[SD]
描述
Check if there are any bytes available for reading from the file.
available()
inherits from the Stream utility class.
語法
file.available()
參數
file
: an instance of the File class (returned by SD.open())
回傳
the number of bytes available (int)
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函式庫參考主頁面
The text of the 86Duino reference is a modification of the Arduino reference and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.