File and class renaming

DeviceFamilyFF.cs

@@ -0,0 +1,173 @@
+namespace OneWireAPI
+{
+    // ReSharper disable once InconsistentNaming
+    public class DeviceFamilyFF : Device
+    {
+        private int _width = 20;
+        private int _height = 4;
+
+        public DeviceFamilyFF(Session session, short[] id)
+            : base(session, id)
+        {
+            // Just call the base constructor
+        }
+
+        public void SetSize(int width, int height)
+        {
+            _width = width;
+            _height = height;
+        }
+
+        public void SetBackLight(bool state)
+        {
+            // Select the device
+            Adapter.Select(DeviceId);
+
+            // Set the state of the backlight
+            Adapter.SendByte((short) (state ? 0x8 : 0x7));
+        }
+
+        public void SetText(string text)
+        {
+            // Line number
+            var lineNumber = 1;
+
+            // Replace any CRLF pairs with just a newline
+            text = text.Replace("\r\n", "\n");
+
+            // Split the input string at any newlines
+            var lines = text.Split("\n".ToCharArray(), _height);
+
+            // Loop over each line
+            foreach (var line in lines)
+            {
+                // Set the text of this line
+                SetText(line, lineNumber++);
+            }
+        }
+
+        public void SetText(string text, int line)
+        {
+            // Position at which to write the new string data
+            short memoryPosition = 0x00;
+
+            // String data to send
+            string sendData;
+
+            // Byte array of data to send
+            byte[] data;
+
+            // Amount of data to send
+            short dataCount = 0;
+
+            // Figure out the initial memory position based on the line number
+            switch (line)
+            {
+                case 1:
+                    memoryPosition = 0x00;
+                    break;
+
+                case 2:
+                    memoryPosition = 0x40;
+                    break;
+
+                case 3:
+                    memoryPosition = 0x14;
+                    break;
+
+                case 4:
+                    memoryPosition = 0x54;
+                    break;
+            }
+
+            // Pad the text to the right width
+            text = text.PadRight(_width);
+
+            // The scratchpad is only 16 bytes long so we need to split it up
+            if (_width > 16)
+            {
+                // Select the device
+                Adapter.Select(DeviceId);
+
+                // Set the data block to just the first 16 characters
+                sendData = text.Substring(0, 16);
+
+                // Initialize the data array
+                data = new byte[18];
+
+                // Set the command to write to the scratchpad 
+                data[dataCount++] = 0x4E;
+
+                // Set the memory position
+                data[dataCount++] = (byte) memoryPosition;
+
+                // Add the text data to the data
+                foreach (var bChar in System.Text.Encoding.Default.GetBytes(sendData))
+                    data[dataCount++] = bChar;
+
+                // Set the block
+                Adapter.SendBlock(data, dataCount);
+
+                // Select the device
+                Adapter.Select(DeviceId);
+
+                // Send the scratchpad data to the LCD
+                Adapter.SendByte(0x48);
+
+                // Reset the device
+                Adapter.Reset();
+
+                // Increment the memory position
+                memoryPosition += 16;
+
+                // Set the data to the rest of the line
+                sendData = text.Substring(16, _width - 16);
+            }
+            else
+            {
+                // Just set the data string to whatever was passed in
+                sendData = text;
+            }
+
+            // Select the device
+            Adapter.Select(DeviceId);
+
+            // Initialize the data array
+            data = new byte[18];
+
+            // Reset the data count
+            dataCount = 0;
+
+            // Set the command to write to the scratchpad 
+            data[dataCount++] = 0x4E;
+
+            // Set the memory position
+            data[dataCount++] = (byte) memoryPosition;
+
+            // Add the text data to the data
+            foreach (var bChar in System.Text.Encoding.Default.GetBytes(sendData))
+                data[dataCount++] = bChar;
+
+            // Set the block
+            Adapter.SendBlock(data, dataCount);
+
+            // Select the device
+            Adapter.Select(DeviceId);
+
+            // Send the scratchpad data to the LCD
+            Adapter.SendByte(0x48);
+
+            // Reset the device
+            Adapter.Reset();
+        }
+
+        public void Clear()
+        {
+            // Select the device
+            Adapter.Select(DeviceId);
+
+            // Clear the display
+            Adapter.SendByte(0x49);
+        }
+    }
+}