SDCard
Function Description
SD card read and write operations
open sdcard file mode
Open a specified file and perform read or write operations. In 'r' and 'r+' modes, the file must exist, otherwise, an error is reported. In 'a', 'w', and 'w+' modes, if the file does not exist, it will be created automatically.
file read all
Read all content in the file
file read bytes
Read a specified number of bytes
file read line
Read one line of content
file write
Write content to the file
file set seek
Set the offset position for reading
file get seek
Get the current offset position
sdcard listdir
List files in the specified directory
file mkdir
Set the offset position for reading
sdcard remove
Delete a specified file
sdcard rmdir
Delete a specified directory
sdcard rename
Rename a file
Usage Instructions
Create a folder named test, establish a file named TEST.text, write "helloM5Stack" into it, and read from M5Stack
