Fatfs f_mount返回值是13
WebApr 13, 2024 · f_mount() 함수는 파일 시스템 객체(FATFS)를 논리 드라이브에 mount 또는 unmount하는 역할을 한다. 논리 드라이브는 "0:/", "1:/", "2:/" 이렇게 나가는데 빈 문자열을 인자로 넣으면 함수안을 보면 알겠지만 자동으로 0번째 볼륨에 마운트하게 된다. WebApr 22, 2024 · It is in check_fs () we check if the SD card or flash or any memory has a FAT file system. We need a file system to mount a disk. You can use f_mkfs to format a system into FAT. ( LINK) I had the problem that 1 of my 4 SD Cards lying arround was working. On the others i got FR_NO_FILESYSTEM when mounting with f_mount.
Fatfs f_mount返回值是13
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WebFatFs module is a middleware which provides many functions to access the FAT volumes, such as f_open(), f_close(), f_read(), f_write(), etc (refer to ff.c). There is no platform dependence in this module, as long as the compiler is compliant with ANSI C.
Web25.3.3 FatFs 移植步骤. 上一章我们已经实现了 QSPI Flash 芯片驱动程序,并实现了读写测试,为移植FatFs方便,我们直接拷贝一份工程,我们在工程基础上添加FatFs组件,并修改main函数的用户程序即可。. 1) 先拷贝一份 QSPI Flash 芯片测试的工程文件(整个文件 … WebMar 13, 2024 · 2. 下载并添加FatFs的库文件到您的工程中。 3. 根据您的设备的文件系统,选择正确的驱动器号(例如SD卡可能被识别为FAT32文件系统,驱动器号为0)。 4. 使用f_mount函数将驱动器挂载到FatFs文件系统中。 5. 使用f_open函数打开1.txt文件。 6. 使用f_read函数读取文件内容 ...
WebSep 13, 2024 · 订阅专栏. 1. FatFs(通用FAT文件系统模块)下载与介绍. 2.FatFs移植——基于STM32 SD卡. 3. FatFs学习 (1)——枚举:返回值FRESULT. …. 注:本文基于R0.14版本,给出的源码、翻译以及分析不保证与其他版本适合。. 本文主要翻译官网给出的文档,链接: FatFs–FRESULT ,下载 ... WebJun 6, 2024 · \$\begingroup\$ I would recommend stepping in the code to find the actual function calls that the FatFS lib is making towards your implementation file. Either your parameters to the f_mount function call are not correct or the functions in your diskio.c file is not correctly implemented. \$\endgroup\$ –
WebFeb 24, 2024 · f_mount 失败你应该在用res= f_mount ()来找返回值的编号,在Fatfs的宏里找错误原因。 一般是底层Diskio.c有问题 qq_35556073 2016-11-11
WebCC3200 SD卡+FATFS 在f_mount时,返回值为13. 我在使用官方例程 sdhost_fatfs例程时,在初始化后,f_mount这个函数返回值为13(即返回值为 FR_NO_FILESYSTEM)导 … freshco weekly flyer north bay ontarioWebApr 11, 2024 · fatfs f_mount返回值是13 解决方法 int res = f_mount (& USERFatFS, USERPath, 1); //挂载文件系统. 当f_mount返回值是13 对应解释为. … fatboy teddyWeb第37章 基于SD卡的FatFs文件系统. 上一章我们已经全面介绍了SD卡的识别和简单的数据读写,也进行了简单的读写测试,不过像这样直接操作SD卡存储单元,在实际应用中是不现实的。. SD卡一般用来存放文件,所以都 … fat boy testWebMay 26, 2024 · 尝试将FATFS换成0.12C,每到 f_mount ()时卡死, 跟踪调试时,运行到 ff.c文件中 res = find_volume (&path, &fs, 0); /* Force mounted the volume */,停止不前 … freshco weekly flyer april 21 2022WebMar 13, 2024 · STM32使用fatfs在csv文件末尾追加写入一行新内容,请给出详细的代码及解释. 注意,这里使用了FA_OPEN_APPEND标志,表示以追加模式打开文件,如果文件不存在则创建文件。. 这里使用了sprintf函数将字符串格式化到缓冲区中,这里的内容是一个csv格式 … freshco weekly flyer vernon bcWebAug 13, 2014 · FATFS 初学之 f_mount. 1 FATFS *FatFs [_VOLUMES]; /* Pointer to the file system objects (logical drives) */. 描述:在使用任何其它文件函数之前,必须使用该函数为每个使用卷注册一个工作区。. 要注销一个工作区,只要指定 fs为 NULL即可,然后该工作区可以被丢弃。. 该函数只初始化 ... fat boy thaiWebJun 29, 2024 · Without doing that, the FatFS library has no clue on how to actually interface with the SD card. You could check out the FatFS documentation/manual as a general resource: here. Pay very close attention to the "Required Functions" section in this app note: here. An example project like yours but for STM32F4: here freshco weekly flyer williams lake