一. FAT 表概述 位置: 紧跟在文件系统的“保留区”之后 : 有两个数据结构完全相同的FAT(FAT,File Allocation Tbale 文件分配表)组成. 作用: FAT表项,描述文件系统内的簇分配状态,说明文件系统内数据所分配的连续簇的顺序关系(即表明文件或目录的下一簇的序号). 常规规则: · 数量: 通常情况下一个FAT 文件系统会有两个FAT 表, 但有时候也会允许只有一个FAT 表, FAT 表的具体个数记录在引导扇区的 偏移 0x10 字节处. · 位置: 因为FAT区…

fatfs可配置项很多,相关的配置均在ffconfig.h文件中 /*---------------------------------------------------------------------------/ / Function Configurations 功能配置 /---------------------------------------------------------------------------*/ #define _FS_READONLY 0 //是否只…

Eclipse可以安装一个叫Fat Jar的插件,用这个插件打包非常方便,Fat Jar的功能非常强大首先要下载Fat Jar,下载地址:https://sourceforge.net/projects/fjep/files/ 下载后的文件是net.sf.fjep.fatjar_0.0.31.zip,解压下载好的ZIP包,将里面的Jar复制到Eclipse安装路径下的plugins文件夹中.如果Eclipse已经启动需要重启一下,没有启动直接打开Eclipse即可.打开Eclipse之后,右击要…

我们在Windows系统里格式化磁盘的时候,文件系统的选项里可以看到有“FAT”.“FAT32”.“NTFS”等选项,在对U盘或其他移动存储设备 格式化的时候还会出现“exFAT”选项,那么这四种磁盘格式是什么意思,有哪些优缺点呢?我们应该选择那个呢?下面为大家详细介绍. 在介绍这四种磁盘格式的区别之前我们先来了解一下什么是磁盘的文件系统.一块没有被格式化过的硬盘,可以比喻成一间没有摆放商品的超市大卖场,在摆放商品 之前,总要先按商品类别分好区域,并安装好货架吧.磁盘的分区.格式化操作就相当于超…

FJNU 1154 Fat Brother And His Love(胖哥与女神) Time Limit: 2000MS   Memory Limit: 257792K [Description] [题目描述] As we know, fat Brother and his goddess is in a same city. The city is consist of N locations and the N locations is connected by M roads. Fat B…

FJNU 1153 Fat Brother And XOR(胖哥与异或) Time Limit: 1000MS   Memory Limit: 257792K [Description] [题目描述] Fat brother had master ACM, recently he began to study the operation of XOR (the operation “^”). He thought of a very interesting question: select ar…

FJNU 1155 Fat Brother’s prediction(胖哥的预言) Time Limit: 1000MS   Memory Limit: 257792K [Description] [题目描述] Fat Brother is a famous prophet, One day he get a prediction that disaster will come after X days. He is too nervous that sudden die. Fortunatel…

FJNU 1152 Fat Brother And Integer(胖哥与整数) Time Limit: 1000MS   Memory Limit: 257792K [Description] [题目描述] Fat brother recently studied number theory, him came across a very big problem — minimum does not appear positive integer. Fat brother get n posi…

FJNU 1156 Fat Brother’s Gorehowl(胖哥的血吼) Time Limit: 1000MS   Memory Limit: 257792K [Description] [题目描述] Fat Brother is a Great warrior(战士) and he has a powerful weapons named “Gorehowl”. Firstly it can cause 7 damage points to the other side, but it…

FJNU 1151 Fat Brother And Geometry(胖哥与几何) Time Limit: 1000MS   Memory Limit: 257792K [Description] [题目描述] Fat brother enrolled in computer graphics, recently teacher arranged a job: given two straight lines and a circle, judge if the round is between…