dasoft.cpp

16 relay output channels and 16 isolated digital input channels LED indicators to show activated

/*
 ****************************************************************************************
 * Program        : DASOFT.CPP                                                          * 
 * Description    : Demo program for analog output function                             *
 * Boards Supp.   : PCL-818 series/818HG/1800/816/812PG/711B/726/727/728,               *
 *                  PCI-1710/1720, MIC-2728, ADAM-4021/5024                             *
 * APIs used      : DRV_DeviceOpen,DRV_DeviceClose, DRV_GetErrorMessage                 *
 *                  DRV_AOVoltageOut                                                    *
 * Revision       : 1.00                                                                *
 * Date           : 7/8/1999                   Advantech Co., Ltd.                      *
 ****************************************************************************************
 */
#include <windows.h>
#include <windef.h>
#include <stdio.h>
#include <conio.h>

#include "..\..\..\include\driver.h"

/******************************
 * Local function declaration *
 ******************************/
void ErrorHandler(DWORD dwErrCde);
void ErrorStop(long*, DWORD);

void main()
{
    DWORD  dwErrCde;
    ULONG  lDevNum;
    long   lDriverHandle;
    USHORT usChan;
	float  fOutValue;

	PT_AOVoltageOut tAOVoltageOut;

    //Step 1: Display hardware and software settings for running this example
    printf("Before running this example, please\n");
    printf("use the device installation utility to add the device.\n");

    //Step 2: Input parameters
    printf("\nPlease input parameters:");
    printf("\nDevice Number (check the device installation utility): ");
    scanf("%d", &lDevNum);
    printf("\nOutput Channel: ");
    scanf("%d", &usChan);
    printf("\nOutput Value: ");
    scanf("%f", &fOutValue);
    
    //Step 3: Open device
    dwErrCde = DRV_DeviceOpen(lDevNum, &lDriverHandle);   
    if (dwErrCde != SUCCESS)
    {
        ErrorHandler(dwErrCde);
        printf("Program terminated!\n");

        printf("Press any key to exit....");
        getch();
        exit(1);
    }

    // Step 4: Output value to the specified channel
    tAOVoltageOut.chan = usChan;
    tAOVoltageOut.OutputValue = fOutValue;

    dwErrCde = DRV_AOVoltageOut(lDriverHandle, &tAOVoltageOut);
    if (dwErrCde != SUCCESS)
    {
        ErrorStop(&lDriverHandle, dwErrCde);
        printf("Press any key to exit....");
        getch();
        return;
    }

    // Step 5: Display ouptut data
    printf("\nOutput data = %f\n", fOutValue);

    // Step 6: Close device
    dwErrCde = DRV_DeviceClose(&lDriverHandle);

    printf("\nPress any key to exit....");
    getch();

}//main

/**********************************************************************
 * Function: ErrorHandler
 *           Show the error message for the corresponding error code
 * input:    dwErrCde, IN, Error code
 * return:   none
 **********************************************************************/
void ErrorHandler(DWORD dwErrCde)
{
    char szErrMsg[180];

    DRV_GetErrorMessage(dwErrCde, szErrMsg);
    printf("\nError(%d): %s\n", dwErrCde & 0xffff, szErrMsg);
}//ErrorHandler

/**********************************************************************
 * Function:   ErrorStop
 *             Release all resource and terminate program if error occurs 
 * Paramaters: pDrvHandle, IN/OUT, pointer to Driver handle
 *             dwErrCde, IN, Error code.
 * return:     none             
 **********************************************************************/
void ErrorStop(long *pDrvHandle, DWORD dwErrCde)
{
    //Error message 
    ErrorHandler(dwErrCde);
    printf("Program terminated!\n");
    
    //Close device
    DRV_DeviceClose(pDrvHandle);
}//ErrorStop