CsiTest.cpp

CSI API example.The following example shows how to use the CSI API from application code.

//============================================================================
// (c) Copyright 2013, CETONI GmbH
//
/// \file   CsiTest.cpp
/// \author Uwe Kindler (UK)
/// \date   2010/05/27
/// \brief  CSI example application
///
/// Example application that shows how to use the CSI API.
//===========================================================================


//===========================================================================
//                                INCLUDES
//===========================================================================
#include <iostream>
#include <stdint.h>
#include "csi_api.h"
using namespace std;


//===========================================================================
//                               LOCAL DATA
//===========================================================================
static struct CsiDev CsiDev;
static struct CsiBus CsiBus;

/**
 * Print error code and error description via CsiErrorToString() to std::out
 */
long showError(long ErrCode)
{
    if (ErrCode < 0)
    {
        std::cout << "Error code: " << std::hex << (0 - ErrCode) << std::dec
            << " - " << CsiErrorToString(ErrCode) << std::endl;
    }
    return ErrCode;
}


/**
 * Application main entry point
 */
int main(int argc, char *argv[])
{
    //
    // First open the serial port 1 (on Windows COM1) with a baudrate of
    // 38400 and a timeout value of 100 ms
    //
    long Result = CsiOpen(&CsiBus, "COM10", CSI_BAUD_115200, 100);
    showError(Result);

    //
    // If the port is open, we initialize the device object CsiDev. Normally
    // this does not require any serial communication
    //
    Result = CsiDevInit(&CsiBus, 2, &CsiDev, CSI_SERIAL_PROTOCOL_V1);
    showError(Result);

    //
    // Now read the value of the object dictionary entry with index 0x1000 and
    // sub index 0 into the data buffer provided in Data parameter. Then print
    // the read value for debugging purposes.
    //
    uint32_t Data;
    Result = CsiDevReadObject(&CsiDev, 0x1000, 0, &Data);
    showError(Result);
    if (ERR_NOERR == Result)
    {
        std::cout << "CsiDevReadObject(&CsiDev, 0x1000): "
            << std::hex << Data << std::dec << std::endl;
    }

    //
    // Now read the value of the object dictionary entry with index 0x200C and
    // sub index 1 into the data buffer provided in Data parameter. Then print
    // the read value for debugging purposes.
    //
    Result = CsiDevReadObject(&CsiDev, 0x200C, 1, &Data);
    showError(Result);
    std::cout << "RxData: " << std::hex << Data << std::dec << std::endl;

    //
    // Now write defined data to the object dictionary entry we have just read
    //
    Data = 0x12345678;
    Result = CsiDevWriteObject(&CsiDev, 0x200C, 1, Data);
    showError(Result);

    //
    // Now read back the value of the object dictionary entry to check if value
    // has been written successfully.
    //
    Result = CsiDevReadObject(&CsiDev, 0x200C, 1, &Data);
    showError(Result);
    std::cout << "RxData: " << std::hex << Data << std::dec << std::endl;

    //
    // Before we leave the application we call CsiClose() to close the serial
    // connection an free any claimed resources.
    //
    Result = CsiClose(&CsiBus);
    showError(Result);
    return 0;
}