available()

Posted by On 02 / 05 / 2014 3 Comments

描述

检查档案是否还有可读取的资料。

available() 是从 Stream 继承而来。

语法


file.available()

参数

file：被 SD.open() 回传的 File 物件

回传

int：可读资料的位元组数量

See Also

－ read()
－ peek()
－ Stream.available()

函式库参考主页面

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.