/// <summary>Initialises a new parallel output port</summary>
/// <param name="Module">The object of the main chain</param>
/// <param name="StartBit">The first bit to write</param>
/// <param name="BitCount">The amount of bits to write</param>
/// <param name="Inverted">When true, bits will be inverted</param>
public Mcp23017ParallelOut(Mcp23017 Module, uint StartBit, uint BitCount, bool Inverted)
{
this._Module = Module;
this._StartBit = StartBit;
this._BitCount = BitCount;
this._Inverted = Inverted;
}
public static void Main()
{
// The Adafruit LCD Shield uses a MCP23017 IC as multiplex chip
Mcp23017 Mux = new Mcp23017();
// Pins 0 to 4 on the Mux-chip are connected to the buttons
IGPIPort ButtonSelect = Mux.Pins[0];
IGPIPort ButtonRight = Mux.Pins[1];
IGPIPort ButtonDown = Mux.Pins[2];
IGPIPort ButtonUp = Mux.Pins[3];
IGPIPort ButtonLeft = Mux.Pins[4];
// Enables pull-ups for all the buttons
for (int i = 0; i < 5; ++i)
{
Mux.EnablePullup(i, true);
Mux.Pins[i].InvertReadings = true;
}
// Pins 6 to 8 on the Mux-chip are for the backlight
IGPOPort Red = Mux.Pins[6]; // Red backlight
IGPOPort Green = Mux.Pins[7]; // Green backlight
IGPOPort Blue = Mux.Pins[8]; // Blue backlight
// Pins 9 to 15 are connected to the HD44780 LCD
Hd44780Lcd Display = new Hd44780Lcd(
Data: Mux.CreateParallelOut(9, 4),
ClockEnablePin: Mux.Pins[13],
ReadWritePin: Mux.Pins[14],
RegisterSelectPin: Mux.Pins[15]
);
// Initializes the game
Games.HD44780_Snake.Init(Display, ButtonSelect, ButtonLeft, ButtonRight, ButtonUp, ButtonDown);
// Turn on blue backlight
Blue.Write(false); Red.Write(true); Green.Write(true);
// Display splash
Games.HD44780_Snake.Splash();
// Wait 5 sec.
Thread.Sleep(5000);
// Turn on green backlight
Blue.Write(true); Red.Write(true); Green.Write(false);
// Starts the game
try
{
Games.HD44780_Snake.Start();
} catch (Exception e) {
Display.ClearDisplay();
Display.Write(e.Message);
}
// Turn on red backlight
Blue.Write(true); Red.Write(false); Green.Write(true);
}
/// <summary>Initialises a new parallel output port</summary>
/// <param name="Module">The object of the main chain</param>
/// <param name="StartBit">The first bit to write</param>
/// <param name="BitCount">The amount of bits to write</param>
/// <param name="Inverted">When true, bits will be inverted</param>
public Mcp23017ParallelOut(Mcp23017 Module, uint StartBit, uint BitCount, bool Inverted)
{
this._Module = Module;
this._StartBit = StartBit;
this._BitCount = BitCount;
this._Inverted = Inverted;
}
/// <summary>
/// Defines a Tristate Port
/// </summary>
/// <param name="Module">The object of the main chip</param>
/// <param name="PinNo">The number of the pin</param>
public Mcp23017Port(Mcp23017 Module, int PinNo)
{
this._Module = Module;
this._PinNo = PinNo;
}
public static void Main()
{
// The Adafruit LCD Shield uses a MCP23017 IC as multiplex chip
Mcp23017 Mux = new Mcp23017();
// Pins 0 to 4 on the Mux-chip are connected to the buttons
IGPIPort ButtonSelect = Mux.Pins[0];
IGPIPort ButtonRight = Mux.Pins[1];
IGPIPort ButtonDown = Mux.Pins[2];
IGPIPort ButtonUp = Mux.Pins[3];
IGPIPort ButtonLeft = Mux.Pins[4];
// Enables pull-ups for all the buttons
for (int i = 0; i < 5; ++i)
{
Mux.EnablePullup(i, true);
Mux.Pins[i].InvertReadings = true;
}
// Pins 6 to 8 on the Mux-chip are for the backlight
Mux.Pins[6].Write(false); // Red backlight
Mux.Pins[7].Write(true); // Green backlight
Mux.Pins[8].Write(true); // Blue backlight
// Pins 9 to 15 are connected to the HD44780 LCD
Hd44780Lcd Display = new Hd44780Lcd(
Data: Mux.CreateParallelOut(9, 4),
ClockEnablePin: Mux.Pins[13],
ReadWritePin: Mux.Pins[14],
RegisterSelectPin: Mux.Pins[15]
);
// Pressing the Select-button will shift through these colors
bool[][] Colors = new bool[][] {
new bool[3] { false, true, true },
new bool[3] { true, false, true },
new bool[3] { true, true, false },
new bool[3] { false, false, true },
new bool[3] { false, true, false },
new bool[3] { true, false, false },
};
int ColorIndex = 0;
// Fills up the display
Display.ClearDisplay();
Display.Write("Left: ? Down: ?");
Display.ChangePosition(1, 0);
Display.Write("Right: ? Up: ?");
// Loops infinitely
bool SelectPressed = false;
while (true)
{
Display.ChangePosition(0, 7); Display.Write(ButtonLeft.Read() ? "1" : "0");
Display.ChangePosition(1, 7); Display.Write(ButtonRight.Read() ? "1" : "0");
Display.ChangePosition(0, 15); Display.Write(ButtonDown.Read() ? "1" : "0");
Display.ChangePosition(1, 15); Display.Write(ButtonUp.Read() ? "1" : "0");
// Handles the Select button
if (ButtonSelect.Read())
{
if (!SelectPressed)
{
SelectPressed = true;
++ColorIndex;
if (ColorIndex == Colors.Length) ColorIndex = 0;
Mux.Pins[6].Write(Colors[ColorIndex][0]);
Mux.Pins[7].Write(Colors[ColorIndex][1]);
Mux.Pins[8].Write(Colors[ColorIndex][2]);
}
}
else
SelectPressed = false;
}
}
/// <summary>
/// Defines a Tristate Port
/// </summary>
/// <param name="Module">The object of the main chip</param>
/// <param name="PinNo">The number of the pin</param>
public Mcp23017Port(Mcp23017 Module, int PinNo)
{
this._Module = Module;
this._PinNo = PinNo;
}
