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30 lines
515 B
C
30 lines
515 B
C
/*
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* SPDX-FileCopyrightText: 2015-2021 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 <stddef.h>
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#include <stdbool.h>
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#include "esp_err.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief get psram CS IO
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*
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* This interface should be called after PSRAM is enabled, otherwise it will
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* return an invalid value -1/0xff.
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*
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* @return psram CS IO or -1/0xff if psram not enabled
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*/
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uint8_t esp_psram_io_get_cs_io(void);
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#ifdef __cplusplus
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}
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#endif
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