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SourceVuESP-IDF Framework and ExamplesESP-IDFspi_flash_cache2phys()

spi_flash_cache2phys() function

Given a memory address where flash is mapped, return the corresponding physical flash offset. Cache address does not have have been assigned via spi_flash_mmap(), any address in memory mapped flash space can be looked up.

Syntax

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Summary

Declaration

Definition

from spi_flash_mmap.h:146

size_t spi_flash_cache2phys(const void *cached);

Implemented in flash_mmap.c:329

Arguments

Argument

Description

cached

Pointer to flashed cached memory.

Return value

- SPI_FLASH_CACHE2PHYS_FAIL If cache address is outside flash cache region, or the address is not mapped. - Otherwise, returns physical offset in flash

References

Code

Location

Referrer

size_t spi_flash_cache2phys(const void *cached)

flash_mmap.c:329

size_t spi_flash_cache2phys(const void *cached);

spi_flash_mmap.h:146

size_t phys_offs = spi_flash_cache2phys(esp_ota_get_running_partition);

esp_ota_ops.c:552

esp_ota_get_running_partition()

Call Tree

spi_flash_cache2phys() is called by 1 function and calls 1 function:

esp_ota_get_running_partition()

spi_flash_cache2phys()

esp_mmu_vaddr_to_paddr()

Data Use

spi_flash_cache2phys():

spi_flash_cache2phys()

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