72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
#ifndef __FLASH_API_H__
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#define __FLASH_API_H__
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#include "ets_sys.h"
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#include "user_config.h"
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#include "cpu_esp8266.h"
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#define FLASH_MAP_START_ADDRESS (INTERNAL_FLASH_START_ADDRESS)
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/******************************************************************************
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* ROM Function definition
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* Note: It is unsafe to use ROM function, but it may efficient.
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* SPIEraseSector
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* unknown SPIEraseSector(uint16 sec);
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* The 1st parameter is flash sector number.
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* SPIRead (Unsafe)
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* unknown SPIRead(uint32_t src_addr, uint32_t *des_addr, uint32_t size);
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* The 1st parameter is source addresses.
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* The 2nd parameter is destination addresses.
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* The 3rd parameter is size.
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* Note: Sometimes it have no effect, may be need a delay or other option(lock or unlock, etc.) with known reason.
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* SPIWrite (Unsafe)
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* unknown SPIWrite(uint32_t des_addr, uint32_t *src_addr, uint32_t size);
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* The 1st parameter is destination addresses.
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* The 2nd parameter is source addresses.
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* The 3rd parameter is size.
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* Note: Sometimes it have no effect, may be need a delay or other option(lock or unlock, etc.) with known reason.
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*******************************************************************************/
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typedef struct
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{
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uint8_t unknown0;
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uint8_t unknown1;
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enum
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{
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MODE_QIO = 0,
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MODE_QOUT = 1,
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MODE_DIO = 2,
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MODE_DOUT = 15,
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} mode : 8;
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enum
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{
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SPEED_40MHZ = 0,
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SPEED_26MHZ = 1,
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SPEED_20MHZ = 2,
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SPEED_80MHZ = 15,
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} speed : 4;
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enum
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{
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SIZE_4MBIT = 0,
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SIZE_2MBIT = 1,
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SIZE_8MBIT = 2,
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SIZE_16MBIT = 3,
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SIZE_32MBIT = 4,
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} size : 4;
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} ICACHE_STORE_TYPEDEF_ATTR SPIFlashInfo;
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SPIFlashInfo flash_get_info(void);
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uint8_t flash_get_size(void);
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uint32_t flash_get_size_byte(void);
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bool flash_set_size(uint8_t);
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bool flash_set_size_byte(uint32_t);
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uint16_t flash_get_sec_num(void);
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uint8_t flash_get_mode(void);
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uint32_t flash_get_speed(void);
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bool flash_init_data_written(void);
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bool flash_init_data_default(void);
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bool flash_init_data_blank(void);
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bool flash_self_destruct(void);
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#endif // __FLASH_API_H__
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