新建通道，选择板卡以及输入输出信息

调用代码

//==============================================================================
//
// Title:       Source File.c
// Purpose:     A short description of the implementation.
//
// Created on:  2021/10/2 at 17:01:45 by Hong.
// Copyright:   . All Rights Reserved.
//
//==============================================================================//==============================================================================
// Include files//#include "Source File.h"
#include <utility.h>
#include <userint.h>
#include <ansi_c.h>
#include <NIDAQmx.h>
#include <DAQTaskInProject.h>
#include <DAQTaskInProject1.h>
#include <math.h>
#include <time.h>
#include<stdio.h>
//==============================================================================
// Constants
void float2char(float,char*,int);
void mergelist(int* a,int len_a,int* b,int len_b,int* c);
//==============================================================================
// Types//==============================================================================
// Static global variables//==============================================================================
// Static functions
char buf[1000];
//static char buffer[100];
//static char BUFFER[40000];
static int signalpoints = 2000;//ADC读取点数
double SendWavebias[6000]={0};//送电压值初始矩阵
static int signalwritenumber;
static const int  samplerate = 2000;
double readarray[8000]={0};//ADC采集数据数组
static int32 sampsPerChanRead = 0;
//static  CmtTSQHandle  tsqHdl; //线程安全队列句柄
//static CmtThreadPoolHandle gThreadPoolHandle;
//static int writemumber = 0;
int t = 0;
int delaytime=0.2;//设置DA输出保持时间
double *savebuffer;
double c[20000]= {0};double xarray1[10000]= {0};
double yarray1[10000]= {0};
double zarray1[10000]= {0};
double xarray2[10000]= {0};
double yarray2[10000]= {0};
double zarray2[10000]= {0};
double xarray3[10000]= {0};
double yarray3[10000]= {0};
double zarray3[10000]= {0};
double xarray4[10000]= {0};
double yarray4[10000]= {0};
double zarray4[10000]= {0};
double xarray5[10000]= {0};
double yarray5[10000]= {0};
double zarray5[10000]= {0};
double xarray6[10000]= {0};
double yarray6[10000]= {0};
double zarray6[10000]= {0};char Xallc[100] ;
double Xall1 = 0,Yall1 = 0,Zall1 = 0;
double Xall2 = 0,Yall2 = 0,Zall2 = 0;
double Xall3 = 0,Yall3 = 0,Zall3 = 0;
double Xall4 = 0,Yall4 = 0,Zall4 = 0;
double Xall5 = 0,Yall5 = 0,Zall5 = 0;
double Xall6 = 0,Yall6 = 0,Zall6 = 0;double Xmean1 = 0,Ymean1 = 0 ,Zmean1 = 0;
double Xmean2 = 0,Ymean2 = 0 ,Zmean2 = 0;
double Xmean3 = 0,Ymean3 = 0 ,Zmean3 = 0;
double Xmean4 = 0,Ymean4 = 0 ,Zmean4 = 0;
double Xmean5 = 0,Ymean5 = 0 ,Zmean5 = 0;
double Xmean6 = 0,Ymean6 = 0 ,Zmean6 = 0;
TaskHandle taskHandlebias0=0;//outhhand
TaskHandle taskHandlebias1=0;//inhandle//==============================================================================
// Global variables//==============================================================================
// Global functions/// HIFN  What does your function do?
/// HIPAR x/What inputs does your function expect?
/// HIRET What does your function return?
int Define_Your_Functions_Here (int x)
{return x;
}int main (int argc, char *argv[])
{//=============================================================OutPut1===================================================================================for(int i = 0;i<2000;i++){SendWavebias[i] = 0.5;}for(int i = 2000;i<4000;i++){SendWavebias[i] = 0.5;}for(int i = 4000;i<6000;i++){SendWavebias[i] = 0.5;}TaskHandle taskOut; //DA输出DAQmxCreateTask(buf, &taskOut);DAQmxCreateAOVoltageChan(taskOut, "cDAQ1Mod2/ao0","电压输出_0", -4.24264068712, 4.24264068712,DAQmx_Val_Volts, "");DAQmxCreateAOVoltageChan(taskOut, "cDAQ1Mod2/ao1","电压输出_1", -4.24264068712, 4.24264068712,DAQmx_Val_Volts, "");  DAQmxCreateAOVoltageChan(taskOut, "cDAQ1Mod3/ao0","电压输出_2", -4.24264068712, 4.24264068712,DAQmx_Val_Volts, "");  DAQmxSetChanAttribute(taskOut, "电压输出_0", DAQmx_AO_TermCfg,DAQmx_Val_PseudoDiff);DAQmxSetChanAttribute(taskOut, "电压输出_1", DAQmx_AO_TermCfg,DAQmx_Val_PseudoDiff);DAQmxSetChanAttribute(taskOut, "电压输出_2", DAQmx_AO_TermCfg,DAQmx_Val_PseudoDiff);DAQmxCfgSampClkTiming(taskOut, "", 2000, DAQmx_Val_Rising, DAQmx_Val_ContSamps, 2000);DAQmxSetWriteAttribute(taskOut, DAQmx_Write_RegenMode, DAQmx_Val_AllowRegen);DAQmxWriteAnalogF64 (taskOut, signalpoints, 0, 0, DAQmx_Val_GroupByChannel , SendWavebias, &signalwritenumber, NULL);DAQmxStartTask (taskOut);DAQmxClearTask (taskOut);Delay(delaytime);TaskHandle taskInbias; //AD输入TaskHandle taskHandlebias1=0;DAQmxCreateTask(buf, &taskInbias);DAQmxCreateAIVoltageChan(taskInbias, "cDAQ1Mod1/ai0", "电压_0",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCreateAIVoltageChan(taskInbias, "cDAQ1Mod1/ai1", "电压_1",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCreateAIVoltageChan(taskInbias, "cDAQ1Mod1/ai2", "电压_2",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCfgSampClkTiming(taskInbias, "", samplerate, DAQmx_Val_Rising, DAQmx_Val_ContSamps, samplerate*3);taskHandlebias1 = taskInbias;DAQmxStartTask (taskHandlebias1);DAQmxReadAnalogF64(taskHandlebias1,samplerate,2.0,DAQmx_Val_GroupByScanNumber ,&readarray,samplerate*3,&sampsPerChanRead ,NULL);for(int i = 0; i<sampsPerChanRead*3; i+=3){xarray1[t] = (readarray[i]);Xall1 += readarray[i];yarray1[t] = (readarray[i + 1]);Yall1  += (readarray[i + 1]);zarray1[t] = (readarray[i + 2]);Zall1  += (readarray[i + 2]);t++;}if(t == samplerate ){Xmean1 = (Xall1/ sampsPerChanRead);Ymean1 = (Yall1/ sampsPerChanRead);Zmean1 = (Zall1/ sampsPerChanRead);//InsertTextBoxLine(panelHandle,PANEL_TEXTBOX,lineIndex,buf);//lineIndex++;Xall1=0;Yall1=0;Zall1=0;t = 0;}Delay(0.02);             DAQmxStopTask (taskHandlebias1);DAQmxClearTask (taskHandlebias1);savebuffer=(double*)calloc(readarray,sizeof(double));for(int i=0;i<6000;i++){savebuffer[i]=readarray[i];}//=============================================================OutPut2=================================================================================== for(int i = 0;i<2000;i++){SendWavebias[i] = 1;}TaskHandle taskOut1; //DA输出DAQmxCreateTask(buf, &taskOut1);DAQmxCreateAOVoltageChan(taskOut1, "cDAQ1Mod2/ao0","电压输出", -4.24264068712, 4.24264068712,DAQmx_Val_Volts, "");DAQmxSetChanAttribute(taskOut1, "电压输出", DAQmx_AO_TermCfg,DAQmx_Val_PseudoDiff);DAQmxCfgSampClkTiming(taskOut1, "", 2000, DAQmx_Val_Rising, DAQmx_Val_ContSamps, 2000);DAQmxSetWriteAttribute(taskOut1, DAQmx_Write_RegenMode, DAQmx_Val_AllowRegen);DAQmxWriteAnalogF64 (taskOut1, signalpoints, 0, 0, DAQmx_Val_GroupByChannel , SendWavebias, &signalwritenumber, NULL);DAQmxStartTask (taskOut1);DAQmxClearTask (taskOut1);Delay(delaytime);TaskHandle taskInbias2; //AD输入TaskHandle taskHandlebias2=0;DAQmxCreateTask(buf, &taskInbias2);DAQmxCreateAIVoltageChan(taskInbias2, "cDAQ1Mod1/ai0", "电压_0",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCreateAIVoltageChan(taskInbias2, "cDAQ1Mod1/ai1", "电压_1",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCreateAIVoltageChan(taskInbias2, "cDAQ1Mod1/ai2", "电压_2",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCfgSampClkTiming(taskInbias2, "", samplerate, DAQmx_Val_Rising, DAQmx_Val_ContSamps, samplerate*3);taskHandlebias2 = taskInbias2;DAQmxStartTask (taskHandlebias2);DAQmxReadAnalogF64(taskHandlebias2,samplerate,2.0,DAQmx_Val_GroupByScanNumber ,readarray,samplerate*3,&sampsPerChanRead ,NULL);for(int i = 0; i<sampsPerChanRead*3; i+=3){xarray2[t] = (readarray[i]);Xall2 += readarray[i];yarray2[t] = (readarray[i + 1]);Yall2  += (readarray[i + 1]);zarray2[t] = (readarray[i + 2]);Zall2  += (readarray[i + 2]);t++;}if(t == samplerate ){Xmean2 = (Xall2/ sampsPerChanRead);Ymean2 = (Yall2/ sampsPerChanRead);Zmean2 = (Zall2/ sampsPerChanRead);//InsertTextBoxLine(panelHandle,PANEL_TEXTBOX,lineIndex,buf);//lineIndex++;Xall2=0;Yall2=0;Zall2=0;t = 0;}Delay(0.02);              DAQmxStopTask (taskHandlebias2);DAQmxClearTask (taskHandlebias2);for(int i=0;i<6000;i++){savebuffer[i+6000]=readarray[i];}//=============================================================OutPut3===================================================================================for(int i = 0;i<2000;i++){SendWavebias[i] = 1.5;}TaskHandle taskOut2; //DA输出DAQmxCreateTask(buf, &taskOut2);DAQmxCreateAOVoltageChan(taskOut2, "cDAQ1Mod2/ao0","电压输出", -4.24264068712, 4.24264068712,DAQmx_Val_Volts, "");DAQmxSetChanAttribute(taskOut2, "电压输出", DAQmx_AO_TermCfg,DAQmx_Val_PseudoDiff);DAQmxCfgSampClkTiming(taskOut2, "", 2000, DAQmx_Val_Rising, DAQmx_Val_ContSamps, 2000);DAQmxSetWriteAttribute(taskOut2, DAQmx_Write_RegenMode, DAQmx_Val_AllowRegen);DAQmxWriteAnalogF64 (taskOut2, signalpoints, 0, 0, DAQmx_Val_GroupByChannel , SendWavebias, &signalwritenumber, NULL);DAQmxStartTask (taskOut2);DAQmxClearTask (taskOut2);Delay(delaytime);TaskHandle taskInbias3; //AD输入TaskHandle taskHandlebias3=0;DAQmxCreateTask(buf, &taskInbias3);DAQmxCreateAIVoltageChan(taskInbias3, "cDAQ1Mod1/ai0", "电压_0",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCreateAIVoltageChan(taskInbias3, "cDAQ1Mod1/ai1", "电压_1",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCreateAIVoltageChan(taskInbias3, "cDAQ1Mod1/ai2", "电压_2",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCfgSampClkTiming(taskInbias3, "", samplerate, DAQmx_Val_Rising, DAQmx_Val_ContSamps, samplerate*3);taskHandlebias3 = taskInbias3;DAQmxStartTask (taskHandlebias3);DAQmxReadAnalogF64(taskHandlebias3,samplerate,2.0,DAQmx_Val_GroupByScanNumber ,readarray,samplerate*3,&sampsPerChanRead ,NULL);for(int i = 0; i<sampsPerChanRead*3; i+=3){xarray3[t] = (readarray[i]);Xall2 += readarray[i];yarray3[t] = (readarray[i + 1]);Yall2  += (readarray[i + 1]);zarray3[t] = (readarray[i + 2]);Zall2  += (readarray[i + 2]);t++;}if(t == samplerate ){Xmean3 = (Xall3/ sampsPerChanRead);Ymean3 = (Yall3/ sampsPerChanRead);Zmean3 = (Zall3/ sampsPerChanRead);//InsertTextBoxLine(panelHandle,PANEL_TEXTBOX,lineIndex,buf);//lineIndex++;Xall3=0;Yall3=0;Zall3=0;t = 0;}Delay(0.02);             DAQmxStopTask (taskHandlebias3);DAQmxClearTask (taskHandlebias3);for(int i=0;i<6000;i++){savebuffer[i+12000]=readarray[i];}//===============================================================OutPut4=================================================================================for(int i = 0;i<2000;i++){SendWavebias[i] = 2;}TaskHandle taskOut3; //DA输出DAQmxCreateTask(buf, &taskOut3);DAQmxCreateAOVoltageChan(taskOut3, "cDAQ1Mod2/ao0","电压输出", -4.24264068712, 4.24264068712,DAQmx_Val_Volts, "");DAQmxSetChanAttribute(taskOut3, "电压输出", DAQmx_AO_TermCfg,DAQmx_Val_PseudoDiff);DAQmxCfgSampClkTiming(taskOut3, "", 2000, DAQmx_Val_Rising, DAQmx_Val_ContSamps, 2000);DAQmxSetWriteAttribute(taskOut3, DAQmx_Write_RegenMode, DAQmx_Val_AllowRegen);DAQmxWriteAnalogF64 (taskOut3, signalpoints, 0, 0, DAQmx_Val_GroupByChannel , SendWavebias, &signalwritenumber, NULL);DAQmxStartTask (taskOut3);DAQmxClearTask (taskOut3);Delay(delaytime);TaskHandle taskInbias4; //AD输入TaskHandle taskHandlebias4=0;DAQmxCreateTask(buf, &taskInbias4);DAQmxCreateAIVoltageChan(taskInbias4, "cDAQ1Mod1/ai0", "电压_0",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCreateAIVoltageChan(taskInbias4, "cDAQ1Mod1/ai1", "电压_1",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCreateAIVoltageChan(taskInbias4, "cDAQ1Mod1/ai2", "电压_2",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCfgSampClkTiming(taskInbias4, "", samplerate, DAQmx_Val_Rising, DAQmx_Val_ContSamps, samplerate*3);taskHandlebias4 = taskInbias4;DAQmxStartTask (taskHandlebias4);DAQmxReadAnalogF64(taskHandlebias4,samplerate,2.0,DAQmx_Val_GroupByScanNumber ,readarray,samplerate*3,&sampsPerChanRead ,NULL);for(int i = 0; i<sampsPerChanRead*3; i+=3){xarray4[t] = (readarray[i]);Xall4 += readarray[i];yarray4[t] = (readarray[i + 1]);Yall4  += (readarray[i + 1]);zarray4[t] = (readarray[i + 2]);Zall4  += (readarray[i + 2]);t++;}if(t == samplerate ){Xmean4 = (Xall4/ sampsPerChanRead);Ymean4 = (Yall4/ sampsPerChanRead);Zmean4 = (Zall4/ sampsPerChanRead);//InsertTextBoxLine(panelHandle,PANEL_TEXTBOX,lineIndex,buf);//lineIndex++;Xall4=0;Yall4=0;Zall4=0;t = 0;}Delay(0.02);              DAQmxStopTask (taskHandlebias4);DAQmxClearTask (taskHandlebias4);for(int i=0;i<6000;i++){savebuffer[i+18000]=readarray[i];}//===============================================================OutPut5=================================================================================for(int i = 0;i<2000;i++){SendWavebias[i] = 2.5;}TaskHandle taskOut4; //DA输出DAQmxCreateTask(buf, &taskOut4);DAQmxCreateAOVoltageChan(taskOut4, "cDAQ1Mod2/ao0","电压输出", -4.24264068712, 4.24264068712,DAQmx_Val_Volts, "");DAQmxSetChanAttribute(taskOut4, "电压输出", DAQmx_AO_TermCfg,DAQmx_Val_PseudoDiff);DAQmxCfgSampClkTiming(taskOut4, "", 2000, DAQmx_Val_Rising, DAQmx_Val_ContSamps, 2000);DAQmxSetWriteAttribute(taskOut4, DAQmx_Write_RegenMode, DAQmx_Val_AllowRegen);DAQmxWriteAnalogF64 (taskOut4, signalpoints, 0, 0, DAQmx_Val_GroupByChannel , SendWavebias, &signalwritenumber, NULL);DAQmxStartTask (taskOut4);DAQmxClearTask (taskOut4);Delay(delaytime);TaskHandle taskInbias5; //AD输入TaskHandle taskHandlebias5=0;DAQmxCreateTask(buf, &taskInbias5);DAQmxCreateAIVoltageChan(taskInbias5, "cDAQ1Mod1/ai0", "电压_0",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCreateAIVoltageChan(taskInbias5, "cDAQ1Mod1/ai1", "电压_1",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCreateAIVoltageChan(taskInbias5, "cDAQ1Mod1/ai2", "电压_2",DAQmx_Val_Diff, -10, 10, DAQmx_Val_Volts, "");DAQmxCfgSampClkTiming(taskInbias5, "", samplerate, DAQmx_Val_Rising, DAQmx_Val_ContSamps, samplerate*3);taskHandlebias5 = taskInbias5;DAQmxStartTask (taskHandlebias5);DAQmxReadAnalogF64(taskHandlebias5,samplerate,2.0,DAQmx_Val_GroupByScanNumber ,readarray,samplerate*3,&sampsPerChanRead ,NULL);for(int i = 0; i<sampsPerChanRead*3; i+=3){xarray5[t] = (readarray[i]);Xall5 += readarray[i];yarray5[t] = (readarray[i + 1]);Yall5  += (readarray[i + 1]);zarray5[t] = (readarray[i + 2]);Zall5  += (readarray[i + 2]);t++;}if(t == samplerate ){Xmean5 = (Xall5/ sampsPerChanRead);Ymean5 = (Yall5/ sampsPerChanRead);Zmean5 = (Zall5/ sampsPerChanRead);//InsertTextBoxLine(panelHandle,PANEL_TEXTBOX,lineIndex,buf);//lineIndex++;Xall5=0;Yall5=0;Zall5=0;t = 0;}Delay(0.02);                DAQmxStopTask (taskHandlebias5);DAQmxClearTask (taskHandlebias5);for(int i=0;i<6000;i++){savebuffer[i+24000]=readarray[i];}//======================================================写文件================================================================================char output_file[]="data_xxx.csv";sprintf(output_file,"data_%3d.csv",1); //设置文件名FILE* fd=fopen(output_file,"w");    //“写”打开文件if(!fd){perror("fopen failed!");return 1;}for(int i=0;i<30000;i++){fprintf(fd,"%f, ",savebuffer[i]);  //输出数据+换格fprintf(fd,"\n");    //换行}fprintf(fd,"\n");fclose(fd);         //关闭文件  free(savebuffer);return 0;}void float2char(float slope,char*buffer,int n)  //浮点型数，存储的字符数组，字符数组的长度
{int temp,i,j;if(slope>=0)//判断是否大于0buffer[0] = '+';else{buffer[0] = '-';slope = -slope;}temp = (int)slope;//取整数部分for(i=0;temp!=0;i++)//计算整数部分的位数temp /=10;temp =(int)slope;for(j=i;j>0;j--)//将整数部分转换成字符串型{buffer[j] = temp%10+'0';temp /=10;}buffer[i+1] = '.';slope -=(int)slope;for(i=i+2;i<n-1;i++)//将小数部分转换成字符串型{slope*=10;buffer[i]=(int)slope+'0';slope-=(int)slope;}buffer[n-1] = '\0';
}void mergelist(int* a,int len_a,int* b,int len_b,int* c)
{int i=0;//用来判断数组aint j=0;//用来判断数组bint k=0;//用来标识数组cwhile(i<len_a&&j<len_b)//两个数组都为非空时{if(a[i]<b[j]){c[k]=a[i];i++;k++;}else{c[k]=b[j];j++;k++;}}while(i<len_a)//数组b的值已经被移到c中，数组a的值还没有完全被移到c中{c[k]=a[i];i++;k++;}while(j<len_b)//数组a的值已经完全被移到c中，数组b的值还没有完全被移到c中{c[k]=b[j];j++;k++;}
}

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使用Labwindows开发DAQmx

新建通道，选择板卡以及输入输出信息

调用代码

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