【添加】FreeRTOS Demo
This commit is contained in:
Maofeng
@@ -0,0 +1,80 @@
|
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;/*
|
||||
; 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.
|
||||
;*/
|
||||
|
||||
.if $DEFINED( __LARGE_DATA_MODEL__ )
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.define "pushm.a", pushm_x
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.define "popm.a", popm_x
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.define "push.a", push_x
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||||
.define "pop.a", pop_x
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.define "mov.a", mov_x
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.else
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.define "pushm.w", pushm_x
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||||
.define "popm.w", popm_x
|
||||
.define "push.w", push_x
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.define "pop.w", pop_x
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.define "mov.w", mov_x
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.endif
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.if $DEFINED( __LARGE_CODE_MODEL__ )
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.define "calla", call_x
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.define "reta", ret_x
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.else
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.define "call", call_x
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.define "ret", ret_x
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.endif
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|
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@@ -0,0 +1,229 @@
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/*
|
||||
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
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|
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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 *
|
||||
* 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
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
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||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
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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|
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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.
|
||||
|
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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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|
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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
|
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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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/*-----------------------------------------------------------
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* Implementation of functions defined in portable.h for the MSP430X port.
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*----------------------------------------------------------*/
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/* Constants required for hardware setup. The tick ISR runs off the ACLK,
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not the MCLK. */
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#define portACLK_FREQUENCY_HZ ( ( TickType_t ) 32768 )
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#define portINITIAL_CRITICAL_NESTING ( ( uint16_t ) 10 )
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#define portFLAGS_INT_ENABLED ( ( StackType_t ) 0x08 )
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/* We require the address of the pxCurrentTCB variable, but don't want to know
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any details of its type. */
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typedef void TCB_t;
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extern volatile TCB_t * volatile pxCurrentTCB;
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|
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/* Each task maintains a count of the critical section nesting depth. Each
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time a critical section is entered the count is incremented. Each time a
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critical section is exited the count is decremented - with interrupts only
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being 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 this will 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. This uses timer 0, but
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* could have alternatively used the watchdog timer or timer 1.
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*/
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void vPortSetupTimerInterrupt( 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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uint16_t *pusTopOfStack;
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uint32_t *pulTopOfStack, ulTemp;
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/*
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Place a few bytes of known values on the bottom of the stack.
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This is just useful for debugging and can be included if required.
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*pxTopOfStack = ( StackType_t ) 0x1111;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x2222;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x3333;
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pxTopOfStack--;
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*/
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/* Data types are need either 16 bits or 32 bits depending on the data
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and code model used. */
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if( sizeof( pxCode ) == sizeof( uint16_t ) )
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{
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pusTopOfStack = ( uint16_t * ) pxTopOfStack;
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ulTemp = ( uint32_t ) pxCode;
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*pusTopOfStack = ( uint16_t ) ulTemp;
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}
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else
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{
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/* Make room for a 20 bit value stored as a 32 bit value. */
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pusTopOfStack = ( uint16_t * ) pxTopOfStack;
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pusTopOfStack--;
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pulTopOfStack = ( uint32_t * ) pusTopOfStack;
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*pulTopOfStack = ( uint32_t ) pxCode;
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}
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pusTopOfStack--;
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*pusTopOfStack = portFLAGS_INT_ENABLED;
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pusTopOfStack -= ( sizeof( StackType_t ) / 2 );
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/* From here on the size of stacked items depends on the memory model. */
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pxTopOfStack = ( StackType_t * ) pusTopOfStack;
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/* Next the general purpose registers. */
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#ifdef PRELOAD_REGISTER_VALUES
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*pxTopOfStack = ( StackType_t ) 0xffff;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xeeee;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xdddd;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pvParameters;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xbbbb;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xaaaa;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x9999;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x8888;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x5555;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x6666;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x5555;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x4444;
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pxTopOfStack--;
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#else
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pxTopOfStack -= 3;
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*pxTopOfStack = ( StackType_t ) pvParameters;
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pxTopOfStack -= 9;
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#endif
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/* A variable is used to keep track of the critical section nesting.
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This variable has to be stored as part of the task context and is
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initially set to zero. */
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*pxTopOfStack = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
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/* Return a pointer to the top of the stack we have generated so this can
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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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void vPortEndScheduler( void )
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{
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/* It is unlikely that the MSP430 port will get stopped. If required simply
|
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disable the tick interrupt here. */
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}
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/*-----------------------------------------------------------*/
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/*
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* Hardware initialisation to generate the RTOS tick.
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*/
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void vPortSetupTimerInterrupt( void )
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{
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vApplicationSetupTimerInterrupt();
|
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}
|
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/*-----------------------------------------------------------*/
|
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|
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#pragma vector=configTICK_VECTOR
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interrupt void vTickISREntry( void )
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{
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extern void vPortTickISR( void );
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|
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__bic_SR_register_on_exit( SCG1 + SCG0 + OSCOFF + CPUOFF );
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#if configUSE_PREEMPTION == 1
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extern void vPortPreemptiveTickISR( void );
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vPortPreemptiveTickISR();
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#else
|
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extern void vPortCooperativeTickISR( void );
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vPortCooperativeTickISR();
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#endif
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}
|
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|
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|
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@@ -0,0 +1,187 @@
|
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;
|
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;/*
|
||||
; 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.
|
||||
;*/
|
||||
|
||||
; * The definition of the "register test" tasks, as described at the top of
|
||||
; * main.c
|
||||
|
||||
.include data_model.h
|
||||
|
||||
.global xTaskIncrementTick
|
||||
.global vTaskSwitchContext
|
||||
.global vPortSetupTimerInterrupt
|
||||
.global pxCurrentTCB
|
||||
.global usCriticalNesting
|
||||
|
||||
.def vPortPreemptiveTickISR
|
||||
.def vPortCooperativeTickISR
|
||||
.def vPortYield
|
||||
.def xPortStartScheduler
|
||||
|
||||
;-----------------------------------------------------------
|
||||
|
||||
portSAVE_CONTEXT .macro
|
||||
|
||||
;Save the remaining registers.
|
||||
pushm_x #12, r15
|
||||
mov.w &usCriticalNesting, r14
|
||||
push_x r14
|
||||
mov_x &pxCurrentTCB, r12
|
||||
mov_x sp, 0( r12 )
|
||||
.endm
|
||||
;-----------------------------------------------------------
|
||||
|
||||
portRESTORE_CONTEXT .macro
|
||||
|
||||
mov_x &pxCurrentTCB, r12
|
||||
mov_x @r12, sp
|
||||
pop_x r15
|
||||
mov.w r15, &usCriticalNesting
|
||||
popm_x #12, r15
|
||||
nop
|
||||
pop.w sr
|
||||
nop
|
||||
ret_x
|
||||
.endm
|
||||
;-----------------------------------------------------------
|
||||
|
||||
;*
|
||||
;* The RTOS tick ISR.
|
||||
;*
|
||||
;* If the cooperative scheduler is in use this simply increments the tick
|
||||
;* count.
|
||||
;*
|
||||
;* If the preemptive scheduler is in use a context switch can also occur.
|
||||
;*/
|
||||
|
||||
.text
|
||||
.align 2
|
||||
|
||||
vPortPreemptiveTickISR: .asmfunc
|
||||
|
||||
; The sr is not saved in portSAVE_CONTEXT() because vPortYield() needs
|
||||
;to save it manually before it gets modified (interrupts get disabled).
|
||||
push.w sr
|
||||
portSAVE_CONTEXT
|
||||
|
||||
call_x #xTaskIncrementTick
|
||||
call_x #vTaskSwitchContext
|
||||
|
||||
portRESTORE_CONTEXT
|
||||
.endasmfunc
|
||||
;-----------------------------------------------------------
|
||||
|
||||
.align 2
|
||||
|
||||
vPortCooperativeTickISR: .asmfunc
|
||||
|
||||
; The sr is not saved in portSAVE_CONTEXT() because vPortYield() needs
|
||||
;to save it manually before it gets modified (interrupts get disabled).
|
||||
push.w sr
|
||||
portSAVE_CONTEXT
|
||||
|
||||
call_x #xTaskIncrementTick
|
||||
|
||||
portRESTORE_CONTEXT
|
||||
|
||||
.endasmfunc
|
||||
;-----------------------------------------------------------
|
||||
|
||||
;
|
||||
; Manual context switch called by the portYIELD() macro.
|
||||
;
|
||||
|
||||
.align 2
|
||||
|
||||
vPortYield: .asmfunc
|
||||
|
||||
; The sr needs saving before it is modified.
|
||||
push.w sr
|
||||
|
||||
; Now the SR is stacked we can disable interrupts.
|
||||
dint
|
||||
nop
|
||||
|
||||
; Save the context of the current task.
|
||||
portSAVE_CONTEXT
|
||||
|
||||
; Select the next task to run.
|
||||
call_x #vTaskSwitchContext
|
||||
|
||||
; Restore the context of the new task.
|
||||
portRESTORE_CONTEXT
|
||||
.endasmfunc
|
||||
;-----------------------------------------------------------
|
||||
|
||||
|
||||
;
|
||||
; Start off the scheduler by initialising the RTOS tick timer, then restoring
|
||||
; the context of the first task.
|
||||
;
|
||||
|
||||
.align 2
|
||||
|
||||
xPortStartScheduler: .asmfunc
|
||||
|
||||
; Setup the hardware to generate the tick. Interrupts are disabled
|
||||
; when this function is called.
|
||||
call_x #vPortSetupTimerInterrupt
|
||||
|
||||
; Restore the context of the first task that is going to run.
|
||||
portRESTORE_CONTEXT
|
||||
.endasmfunc
|
||||
;-----------------------------------------------------------
|
||||
|
||||
.end
|
||||
|
||||
@@ -0,0 +1,185 @@
|
||||
/*
|
||||
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
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Port specific definitions.
|
||||
*
|
||||
* The settings in this file configure FreeRTOS correctly for the
|
||||
* given hardware and compiler.
|
||||
*
|
||||
* These settings should not be altered.
|
||||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Hardware includes. */
|
||||
#include "msp430.h"
|
||||
|
||||
/* Type definitions. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT int
|
||||
#define portBASE_TYPE portSHORT
|
||||
|
||||
/* The stack type changes depending on the data model. */
|
||||
#ifdef __LARGE_DATA_MODEL__
|
||||
#define portSTACK_TYPE uint32_t
|
||||
#else
|
||||
#define portSTACK_TYPE uint16_t
|
||||
#define portPOINTER_SIZE_TYPE uint16_t
|
||||
#endif
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef short BaseType_t;
|
||||
typedef unsigned short 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
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Interrupt control macros. */
|
||||
#define portDISABLE_INTERRUPTS() _disable_interrupt(); _nop()
|
||||
#define portENABLE_INTERRUPTS() _enable_interrupt(); _nop()
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* 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 usCriticalNesting 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. */
|
||||
|
||||
/*
|
||||
* Manual context switch called by portYIELD or taskYIELD.
|
||||
*/
|
||||
extern void vPortYield( void );
|
||||
#define portYIELD() vPortYield()
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Hardware specifics. */
|
||||
#define portBYTE_ALIGNMENT 2
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portNOP() __no_operation()
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* 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 )
|
||||
|
||||
extern void vTaskSwitchContext( void );
|
||||
#define portYIELD_FROM_ISR( x ) if( x ) vPortYield()
|
||||
|
||||
void vApplicationSetupTimerInterrupt( void );
|
||||
|
||||
/* sizeof( int ) != sizeof( long ) so a full printf() library is required if
|
||||
run time stats information is to be displayed. */
|
||||
#define portLU_PRINTF_SPECIFIER_REQUIRED
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
Reference in New Issue
Block a user