nandflash.h

avr单片机访问nandflash的驱动

#define nand_addr  (*(volatile unsigned char *)0x8100)
#define nand_cmd  (*(volatile unsigned char *)0x8200)
#define nand_data (*(volatile unsigned char *)0x8000)

/*void nand_byte_write(unsigned long addr,unsigned char data);
unsigned char nand_byte_read(unsigned long addr);
void nand_bytes_write(unsigned long addr,unsigned char *pdata,unsigned char len);
void nand_bytes_read(unsigned long addr,unsigned char *pdata,unsigned char len);*/
void nand_block_erase(unsigned int addr);
void nand_chars_read(unsigned long addr,unsigned char *pdata,unsigned char len);
unsigned char nand_char_read(unsigned long addr);
void nand_chars_write(unsigned long addr,unsigned char *pdata,unsigned char len);
void nand_char_write(unsigned long addr,unsigned char data);