/* =============================================================================== 函数 列举disk中所有文件和目录 入口:无 出口:无 =============================================================================== */ u8 disk_enumeration(u8 *return_string,u8 mode,u8* ATTR) { u16 temp; do{ if( ! mode) { cd_folder("C:\\",0); if(folder_enumeration(return_string,0,ATTR) == FAIL) return(FAIL); mode = 1; } else if(folder_enumeration(return_string,1,ATTR) == FAIL) { do{ if(cd_folder("C",1) == 0x55) return(FAIL); CORE.DIR_ENUM_ClusterNum = CORE.ClusterNum; //存放当前Enumerated Directory Entry所在Directory的ClusterNum,SectorNum,offset CORE.DIR_ENUM_SectorNum =CORE.SectorNum ; CORE.DIR_ENUM_offset = CORE.offset; CORE.DIR_ENUM_ClusterOfDirectoryEntry = CORE.ClusterOfDirectoryEntry; //存放Directory Entry32字节中对应first Cluster Num CORE.DIR_ENUM_DirectoryType = CORE.CurrentDirectoryType; CORE.DIR_ENUM_FullPathType = CORE.FullPathType; CORE.DIR_ENUM_CurPathType = CORE.CurPathType; if(folder_enumeration(return_string,1,ATTR) == SUCC) break; }while(1); } if((*ATTR) & ATTR_DIRECTORY) { temp = LengthofString(return_string); if(return_string[temp - 1] == '.' || (return_string[temp - 1] == '.' && return_string[temp - 2] == '.') ) continue; #if filter_hidden_entry if ((*ATTR) & ATTR_HIDDEN) continue; #endif if(cd_folder(return_string,0) == FAIL) return(FAIL); CORE.DIR_ENUM_ClusterNum = CORE.ClusterNum; //存放当前Enumerated Directory Entry所在Directory的ClusterNum,SectorNum,offset CORE.DIR_ENUM_SectorNum =CORE.SectorNum ; CORE.DIR_ENUM_offset = CORE.offset; CORE.DIR_ENUM_ClusterOfDirectoryEntry = CORE.ClusterOfDirectoryEntry; //存放Directory Entry32字节中对应first Cluster Num CORE.DIR_ENUM_DirectoryType = CORE.DirectoryType; CORE.DIR_ENUM_FullPathType = CORE.FullPathType; CORE.DIR_ENUM_CurPathType = CORE.CurPathType; } return(SUCC); }while(1); }
int main(void) { u32 cc,bb; u16 COUNT; u8 a,ATTR,j; u8 HANDLE1; u8 buf[65535]; u8 ddd[] = "c:\\ok\\aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaAAAAAAAAAAAAAAAaaaaaaaaa.rar"; //初始化虚拟磁盘的驱动 flash_management_sysinit(); FAT_filesystem_autoformat(0,FAT16,483328); FAT_filesystem_initialiation(); //调用函数volume_inquiry,查询分区容量和剩余空间 volume_inquiry('c',&cc,&bb); //打印虚拟磁盘分区容量和剩余空间 printf("Volume Capacity: %ld\n",cc); printf("Volume FreeSpace: %ld\n",bb); scanf("%c",&a); /*建立目录CREATE_FOLDER_TEST,用于测试建立目录函数create_floder()*/ create_floder("CREATE_FOLDER_TEST"); create_floder("CREATE_FOLDER_TEST");//目录再建失败, 不可以建重复的目录 /*目录建立测试*/ create_floder("a"); create_floder("a\\b"); create_floder("a\\b\\c"); create_floder("a\\b\\c\\d"); /*建文件在目录CREATE_FOLDER_TEST下,用于测试建立文件函数create_file()*/ create_file("C:\\CREATE_FOLDER_TEST\\created_file.txt"); create_file("C:\\CREATE_FOLDER_TEST\\created_file.txt");//文件再建失败,不可以建重复的文件 /* 重命名文件CREATE_FOLDER_TEST\\created_file.txt为"created_file_new.txt",用于测试文件重命名函数rename_file() */ rename_file("C:\\CREATE_FOLDER_TEST\\created_file.txt","created_file_new.txt"); /* 读取目录CREATE_FOLDER_TEST下面的所有ENTRY,打印出来到屏幕*/ cd_folder("CREATE_FOLDER_TEST",0); a = 0; //枚举模式初始设定 while(folder_enumeration(buf,a,&ATTR) == SUCC) { //打印读取的Directory ENTRY及其attribute printf("\nreaded entry=%s Attr = %x",buf,ATTR); if(a == 0) a = 1;//枚举模式修改为枚举继续 } scanf("%c",&a); cd_folder(" ",1); //返回到根目录 /* 读取根目录的所有ENTRY,打印出来到屏幕 */ a = 0;//枚举模式初始设定 while(folder_enumeration(buf,a,&ATTR) == SUCC) { //打印读取的Directory ENTRY及其attribute printf("\nreaded entry=%s Attr = %x",buf,ATTR); if(a == 0) a = 1;//枚举模式修改为枚举继续 } scanf("%c",&a); /* 建立一个OK目录,之后向其写文件readed.rar,直到虚拟盘被写满 */ create_floder("OK"); j = 0; COUNT = 0; do{ for(a = 0;a<25;a++) { COUNT++; //调用create_file()往磁盘上建立文件 if(create_file(ddd) == SUCC) { printf("Create file %s successfully\n",ddd); HANDLE1 = open_file(ddd);//打开刚刚完成建立的文件 //打开readed.rar,作为写入源文件 if ((file2 = fopen("readed.rar","rb+")) == NULL) { return 0; } if(HANDLE1 != FAIL) { //将readed.rar拷入刚刚建立的文件 printf("\nOpen File %s successfully",ddd); do{ printf("x"); //从readed.rar里读数据 cc = fread(buf,1,40000,file2); //读数据后拷入刚刚建立的文件 write_file(HANDLE1,buf, cc); if(cc < 40000) break; }while(1); //拷贝整个文件到结束,之后关闭文件 close_file(HANDLE1); fclose(file2); } } else printf("Create file %s failed\n",ddd); ddd[6+j] ++; } j++; }while(j< 40); /*把虚拟磁盘上的所有的文件与目录分离到WINDOWS下*/ a = 0;//枚举模式初始设定 while(disk_enumeration(buf,a,&ATTR) == SUCC) { printf("\nreaded entry=%s Attr = %x",buf,ATTR); if(a == 0) a = 1; //枚举模式修改为枚举继续 if(ATTR & ATTR_DIRECTORY) { //mkdir(buf+3); continue; } else { //在windows当前目录下建立一个文件,文件名与当前枚举的文件名一致*/ if ((file2 = fopen(buf+3,"wb+")) == NULL) { return 0; } else HANDLE1 = open_file(buf); }//读数据后拷入刚刚建立的文件 if(HANDLE1 != FAIL) do{ //从当前的文件读取数据 cc = read_file(HANDLE1,buf+400,50000); printf("\nreaded chars = %ld ",cc); //读数据后拷入刚刚建立的文件 fwrite(buf+400,1,cc,file2); if(cc != 50000) { close_file(HANDLE1); break; } }while(1); else{ } fclose(file2); } scanf("%c",&a); }