Function arduboy_rust::prelude::serial::read

pub fn read() -> i16

Reads incoming serial data. Use only inside of available():

 use arduboy_rust::prelude::*;
 if serial::available() > 0 {
     // read the incoming byte:
     let incoming_byte: i16 = serial::read();

     // say what you got:
     serial::print("I received: ");
     serial::println(incoming_byte);
 }

Returns

The first byte of incoming serial data available (or -1 if no data is available). Data type: int.