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40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <stdint.h>
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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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