main.cpp

#include <serial/serial.h>

#include <iostream>

/// 原生的serial串口通信示例程序

int main()
{
  // List all available serial ports
  std::vector<serial::PortInfo> ports = serial::list_ports();

  if (ports.empty())
  {
    std::cout << "No serial ports found.\n";
    return 0;
  }

  std::cout << "Available serial ports:\n";
  for (const auto &port : ports)
  {
    // Print port name, description, and hardware ID
    std::cout << "Port: " << port.port << " | Description: " << port.description
              << " | Hardware ID: " << port.hardware_id << "\n";
  }

  try
  {
    // Specify the port to open
    std::string port = "COM3";  // Windows example, Linux: "/dev/ttyUSB0"
    uint32_t baud = 115200;     // Baud rate

    // Open the serial port with a 1-second timeout
    serial::Serial ser(port, baud, serial::Timeout::simpleTimeout(1000));

    // Check if the port is successfully opened
    if (ser.isOpen())
    {
      std::cout << "Port opened: " << port << " @ " << baud << "bps\n";
    }
    else
    {
      std::cerr << "Failed to open port: " << port << "\n";
      return 1;
    }

    // Send a simple message
    std::string msg = "Hello Serial!\n";
    ser.write(msg);
    std::cout << "Sent: " << msg;

    // Read up to 100 bytes from the serial port
    std::string result = ser.read(100);
    std::cout << "Received: " << result << '\n';

    // Close the port
    ser.close();
  }
  catch (std::exception &e)
  {
    // Catch any exception and print the error message
    std::cerr << "Exception: " << e.what() << '\n';
    return 1;
  }

  return 0;
}