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85 lines
2.3 KiB
85 lines
2.3 KiB
4 weeks ago
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#include <windows.h>
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#include <stdio.h>
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#include <conio.h>
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#include "dask.h"
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#define DataSize 2000
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#define sample_rate 10000
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U32 read_count=DataSize;
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U32 viewAddr, MemSize=0, Db_buf[2], *InBuf;
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main()
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{
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I16 card, err, card_num;
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U32 i;
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BOOLEAN halfReady;
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U32 count=0, count1;
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U16 buffer_idx=0;
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printf("Please input a card number: ");
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scanf(" %d", &card_num);
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//getch();
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if ((card=Register_Card (PCI_7200, card_num)) <0 ) {
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printf("Register_Card error=%d\n", card);
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exit(1);
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}
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//here to get the starting addresses of two driver DB buffers
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err = DI_GetView(card, &viewAddr); //viewAddr : driver buffer
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if (err!=0) {
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printf("DI_GetView error=%d", err);
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exit(1);
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}
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err = DI_InitialMemoryAllocated (card, &MemSize);//get driver buffer size
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if (err!=0) {
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printf("DI_InitialMemoryAllocated error=%d", err);
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exit(1);
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}
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Db_buf[0] = viewAddr; //1st DB buffer address
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Db_buf[1] = viewAddr + (MemSize*1024/2); //2nd DB buffer address
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err = DI_7200_Config(card, TRIG_INT_PACER, DI_NOWAITING, DI_TRIG_FALLING, IREQ_FALLING);
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if (err!=0) {
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printf("DI_7200_Config error=%d", err);
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exit(1);
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}
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err = DI_AsyncDblBufferMode(card, 1);
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if (err!=0) {
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printf("DI_DblBufferMode error=%d", err);
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exit(1);
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}
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err = DI_ContReadPort(card, 0, 0, read_count, (F64)sample_rate, ASYNCH_OP);
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if (err!=0) {
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printf("DI_ContReadPort error=%d", err);
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exit(1);
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}
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printf("\n\nPress any key to stop input operation.");
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buffer_idx = 0;
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printf("\nscale and print out the first 4 data\n");
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printf("-------------------------------------\n");
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do {
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do {
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DI_AsyncDblBufferHalfReady(card, &halfReady);
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} while (!halfReady);
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//DI_AsyncDblBufferTransfer(card, NULL); //this function is not needed
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//DB_buf[buffer_idx] : the ready buffer address
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InBuf = (U32 *) Db_buf[buffer_idx];
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//fetch and handle the data
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{
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#define ShowSize 4
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if(buffer_idx)
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printf("2nd buffer ready\n");
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else
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printf("1st buffer ready\n");
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for(i=0; i<ShowSize; i++)
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printf(" 0x%+8X ", InBuf[i]);
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printf("\n");
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}
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buffer_idx = (buffer_idx+1)%2;
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} while(!kbhit());
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DI_AsyncClear(card, &count);
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Release_Card(card);
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printf("\nPress ENTER to exit the program. "); getch();
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}
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