Serial Peripheral Interface (SPI) Serial Single IO NOR Flash Memory Interfacing 1Gb
Fork of S25FL256S by
Diff: S25FL256S.h
- Revision:
- 6:b3c242976f7e
- Parent:
- 5:c2707c92ecb5
diff -r c2707c92ecb5 -r b3c242976f7e S25FL256S.h --- a/S25FL256S.h Mon May 21 07:50:39 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,144 +0,0 @@ -// S25FL256S.h - -#ifndef S25FL256S_H -#define S25FL256S_H - -#include "mbed.h" -#include <string> - -#define SPI_FREQ 5000000 //Change SPI Frequency Here -#define SPI_MODE 0 // SPI Mode can be 0 or 3 . see data sheet -#define SPI_NBIT 8 // Number of bits 8. - - - -#define DUMMY_ADDR 0x00 -#define WAIT_TIME 1 - -#define ADDR_BMASK3 0xff000000 -#define ADDR_BMASK2 0x00ff0000 -#define ADDR_BMASK1 0x0000ff00 -#define ADDR_BMASK0 0x000000ff - -#define ADDR_BSHIFT3 24 -#define ADDR_BSHIFT2 16 -#define ADDR_BSHIFT1 8 -#define ADDR_BSHIFT0 0 - -#define RDSR1 0x05 // 6th bit P_ERR Program Error-->1, NO error 0 - //5th bit E_ERR Program Error-->1, No ERROR 0 - //0th WIP --> 1 indicates Busy Writing, 0--> Free, Done - // read Bits 6,5,0 -#define READ_ID 0x90 // Read Electronic Manufacturer Signature -#define RDID 0x9F //Read ID (JEDEC Manufacturer ID and JEDEC CFI) -#define RES 0xAB // Read Electronic Signature - -//4 Byte Address4PP 12h) - -#define FOUR_FAST_READ 0x0C //Read Fast (4-byte Address) 0C -#define FOUR_READ 0x13 //Read (4-byte Address) -#define FOUR_DOR 0x3C //Read Dual Out (FOUR_-byte Address) 3C -#define FOUR_QOR 0x6C //Read Quad Out (FOUR_-byte Address) -#define FOUR_DIOR 0xBC // Dual I/O Read (FOUR_-byte Address) BC -#define FOUR_QIOR 0xEC //FOUR_QIOR Quad I/O Read (FOUR_-byte Address) EC -#define FOUR_DDRFR 0x0E //Read DDR Fast (FOUR_-byte Address) -#define FOUR_DDRDIOR 0xBE // DDR Dual I/O Read (FOUR_-byte Address) BE -#define FOUR_DDRQIOR 0xEE -#define FOUR_PP 0x12 // FOUR_PP Page Program (FOUR_-byte Address) 12 -#define FOUR_QPP 0x34 //Quad Page Program (FOUR_-byte Address) -#define FOUR_P4E 0x21 // Parameter 4-kB Erase (4-byte Address) 21 -#define FOUR_SE 0xDC // Erase 64/256 kB (4-byte Address) DC - -//3 Byte Address - -#define READ 0x03 //READ Read (3-byte Address) 03 -#define FAST_READ 0x0B //FAST_READ Read Fast (3-byte Address) 0B -#define DOR 0x3B //DOR Read Dual Out (3-byte Address) 3B -#define Q0R 0x6B //QOR Read Quad Out (3-byte Address) 6B -#define DIOR 0xBB //DIOR Dual I/O Read (3-byte Address) BB -#define QIOR 0xEB //QIOR Quad I/O Read (3-byte Address) EB -#define DDRFR 0x0D //DDRFR Read DDR Fast (3-byte Address) 0D -#define DDRDIOR 0xBD //DDRDIOR DDR Dual I/O Read (3-byte Address) BD -#define DDRQIOR 0xED //DDRQIOR DDR Quad I/O Read (3-byte Address) ED -#define PP 0x02 //PP Page Program (3-byte Address) 02 -#define Qpp 0x32 //QPP Quad Page Program (3-byte Address) 32 -#define P4E 0x20 //P4E Parameter 4-kB Erase (3-byte Address) 20 -#define SE 0xD8 //SE Erase 64 / 256 kB (3-byte Address) D8 -#define BE 0x60 // Erase Entire Chip. - -#define RDSR1 0x05 //RDSR1 Read Status Register-1 05 -#define RDSR2 0x07 //RDSR2 Read Status Register-2 07 -#define RDCR 0x35 //RDCR Read Configuration Register-1 35 -#define WRR 0x01 //Write Register (Status-1, Configuration-1) -#define WRDI 0x04 //Write Disable 04 -#define WREN 0x06 //WREN Write Enable 06 -#define CLSR 0x30 //CLSR Clear Status Register-1 - Erase/Prog. Fail Reset 30 -#define ECCRD 0x18 //ECCRD ECC Read (4-byte address) 18 -#define ABRD 0x14 //ABRD AutoBoot Register Read 14 -#define ABWR 0x15 //AutoBoot Register Write 15 -#define BRRD 0x16 //Bank Register Read 16 -#define BRWR 0x17 //Bank Register Write 17 -#define BRAC 0xB9 //BRAC Bank Register Access (Legacy Command formerly used for Deep Power Down) B9 -#define DLPRD 0x41 //DLPRD Data Learning Pattern Read 41 -#define PNVDLR 0x43 //PNVDLR Program NV Data Learning Register 43 -#define WVDLR 0x4A //Write Volatile Data Learning Register 4A -#define PGSP 0x85 //Program Suspend 85 -#define PGRS 0x8A //Program Resume 8A -#define ERSP 0x75 //Erase Suspend 75 -#define ERRS 0x7A //Erase Resume 7A -#define OTPP 0x42 //OTP Program 42 -#define OTPR 0x4B //OTP Read 4B - -//Advanced Sector Protection - -#define DYBRD 0xE0 //DYB Read E0 133 -#define DYBWR 0xE1 //DYB Write E1 133 -#define PPBRD 0xE2 //PPB Read E2 133 -#define PPBP 0xE3 //PPB Program E3 133 -#define PPBE 0xE4 //PPB Erase E4 133 -#define ASPRD 0x2B //ASP Read 2B 133 -#define ASPP 0x2F //ASP Program 2F 133 -#define PLBRD 0xA7 //PPB Lock Bit Read A7 133 -#define PLBWR 0xA6 //PPB Lock Bit Write A6 133 -#define PASSRD 0xE7 //Password Read E7 133 -#define PASSP 0xE8 //Password Program E8 133 -#define PASSU 0xE9 //Password Unlock E9 133 -#define DUMMY 0x00 // Dummy write to read -//Reset - -#define RESET 0xF0 //Software Reset F0 133 -#define MBR 0xFF //Mode Bit Reset FF 133 -#define DUMMYBYTE 0x00 //Dummy byte for Read Operation - -class S25FL256S: public SPI { -public: - S25FL256S(PinName mosi, PinName miso, PinName sclk, PinName cs); - - int readByte(int addr); // takes a 32-bit (4 bytes) address and returns the data (1 byte) at that location - void readStream(int addr, char* buf, int count); // takes a 32-bit address, reads count bytes, and stores results in buf - - void writeByte(int addr, int data); // takes a 32-bit (4 bytes) address and a byte of data to write at that location - void writeStream(int addr, char* buf, int count); // write count bytes of data from buf to memory, starting at addr - void writeString(int add, string str); - void sectorErase(int addr); - void chipErase(); //erase all data on chip - uint8_t readRegister(); - uint8_t checkIfBusy(); // Check if IC is bury writing or erasing - void writeRegister(uint8_t regValue); // Write status register or configuration register - void reset(void); // Reset Chip - void clearRegister(); // Clear Status Register - void Read_Identification(uint8_t *buf); - long raedLong(int address); // Read long int number - void writeLong(int addr, long value); // Write Long Integer Number -private: - void writeEnable(); // write enable - void writeDisable(); // write disable - void chipEnable(); // chip enable - void chipDisable(); - // chip disable - - // SPI _spi; - DigitalOut _cs; -}; - -#endif \ No newline at end of file