private static Hd44780Configuration LoadMcp23008Configuration(IEnumerable <string> args) { var addressText = args.SkipWhile(s => !String.Equals(s, "mcp23008", StringComparison.InvariantCultureIgnoreCase)).Skip(1).DefaultIfEmpty("0x20").First(); var address = addressText.StartsWith("0x", StringComparison.InvariantCultureIgnoreCase) ? Int32.Parse(addressText.Substring(2), NumberStyles.HexNumber) : Int32.Parse(addressText); const Mcp23008Pin registerSelectPin = Mcp23008Pin.Pin1; const Mcp23008Pin clockPin = Mcp23008Pin.Pin2; const Mcp23008Pin backlightPin = Mcp23008Pin.Pin7; var dataPins = new[] { Mcp23008Pin.Pin3, Mcp23008Pin.Pin4, Mcp23008Pin.Pin5, Mcp23008Pin.Pin6 }; Console.WriteLine(); Console.WriteLine("Using I2C connection over MCP23008 Expander"); Console.WriteLine("\tRegister Select: {0}", registerSelectPin); Console.WriteLine("\tClock: {0}", clockPin); Console.WriteLine("\tData 1: {0}", dataPins[0]); Console.WriteLine("\tData 2: {0}", dataPins[1]); Console.WriteLine("\tData 3: {0}", dataPins[2]); Console.WriteLine("\tData 4: {0}", dataPins[3]); Console.WriteLine("\tBacklight: {0}", backlightPin); Console.WriteLine("\tRead/write: GND"); Console.WriteLine(); const ConnectorPin sdaPin = ConnectorPin.P1Pin03; const ConnectorPin sclPin = ConnectorPin.P1Pin05; var driver = new I2cDriver(sdaPin.ToProcessor(), sclPin.ToProcessor()) { ClockDivider = 512 }; var connection = new Mcp23008I2cConnection(driver.Connect(address)); var retVal = new Hd44780Configuration(driver) { Pins = new Hd44780Pins( connection.Out(registerSelectPin), connection.Out(clockPin), dataPins.Select(pin => (IOutputBinaryPin)connection.Out(pin))) }; retVal.Pins.Backlight = connection.Out(backlightPin); return(retVal); }
private static Hd44780Configuration LoadMcp23008Configuration(IEnumerable<string> args) { var addressText = args.SkipWhile(s => !String.Equals(s, "mcp23008", StringComparison.InvariantCultureIgnoreCase)).Skip(1).DefaultIfEmpty("0x20").First(); var address = addressText.StartsWith("0x", StringComparison.InvariantCultureIgnoreCase) ? Int32.Parse(addressText.Substring(2), NumberStyles.HexNumber) : Int32.Parse(addressText); const Mcp23008Pin registerSelectPin = Mcp23008Pin.Pin1; const Mcp23008Pin clockPin = Mcp23008Pin.Pin2; const Mcp23008Pin backlightPin = Mcp23008Pin.Pin7; var dataPins = new[] { Mcp23008Pin.Pin3, Mcp23008Pin.Pin4, Mcp23008Pin.Pin5, Mcp23008Pin.Pin6 }; Console.WriteLine(); Console.WriteLine("Using I2C connection over MCP23008 Expander"); Console.WriteLine("\tRegister Select: {0}", registerSelectPin); Console.WriteLine("\tClock: {0}", clockPin); Console.WriteLine("\tData 1: {0}", dataPins[0]); Console.WriteLine("\tData 2: {0}", dataPins[1]); Console.WriteLine("\tData 3: {0}", dataPins[2]); Console.WriteLine("\tData 4: {0}", dataPins[3]); Console.WriteLine("\tBacklight: {0}", backlightPin); Console.WriteLine("\tRead/write: GND"); Console.WriteLine(); const ConnectorPin sdaPin = ConnectorPin.P1Pin03; const ConnectorPin sclPin = ConnectorPin.P1Pin05; var driver = new I2cDriver(sdaPin.ToProcessor(), sclPin.ToProcessor()) { ClockDivider = 512 }; var connection = new Mcp23008I2cConnection(driver.Connect(address)); var retVal = new Hd44780Configuration(driver) { Pins = new Hd44780Pins( connection.Out(registerSelectPin), connection.Out(clockPin), dataPins.Select(pin => (IOutputBinaryPin)connection.Out(pin))) }; retVal.Pins.Backlight = connection.Out(backlightPin); return retVal; }