Example #1
0
        /// <summary>
        /// Initializes a new 1-wire master
        /// </summary>
        /// <typeparam name="T">Type of the master to be initialized.</typeparam>
        /// <param name="masterAddress">I2C address of the 1-wire master.</param>
        /// <param name="i2cController">Name of the I2C controller to which the 1-wire master is connected.</param>
        public void InitMaster <T>(byte masterAddress, string i2cController = "I2C1") where T : IOneWireMaster, new()
        {
            //Verbindung zum I²C-Buscontroller
            string aqs = I2cDevice.GetDeviceSelector(i2cController);
            var    deviceInformation = DeviceInformation.FindAllAsync(aqs).AsTask().Result;

            //Verbindung zum OneWire Master einrichten und herstellen
            var masterSettings = new I2cConnectionSettings(masterAddress)
            {
                BusSpeed = I2cBusSpeed.FastMode
            };
            var i2cDevice = I2cDevice.FromIdAsync(deviceInformation[0].Id, masterSettings).AsTask().Result;

            m_Master = new T();
            m_Master.Init(i2cDevice);

            try
            {
                m_Master.OneWireReset();
            }
            catch (Exception ex)
            {
                throw new Exception("1-wire master not found!", ex);
            }
        }
Example #2
0
        private void GetOneWireDevices(IOneWireMaster master, int oneWireChannel)
        {
            var first          = true;
            var deviceDetected = master.OneWireReset();  //prüfen, ob Geräte erkannt

            if (deviceDetected)
            {
                var result = true;
                do
                {
                    if (first)
                    {
                        first  = false;
                        result = master.OneWireFirst();
                    }
                    else
                    {
                        result = master.OneWireNext();
                    }

                    if (result)
                    {
                        foreach (byte code in Enum.GetValues(typeof(FamilyCode)))
                        {
                            if (code == master.RomNo[0])
                            {
                                Type slaveType = ((FamilyCode)code).GetSlaveType();
                                var  slave     = (IOneWireSlave)Activator.CreateInstance(slaveType);

                                byte[] slaveRomNo = new byte[8];
                                Array.Copy(master.RomNo, slaveRomNo, 8);

                                slave.OneWireAddress = slaveRomNo;
                                slave.Master         = master;

                                m_SlaveContainers.Add(new SlaveContainer(slave, oneWireChannel));
                            }
                        }
                    }
                } while (result);
            }
        }