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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using MAX30205EVKit.Model;
using RPCSupport.Devices;

namespace HealthSensorPlatform.Model
{
    class MAX30205Model : ITemperatureModel
    {
        private I2cDevice i2cDevice; 
        private 
        byte i2cAddress;
        int[] registers = new int[4];

        public MAX30205Model(I2cDevice i2cDevice, byte i2cAddress)
        {
            this.i2cDevice = i2cDevice;
            this.i2cAddress = i2cAddress;
        }

                /* Properties */
        public bool DataFormat
        {
            get
            {
                return ((registers[1] >> 5) & 0x01) == 0x01 ? true : false;
            }
        }

        public int[] Registers
        {
            get
            {
                return registers;
            }
        }

        public void RegWrite(int regAddress, int regValue)
        {

            if ((regAddress == 0x02 || regAddress == 0x03))
            {
                //base.RegWrite(regAddress, new byte[] { (byte)((regValue >> 8) & 0xFF), (byte)(regValue & 0xFF) });
                i2cDevice.WriteRead(1, i2cAddress, new byte[] { (byte)regAddress, (byte)((regValue >> 8) & 0xFF), (byte)(regValue & 0xFF) }, 0);
            }
            else
            {
                //base.RegWrite(regAddress, regValue);
                i2cDevice.WriteReg(1, i2cAddress, (byte)regAddress, (byte)regValue);
            }


            System.Diagnostics.Debug.Print("RegWrite: " + regAddress.ToString("X2") + " " + regValue.ToString("X4"));
        }

        public int RegRead(int regAddress)
        {
            int result;
            byte[] readResult;

            switch (regAddress)
            {
                case 0x00:
                case 0x02:
                case 0x03:
                    readResult = i2cDevice.ReadMultiReg(1, (byte)i2cAddress, (byte)regAddress, 2);//base.RegRead(regAddress, 2);
                    result = readResult[0] << 8 | readResult[1];
                    break;
                default:
                    result = i2cDevice.ReadReg(1, (byte)i2cAddress, (byte)regAddress); //base.RegRead(regAddress, 1);
                    break;
            }

            registers[regAddress] = result;

            System.Diagnostics.Debug.Print("RegRead: " + regAddress.ToString("X2") + " " + result.ToString("X4"));

            return result;
        }
    }
}
