Цифровой вывод

#include <NIDAQmx.h>

#include <cvirte.h>

#include <userint.h>

#include "second.h"

static int panelHandle;

int main (int argc, char *argv[])

{

if (InitCVIRTE (0, argv, 0) == 0)

return -1; /* out of memory */

if ((panelHandle = LoadPanel (0, "second.uir", PANEL)) < 0)

return -1;

DisplayPanel (panelHandle);

RunUserInterface ();

DiscardPanel (panelHandle);

return 0;

}

int CVICALLBACK rQuit (int panel, int control, int event,

void *callbackData, int eventData1, int eventData2)

{

switch (event)

{

case EVENT_COMMIT:

QuitUserInterface (0);

break;

}

return 0;

}

int CVICALLBACK rWrite (int panel, int control, int event,

void *callbackData, int eventData1, int eventData2)

{

TaskHandle taskHandle=0;

char chan[256];

uInt8 data[8];

/*char errBuff[2048]={'\0'};*/

switch (event)

{

case EVENT_COMMIT:

GetCtrlVal (panel, PANEL_CHANNEL, chan);

GetCtrlVal (panel, PANEL_SW_0, &data[0]);

GetCtrlVal (panel, PANEL_SW_1, &data[1]);

GetCtrlVal (panel, PANEL_SW_2, &data[2]);

GetCtrlVal (panel, PANEL_SW_3, &data[3]);

GetCtrlVal (panel, PANEL_SW_4, &data[4]);

GetCtrlVal (panel, PANEL_SW_5, &data[5]);

GetCtrlVal (panel, PANEL_SW_6, &data[6]);

GetCtrlVal (panel, PANEL_SW_7, &data[7]);

DAQmxCreateTask ("", &taskHandle);

DAQmxCreateDOChan (taskHandle, chan, "", DAQmx_Val_ChanForAllLines);

DAQmxStartTask (taskHandle);

DAQmxWriteDigitalLines (taskHandle, 1, 1, 10.0, DAQmx_Val_GroupByChannel, data, NULL, NULL);

DAQmxStopTask (taskHandle);

DAQmxClearTask (taskHandle);

break;

}

return 0;

}

Пример панели интерфейса пользователя приведен на рис. 65.

Рис. 65
Примеры проектов в LabWindows/CVI 8.0

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