Simple echo over serial for PuTTY and micro:bit

microbitread.cpp

#include "MicroBit.h"

MicroBit uBit;

int main()
{
    uBit.init();
    while (true) {
        uBit.serial.send("What is your name?\r\n");
        ManagedString answer = uBit.serial.readUntil("\r");
        uBit.serial.send("Hello, ");
        uBit.serial.send(answer);
        uBit.serial.send("\r\n");
    }
    return 0;
}