Serial.parseFloat()
Descripción
Serial.parseFloat() devuelve el primer número de coma flotante válido del buffer serie. Los caracteres que no sean dígitos (o el signo menos) se omiten. Serial.parseFloat() termina con el primer carácter encontrado que no sea un número de coma flotante.
Serial.parseFloat() hereda de la clase Stream.
Sintaxis
Serial.parseFloat()
Parámetros
- Ninguno
Retornos
- Float.
Ejemplo
void setup() {
Serial.begin(9600);
}
void loop() {
if (Serial.available() > 0) {
float myFloat = Serial.parseFloat(SKIP_ALL, '\n');
// prints the received float number
Serial.print("I received: ");
Serial.println(myFloat);
}
}
- Compile and upload the above code to Arduino
- Open Serial Monitor and select Newline option
- Type -127.45 on Serial Monitor and click Send button:
COM6
Autoscroll
Clear output
9600 baud
Newline
- The result on Serial Monitor:
COM6
I received: -127.45
Autoscroll
Clear output
9600 baud
Newline
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