You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
2.5 KiB
105 lines
2.5 KiB
#include <windows.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <conio.h>
|
|
#include "dask.h"
|
|
|
|
#define ChnCount 16
|
|
|
|
#define SampIntv 160
|
|
#define ScanIntv SampIntv*ChnCount
|
|
|
|
#define DataCount 3200
|
|
|
|
#define TimeBase 40000
|
|
|
|
void main()
|
|
{
|
|
FILE *svfile;
|
|
int i, j;
|
|
I16 err, card;
|
|
U16 card_num;
|
|
F64 Volt_Val;
|
|
|
|
U16 buffer[DataCount];
|
|
U16 bufferID;
|
|
|
|
U16 Chans[ChnCount] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
|
|
U16 AdRanges[ChnCount] = {AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V, AD_B_5_V};
|
|
const char file[] = "9221d.txt";
|
|
|
|
memset(buffer, '\0', DataCount*2);
|
|
|
|
svfile = fopen(file, "w");
|
|
|
|
printf("This sample performs DMA AI Acquisition from channel 0 to channel 15, and acquires %d AI Voltage Data in %4.2f KHz sampling rate.", DataCount, (F32)TimeBase/SampIntv);
|
|
printf(" And Stores acquired data to %s.\n", file);
|
|
|
|
printf("\nPlease input Card Number:");
|
|
scanf(" %hd", &card_num);
|
|
|
|
if ((card = Register_Card(PCI_9221, card_num)) <0 ) {
|
|
printf("Register_Card error=%d", card);
|
|
exit(1);
|
|
}
|
|
|
|
err = AI_9221_Config (card, P9221_AI_SingEnded|P9221_AI_IntTimeBase, P9221_TRGMOD_SOFT, 0);
|
|
if(err <0){
|
|
printf("AI_9221_CounterInterval err: %d\n", err);
|
|
Release_Card(card);
|
|
exit(1);
|
|
}
|
|
|
|
err = AI_9221_CounterInterval (card, ScanIntv, SampIntv);
|
|
if(err <0){
|
|
printf("AI_ContBufferSetup1 err: %d\n", err);
|
|
exit(1);
|
|
}
|
|
|
|
err = AI_SetTimeOut(card, 10000);
|
|
if(err <0){
|
|
printf("AI_SetTimeOut err: %d\n", err);
|
|
exit(1);
|
|
}
|
|
|
|
err = AI_ContBufferSetup (card, buffer, DataCount, &bufferID);
|
|
if(err <0){
|
|
printf("AI_ContBufferSetup err: %d\n", err);
|
|
Release_Card(card);
|
|
exit(1);
|
|
}
|
|
|
|
printf("\nPress any key to start.\n");
|
|
getch();
|
|
|
|
err = AI_ContReadMultiChannels (card, ChnCount, Chans, AdRanges, &bufferID, DataCount, 0, SYNCH_OP);
|
|
if(err <0){
|
|
printf("AI_ContReadMultiChannels err: %d\n", err);
|
|
AI_ContBufferReset(card);
|
|
Release_Card(card);
|
|
exit(1);
|
|
}
|
|
|
|
printf("\nAcquisition Done.\n");
|
|
|
|
for(i=0; i<ChnCount-1; i++)
|
|
fprintf(svfile, "CH %d\t", i);
|
|
fprintf(svfile, "CH %d\n", i);
|
|
|
|
for(i=0; i<DataCount/ChnCount; i++) {
|
|
for(j=0; j<ChnCount; j++){
|
|
AI_VoltScale (card, AdRanges[j], buffer[i*ChnCount+j], &Volt_Val);
|
|
fprintf(svfile, "%4.4f\t", Volt_Val);
|
|
if(j%ChnCount == ChnCount-1)
|
|
fprintf(svfile, "\n");
|
|
}
|
|
}
|
|
|
|
printf("Press any key to exit.\n");
|
|
getch();
|
|
fclose(svfile);
|
|
AI_ContBufferReset(card);
|
|
Release_Card(card);
|
|
|
|
return;
|
|
}
|