/* Get Analog input for i8k modules and put its value to share memory .
   Author: Jerry Chiu

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */

/*
    File level history (record changes for this file here.).
    2010.11.09 JerryChiu
        - Get Analog Input from i-8017HW and put its value to shared memory

*/

#include <stdio.h>
#include "icpdas_mbs.h"
#include "msw.h"
//
int main(int argc, char **argv) {
    int RetValue,slot,channel,gain,mode;
    float f ;
    unsigned long l;
    slot=3;
    channel=0;
    gain=0;
    mode=0;
    /* OPEN Share Memory */
    SHM_INIT(AI,2000);
    /* open device file */
    RetValue = Open_Slot(slot);
    if (RetValue >0) {
        printf("open Slot %d failed!\n",slot);
        return FAILURE;
    }

    RetValue=I8017_Init(slot);
    I8017_SetChannelGainMode(slot,channel,gain,mode);
    while (1) {
        /* Get AI Value */
        f=I8017_GetCurAdChannel_Float_Cal(slot);
        
        l = *((unsigned long *)&f);
        /* Float inverse (Big-Endian) , depends on your SCADA */
        /* iMemory_AI[0]=*((short *)&l+1);
           iMemory_AI[1]=*((short *)&l);  */

        /* Float (Little-Endian) */
        iMemory_AI[0]=*((short *)&l);
        iMemory_AI[1]=*((short *)&l+1);
        printf("%f\n",f);
//        printf(""
        usleep(100);
    }

    Close_Slot(slot);
    return 0;
}