String.getBytes()

Descrição

Copia os caracteres da String para o buffer fornecido.

Sintaxe

minhaString.getBytes(buf, len)

Parâmetros

  • minhaString: uma variável do tipo String
  • buf: o buffer no qual os caracteres devem ser copiados (byte [])
  • len: o tamanho do buffer (unsigned int)

Retorna

Nada

Código de Exemplo

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() { }

The result on Serial Monitor:

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

※ Notas e Advertências:

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

Ver Também

Exemplo : Tutoriais String (Em Inglês)

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