stm32驅動SST25VF程序

#include "stm32f10x_lib.h"#include "hw_conf.h"#include"SST25V.h"void delay(int d);u8 Tx_Buffer[] = {0x72,0x62,0x02,0x78,0x60,0x96,0x86,0x79,0x85,0x24,0x36,0x48,0x56,0x68,0x70,0x75,0x88,0x24};u8 Rx_Buffer[BufferSize];u8 DataByte=0;int main(void){#ifdef DEBUGdebug();#endifSetup_System();    //系統啟動SST25V_Init();    //Flash芯片初始化SST25V_ChipErase();   //擦除整個芯片空間DataByte = SST25V_ByteRead(0x000000);             //讀取0x000000地址空間的數據信息DataByte = SST25V_ByteRead(0x000010);             //讀取0x000000地址空間的數據信息DataByte = SST25V_ByteRead(0x000100);             //讀取0x000100地址空間的數據信息DataByte = SST25V_ByteRead(0x001000);             //讀取0x001000地址空間的數據信息DataByte = SST25V_ByteRead(0x010000);             //讀取0x010000地址空間的數據信息DataByte = SST25V_ByteRead(0x100000);             //讀取0x100000地址空間的數據信息DataByte = SST25V_ByteRead(0x600000);             //讀取0x000000地址空間的數據信息DataByte = SST25V_ByteRead(0xF00000);             //讀取0x600000地址空間的數據信息DataByte = SST25V_ByteRead(0xFFFFFF);             //讀取0xFFFFFF地址空間的數據信息SST25V_AAI_WriteBytes(0x72, 0xFFF000,0x001000);   //向以0xFFF000為起始地址的數據空間寫入0x001000個0x10--即向最后4KB空間寫入0x10DataByte = SST25V_ByteRead(0x000000);             //讀取0x000000地址空間的數據信息DataByte = SST25V_ByteRead(0x000001);             //讀取0x000001地址空間的數據信息DataByte = SST25V_ByteRead(0x000002);             //讀取0x000002地址空間的數據信息DataByte = SST25V_ByteRead(0xFFF000);             //讀取0xFFF000地址空間的數據信息DataByte = SST25V_ByteRead(0xFFF0EE);             //讀取0xFFF0EE地址空間的數據信息DataByte = SST25V_ByteRead(0xFFFEEE);             //讀取0xFFFEEE地址空間的數據信息DataByte = SST25V_ByteRead(0xFFFFFF);             //讀取0xFFFFFF地址空間的數據信息SST25V_SectorErase_4KByte(0xFFF000);              //擦除以0xFFF000為起始地址的4KB數據空間DataByte = SST25V_ByteRead(0x000000);             //讀取0x000000地址空間的數據信息DataByte = SST25V_ByteRead(0xFFF000);             //讀取0xFFF000地址空間的數據信息DataByte = SST25V_ByteRead(0x000001);             //讀取0x000001地址空間的數據信息DataByte = SST25V_ByteRead(0x000002);             //讀取0x000002地址空間的數據信息DataByte = SST25V_ByteRead(0xFFEEEE);             //讀取0xFFEEEE地址空間的數據信息DataByte = SST25V_ByteRead(0xFFFFFF);             //讀取0xFFFFFF地址空間的數據信息//SST25V_BufferWrite(Tx_Buffer,0xFFF000,16);      //將Tx_Buffer中的16個字節數據寫入以0xFFF000為起始地址的數據空間SST25V_AAI_BufferProgram(Tx_Buffer,0xFFF000,16);  //采用AAI模式，將Tx_Buffer中的16個字節數據寫入以0xFFF000為起始地址的數據空間SST25V_BufferRead(Rx_Buffer,0xFFF000,16);         //讀出0xFFF000為起始地址的16字節數據，存放于Rx_Buffer中DataByte = SST25V_ByteRead(0xFFEEEE);             //讀取0xFFEEEE地址空間的數據信息while (1){if(Rx_Buffer[0]==0x72){GPIO_WriteBit(GPIOC,GPIO_Pin_6,(BitAction)(1-GPIO_ReadOutputDataBit(GPIOC,GPIO_Pin_6)));delay(100);}if(Rx_Buffer[1]==0x62){GPIO_WriteBit(GPIOC,GPIO_Pin_7,(BitAction)(1-GPIO_ReadOutputDataBit(GPIOC,GPIO_Pin_7)));delay(100);}if(Rx_Buffer[2]==0x02){GPIO_WriteBit(GPIOC,GPIO_Pin_4,(BitAction)(1-GPIO_ReadOutputDataBit(GPIOC,GPIO_Pin_4)));delay(100);}if(Rx_Buffer[3]==0x78){GPIO_WriteBit(GPIOC,GPIO_Pin_5,(BitAction)(1-GPIO_ReadOutputDataBit(GPIOC,GPIO_Pin_5)));delay(100);}}}void delay(int d){int i = 0;for ( ;d;--d)for (i = 0;i<10000;i++);}SST25VF.c:#include "stm32f10x_lib.h"#include "SST25V.h"void SST25V_Init(void)   //Flash芯片初始化{SST25V_CS_HIGH();                   //片選CS#管腳置高--不選中芯片SST25V_WP_HIGH();                   //保護WP#管腳置高--BPL的狀態決定是否允許寫狀態寄存器SST25V_HOLD_HIGH();                 //保持HOLD#管腳置高SST25V_WriteStatusRegister(0x02);   //給狀態寄存器寫入數據02SST25V_DBSY();                      //禁止AAI模式時，SO腳輸出忙狀態}u8 SST25V_ByteRead(u32 ReadAddr)     //從ReadAddr地址讀取一個字節數據{u8 Temp = 0;SST25V_CS_LOW();                                  //片選端置低--選中芯片SPI_Flash_SendByte(Read_Data);                    //發送讀取數據命令SPI_Flash_SendByte((ReadAddr & 0xFF0000) >> 16);  //發送24位的讀取數據地址SPI_Flash_SendByte((ReadAddr& 0xFF00) >> 8);SPI_Flash_SendByte(ReadAddr & 0xFF);Temp = SPI_Flash_ReceiveByte();                   //接收讀取到的數據SST25V_CS_HIGH();                                 //片選CS#管腳置高--不選中芯片return Temp;                                      //返回讀取到的數據}void SST25V_BufferRead(u8* pBuffer, u32 ReadAddr, u16 NumByteToRead)//從ReadAddr地址開始讀取NumByteToRead個字節數據{SST25V_CS_LOW();                                  //片選端置低--選中芯片SPI_Flash_SendByte(Read_Data);                    //發送讀取數據命令SPI_Flash_SendByte((ReadAddr & 0xFF0000) >> 16);  //發送24位的讀取數據起始地址SPI_Flash_SendByte((ReadAddr& 0xFF00) >> 8);SPI_Flash_SendByte(ReadAddr & 0xFF);while(NumByteToRead--)                  //判斷是否完成讀取NumByteToRead個字節數據{*pBuffer = SPI_Flash_ReceiveByte();   //接受讀取到的數據，并存儲于pBuffer中pBuffer++;                            //pBuffer指針自增1}SST25V_CS_HIGH();                       //片選CS#管腳置高--不選中芯片}u8 SST25V_HighSpeedByteRead(u32 ReadAddr)  //從ReadAddr高速讀取一個字節數據{u32 Temp = 0;SST25V_CS_LOW();                                   //片選端置低--選中芯片SPI_Flash_SendByte(HighSpeedReadData);             //發送快速讀取數據命令SPI_Flash_SendByte((ReadAddr & 0xFF0000) >> 16);   //發送24位的讀取數據地址SPI_Flash_SendByte((ReadAddr& 0xFF00) >> 8);SPI_Flash_SendByte(ReadAddr & 0xFF);SPI_Flash_SendByte(Dummy_Byte);                    //發送虛擬字節數據Temp = SPI_Flash_ReceiveByte();                    //接收讀取到的數據SST25V_CS_HIGH();                                  //片選CS#管腳置高--不選中芯片return Temp;                                       //返回讀取到的數據}void SST25V_HighSpeedBufferRead(u8* pBuffer, u32 ReadAddr, u16 NumByteToRead)//從ReadAddr開始高速讀取NumByteToRead個字節數據，并存儲于pBuffer中{SST25V_CS_LOW();                                   //片選端置低--選中芯片SPI_Flash_SendByte(HighSpeedReadData);             //發送快速讀取數據命令SPI_Flash_SendByte((ReadAddr & 0xFF0000) >> 16);   //發送24位的讀取數據起始地址SPI_Flash_SendByte((ReadAddr& 0xFF00) >> 8);SPI_Flash_SendByte(ReadAddr & 0xFF);SPI_Flash_SendByte(Dummy_Byte);                    //發送虛擬字節數據while(NumByteToRead--)                             //判斷是否完成讀取NumByteToRead個字節數據{*pBuffer = SPI_Flash_ReceiveByte();              //接受讀取到的數據，并存儲于pBuffer中pBuffer++;                                       //pBuffer指針自增1}SST25V_CS_HIGH();                                  //片選CS#管腳置高--不選中芯片}u8 SPI_Flash_SendByte(u8 byte)   //SPI發送數據{while(SPI_GetFlagStatus(SPI1, SPI_FLAG_TXE) == RESET);     //等待SPI1的Tx buffer為空SPI_SendData(SPI1, byte);                                  //發送數據字節bytewhile(SPI_GetFlagStatus(SPI1, SPI_FLAG_RXNE) == RESET);    //等待SPI1完成數據接收return SPI_ReceiveData(SPI1);                              //返回讀取到的數據}u8 SPI_Flash_ReceiveByte(void)    //SPI接收數據{return (SPI_Flash_SendByte(Dummy_Byte));    //發送虛擬字節，提供接收數據時鐘}void SST25V_ByteWrite(u8 Byte, u32 WriteAddr)   //寫入一個數據字節{SST25V_WriteEnable();                                //允許寫入操作SST25V_CS_LOW();                                     //片選端置低--選中芯片SPI_Flash_SendByte(Byte_Program);                    //發送寫數據命令SPI_Flash_SendByte((WriteAddr & 0xFF0000) >> 16);    //發送24位的寫入數據地址SPI_Flash_SendByte((WriteAddr & 0xFF00) >> 8);SPI_Flash_SendByte(WriteAddr & 0xFF);SPI_Flash_SendByte(Byte);                            //發送要寫入的數據SST25V_CS_HIGH();                                    //片選CS#管腳置高--不選中芯片SST25V_WaitForWriteEnd();                            //等待寫操作完成}void SST25V_BufferWrite(u8 *pBuffer,u32 Addr,u16 BufferLength)//將pBuffer中的BufferLength個字節數據寫入到以Addr為起始地址的區域{while(BufferLength--)                   //判斷是否完成寫入NumByteToRead個字節數據{SST25V_ByteWrite(*pBuffer,Addr);     //把當前pBuffer對應的數據，寫入當前Addr中pBuffer++;                           //數據指針自增1Addr++;                              //寫入地址自增1}}
				
            

				
					
					
				
			
                
			
							

                
			            

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