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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_psram_check_ptr_addr()

esp_psram_check_ptr_addr() function

Check if the pointer is on PSRAM

Syntax

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Summary

Declaration

Definition

from esp_psram_extram.h:26

bool esp_psram_check_ptr_addr(const void *p);

Implemented in esp_psram.c:397

Arguments

Argument

Description

The pointer to check

Return value

- False: the pointer isn't on PSRAM, or PSRAM isn't initialised successfully - True: the pointer is on PSRAM

References

Code

Location

Referrer

bool IRAM_ATTR esp_psram_check_ptr_addr(const void *p)

esp_psram.c:397

bool esp_psram_check_ptr_addr(const void *p);

esp_psram_extram.h:26

return esp_psram_check_ptr_addr(p);

esp_memory_utils.c:26

esp_ptr_dma_ext_capable()

r |= esp_psram_check_ptr_addr(p);

esp_memory_utils.c:44

esp_ptr_byte_accessible()

return esp_psram_check_ptr_addr(p);

esp_memory_utils.c:64

esp_ptr_external_ram()

Call Tree

esp_psram_check_ptr_addr() is called by 3 functions:

esp_ptr_dma_ext_capable()

esp_ptr_byte_accessible()

esp_ptr_external_ram()

esp_psram_check_ptr_addr()

Data Use

esp_psram_check_ptr_addr() reads 5 variables:

psram_mem_t::vaddr_start

psram_mem_t::vaddr_end

psram_ctx_t::is_initialised

psram_ctx_t::mapped_regions

s_psram_ctx

esp_psram_check_ptr_addr()

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