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			55 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			55 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | // Copyright 2020 Espressif Systems (Shanghai) PTE LTD
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|  | //
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|  | // Licensed under the Apache License, Version 2.0 (the "License");
 | ||
|  | // you may not use this file except in compliance with the License.
 | ||
|  | // 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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|  | // 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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|  | 
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|  | #include "esp_err.h"
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|  | 
 | ||
|  | #ifdef __cplusplus
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|  | extern "C" { | ||
|  | #endif
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|  | 
 | ||
|  | /* Note: Most of esp_flash APIs in ROM are compatible with headers in ESP-IDF, this function
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|  |    just adds ROM-specific parts | ||
|  | */ | ||
|  | 
 | ||
|  | struct spi_flash_chip_t; | ||
|  | typedef struct esp_flash_t esp_flash_t; | ||
|  | 
 | ||
|  | /* Structure to wrap "global" data used by esp_flash in ROM */ | ||
|  | typedef struct { | ||
|  |     /* Default SPI flash chip, ie main chip attached to the MCU
 | ||
|  |        This chip is used if the 'chip' argument passed to esp_flash_xxx API functions is ever NULL | ||
|  |     */ | ||
|  |     esp_flash_t *default_chip; | ||
|  | 
 | ||
|  |     /* Global API OS notification start/end/chip_check functions
 | ||
|  | 
 | ||
|  |        These are used by ROM if no other host functions are configured. | ||
|  |     */ | ||
|  |     struct { | ||
|  |         esp_err_t (*start)(esp_flash_t *chip); | ||
|  |         esp_err_t (*end)(esp_flash_t *chip, esp_err_t err); | ||
|  |         esp_err_t (*chip_check)(esp_flash_t **inout_chip); | ||
|  |     } api_funcs; | ||
|  | } esp_flash_rom_global_data_t; | ||
|  | 
 | ||
|  | /** Access a pointer to the global data used by the ROM spi_flash driver
 | ||
|  |  */ | ||
|  | esp_flash_rom_global_data_t *esp_flash_get_rom_global_data(void); | ||
|  | 
 | ||
|  | #ifdef __cplusplus
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|  | } | ||
|  | #endif
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