spiflash._h

单片机中的中断处理模块

//输出
#define SBI(x, y) (x) |= (1 << (y))
#define CBI(x, y) (x) &= ~(1 << (y))
//输入
#define BIS(x, y) ((x) & (1<<(y)))>>(y)

#define CE  0
#define SCK 1
#define SI  2
#define SO  3


 /* Function Prototypes */
#define     DDR_SPI        DDRB
#define     DD_SS          DDB0//DDB4//
#define     DD_MOSI        DDB2//DDB5//
#define     DD_MISO        DDB3//DDB6//
#define     DD_SCK         DDB1//DDB7//

#define     MASTER         1
#define     SLAVE          0

extern unsigned char  upper_128[128];		/* global array to store read data */
										/* to upper RAM area from 80H - FFH */
										
void spi_init(UNS8 controlregister); //UNS8 controlregister
void spi_write_byte(UNS8 data);
UNS8 spi_read_byte(void);
UNS8 SpiReadDataReg(void);
void Read_Menu( unsigned long Dst);

extern void init(void);
extern void Poll_SO(void);
extern void CE_High(void);
extern void CE_Low(void);
extern void Hold_Low(void);
extern void Unhold(void);
extern void WP_Low(void);
extern void UnWP(void);
extern unsigned char Read_Status_Register(void);
extern void EWSR(void);
extern void WRSR(unsigned char byte);
extern void WREN(void);
extern void WRDI(void);
extern void EBSY(void);
extern void DBSY(void);
extern unsigned char Read_ID(unsigned char ID_addr);
extern unsigned long Jedec_ID_Read(void); 
extern unsigned char Read(unsigned long Dst);
extern void Read_Cont(unsigned long Dst, unsigned long no_bytes);
extern unsigned char HighSpeed_Read(unsigned long Dst); 
extern void HighSpeed_Read_Cont(unsigned long Dst, unsigned long no_bytes);
extern void Byte_Program(unsigned long Dst, unsigned char byte);
extern void Auto_Add_IncA(unsigned long Dst, unsigned char byte);
extern void Auto_Add_IncB(unsigned char byte);
extern void Auto_Add_IncA_EBSY(unsigned long Dst, unsigned char byte1, unsigned char byte2);
extern void Auto_Add_IncB_EBSY(unsigned char byte1, unsigned char byte2);
extern void Chip_Erase(void);
extern void Sector_Erase(unsigned long Dst);
extern void Block_Erase_32K(unsigned long Dst);
extern void Block_Erase_64K(unsigned long Dst);
extern void Wait_Busy(void);
extern void Wait_Busy_AAI(void);
extern void WREN_Check(void);
extern void WREN_AAI_Check(void);
extern void Verify(unsigned char byte, unsigned char cor_byte);