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57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include "esp_err.h"
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#include "sdkconfig.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PSRAM_SIZE_2MB (2 * 1024 * 1024)
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#define PSRAM_SIZE_4MB (4 * 1024 * 1024)
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#define PSRAM_SIZE_8MB (8 * 1024 * 1024)
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#define PSRAM_SIZE_16MB (16 * 1024 * 1024)
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#define PSRAM_SIZE_32MB (32 * 1024 * 1024)
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#define PSRAM_SIZE_64MB (64 * 1024 * 1024)
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/**
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* @brief To get the physical psram size in bytes.
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*
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* @param[out] out_size_bytes physical psram size in bytes.
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*/
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esp_err_t esp_psram_impl_get_physical_size(uint32_t *out_size_bytes);
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/**
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* @brief To get the available physical psram size in bytes.
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*
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* @param[out] out_size_bytes availabe physical psram size in bytes.
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*/
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esp_err_t esp_psram_impl_get_available_size(uint32_t *out_size_bytes);
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/**
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* @brief Enable psram and configure it to a ready state
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*
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* @return
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* - ESP_OK: On success
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* - ESP_ERR_NOT_SUPPORTED: PSRAM ID / vendor ID check fail
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* - ESP_ERR_INVALID_STATE: On esp32, when VSPI peripheral is needed but cannot be claimed
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*/
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esp_err_t esp_psram_impl_enable(void);
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/**
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* @brief get psram CS IO
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*
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* @return psram CS IO
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*/
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uint8_t esp_psram_impl_get_cs_io(void);
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#ifdef __cplusplus
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}
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#endif
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