Omega Speaker Systems OME-DB-889D - Manual (Page 23)

5.3 Example Program
DEMO_01.C
/* ============== Using OME-A-822 / connect one OME-DB-889D
=================*/
#include <stdio.h>
#include “A822.h”
main(void)
{int data1,data2;
float vol1,vol2;
A822_Initialize(0,0x220,-1,-1);
/* OME-A-822 Base address in 0x220 ref. OME-A-822 Software manual */
for(;;)
{
/*===============reading OME-DB-889D Channel 0 , Gain =1
=============*/
A822_AD_SetChGainMode(0,0,1);
/* Setup OME-A-822 A/D channel 0, Gain = 1 , Polling mode
*/
A822_DO(0x0010);
/* Send D/O data to OME-DB-889D , Channel 0, Gain=1 */
delay(10); /* delay about 43u sec . Ref. Page 3 Settling time */
data1=A822_AD_PollingVar();
/* Reading OME-A-822 A/D data */
vol1=(float)((data1-2048)*5/2048);
printf(“OME-DB-889D channel 0= %6.4f V\n”,vol1);
/*===========reading OME-DB-889D Channel 1 , Gain=10
===============*/
A822_AD_SetChGainMode(0,0,1);
/* Setup OME-A-822 A/D channel 0, Gain = 1 , Polling mode
*/
OME-DB-889D User’s Manual 21