/* * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #pragma once #include <stddef.h> #include <stdbool.h> #include "esp_err.h" #ifdef __cplusplus extern "C" { #endif /** * @brief get psram CS IO * * This interface should be called after PSRAM is enabled, otherwise it will * return an invalid value -1/0xff. * * @return psram CS IO or -1/0xff if psram not enabled */ uint8_t esp_psram_io_get_cs_io(void); #ifdef __cplusplus } #endif