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Add api to get total heap size in bytes for given capability

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Kewal 2019-10-21 14:55:58 +08:00 committed by Angus Gratton
parent bb38d181a1
commit d3020b217d
2 changed files with 26 additions and 0 deletions
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12
components/heap/heap_caps.c
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@ -329,6 +329,18 @@ IRAM_ATTR void *heap_caps_calloc( size_t n, size_t size, uint32_t caps)
return result; return result;
} }
size_t heap_caps_get_total_size(uint32_t caps)
{
size_t total_size = 0;
heap_t *heap;
SLIST_FOREACH(heap, &registered_heaps, next) {
if (heap_caps_match(heap, caps)) {
total_size += (heap->end - heap->start);
}
}
return total_size;
}
size_t heap_caps_get_free_size( uint32_t caps ) size_t heap_caps_get_free_size( uint32_t caps )
{ {
size_t ret = 0; size_t ret = 0;

14
components/heap/include/esp_heap_caps.h
View file

@ -101,6 +101,20 @@ void *heap_caps_realloc( void *ptr, size_t size, int caps);
*/ */
void *heap_caps_calloc(size_t n, size_t size, uint32_t caps); void *heap_caps_calloc(size_t n, size_t size, uint32_t caps);
/**
* @brief Get the total size of all the regions that have the given capabilities
*
* This function takes all regions capable of having the given capabilities allocated in them
* and adds up the total space they have.
*
* @param caps Bitwise OR of MALLOC_CAP_* flags indicating the type
* of memory
*
* @return total size in bytes
*/
size_t heap_caps_get_total_size(uint32_t caps);
/** /**
* @brief Get the total free size of all the regions that have the given capabilities * @brief Get the total free size of all the regions that have the given capabilities
* *