第一次作业

[xiang-fy]

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[xiang-fy]

#include <boost/asio/io_context.hpp>
#include <boost/asio/serial_port.hpp>
#include
#include
#include

int main(int argc, char* argv[])
{
std::string port_name = "/dev/ttyUSB1";

boost::asio::io_context io_context;
boost::asio::serial_port serial_port(io_context, port_name);

serial_port.set_option(boost::asio::serial_port::baud_rate(115200));
serial_port.set_option(boost::asio::serial_port::character_size(8));
serial_port.set_option(boost::asio::serial_port::stop_bits(
    boost::asio::serial_port::stop_bits::one));
serial_port.set_option(boost::asio::serial_port::parity(
    boost::asio::serial_port::parity::none));
serial_port.set_option(boost::asio::serial_port::flow_control(
    boost::asio::serial_port::flow_control::none));

if (!serial_port.is_open()) return 1;

std::array<char, 11> cnt ={"2023212113"};

boost::system::error_code ec;
while (1)
{
    serial_port.write_some(boost::asio::buffer(cnt), ec);
    if (ec)
    {
        std::cerr << "Error when writing to " << port_name << std::endl;
    }
    else
    {
        std::cout << "Writing " << (int)cnt[0] << " to " << port_name
                  << std::endl;
    }
    cnt[0]++;
    using namespace std::chrono_literals;
    std::this_thread::sleep_for(1s);
}

}