#ifndef __NORFLASH_H
#define __NORFLASH_H

#ifdef __cplusplus
extern "C"{
#endif // __cplusplus
	
#include "sys.h"

//W25X系列/Q系列芯片列表	   
//W25Q80  ID  0XEF13
//W25Q16  ID  0XEF14
//W25Q32  ID  0XEF15
//W25Q64  ID  0XEF16	
//W25Q128 ID  0XEF17	
//W25Q256 ID  0XEF18
#define W25Q80 	0XEF13 	
#define W25Q16 	0XEF14
#define W25Q32 	0XEF15
#define W25Q64 	0XEF16
#define W25Q128	0XEF17
#define W25Q256 0XEF18

#define EX_FLASH_START_ADDR	0x90000000
#define EX_FLASH_APPINFO_ADDR	0x90000100
#define EX_FLASH_APP_ADDR		0x90000200

#define EX_FLASH_SIZE				0x00800000
#define EX_FLASH_END_ADDR		(EX_FLASH_START_ADDR+EX_FLASH_SIZE)
#define EX_FLASH_CRC_ADDR   EX_FLASH_START_ADDR
#define W26Q64_CRC_ADDR     0
extern u16 NORFLASH_TYPE;					//定义W25QXX芯片型号		   
 
////////////////////////////////////////////////////////////////////////////////// 
//指令表
#define W25X_WriteEnable		0x06 
#define W25X_WriteDisable		0x04 
#define W25X_ReadStatusReg1		0x05 
#define W25X_ReadStatusReg2		0x35 
#define W25X_ReadStatusReg3		0x15 
#define W25X_WriteStatusReg1    0x01 
#define W25X_WriteStatusReg2    0x31 
#define W25X_WriteStatusReg3    0x11 
#define W25X_ReadData			0x03 
#define W25X_FastReadData		0x0B 
#define W25X_FastReadDual		0x3B 
#define W25X_PageProgram		0x02 
#define W25X_BlockErase			0xD8 
#define W25X_SectorErase		0x20 
#define W25X_ChipErase			0xC7 
#define W25X_PowerDown			0xB9 
#define W25X_ReleasePowerDown	0xAB 
#define W25X_DeviceID			0xAB 
#define W25X_ManufactDeviceID	0x90 
#define W25X_JedecDeviceID		0x9F 
#define W25X_Enable4ByteAddr    0xB7
#define W25X_Exit4ByteAddr      0xE9
#define W25X_SetReadParam		0xC0 
#define W25X_EnterQPIMode       0x38
#define W25X_ExitQPIMode        0xFF

void NORFLASH_Init(void);				//初始化W25QXX
void NORFLASH_Qspi_Enable(void);		//使能QSPI模式
void NORFLASH_Qspi_Disable(void);		//关闭QSPI模式
u16  NORFLASH_ReadID(void);				//读取FLASH ID
u8 NORFLASH_ReadSR(u8 regno);			//读取状态寄存器 
void NORFLASH_Write_SR(u8 regno,u8 sr);	//写状态寄存器
void NORFLASH_Write_Enable(void);  		//写使能 
void NORFLASH_Write_Disable(void);		//写保护
void NORFLASH_Write_NoCheck(u8* pBuffer,u32 WriteAddr,u16 NumByteToWrite);	//写flash,不校验
void NORFLASH_Read(u8* pBuffer,u32 ReadAddr,u16 NumByteToRead);   			//读取flash
void NORFLASH_Write(u8* pBuffer,u32 WriteAddr,u16 NumByteToWrite);			//写入flash
void NORFLASH_Erase_Chip(void);    	  		//整片擦除
void NORFLASH_Erase_Sector(u32 Dst_Addr);	//扇区擦除
void NORFLASH_Wait_Busy(void);           	//等待空闲


//void DataReader_WaitForReceiveDone(void);
//void DataReader_ReadData(uint32_t address24, uint8_t* buffer, uint32_t length);
//void DataReader_StartDMAReadData(uint32_t address24, uint8_t* buffer, uint32_t length);

//void DataReader_StartDMAReadData(uint32_t address24, uint8_t* buffer, uint32_t length);

void NORFLASH_MemroyMapMode(void);
void NORFLASH_QuitMemroyMapMode(void);
void norflash_test(void);
uint8_t NORFLASH_Check_Busy(void);
void NORFLASH_Erase_Block(u32 blockid);

#ifdef __cplusplus
}
#endif // __cplusplus

#endif