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/*
* FreeRTOS Kernel V10.4.3 LTS Patch 3
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* 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
*
* 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.
*-----------------------------------------------------------
*/
/* Type definitions. */
#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
#endif
/*-----------------------------------------------------------*/
/* Hardware specifics. */
#define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8
#define portYIELD() asm volatile ( "SWI 0" )
#define portNOP() asm volatile ( "NOP" )
/*-----------------------------------------------------------*/
/* Critical section handling. */
/*
* The interrupt management utilities can only be called from ARM mode. When
* THUMB_INTERWORK is defined the utilities are defined as functions in
* portISR.c to ensure a switch to ARM mode. When THUMB_INTERWORK is not
* defined then the utilities are defined as macros here - as per other ports.
*/
#ifdef THUMB_INTERWORK
extern void vPortDisableInterruptsFromThumb( void ) __attribute__ ((naked));
extern void vPortEnableInterruptsFromThumb( void ) __attribute__ ((naked));
#define portDISABLE_INTERRUPTS() vPortDisableInterruptsFromThumb()
#define portENABLE_INTERRUPTS() vPortEnableInterruptsFromThumb()
#else
#define portDISABLE_INTERRUPTS() \
asm volatile ( \
"STMDB SP!, {R0} \n\t" /* Push R0. */ \
"MRS R0, CPSR \n\t" /* Get CPSR. */ \
"ORR R0, R0, #0xC0 \n\t" /* Disable IRQ, FIQ. */ \
"MSR CPSR, R0 \n\t" /* Write back modified value. */ \
"LDMIA SP!, {R0} " ) /* Pop R0. */
#define portENABLE_INTERRUPTS() \
asm volatile ( \
"STMDB SP!, {R0} \n\t" /* Push R0. */ \
"MRS R0, CPSR \n\t" /* Get CPSR. */ \
"BIC R0, R0, #0xC0 \n\t" /* Enable IRQ, FIQ. */ \
"MSR CPSR, R0 \n\t" /* Write back modified value. */ \
"LDMIA SP!, {R0} " ) /* Pop R0. */
#endif /* THUMB_INTERWORK */
extern void vPortEnterCritical( void );
extern void vPortExitCritical( void );
#define portENTER_CRITICAL() vPortEnterCritical();
#define portEXIT_CRITICAL() vPortExitCritical();
/*-----------------------------------------------------------*/
/* Task utilities. */
#define portEND_SWITCHING_ISR( xSwitchRequired ) \
{ \
extern void vTaskSwitchContext( void ); \
\
if( xSwitchRequired ) \
{ \
vTaskSwitchContext(); \
} \
}
/*-----------------------------------------------------------*/
/* 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 */
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