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Add logic to make external RAM usable with malloc()

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This commit is contained in:
Jeroen Domburg
2017-09-22 16:02:39 +08:00
parent c65f12bb45
commit 740f8a79f0
20 changed files with 364 additions and 51 deletions
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8
components/heap/heap_caps_init.c
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@@ -230,6 +230,14 @@ esp_err_t heap_caps_add_region_with_caps(const uint32_t caps[], intptr_t start,
return ESP_ERR_INVALID_ARG;
}
//Check if region overlaps the start and/or end of an existing region. If so, the
//region is invalid (or maybe added twice)
heap_t *heap;
SLIST_FOREACH(heap, &registered_heaps, next) {
if ( start <= heap->start && heap->start <=end ) return ESP_FAIL;
if ( start <= heap->end && heap->end <=end ) return ESP_FAIL;
}
heap_t *p_new = malloc(sizeof(heap_t));
if (p_new == NULL) {
err = ESP_ERR_NO_MEM;