Advantech PCI-1718 Uživatelský manuál stáhnout pdf (Strana 48)

PCI-1718 Series User Manual 40

Example Code:

/********This code supports TurboC 3.0 or later versions********/

#include <stdio.h>

#include <DOS.h>

#define AD_NO 4096; // Number of Samples

int base_addr;

void main(void)

{

int ad_lb,ad_hb; //Declaration

int i;

int eoc;

/****** Access your base address ******/

//Add your code here

/*******************************************/

outportb(base_addr+0x02,0x00); //Set Channel 0

outportb(base_addr+0x01,0x00); //Set A/D range

outportb(base_addr+0x02,0x11); //Set Channel 1

outportb(base_addr+0x01,0x01); //Set A/D range

outportb(base_addr+0x02,0x10); //Scan Channel 0-1

outportb(base_addr+0x09,0x00);

while(i<AD_NO){

outportb(base_addr+0x00,0); //Software Trigger

do {eoc=inportb(base_addr+0x08);

eoc=eoc&0x01;//Get EOC}

while(eoc!=0); //Check EOC

ad_lb=inportb(base_addr+0x00);// A/D LowByte

ad_hb=inportb(base_addr+0x01);// A/D HighByte

i++;

}

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Advantech PCI-1718 Uživatelský manuál Strana 48