mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-11-04 11:09:01 +01:00
140 lines
6.1 KiB
C
140 lines
6.1 KiB
C
/*
|
|
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
|
|
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
* this software and associated documentation files (the "Software"), to deal in
|
|
* the Software without restriction, including without limitation the rights to
|
|
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
|
* the Software, and to permit persons to whom the Software is furnished to do so,
|
|
* subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
|
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
|
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
|
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* https://www.FreeRTOS.org
|
|
* https://github.com/FreeRTOS
|
|
*
|
|
*/
|
|
|
|
#ifndef PORTMACRO_H
|
|
#define PORTMACRO_H
|
|
|
|
/* *INDENT-OFF* */
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
/* *INDENT-ON* */
|
|
|
|
/*-----------------------------------------------------------
|
|
* 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. */
|
|
#define portCHAR char
|
|
#define portFLOAT float
|
|
#define portDOUBLE double
|
|
#define portLONG long
|
|
#define portSHORT int
|
|
#define portSTACK_TYPE uint16_t
|
|
#define portBASE_TYPE short
|
|
#define portPOINTER_SIZE_TYPE uint16_t
|
|
|
|
typedef portSTACK_TYPE StackType_t;
|
|
typedef short BaseType_t;
|
|
typedef unsigned short UBaseType_t;
|
|
|
|
#if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
|
|
typedef uint16_t TickType_t;
|
|
#define portMAX_DELAY ( TickType_t ) 0xffff
|
|
#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
|
|
typedef uint32_t TickType_t;
|
|
#define portMAX_DELAY ( TickType_t ) ( 0xFFFFFFFFUL )
|
|
#else
|
|
#error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
|
|
#endif
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/* Interrupt control macros. */
|
|
#define portDISABLE_INTERRUPTS() asm volatile ( "DINT" ); asm volatile ( "NOP" )
|
|
#define portENABLE_INTERRUPTS() asm volatile ( "EINT" ); asm volatile ( "NOP" )
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/* Critical section control macros. */
|
|
#define portNO_CRITICAL_SECTION_NESTING ( ( uint16_t ) 0 )
|
|
|
|
#define portENTER_CRITICAL() \
|
|
{ \
|
|
extern volatile uint16_t usCriticalNesting; \
|
|
\
|
|
portDISABLE_INTERRUPTS(); \
|
|
\
|
|
/* Now that 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. */
|
|
extern void vPortYield( void ) __attribute__( ( naked ) );
|
|
#define portYIELD() vPortYield()
|
|
#define portNOP() asm volatile ( "NOP" )
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/* Hardware specifics. */
|
|
#define portBYTE_ALIGNMENT 2
|
|
#define portSTACK_GROWTH ( -1 )
|
|
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
|
|
|
/* GCC used to define these but doesn't any more */
|
|
#define interrupt(vector) __attribute__((__interrupt__(vector)))
|
|
#define wakeup __attribute__((__wakeup__))
|
|
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/* 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 )
|
|
|
|
/* *INDENT-OFF* */
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
/* *INDENT-ON* */
|
|
|
|
#endif /* PORTMACRO_H */
|