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30 lines
626 B
C
30 lines
626 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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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @brief Enable Quad I/O mode in bootloader (if configured)
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*
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* Queries attached SPI flash ID and sends correct SPI flash
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* commands to enable QIO or QOUT mode, then enables this mode.
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*/
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void bootloader_enable_qio_mode(void);
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/**
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* @brief Read flash ID by sending 0x9F command
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* @return flash raw ID
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* mfg_id = (ID >> 16) & 0xFF;
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flash_id = ID & 0xffff;
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*/
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uint32_t bootloader_read_flash_id(void);
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#ifdef __cplusplus
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}
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#endif
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