You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
185 lines
7.9 KiB
C
185 lines
7.9 KiB
C
/*
|
|
FreeRTOS V8.2.1 - Copyright (C) 2015 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
|
|
|
|
/* Hardware specifics. */
|
|
#include "machine.h"
|
|
|
|
/*-----------------------------------------------------------
|
|
* Port specific definitions.
|
|
*
|
|
* The settings in this file configure FreeRTOS correctly for the
|
|
* given hardware and compiler.
|
|
*
|
|
* These settings should not be altered.
|
|
*-----------------------------------------------------------
|
|
*/
|
|
|
|
/* Type definitions - these are a bit legacy and not really used now, other than
|
|
portSTACK_TYPE and portBASE_TYPE. */
|
|
#define portCHAR char
|
|
#define portFLOAT float
|
|
#define portDOUBLE double
|
|
#define portLONG long
|
|
#define portSHORT short
|
|
#define portSTACK_TYPE uint32_t
|
|
#define portBASE_TYPE long
|
|
|
|
typedef portSTACK_TYPE StackType_t;
|
|
typedef long BaseType_t;
|
|
typedef unsigned long 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
|
|
|
|
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
|
|
not need to be guarded with a critical section. */
|
|
#define portTICK_TYPE_IS_ATOMIC 1
|
|
#endif
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/* Hardware specifics. */
|
|
#define portBYTE_ALIGNMENT 8 /* Could make four, according to manual. */
|
|
#define portSTACK_GROWTH -1
|
|
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
|
#define portNOP() nop()
|
|
|
|
|
|
#pragma inline_asm vPortYield
|
|
static void vPortYield( void )
|
|
{
|
|
/* Save clobbered register - may not actually be necessary if inline asm
|
|
functions are considered to use the same rules as function calls by the
|
|
compiler. */
|
|
PUSH.L R5
|
|
/* Set ITU SWINTR. */
|
|
MOV.L #553696, R5
|
|
MOV.B #1, [R5]
|
|
/* Read back to ensure the value is taken before proceeding. */
|
|
MOV.L [R5], R5
|
|
/* Restore clobbered register to its previous value. */
|
|
POP R5
|
|
}
|
|
#define portYIELD() vPortYield()
|
|
#define portYIELD_FROM_ISR( x ) if( x != pdFALSE ) portYIELD()
|
|
|
|
/* These macros should not be called directly, but through the
|
|
taskENTER_CRITICAL() and taskEXIT_CRITICAL() macros. An extra check is
|
|
performed if configASSERT() is defined to ensure an assertion handler does not
|
|
inadvertently attempt to lower the IPL when the call to assert was triggered
|
|
because the IPL value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY
|
|
when an ISR safe FreeRTOS API function was executed. ISR safe FreeRTOS API
|
|
functions are those that end in FromISR. FreeRTOS maintains a separate
|
|
interrupt API to ensure API function and interrupt entry is as fast and as
|
|
simple as possible. */
|
|
#define portENABLE_INTERRUPTS() set_ipl( ( long ) 0 )
|
|
#ifdef configASSERT
|
|
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( ( get_ipl() <= configMAX_SYSCALL_INTERRUPT_PRIORITY ) )
|
|
#define portDISABLE_INTERRUPTS() if( get_ipl() < configMAX_SYSCALL_INTERRUPT_PRIORITY ) set_ipl( ( long ) configMAX_SYSCALL_INTERRUPT_PRIORITY )
|
|
#else
|
|
#define portDISABLE_INTERRUPTS() set_ipl( ( long ) configMAX_SYSCALL_INTERRUPT_PRIORITY )
|
|
#endif
|
|
|
|
/* Critical nesting counts are stored in the TCB. */
|
|
#define portCRITICAL_NESTING_IN_TCB ( 1 )
|
|
|
|
/* The critical nesting functions defined within tasks.c. */
|
|
extern void vTaskEnterCritical( void );
|
|
extern void vTaskExitCritical( void );
|
|
#define portENTER_CRITICAL() vTaskEnterCritical()
|
|
#define portEXIT_CRITICAL() vTaskExitCritical()
|
|
|
|
/* As this port allows interrupt nesting... */
|
|
#define portSET_INTERRUPT_MASK_FROM_ISR() ( UBaseType_t ) get_ipl(); set_ipl( ( long ) configMAX_SYSCALL_INTERRUPT_PRIORITY )
|
|
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) set_ipl( ( long ) uxSavedInterruptStatus )
|
|
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/* 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 */
|
|
|