spi_memory.h

ADI Blackfin DSP 通过SPI接口读写Flash的程序．Flash芯片型号为:M25P80MW

/* spi_memory.h */

unsigned char PROM_READ (void);
void PROM_WRITE (unsigned char data);

void select_spi_memory (void);
void deselect_spi_memory (void);

int spi_open_memory ();
int spi_close_memory ();

unsigned char spi_read_byte (unsigned int address);
void spi_write_byte (unsigned int address, unsigned char data);

void spi_chip_erase();
void spi_sector_erase (unsigned int address);

void spi_wrsr (unsigned char data);
unsigned char spi_rdsr ();

void spi_read_block (unsigned int address, unsigned char *block, int count);
void spi_write_block (unsigned int address, unsigned char *block, int count);

void spi_deeppowerdown (void);
unsigned char spi_reset (void);