Description: This is a u disk read and write routines UART code, create a file that contains, read files, delete files, write data to a file, the additional data manipulation code.
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SPI读写\追加数据\main.c
.......\读取文件\main.c
.......\删除文件\main.c
.......\创建文件\main.c
.......\写入数据到文件\main.c
.......\追加数据
.......\读取文件
.......\删除文件
.......\创建文件
.......\写入数据到文件
SPI读写