西安交大现测实验现测实验1_西安交通大学数学实验

西安交大现测实验现测实验1由刀豆文库小编整理，希望给你工作、学习、生活带来方便，猜你可能喜欢“西安交通大学数学实验”。

#include #include #include #include “TEST1.h” static int32 read;static TaskHandle taskHandlee;

static int panelHandle;

int main(int argc, char *argv[]){ double v;if(InitCVIRTE(0, argv, 0)== 0)

return-1;/* out of memory */ if((panelHandle = LoadPanel(0, “TEST1.uir”, PANEL))

return-1;DisplayPanel(panelHandle);

RunUserInterface();DiscardPanel(panelHandle);return 0;}

int CVICALLBACK Start(int panel, int control, int event,void *callbackData, int eventData1, int eventData2){ double freq;float64 wave[10000];int sumpo;int i;double f;int k;int signpo[10000];//float64 wave[1000];switch(event){

case EVENT_COMMIT:

GetCtrlVal(panelHandle, PANEL_decide, &freq);

DAQmxCreateTask(“”, &taskHandlee);

DAQmxCreateAIVoltageChan(taskHandlee, “Dev1/ai0”, “”, DAQmx_Val_RSE,-5.0, 5.0,DAQmx_Val_Volts, “”);

DAQmxCfgSampClkTiming(taskHandlee, “”, freq, DAQmx_Val_Rising, DAQmx_Val_FiniteSamps, 1000);

DAQmxStartTask(taskHandlee);

DAQmxReadAnalogF64(taskHandlee, DAQmx_Val_Auto, 10.0, DAQmx_Val_GroupByScanNumber, wave,1000, &read, 0);

DeleteGraphPlot(panelHandle, PANEL_GRAPH,-1, VAL_IMMEDIATE_DRAW);

PlotY(panelHandle, PANEL_GRAPH, wave, 100, VAL_DOUBLE, VAL_THIN_LINE, VAL_EMPTY_SQUARE,VAL_SOLID, 1, VAL_RED);

k = 0;for(i=1;i

signpo[k]=i;k++;

if(k>1)break;} }

sumpo = signpo[1]-signpo[0];

f= freq/sumpo;

SetCtrlVal(panelHandle, PANEL_show, f);

DAQmxStopTask(taskHandlee);

DAQmxClearTask(taskHandlee);

break;} return 0;}

int CVICALLBACK Close(int panel, int control, int event,void *callbackData, int eventData1, int eventData2){ //askHandle taskHandle;switch(event){

case EVENT_COMMIT:

QuitUserInterface(0);

break;} return 0;}