GetParameterByte.cpp

This sample shows how to read paramter bytes via he connection API

Usage:

GetParamterByte <ip_address>
// e.g.:
GetParamterByte 10.0.0.102

Note

Another possibility is via the device API.
See also: Sample 02_BaosParameterBytes.cpp

//
// Copyright (c) 2002-2026 WEINZIERL ENGINEERING GmbH
// All rights reserved.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DAMAGES OR OTHER LIABILITY,
// WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
//
 
#include "Helper.h"
 
#include <baos/Sdk.h>
#include <baos/ip/BaosTcpConnection.h>
#include <baos/protocol/Defines.h>
#include <wzcpp/features/utils.h>
 
#include <iostream>
#include <memory>
 
using utility::CommandLineOptions;
using wz::baos::setBaosLogLevel;
using namespace wz::baos;
using namespace wz::baos::ip;
using namespace wz::baos::protocol;
 
/******************************************
** Anonymous namespace
*******************************************/
 
namespace
{
 
void traceParameterBytes(const ParameterBytes& parameterBytes)
{
    std::cout.fill('0');
    std::cout << std::hex << std::uppercase;
    for (auto& item : parameterBytes)
    {
        std::cout << std::setw(2) << static_cast<std::int32_t>(item) << " ";
    }
    std::cout << std::nouppercase << std::dec;
}
 
}  // end anonymous namespace
 
/******************************************
** Main
*******************************************/
 
int main(int argc, char* argv[])
{
    try
    {
        std::cout << "******************************************" << std::endl;
        std::cout << "GetParamterByte sample" << std::endl;
        std::cout << "******************************************" << std::endl;
        std::cout << std::endl;
 
        // Reduce log messages
        setBaosLogLevel(wz::baos::LogLevel::warn);
 
        // The CommandLineOptions::parse function
        // validates the arguments and handles the help command
        CommandLineOptions options;
        options.parse(argc, argv);
        if (options.wasHelpdisplayed())
        {
            return 0;
        }
 
        // Get the ip address from the parsed command line options
        const std::string ipAddress = options.getIpAddress();
        std::cout << " Connection requested for " << ipAddress << std::endl;
 
        // Create a TPC/IP connection to the remote BAOS device
        BaosTcpConnection connection;
        connection.open(ipAddress);
 
 
        // Reads some parameter bytes (single item per requested)
 
        // index = 1
        std::cout << "Reading parameter byte 1:" << std::endl;
        auto parameterByte = connection.getParameterByte(1);
        if (parameterByte.has_value())
        {
            std::cout << "Parameter data (1): " << std::setw(2) << static_cast<std::int32_t>(*parameterByte) << std::endl;
        }
        std::cout << std::endl;
 
        // index = 12
        std::cout << "Reading parameter byte 12:" << std::endl;
        parameterByte = connection.getParameterByte(12);
        if (parameterByte.has_value())
        {
            std::cout << "Parameter data (12): " << std::setw(2) << static_cast<std::int32_t>(*parameterByte) << std::endl;
        }
        std::cout << std::endl;
 
 
        // Reads multiple parameter bytes (multiple items per requested)
 
        // index = 2; number of = 4
        std::cout << "Reading parameter bytes 2 - 5:" << std::endl;
        ParameterBytes parameterBytes = connection.getParameterBytes(2, 4);
        traceParameterBytes(parameterBytes);
        std::cout << std::endl << std::endl;
 
        // index = 11; number of = 50
        std::cout << "Reading parameter bytes 11 - 60:" << std::endl;
        parameterBytes = connection.getParameterBytes(11, 50);
        traceParameterBytes(parameterBytes);
        std::cout << std::endl << std::endl;
    }
    catch (const std::exception& e)
    {
        std::cerr << "Failed: " << e.what() << std::endl;
        return -1;
    }
 
    return 0;
}