河北水利局项目

shuangjia/SPI_Flash.h

@@ -0,0 +1,61 @@
+#ifndef _SPI_FLASH_H_
+#define _SPI_FLASH_H_  1
+#include "Flash.h"
+
+//===========ATMEL 081D flash==================
+#define FLASH_CHREAD 0x0B
+#define FLASH_CLREAD 0x03
+#define FLASH_PREAD	0xD2
+
+#define FLASH_BUFWRITE1 0x84
+#define FLASH_IDREAD 0x9F
+//#define FLASH_STATUS 0xD7
+#define PAGE_ERASE 0x81
+//#define PAGE_READ 0xD2	//011D 264
+#define PAGE_READ 0x52	//161D 528
+#define MM_PAGE_TO_B1_XFER 0x53				// 将主存储器的指定页数据加载到第一缓冲区
+#define BUFFER_2_WRITE 0x87					// 写入第二缓冲区
+#define B2_TO_MM_PAGE_PROG_WITH_ERASE 0x86	// 将第二缓冲区的数据写入主存储器（擦除模式）
+
+#define Dummy_Byte 0xA5
+
+//===========MXIC 8006E flash==================
+#define FLASH_STATUS 	0x05
+//#define PAGE_READ 			
+
+/* Select SPI FLASH: ChipSelect pin low  */
+#define Select_Flash()     GPIO_ResetBits(GPIOB, GPIO_Pin_12)
+/* Deselect SPI FLASH: ChipSelect pin high */
+#define NotSelect_Flash()    GPIO_SetBits(GPIOB, GPIO_Pin_12)
+
+#define sFLASH_PAGE_MASK              0xFFF00
+#define sFLASH_PAGE_SIZE              0x100
+
+#define  DOWN_ONE_FRAME_LENGTH 200  //2013-03-19
+
+void Delay_100us_1(void);
+void SPI_Flash_Init(void);	//SPI初始化
+u8 SPI_Flash_ReadByte(void);		//flash操作基本函数，读一个字节
+u8 SPI_Flash_SendByte(u8 byte);
+//void SPI_Flash_SendByte(unsigned char Update_Data);		//	FLASH操作基本函数，发送一个字节
+//void FlashPageEarse(u16 page);	//擦除指定的页,页范围0-4095
+
+void FlashPageRead(unsigned int  wPage,unsigned char *Update_Ptr);		//读取整页，页范围0-4095
+void FlashPageWrite(u16 wPage,u8 *Data);		//写一整页，页范围0-4095
+void flash_page_read(unsigned short wPage, unsigned char* pData);
+void FlashWaidBusy(void);
+void flash_write_enable(void);
+void FlashWaitBusy(void);			//Flash忙检测
+void FlashReadID(u8 *ProdustID);		//读取flashID四个字节
+void D_spiWriteFlash(unsigned int iadr, unsigned short nbyte, unsigned char* psrc_data);
+void D_spiReadFlashPage(unsigned int iadr,unsigned short ilen,unsigned char *pdin_data);
+void D_spiFlashRead(u32 iaddr,u16 length, u8 *pdin_data);
+void D_spiFlashWrite(u32 iadr, u16 length, u8 *psrc_data);
+void UClearWatchdog(void);//@ "FLASHCODE"
+void Flash_Page_Read(unsigned int  wPage,unsigned char *Update_Ptr);
+void flash_sector_erase(unsigned int uiAddr);
+void flash_sector_write(unsigned int uiAddr, unsigned short wLen);
+void flash_fast_read( unsigned int iAddr, unsigned short wLen );
+#endif
+
+