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Final tidy up before V7.6.0 zip file creation.
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Richard Barry
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35 changed files with 5528 additions and 2 deletions
232
FreeRTOS/Source/portable/MPLAB/PIC32MZ/portmacro.h
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FreeRTOS/Source/portable/MPLAB/PIC32MZ/portmacro.h
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/*
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FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that has become a de facto standard. *
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* *
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* Help yourself get started quickly and support the FreeRTOS *
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* project by purchasing a FreeRTOS tutorial book, reference *
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* manual, or both from: http://www.FreeRTOS.org/Documentation *
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* *
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* Thank you! *
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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 distribute
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>>! a combined work that includes FreeRTOS without being obliged to provide
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>>! the source code for proprietary components outside of the FreeRTOS
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>>! kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available from the following
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link: http://www.freertos.org/a00114.html
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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, books, training, latest versions,
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license and Real Time Engineers Ltd. 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, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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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 <xc.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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/* Don't straddle the CEE bit. Interrupts calling FreeRTOS functions should
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never have higher IPL bits set anyway. */
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#define portALL_IPL_BITS ( 0x7FUL << 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. An extra check is performed if
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configASSERT() is defined to ensure an assertion handler does not inadvertently
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attempt to lower the IPL when the call to assert was triggered because the IPL
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value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY when an ISR
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safe FreeRTOS API function was executed. ISR safe FreeRTOS API functions are
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those that end in FromISR. FreeRTOS maintains a separate interrupt API to
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ensure API function and interrupt entry is as fast and as simple as possible. */
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#ifdef configASSERT
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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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\
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/* Is the current IPL below configMAX_SYSCALL_INTERRUPT_PRIORITY? */ \
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if( ( ( ulStatus & portALL_IPL_BITS ) >> portIPL_SHIFT ) < configMAX_SYSCALL_INTERRUPT_PRIORITY ) \
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{ \
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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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}
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#else /* configASSERT */
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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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#endif /* configASSERT */
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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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#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
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/* Check the configuration. */
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#if( configMAX_PRIORITIES > 32 )
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#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.
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#endif
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/* Store/clear the ready priorities in a bit map. */
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#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
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#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
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/*-----------------------------------------------------------*/
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#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - _clz( ( uxReadyPriorities ) ) )
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#endif /* taskRECORD_READY_PRIORITY */
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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 ulCause; \
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\
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/* Trigger software interrupt. */ \
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ulCause = _CP0_GET_CAUSE(); \
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ulCause |= portSW0_BIT; \
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_CP0_SET_CAUSE( ulCause ); \
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}
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#define portCURRENT_INTERRUPT_PRIORITY ( ( _CP0_GET_STATUS() & portALL_IPL_BITS ) >> portIPL_SHIFT )
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#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( portCURRENT_INTERRUPT_PRIORITY <= configMAX_SYSCALL_INTERRUPT_PRIORITY )
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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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