//---------------------------------------------------------------------------
// Copyright (C) 2000 Dallas Semiconductor Corporation, All Rights Reserved.
// 
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// copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included 
// in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
// MERCHANTABILITY,  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
// IN NO EVENT SHALL DALLAS SEMICONDUCTOR BE LIABLE FOR ANY CLAIM, DAMAGES 
// OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 
// OTHER DEALINGS IN THE SOFTWARE.
// 
// Except as contained in this notice, the name of Dallas Semiconductor 
// shall not be used except as stated in the Dallas Semiconductor 
// Branding Policy. 
//---------------------------------------------------------------------------
//
//  getV.c - This utility gets the Volts for pins Vad and Vdd from the DS2438. 
//
//  Version:   2.00
//  History: 

#include <stdio.h>
#include "ownet.h"  
#include "ad26.h"

extern float Volt_Reading(int,int,uchar *);
extern double Get_Temperature(int portnum,uchar *);
extern int  owAcquire(int,char *);
extern void owRelease(int);
extern void output_status(int, char *);
extern int key_abort(void);
extern SMALLINT FindDevices(int,uchar FamilySN[][8],int,int);
extern void  msDelay(int);

#define MAXDEVICES 5
#define ONEKBITADD 0x89


// Global necessary for screenio
int VERBOSE;


//----------------------------------------------------------------------
//  This is the Main routine for debit
//
int main(short argc, char **argv)
{
   char msg[200];
   int portnum = 0;
   float Vdd,Vad;
   double humid,temp;
   int i;
   int numbat;
   uchar famvolt[MAXDEVICES][8];

   // check for required port name
   if (argc != 2)
   {
      sprintf(msg,"1-Wire Net name required on command line!\n"
                  " (example: \"COM1\" (Win32 DS2480),\"/dev/cua0\" "
                  "(Linux DS2480),\"1\" (Win32 TMEX)\n");
      output_status(LV_ALWAYS,msg);
      return 0;
   }

   if(!owAcquire(portnum,argv[1]))
   {
      output_status(LV_ALWAYS,"Failed to acquire port.\n");
      return 0;
   }
   else
   {

      do
      {
         numbat = FindDevices(portnum,&famvolt[0],SBATTERY_FAM,MAXDEVICES);

         for(i=0;i<numbat;i++)
         {
            Vdd = Volt_Reading(portnum,TRUE,&famvolt[0][0]);
            if(Vdd > 5.8)
            {
               Vdd = (float)5.8;
            }
            else if(Vdd < 4.0)
            {
               Vdd = 4.0;
            }

            Vad = Volt_Reading(portnum,FALSE,&famvolt[0][0]);

            temp = Get_Temperature(portnum,&famvolt[0][0]);

            humid = (((Vad/Vdd) - 0.16)/0.0062)/(1.0546 - 0.00216 * temp);
            if(humid > 100)
            {
               humid = 100;
            }
            else if(humid < 0)
            {
               humid = 0;
            }
               
            printf("\n");
            printf("The humidity is:  %4.4f\n", humid);
            printf("Given that the temp was:   %2.2f\n", temp);
            printf("and the volt supply was:   %2.2f\n", Vdd);
            printf("with the volt output was:  %2.2f\n", Vad);
            printf("\n");

         }//for loop
  
      }while(!key_abort());  

      owRelease(portnum);
      output_status(LV_ALWAYS,"Port released.\n");

   }

   return 1;
}