Serial.readBytes()

[Serial]

描述

Serial.readBytes() reads characters from the serial port into a buffer. The function terminates if the determined length has been read, or it times out (see Serial.setTimeout()).

Serial.readBytes() returns the number of characters placed in the buffer. A 0 means no valid data was found.

Serial.readBytes() inherits from the Stream utility class.

語法

Serial.readBytes(buffer, length)

參數

• buffer: the buffer to store the bytes in (char[] or byte[])
• length: the number of bytes to read (int)

回傳

byte

參考

• Stream
• Stream.readBytes()

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