bitWrite()
Descripción
Escribe un bit en una variable numérica.
Sintaxis
bitWrite(x, n, b)
Parámetros
- x: la variable numérica en la que se escribe
- n: número de bit a escribir, comenzando en 0 del bit menos significatico(más a la derecha)
- b: el valor del bit a escribir (0 o 1)
Retornos
- Ninguno
Ejemplo
void setup() {
Serial.begin(9600);
byte x = 0b10000000; // the 0b prefix indicates a binary constant
Serial.print("BEFORE: ");
Serial.println(x, BIN); // 10000000
bitWrite(x, 0, 1); // write 1 to the least significant bit of x
Serial.print("AFTER: ");
Serial.println(x, BIN); // 10000001
}
void loop() {}
The result in Serial Monitor:
8
Serial.println("Hello World!");
Message (Enter to send message to 'Arduino Uno' on 'COM15')
New Line
9600 baud
BEFORE: 10000000
AFTER: 10000001
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