testSerialRead.cpp

/*
 * ViSP, open source Visual Servoing Platform software.
 * Copyright (C) 2005 - 2024 by Inria. All rights reserved.
 *
 * This software is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact Inria about acquiring a ViSP Professional
 * Edition License.
 *
 * See https://visp.inria.fr for more information.
 *
 * This software was developed at:
 * Inria Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 *
 * If you have questions regarding the use of this file, please contact
 * Inria at visp@inria.fr
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Description:
 * Test serial port communication.
 */
 
#include <iostream>
#include <stdlib.h>
#include <visp3/core/vpTime.h>
 
#include <visp3/core/vpSerial.h>
 
int main(int argc, char **argv)
{
#ifdef ENABLE_VISP_NAMESPACE
  using namespace VISP_NAMESPACE_NAME;
#endif
#if !defined(_WIN32)
  std::string port;
 
  unsigned long baud = 9600;
  for (int i = 1; i < argc; i++) {
    if (std::string(argv[i]) == "--port" && i + 1 < argc) {
      port = std::string(argv[++i]);
    }
    else if (std::string(argv[i]) == "--baud" && i + 1 < argc) {
      baud = (unsigned long)atol(argv[++i]);
    }
    else if (std::string(argv[i]) == "--help" || std::string(argv[i]) == "-h") {
      std::cout << "\nUsage: " << argv[0]
        << " [--port <serial name>]"
        << " [--baud <baud rate>]"
        << " [--help,-h]\n" << std::endl;
      return EXIT_SUCCESS;
    }
  }
 
  if (port.empty()) {
    std::cout << "\nSerial port not specified." << std::endl;
    std::cout << "\nUsage: " << argv[0] << " [--port <serial name>] [--baud <baud rate>] [--help]\n" << std::endl;
    return EXIT_SUCCESS;
  }
 
  std::cout << "Try to connect to port \"" << port << "\" with baud rate " << baud << std::endl;
  vpSerial serial(port, baud);
 
  double t = vpTime::measureTimeSecond();
  do {
    std::string line = serial.readline("\n");
    if (!line.empty()) {
      std::cout << "Read line: " << line << std::endl;
    }
    vpTime::wait(100);
  } while (vpTime::measureTimeSecond() - t < 30);
#else
  (void)argc;
  (void)argv;
  std::cout << "Serial test is only working on unix-like OS." << std::endl;
#endif
  return EXIT_SUCCESS;
}