/*********************************************************************
網(wǎng)上收集：  免費(fèi)共享：慧凈電子

目    的:   建立xxxx操作庫
	
目標(biāo)系統(tǒng):   基于任何兼容AVR的微處理器

應(yīng)用軟件:   ICC

版    本:   Version 2.0

收集時(shí)間:   2008-08-08

開發(fā)人員:   慧凈網(wǎng)上收集整理（感謝能放在網(wǎng)上共享的朋友們，功德無量，有你們，中國會(huì)更強(qiáng)大）

說    明:  版權(quán)：慧凈助學(xué)產(chǎn)品（包括程序源碼，硬件資源）沒有版權(quán)，歡迎復(fù)制共享，功德無量，為中國自動(dòng)化與單片事業(yè)作一點(diǎn)功勞。部分源碼技術(shù)資料、軟件、來源網(wǎng)絡(luò)，如有傷害到你的利益請來郵：hjmcu@163.com 我們的助學(xué)會(huì)員會(huì)定期刪除，謝謝你的理解與支持。

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*********************************************************************/

#ifndef __DATAFLASH_INCLUDED
#define __DATAFLASH_INCLUDED
#endif

#define FALSE  0
#define TRUE !FALSE

//General macro definitions

#define SetBit(x,y)		(x |= (y))
#define ClrBit(x,y)		(x &=~(y))
#define ChkBit(x,y)		(x  & (y))


//Dataflash opcodes
#define FlashPageRead				0x52	// Main memory page read
#define FlashToBuf1Transfer 		0x53	// Main memory page to buffer 1 transfer
#define Buf1Read					0x54	// Buffer 1 read
#define FlashToBuf2Transfer 		0x55	// Main memory page to buffer 2 transfer
#define Buf2Read					0x56	// Buffer 2 read
#define StatusReg					0x57	// Status register
#define AutoPageReWrBuf1			0x58	// Auto page rewrite through buffer 1
#define AutoPageReWrBuf2			0x59	// Auto page rewrite through buffer 2
#define FlashToBuf1Compare    		0x60	// Main memory page to buffer 1 compare
#define FlashToBuf2Compare	    	0x61	// Main memory page to buffer 2 compare
#define ContArrayRead				0x68	// Continuous Array Read (Note : Only A/B-parts supported)
#define FlashProgBuf1				0x82	// Main memory page program through buffer 1
#define Buf1ToFlashWE   			0x83	// Buffer 1 to main memory page program with built-in erase
#define Buf1Write					0x84	// Buffer 1 write
#define FlashProgBuf2				0x85	// Main memory page program through buffer 2
#define Buf2ToFlashWE   			0x86	// Buffer 2 to main memory page program with built-in erase
#define Buf2Write					0x87	// Buffer 2 write
#define Buf1ToFlash     			0x88	// Buffer 1 to main memory page program without built-in erase
#define Buf2ToFlash		         	0x89	// Buffer 2 to main memory page program without built-in erase

//Dataflash macro definitions
#define DF_CS_active	cbi(PORTD,6)
#define DF_CS_inactive	sbi(PORTD,6)


//Function definitions
void DF_SPI_init (void);
unsigned char DF_SPI_RW (unsigned char output);
unsigned char Read_DF_status (void);
void Page_To_Buffer (unsigned int PageAdr, unsigned char BufferNo);
unsigned char Buffer_Read_Byte (unsigned char BufferNo, unsigned int IntPageAdr);
void Buffer_Read_Str (unsigned char BufferNo, unsigned int IntPageAdr, unsigned int No_of_bytes, unsigned char *BufferPtr);
void Buffer_Write_Enable (unsigned char BufferNo, unsigned int IntPageAdr);
void Buffer_Write_Byte (unsigned char BufferNo, unsigned int IntPageAdr, unsigned char Data);
void Buffer_Write_Str (unsigned char BufferNo, unsigned int IntPageAdr, unsigned int No_of_bytes, unsigned char *BufferPtr);
void Buffer_To_Page (unsigned char BufferNo, unsigned int PageAdr);
void Cont_Flash_Read_Enable (unsigned int PageAdr, unsigned int IntPageAdr);