【添加】FreeRTOS Demo
This commit is contained in:
Maofeng
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;/*
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; FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
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; All rights reserved
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;
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;
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; ***************************************************************************
|
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; * *
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||||
; * 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 *
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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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;
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;
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; This file is part of the FreeRTOS distribution.
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;
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; 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
|
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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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;
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; 1 tab == 4 spaces!
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;
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; http://www.FreeRTOS.org - Documentation, latest information, license and
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; contact details.
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;
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; http://www.SafeRTOS.com - A version that is certified for use in safety
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; critical systems.
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;
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; http://www.OpenRTOS.com - Commercial support, development, porting,
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; licensing and training services.
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;*/
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#include "FreeRTOSConfig.h"
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; Variables used by scheduler
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;------------------------------------------------------------------------------
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EXTERN pxCurrentTCB
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EXTERN usCriticalNesting
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;------------------------------------------------------------------------------
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; portSAVE_CONTEXT MACRO
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; Saves the context of the general purpose registers, CS and ES (only in far
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; memory mode) registers the usCriticalNesting Value and the Stack Pointer
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; of the active Task onto the task stack
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;------------------------------------------------------------------------------
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portSAVE_CONTEXT MACRO
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PUSH AX ; Save AX Register to stack.
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PUSH HL
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MOV A, CS ; Save CS register.
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XCH A, X
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MOV A, ES ; Save ES register.
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PUSH AX
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PUSH DE ; Save the remaining general purpose registers.
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PUSH BC
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MOVW AX, usCriticalNesting ; Save the usCriticalNesting value.
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PUSH AX
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MOVW AX, pxCurrentTCB ; Save the Stack pointer.
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MOVW HL, AX
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MOVW AX, SP
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MOVW [HL], AX
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ENDM
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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; portRESTORE_CONTEXT MACRO
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; Restores the task Stack Pointer then use this to restore usCriticalNesting,
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; general purpose registers and the CS and ES (only in far memory mode)
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; of the selected task from the task stack
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;------------------------------------------------------------------------------
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portRESTORE_CONTEXT MACRO
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MOVW AX, pxCurrentTCB ; Restore the Stack pointer.
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MOVW HL, AX
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MOVW AX, [HL]
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MOVW SP, AX
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POP AX ; Restore usCriticalNesting value.
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MOVW usCriticalNesting, AX
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POP BC ; Restore the necessary general purpose registers.
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POP DE
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POP AX ; Restore the ES register.
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MOV ES, A
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XCH A, X ; Restore the CS register.
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MOV CS, A
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POP HL ; Restore general purpose register HL.
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POP AX ; Restore AX.
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ENDM
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;------------------------------------------------------------------------------
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@@ -0,0 +1,322 @@
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/*
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FreeRTOS V9.0.0 - Copyright (C) 2016 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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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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***************************************************************************
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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 !<<
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>>! obliged to provide the source code for proprietary components !<<
|
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>>! outside of the FreeRTOS kernel. !<<
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***************************************************************************
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|
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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 on the following
|
||||
link: http://www.freertos.org/a00114.html
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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 is more than just the market leader, it *
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* is the industry's de facto standard. *
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* *
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* Help yourself get started quickly while simultaneously helping *
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* to support the FreeRTOS project by purchasing a FreeRTOS *
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* tutorial book, reference manual, or both: *
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* http://www.FreeRTOS.org/Documentation *
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* *
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***************************************************************************
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http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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the FAQ page "My application does not run, what could be wrong?". Have you
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defined configASSERT()?
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http://www.FreeRTOS.org/support - In return for receiving this top quality
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embedded software for free we request you assist our global community by
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participating in the support forum.
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http://www.FreeRTOS.org/training - Investing in training allows your team to
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be as productive as possible as early as possible. Now you can receive
|
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FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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Ltd, and the world's leading authority on the world's leading RTOS.
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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.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
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Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
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licenses offer ticketed support, indemnification and commercial 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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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/* The critical nesting value is initialised to a non zero value to ensure
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interrupts don't accidentally become enabled before the scheduler is started. */
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#define portINITIAL_CRITICAL_NESTING ( ( uint16_t ) 10 )
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/* Initial PSW value allocated to a newly created task.
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* 1100011000000000
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* ||||||||-------------- Fill byte
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* |||||||--------------- Carry Flag cleared
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* |||||----------------- In-service priority Flags set to low level
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* ||||------------------ Register bank Select 0 Flag cleared
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* |||------------------- Auxiliary Carry Flag cleared
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* ||-------------------- Register bank Select 1 Flag cleared
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* |--------------------- Zero Flag set
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* ---------------------- Global Interrupt Flag set (enabled)
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*/
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#define portPSW ( 0xc6UL )
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/* The address of the pxCurrentTCB variable, but don't know or need to know its
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type. */
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typedef void TCB_t;
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extern volatile TCB_t * volatile pxCurrentTCB;
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/* Each task maintains a count of the critical section nesting depth. Each time
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a critical section is entered the count is incremented. Each time a critical
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section is exited the count is decremented - with interrupts only being
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re-enabled if the count is zero.
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usCriticalNesting will get set to zero when the scheduler starts, but must
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not be initialised to zero as that could cause problems during the startup
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sequence. */
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volatile uint16_t usCriticalNesting = portINITIAL_CRITICAL_NESTING;
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/*-----------------------------------------------------------*/
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/*
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* Sets up the periodic ISR used for the RTOS tick using the interval timer.
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* The application writer can define configSETUP_TICK_INTERRUPT() (in
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* FreeRTOSConfig.h) such that their own tick interrupt configuration is used
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* in place of prvSetupTimerInterrupt().
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*/
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static void prvSetupTimerInterrupt( void );
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#ifndef configSETUP_TICK_INTERRUPT
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/* The user has not provided their own tick interrupt configuration so use
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the definition in this file (which uses the interval timer). */
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#define configSETUP_TICK_INTERRUPT() prvSetupTimerInterrupt()
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#endif /* configSETUP_TICK_INTERRUPT */
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/*
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* Defined in portasm.s87, this function starts the scheduler by loading the
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* context of the first task to run.
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*/
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extern void vPortStartFirstTask( void );
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/*
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* Used to catch tasks that attempt to return from their implementing function.
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*/
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static void prvTaskExitError( void );
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/*-----------------------------------------------------------*/
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/*
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* Initialise the stack of a task to look exactly as if a call to
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* portSAVE_CONTEXT had been called.
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*
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* See the header file portable.h.
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*/
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StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
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{
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uint32_t *pulLocal;
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/* With large code and large data sizeof( StackType_t ) == 2, and
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sizeof( StackType_t * ) == 4. With small code and small data
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sizeof( StackType_t ) == 2 and sizeof( StackType_t * ) == 2. */
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#if __DATA_MODEL__ == __DATA_MODEL_FAR__
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{
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/* Parameters are passed in on the stack, and written using a 32-bit value
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hence a space is left for the second two bytes. */
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pxTopOfStack--;
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/* Write in the parameter value. */
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pulLocal = ( uint32_t * ) pxTopOfStack;
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*pulLocal = ( uint32_t ) pvParameters;
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pxTopOfStack--;
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/* The return address, leaving space for the first two bytes of the
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32-bit value. See the comments above the prvTaskExitError() prototype
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at the top of this file. */
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pxTopOfStack--;
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pulLocal = ( uint32_t * ) pxTopOfStack;
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*pulLocal = ( uint32_t ) prvTaskExitError;
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pxTopOfStack--;
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/* The start address / PSW value is also written in as a 32-bit value,
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so leave a space for the second two bytes. */
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pxTopOfStack--;
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/* Task function start address combined with the PSW. */
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pulLocal = ( uint32_t * ) pxTopOfStack;
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*pulLocal = ( ( ( uint32_t ) pxCode ) | ( portPSW << 24UL ) );
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pxTopOfStack--;
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/* An initial value for the AX register. */
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*pxTopOfStack = ( StackType_t ) 0x1111;
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pxTopOfStack--;
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}
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#else
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{
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/* The return address, leaving space for the first two bytes of the
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32-bit value. See the comments above the prvTaskExitError() prototype
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at the top of this file. */
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pxTopOfStack--;
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pulLocal = ( uint32_t * ) pxTopOfStack;
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*pulLocal = ( uint32_t ) prvTaskExitError;
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pxTopOfStack--;
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/* Task function. Again as it is written as a 32-bit value a space is
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left on the stack for the second two bytes. */
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pxTopOfStack--;
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/* Task function start address combined with the PSW. */
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pulLocal = ( uint32_t * ) pxTopOfStack;
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*pulLocal = ( ( ( uint32_t ) pxCode ) | ( portPSW << 24UL ) );
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pxTopOfStack--;
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/* The parameter is passed in AX. */
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*pxTopOfStack = ( StackType_t ) pvParameters;
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pxTopOfStack--;
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}
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#endif
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/* An initial value for the HL register. */
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*pxTopOfStack = ( StackType_t ) 0x2222;
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pxTopOfStack--;
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/* CS and ES registers. */
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*pxTopOfStack = ( StackType_t ) 0x0F00;
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pxTopOfStack--;
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/* The remaining general purpose registers DE and BC */
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*pxTopOfStack = ( StackType_t ) 0xDEDE;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xBCBC;
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pxTopOfStack--;
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/* Finally the critical section nesting count is set to zero when the task
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first starts. */
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*pxTopOfStack = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
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/* Return a pointer to the top of the stack that has been generated so it
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can be stored in the task control block for the task. */
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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static void prvTaskExitError( void )
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{
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/* A function that implements a task must not exit or attempt to return to
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its caller as there is nothing to return to. If a task wants to exit it
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should instead call vTaskDelete( NULL ).
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Artificially force an assert() to be triggered if configASSERT() is
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defined, then stop here so application writers can catch the error. */
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configASSERT( usCriticalNesting == ~0U );
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portDISABLE_INTERRUPTS();
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for( ;; );
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}
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/*-----------------------------------------------------------*/
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BaseType_t xPortStartScheduler( void )
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{
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/* Setup the hardware to generate the tick. Interrupts are disabled when
|
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this function is called. */
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configSETUP_TICK_INTERRUPT();
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|
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/* Restore the context of the first task that is going to run. */
|
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vPortStartFirstTask();
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/* Execution should not reach here as the tasks are now running!
|
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prvSetupTimerInterrupt() is called here to prevent the compiler outputting
|
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a warning about a statically declared function not being referenced in the
|
||||
case that the application writer has provided their own tick interrupt
|
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configuration routine (and defined configSETUP_TICK_INTERRUPT() such that
|
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their own routine will be called in place of prvSetupTimerInterrupt()). */
|
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prvSetupTimerInterrupt();
|
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return pdTRUE;
|
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}
|
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/*-----------------------------------------------------------*/
|
||||
|
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void vPortEndScheduler( void )
|
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{
|
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/* It is unlikely that the RL78 port will get stopped. */
|
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}
|
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/*-----------------------------------------------------------*/
|
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static void prvSetupTimerInterrupt( void )
|
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{
|
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const uint16_t usClockHz = 15000UL; /* Internal clock. */
|
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const uint16_t usCompareMatch = ( usClockHz / configTICK_RATE_HZ ) + 1UL;
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|
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/* Use the internal 15K clock. */
|
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OSMC = ( uint8_t ) 0x16;
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#ifdef RTCEN
|
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{
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/* Supply the interval timer clock. */
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RTCEN = ( uint8_t ) 1U;
|
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|
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/* Disable INTIT interrupt. */
|
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ITMK = ( uint8_t ) 1;
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|
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/* Disable ITMC operation. */
|
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ITMC = ( uint8_t ) 0x0000;
|
||||
|
||||
/* Clear INIT interrupt. */
|
||||
ITIF = ( uint8_t ) 0;
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||||
|
||||
/* Set interval and enable interrupt operation. */
|
||||
ITMC = usCompareMatch | 0x8000U;
|
||||
|
||||
/* Enable INTIT interrupt. */
|
||||
ITMK = ( uint8_t ) 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef TMKAEN
|
||||
{
|
||||
/* Supply the interval timer clock. */
|
||||
TMKAEN = ( uint8_t ) 1U;
|
||||
|
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/* Disable INTIT interrupt. */
|
||||
TMKAMK = ( uint8_t ) 1;
|
||||
|
||||
/* Disable ITMC operation. */
|
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ITMC = ( uint8_t ) 0x0000;
|
||||
|
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/* Clear INIT interrupt. */
|
||||
TMKAIF = ( uint8_t ) 0;
|
||||
|
||||
/* Set interval and enable interrupt operation. */
|
||||
ITMC = usCompareMatch | 0x8000U;
|
||||
|
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/* Enable INTIT interrupt. */
|
||||
TMKAMK = ( uint8_t ) 0;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
@@ -0,0 +1,110 @@
|
||||
;/*
|
||||
; FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
|
||||
; All rights reserved
|
||||
;
|
||||
;
|
||||
; ***************************************************************************
|
||||
; * *
|
||||
; * 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!
|
||||
;
|
||||
; http://www.FreeRTOS.org - Documentation, latest information, license and
|
||||
; contact details.
|
||||
;
|
||||
; http://www.SafeRTOS.com - A version that is certified for use in safety
|
||||
; critical systems.
|
||||
;
|
||||
; http://www.OpenRTOS.com - Commercial support, development, porting,
|
||||
; licensing and training services.
|
||||
;*/
|
||||
|
||||
#include "ISR_Support.h"
|
||||
|
||||
#define CS 0xFFFFC
|
||||
#define ES 0xFFFFD
|
||||
|
||||
PUBLIC vPortYield
|
||||
PUBLIC vPortStartFirstTask
|
||||
PUBLIC vPortTickISR
|
||||
|
||||
EXTERN vTaskSwitchContext
|
||||
EXTERN xTaskIncrementTick
|
||||
|
||||
; FreeRTOS yield handler. This is installed as the BRK software interrupt
|
||||
; handler.
|
||||
RSEG CODE:CODE
|
||||
vPortYield:
|
||||
portSAVE_CONTEXT ; Save the context of the current task.
|
||||
call vTaskSwitchContext ; Call the scheduler to select the next task.
|
||||
portRESTORE_CONTEXT ; Restore the context of the next task to run.
|
||||
retb
|
||||
|
||||
|
||||
; Starts the scheduler by restoring the context of the task that will execute
|
||||
; first.
|
||||
RSEG CODE:CODE
|
||||
vPortStartFirstTask:
|
||||
portRESTORE_CONTEXT ; Restore the context of whichever task the ...
|
||||
reti ; An interrupt stack frame is used so the task
|
||||
; is started using a RETI instruction.
|
||||
|
||||
; FreeRTOS tick handler. This is installed as the interval timer interrupt
|
||||
; handler.
|
||||
RSEG CODE:CODE
|
||||
vPortTickISR:
|
||||
|
||||
portSAVE_CONTEXT ; Save the context of the current task.
|
||||
call xTaskIncrementTick ; Call the timer tick function.
|
||||
cmpw ax, #0x00
|
||||
skz
|
||||
call vTaskSwitchContext ; Call the scheduler to select the next task.
|
||||
portRESTORE_CONTEXT ; Restore the context of the next task to run.
|
||||
reti
|
||||
|
||||
|
||||
; Install the interrupt handlers
|
||||
|
||||
COMMON INTVEC:CODE:ROOT(1)
|
||||
ORG configTICK_VECTOR
|
||||
DW vPortTickISR
|
||||
|
||||
COMMON INTVEC:CODE:ROOT(1)
|
||||
ORG 126
|
||||
DW vPortYield
|
||||
|
||||
|
||||
END
|
||||
@@ -0,0 +1,186 @@
|
||||
/*
|
||||
FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
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 on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
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.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial 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
|
||||
|
||||
#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.
|
||||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
#if __DATA_MODEL__ == __DATA_MODEL_FAR__ && __CODE_MODEL__ == __CODE_MODEL_NEAR__
|
||||
#warning This port has not been tested with your selected memory model combination. If a far data model is required it is recommended to also use a far code model.
|
||||
#endif
|
||||
|
||||
#if __DATA_MODEL__ == __DATA_MODEL_NEAR__ && __CODE_MODEL__ == __CODE_MODEL_FAR__
|
||||
#warning This port has not been tested with your selected memory model combination. If a far code model is required it is recommended to also use a far data model.
|
||||
#endif
|
||||
|
||||
/* Type definitions. */
|
||||
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT short
|
||||
#define portSTACK_TYPE uint16_t
|
||||
#define portBASE_TYPE short
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef short BaseType_t;
|
||||
typedef unsigned short UBaseType_t;
|
||||
|
||||
|
||||
#if __DATA_MODEL__ == __DATA_MODEL_FAR__
|
||||
#define portPOINTER_SIZE_TYPE uint32_t
|
||||
#else
|
||||
#define portPOINTER_SIZE_TYPE uint16_t
|
||||
#endif
|
||||
|
||||
|
||||
#if ( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef unsigned int TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Interrupt control macros. */
|
||||
#define portDISABLE_INTERRUPTS() __asm ( "DI" )
|
||||
#define portENABLE_INTERRUPTS() __asm ( "EI" )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section control macros. */
|
||||
#define portNO_CRITICAL_SECTION_NESTING ( ( uint16_t ) 0 )
|
||||
|
||||
#define portENTER_CRITICAL() \
|
||||
{ \
|
||||
extern volatile uint16_t usCriticalNesting; \
|
||||
\
|
||||
portDISABLE_INTERRUPTS(); \
|
||||
\
|
||||
/* Now interrupts are disabled ulCriticalNesting can be accessed */ \
|
||||
/* directly. Increment ulCriticalNesting to keep a count of how many */ \
|
||||
/* times portENTER_CRITICAL() has been called. */ \
|
||||
usCriticalNesting++; \
|
||||
}
|
||||
|
||||
#define portEXIT_CRITICAL() \
|
||||
{ \
|
||||
extern volatile uint16_t usCriticalNesting; \
|
||||
\
|
||||
if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \
|
||||
{ \
|
||||
/* Decrement the nesting count as we are leaving a critical section. */ \
|
||||
usCriticalNesting--; \
|
||||
\
|
||||
/* If the nesting level has reached zero then interrupts should be */ \
|
||||
/* re-enabled. */ \
|
||||
if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \
|
||||
{ \
|
||||
portENABLE_INTERRUPTS(); \
|
||||
} \
|
||||
} \
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task utilities. */
|
||||
#define portYIELD() __asm( "BRK" )
|
||||
#define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext()
|
||||
#define portNOP() __asm( "NOP" )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Hardwware specifics. */
|
||||
#define portBYTE_ALIGNMENT 2
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* 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 )
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
Reference in New Issue
Block a user