esp_himem_alloc_map_range() function

Allocate a memory region to map blocks into This allocates a contiguous CPU memory region that can be used to map blocks of physical memory into.

Syntax

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Summary

Declaration

Definition

esp_err_t esp_himem_alloc_map_range(size_t size, esp_himem_rangehandle_t *handle_out);

Argument

Description

size

Size of the range to be allocated. Note this needs to be a multiple of the external RAM mmu block size (32K).

handle_out

Handle to be returned

- ESP_OK if succesful - ESP_ERR_NO_MEM if out of memory or address space - ESP_ERR_INVALID_SIZE if size is not a multiple of 32K

esp_himem_alloc_map_range() is referenced by 1 libraries and example projects:

from examples