX_SYSCALL_INTERRUPT_PRIORITY. This function should not be called
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from an interrupt, so therefore will not be called with an IPL setting
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above configMAX_SYSCALL_INTERRUPT_PRIORITY. Therefore, when used correctly, the
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instructions in this macro can only result in the IPL being raised, and
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therefore never lowered. */
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#define portDISABLE_INTERRUPTS() \
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{ \
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unsigned long ulStatus; \
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\
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/* Mask interrupts at and below the kernel interrupt priority. */ \
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ulStatus = _CP0_GET_STATUS(); \
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ulStatus &= ~portALL_IPL_BITS; \
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_CP0_SET_STATUS( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY << portIPL_SHIFT ) ) ); \
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}
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#define portENABLE_INTERRUPTS() \
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{ \
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unsigned long ulStatus; \
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\
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/* Unmask all interrupts. */ \
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ulStatus = _CP0_GET_STATUS(); \
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ulStatus &= ~portALL_IPL_BITS; \
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_CP0_SET_STATUS( ulStatus ); \
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}
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extern void vTaskEnterCritical( void );
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extern void vTaskExitCritical( void );
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#define portCRITICAL_NESTING_IN_TCB 1
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#define portENTER_CRITICAL() vTaskEnterCritical()
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#define portEXIT_CRITICAL() vTaskExitCritical()
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extern unsigned portBASE_TYPE uxPortSetInterruptMaskFromISR();
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extern void vPortClearInterruptMaskFromISR( unsigned portBASE_TYPE );
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#define portSET_INTERRUPT_MASK_FROM_ISR() uxPortSetInterruptMaskFromISR()
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#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) vPortClearInterruptMaskFromISR( uxSavedStatusRegister )
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/*-----------------------------------------------------------*/
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/* Task utilities. */
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#define portYIELD() \
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{ \
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unsigned long ulStatus; \
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\
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/* Trigger software interrupt. */ \
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ulStatus = _CP0_GET_CAUSE(); \
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ulStatus |= portSW0_BIT; \
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_CP0_SET_CAUSE( ulStatus ); \
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}
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#define portNOP() asm volatile ( "nop" )
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/*-----------------------------------------------------------*/
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/* Task function macros as described on the FreeRTOS.org WEB site. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn))
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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/*-----------------------------------------------------------*/
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#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) \
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{ \
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portYIELD(); \
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}
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/* Required by the kernel aware debugger. */
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#ifdef __DEBUG
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#define portREMOVE_STATIC_QUALIFIER
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* PORTMACRO_H */
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