FR_EXIST, /* (8) Access denied due to prohibited access */ FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */ FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */ FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */ FR_NOT_ENABLED,...
FR_INVALID_OBJECT 文件对象无效 可能是读取文件的路径错误 之前有碰到过 正常挂载后默认是0 ...
最初是用一个闪迪的内存卡测试,发现很容易出现FR_INVALID_OBJECT报错,折腾了很久都没有搞定,不能正常使用。后来换一个金士顿的内存卡测试,没有问题。另外还发现,接闪迪内存卡时,主频设置到100Mhz都可以读出数据(只能读一次,连续读还是不正常),金士顿的最高只能设置到50Mhz。具体原因还没有研究,推测应该是前者不能...
FATFS fs; // Work area (file system object) for logical drive FIL fsrc, fdst; // fil...
首先,我使用的是《10b》版本,我原先用的是11a的,但是读取长文件名时(f_readdir),一直发生《FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */》错误 后来改回10b版本才正常,当初我脑子真是进水了,我是真的参照正点原子和野火的版本,但不知道为什么,就是看走眼,看到11a版本。。。
"FR_DENIED:由于禁止访问或者目录已满访问被拒绝", /* (7) Access denied due to prohibited access or directory full */ "FR_EXIST:由于访问被禁止访问被拒绝", /* (8) Access denied due to prohibited access */ "FR_INVALID_OBJECT:文件或者目录对象无效", /* (9) The file/directory object is...
FR_INVALID_NAME,/* (6) The path name format is invalid */ FR_DENIED,/* (7) Access denied due to prohibited access or directory full */ FR_EXIST,/* (8) Access denied due to prohibited access */ FR_INVALID_OBJECT,/* (9) The file/directory object is invalid */ ...
"FR_DENIED:由于禁止访问或者目录已满访问被拒绝",/* (7) Access denied due to prohibited access or directory full */ "FR_EXIST:由于访问被禁止访问被拒绝", /* (8) Access denied due to prohibited access */ "FR_INVALID_OBJECT:文件或者目录对象无效", /* (9) The file/directory object is ...
9、_INVALID_OBJECT:文件或者目录对象无效", /* (9) The file/directory object is invalid */ "FR_WRITE_PROTECTED:物理驱动被写保护", /* (10) The physical drive is write protected */ "FR_INVALID_DRIVE:逻辑驱动号无效", /* (11) The logical drive number is invalid */ "FR_NOT_ENABLED:卷...
测试进入f_read（）函数，查看到fil->fs->fs_type值为0，所以返回FR_INVALID_OBJECT。但是fs_type为...