nodemcu-firmware/app/platform/flash_api.h

93 lines
2.9 KiB
C

#ifndef __FLASH_API_H__
#define __FLASH_API_H__
#include "ets_sys.h"
#include "user_config.h"
#include "cpu_esp8266.h"
#define FLASH_SIZE_2MBIT (2 * 1024 * 1024)
#define FLASH_SIZE_4MBIT (4 * 1024 * 1024)
#define FLASH_SIZE_8MBIT (8 * 1024 * 1024)
#define FLASH_SIZE_16MBIT (16 * 1024 * 1024)
#define FLASH_SIZE_32MBIT (32 * 1024 * 1024)
#define FLASH_SIZE_64MBIT (64 * 1024 * 1024)
#define FLASH_SIZE_128MBIT (128 * 1024 * 1024)
#define FLASH_SIZE_256KBYTE (FLASH_SIZE_2MBIT / 8)
#define FLASH_SIZE_512KBYTE (FLASH_SIZE_4MBIT / 8)
#define FLASH_SIZE_1MBYTE (FLASH_SIZE_8MBIT / 8)
#define FLASH_SIZE_2MBYTE (FLASH_SIZE_16MBIT / 8)
#define FLASH_SIZE_4MBYTE (FLASH_SIZE_32MBIT / 8)
#define FLASH_SIZE_8MBYTE (FLASH_SIZE_64MBIT / 8)
#define FLASH_SIZE_16MBYTE (FLASH_SIZE_128MBIT/ 8)
/******************************************************************************
* ROM Function definition
* Note: It is unsafe to use ROM function, but it may efficient.
* SPIEraseSector
* SpiFlashOpResult SPIEraseSector(uint16 sec);
* The 1st parameter is flash sector number.
* Note: Must disable cache read before using it.
* SPIRead
* SpiFlashOpResult SPIRead(uint32_t src_addr, uint32_t *des_addr, uint32_t size);
* The 1st parameter is source addresses.
* The 2nd parameter is destination addresses.
* The 3rd parameter is size.
* Note: Must disable cache read before using it.
* SPIWrite
* SpiFlashOpResult SPIWrite(uint32_t des_addr, uint32_t *src_addr, uint32_t size);
* The 1st parameter is destination addresses.
* The 2nd parameter is source addresses.
* The 3rd parameter is size.
* Note: Must disable cache read before using it.
*******************************************************************************/
typedef struct
{
uint8_t header_magic;
uint8_t segment_count;
enum
{
MODE_QIO = 0,
MODE_QOUT = 1,
MODE_DIO = 2,
MODE_DOUT = 15,
} mode : 8;
enum
{
SPEED_40MHZ = 0,
SPEED_26MHZ = 1,
SPEED_20MHZ = 2,
SPEED_80MHZ = 15,
} speed : 4;
enum
{
SIZE_4MBIT = 0,
SIZE_2MBIT = 1,
SIZE_8MBIT = 2,
SIZE_16MBIT = 3,
SIZE_32MBIT = 4,
SIZE_16MBIT_8M_8M = 5,
SIZE_32MBIT_8M_8M = 6,
SIZE_32MBIT_16M_16M = 7,
SIZE_64MBIT = 8,
SIZE_128MBIT = 9,
} size : 4;
uint32_t entry_point;
uint32_t memory_offset;
uint32_t segment_size;
} ICACHE_STORE_TYPEDEF_ATTR SPIFlashInfo;
SPIFlashInfo *flash_rom_getinfo(void);
uint8_t flash_rom_get_size_type(void);
uint32_t flash_rom_get_size_byte(void);
uint32_t flash_detect_size_byte(void);
uint16_t flash_rom_get_sec_num(void);
uint8_t flash_rom_get_mode(void);
uint32_t flash_rom_get_speed(void);
uint8_t byte_of_aligned_array(const uint8_t* aligned_array, uint32_t index);
uint16_t word_of_aligned_array(const uint16_t *aligned_array, uint32_t index);
#endif // __FLASH_API_H__