File and class renaming

DeviceFamily1D.cs

@@ -0,0 +1,67 @@
+namespace OneWireAPI
+{
+    public class DeviceFamily1D : Device
+    {
+        public DeviceFamily1D(Session session, short[] id)
+            : base(session, id)
+        {
+            // Just call the base constructor
+        }
+
+        public uint GetCounter(int counterPage)
+        {
+            // Select and access the ID of the device we want to talk to
+            Adapter.Select(DeviceId);
+
+            // Data buffer to send over the network
+            var data = new byte[30];
+
+            // How many bytes of data to send
+            short dataCount = 0;
+
+            // Set the "read memory and counter" command into the data array
+            data[dataCount++] = 0xA5;
+
+            // Calculate the position of the last byte in the page
+            var lastByte = (counterPage << 5) + 31;
+
+            // Copy the lower byte of the last byte into the data array
+            data[dataCount++] = (byte) (lastByte & 0xFF);
+
+            // Copy the upper byte of the last byte into the data array
+            data[dataCount++] = (byte) (lastByte >> 8);
+
+            // Add byte for the data byate, counter, zero bits, and CRC16 result
+            for (var i = 0; i < 11; i++) data[dataCount++] = 0xFF;
+
+            // Send the block of data to the device
+            Adapter.SendBlock(data, dataCount);
+
+            // Calculate the CRC based on the data
+            var crcResult = Crc16.Calculate(data, 0, 11);
+
+            // Assemble the CRC provided by the device
+            var matchCrc = data[13] << 8;
+            matchCrc |= data[12];
+            matchCrc ^= 0xFFFF;
+
+            // Make sure the CRC values match
+            if (crcResult != matchCrc)
+            {
+                // Throw a CRC exception
+                throw new OneWireException(OneWireException.ExceptionFunction.Crc, DeviceId);
+            }
+
+            uint counter = 0;
+
+            // Assemble the counter data from the bytes retrieved
+            for (var i = dataCount - 7; i >= dataCount - 10; i--)
+            {
+                counter <<= 8;
+                counter |= data[i];
+            }
+
+            return counter;
+        }
+    }
+}