String.getBytes()

설명

스트링의 문자를 제공된 버퍼에 복사.

문법

myString.getBytes(buf, len)

매개변수

  • myString: 스트링 형 변수
  • buf: 문자를 복사해 넣을 버퍼(byte [])
  • len: 버퍼의 크기 (unsigned int)

반환값

  • 없음

예제 코드

void setup() { Serial.begin(9600); String myString = "Arduino"; byte buffer[myString.length() + 1]; myString.getBytes(buffer, myString.length() + 1); for (int i = 0; i < myString.length() + 1; i++) Serial.println(buffer[i], HEX); } void loop() { }

시리얼 모니터에 결과:

COM6
Send
41 72 64 75 69 6E 6F 0
Autoscroll Show timestamp
Clear output
9600 baud  
Newline  

※ 주의 및 경고:

If the string is modified, it is highly recommended using String.reserve() to prevent the memory fragmentation issue

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