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138 lines
5.4 KiB
C
138 lines
5.4 KiB
C
/*
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* FreeRTOS Kernel V10.4.6
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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/*-----------------------------------------------------------
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* Portable layer API. Each function must be defined for each port.
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*----------------------------------------------------------*/
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#ifndef PORTABLE_H
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#define PORTABLE_H
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#ifdef ESP_PLATFORM
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#include "freertos/portmacro.h"
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#else
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#include "portmacro.h"
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#endif
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#if portBYTE_ALIGNMENT == 32
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#define portBYTE_ALIGNMENT_MASK ( 0x001f )
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#elif portBYTE_ALIGNMENT == 16
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#define portBYTE_ALIGNMENT_MASK ( 0x000f )
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#elif portBYTE_ALIGNMENT == 8
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#define portBYTE_ALIGNMENT_MASK ( 0x0007 )
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#elif portBYTE_ALIGNMENT == 4
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#define portBYTE_ALIGNMENT_MASK ( 0x0003 )
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#elif portBYTE_ALIGNMENT == 2
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#define portBYTE_ALIGNMENT_MASK ( 0x0001 )
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#elif portBYTE_ALIGNMENT == 1
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#define portBYTE_ALIGNMENT_MASK ( 0x0000 )
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#else /* if portBYTE_ALIGNMENT == 32 */
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#error "Invalid portBYTE_ALIGNMENT definition"
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#endif /* if portBYTE_ALIGNMENT == 32 */
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/* *INDENT-OFF* */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* *INDENT-ON* */
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#ifdef configUSE_FREERTOS_PROVIDED_HEAP
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/* Used by heap_5.c to define the start address and size of each memory region
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* that together comprise the total FreeRTOS heap space. */
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typedef struct HeapRegion
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{
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uint8_t * pucStartAddress;
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size_t xSizeInBytes;
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} HeapRegion_t;
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/* Used to pass information about the heap out of vPortGetHeapStats(). */
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typedef struct xHeapStats
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{
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size_t xAvailableHeapSpaceInBytes; /* The total heap size currently available - this is the sum of all the free blocks, not the largest block that can be allocated. */
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size_t xSizeOfLargestFreeBlockInBytes; /* The maximum size, in bytes, of all the free blocks within the heap at the time vPortGetHeapStats() is called. */
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size_t xSizeOfSmallestFreeBlockInBytes; /* The minimum size, in bytes, of all the free blocks within the heap at the time vPortGetHeapStats() is called. */
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size_t xNumberOfFreeBlocks; /* The number of free memory blocks within the heap at the time vPortGetHeapStats() is called. */
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size_t xMinimumEverFreeBytesRemaining; /* The minimum amount of total free memory (sum of all free blocks) there has been in the heap since the system booted. */
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size_t xNumberOfSuccessfulAllocations; /* The number of calls to pvPortMalloc() that have returned a valid memory block. */
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size_t xNumberOfSuccessfulFrees; /* The number of calls to vPortFree() that has successfully freed a block of memory. */
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} HeapStats_t;
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/*
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* Used to define multiple heap regions for use by heap_5.c. This function
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* must be called before any calls to pvPortMalloc() - not creating a task,
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* queue, semaphore, mutex, software timer, event group, etc. will result in
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* pvPortMalloc being called.
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*
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* pxHeapRegions passes in an array of HeapRegion_t structures - each of which
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* defines a region of memory that can be used as the heap. The array is
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* terminated by a HeapRegions_t structure that has a size of 0. The region
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* with the lowest start address must appear first in the array.
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*/
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void vPortDefineHeapRegions( const HeapRegion_t * const pxHeapRegions );
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/*
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* Returns a HeapStats_t structure filled with information about the current
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* heap state.
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*/
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void vPortGetHeapStats( HeapStats_t * pxHeapStats );
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/*
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* Map to the memory management routines required for the port.
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*/
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void * pvPortMalloc( size_t xSize );
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void vPortFree( void * pv );
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void vPortInitialiseBlocks( void );
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size_t xPortGetFreeHeapSize( void );
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size_t xPortGetMinimumEverFreeHeapSize( void );
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#else // configUSE_FREERTOS_PROVIDED_HEAP
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/*
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* Map to the memory management routines required for the port.
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*
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* Note that libc standard malloc/free are also available for
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* non-FreeRTOS-specific code, and behave the same as
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* pvPortMalloc()/vPortFree().
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*/
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#define pvPortMalloc malloc
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#define vPortFree free
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#define xPortGetFreeHeapSize esp_get_free_heap_size
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#define xPortGetMinimumEverFreeHeapSize esp_get_minimum_free_heap_size
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#endif
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void vPortEndScheduler( void );
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/* *INDENT-OFF* */
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#ifdef __cplusplus
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}
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#endif
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/* *INDENT-ON* */
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#endif /* PORTABLE_H */
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