esp_psram_init() function

Initialize PSRAM interface/hardware.

Syntax

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Summary

Declaration

Definition

from esp_psram.h:26

esp_err_t esp_psram_init(void);

Implemented in esp_psram.c:332

Return value

- ESP_OK: On success - ESP_FAIL: PSRAM isn't initialized successfully, potential reason would be: wrong VDDSDIO, invalid chip ID, etc. - ESP_ERR_INVALID_STATE: PSRAM is initialized already

References

Code

Location

Referrer

esp_err_t esp_psram_init(void)

esp_psram.c:332

esp_err_t esp_psram_init(void);

esp_psram.h:26

if (esp_psram_init() != ESP_OK) {

cpu_start.c:585

call_start_cpu0()

Call Tree

esp_psram_init() is called by 1 function and calls 3 functions:

call_start_cpu0()

esp_psram_init()

cache_register_writeback()

s_psram_mapping()

s_psram_chip_init()

Data Use

esp_psram_init() reads 1 variable:

esp_psram_extram_writeback_cache()

esp_psram_init()

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