#include <string>
#include <iostream>
#include <boost/asio/serial_port.hpp>
#include <boost/asio.hpp>
#include "blocking_reader.h"

using namespace boost;

std::string read_response() {

	asio::io_service io;
	asio::serial_port port(io);

	port.open("COM3");
	port.set_option(asio::serial_port_base::baud_rate(115200));

	// A blocking reader for this port that
	// will time out a read after 500 milliseconds.
	blocking_reader reader(port, 500);

	char c;

	std::string rsp;

	// read from the serial port until we get a
	// \n or until a read times-out (500ms)
	while (reader.read_char(c) && c != '\n') {
		rsp += c;
	}

	if (c != '\n') {
		// it must have timed out.
		throw std::exception("Read timed out!");
	}

	return rsp;
}

int main()
{
    char character;
    std::cout << "Waiting for response..." << std::endl;
    character = read_response();
    std::cout << "Character is: " << character << std::endl;
    return 0;
}