70 lines
2.8 KiB
C
70 lines
2.8 KiB
C
#ifndef __FLASHEX_H__
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#define __FLASHEX_H__
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#include <stdint.h>
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#include <stdbool.h>
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#define PAGE_SIZE 256
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#define SECTOR_SIZE 4096
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#define W25X_BUSY 0
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#define W25X_NotBUSY 1
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#define Dummy_Byte1 0xFF
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/*********************************************
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W25X operation instruction list, the MCU can perform the following operations
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on the W25X by sending the following commands to the W25X.
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*********************************************/
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#define W25X_WriteEnable 0x06 //Write Enable
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#define W25X_WriteEnableVSR 0x50 //Write Enable for Volatile Status Register
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#define W25X_WriteDisable 0x04 //Write Disable
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#define W25X_ReadStatusReg1 0x05 //Read Status Register1:S7~S0
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#define W25X_ReadStatusReg2 0x35 //Read Status Register2:S15~S8
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#define W25X_WriteStatusReg 0x01 //Write Status Register2:BYTE1:S7~S0 BYTE2：S15~S8
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#define W25X_PageProgram 0x02 //PageProgram:BYTE1:A23~A16 BYTE2:A15~A8 BYTE3:A7~A0 BYTE4:D7~D0
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#if 0
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#define W25X_PageErase 0x81 //Page Erase:256 BYTE1:A23~A16 BYTE2:A15~A8 BYTE3:A7~A0
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#endif
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#define W25X_SectorErase 0x20 //Sector Erase:4K BYTE1:A23~A16 BYTE2:A15~A8 BYTE3:A7~A0
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#define W25X_BlockErase32K 0x52 //Block Erase:32K BYTE1:A23~A16 BYTE2:A15~A8 BYTE3:A7~A0
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#define W25X_BlockErase64K 0xD8 //Block Erase:64K BYTE1:A23~A16 BYTE2:A15~A8 BYTE3:A7~A0
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#define W25X_ChipErase 0xC7
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#define W25X_EraseSuspend 0x75
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#define W25X_EraseResume 0x7A
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#define W25X_PowerDown 0xB9
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#define W25X_ContinuousReadMode 0xFF
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#define W25X_ReadData 0x03 //Read Data:BYTE1:A23~A16 BYTE2:A15~A8 BYTE3:A7~A0 BYTE4:D7~D0
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#define W25X_FastReadData 0x0B //Fast Read Data:BYTE1:A23~A16 BYTE2:A15~A8 BYTE3:A7~A0 BYTE4:dummy BYTE5:D7~D0
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#define W25X_FastReadDual 0x3B //Fast Read Dual:BYTE1:A23~A16 BYTE2:A15~A8 BYTE3:A7~A0 BYTE4:dummy BYTE5:D7~D0
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#define W25X_ReleasePowerDown 0xAB
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#define W25X_DeviceID 0xAB
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#define W25X_ManufactDeviceID 0x90
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#define W25X_JedecDeviceID 0x9F
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typedef struct
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{
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uint16_t id;
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uint32_t size;
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} FlashInfoT;
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int32_t spiFlashInit(void);
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bool spiFlashExist(void);
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void spiFlashRead(uint32_t u32ReadAddr, uint8_t *pu8Buffer, uint32_t u16NumByteToRead);
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void spiFlashWritePage(uint32_t u32WriteAddr, uint8_t *pu8Buffer, uint16_t u16NumByteToWrite);
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#if 0
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void spiFlashErasePage(uint32_t u32EraseAddr);
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#endif
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void spiFlashEraseSector(uint32_t u32EraseAddr);
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void spiFlashEraseBlock(uint32_t u32EraseAddr, uint8_t u8Mode);
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void spiFlashEraseChip(void);
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uint16_t spiFlashReadMdId(void);
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FlashInfoT *spiFlashInfoGet(void);
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#endif
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