en:arduino:libraries:fileavailable
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| + | [[en:arduino:libraries:sd|SD]] : File class | ||
| + | ====== available() ====== | ||
| + | |||
| + | Check if there are any bytes available for reading from the file. | ||
| + | |||
| + | available() inherits from the Stream utility class. | ||
| + | ===== Syntax ===== | ||
| + | |||
| + | file.available() | ||
| + | ===== Parameters ===== | ||
| + | |||
| + | file: an instance of the File class (returned by SD.open()) | ||
| + | ===== Returns ===== | ||
| + | |||
| + | the number of bytes available (int) | ||
| + | ===== See Also ===== | ||
| + | |||
| + | * read() | ||
| + | * peek() | ||
| + | * Stream.available() | ||
| + | |||
| + | |||
| + | Reference Home | ||
en/arduino/libraries/fileavailable.txt · 最后更改: 2016/12/25 22:15 (外部编辑)
