[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
語法參考主頁面
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