public RGBLCDShield(MCP23017 mcp23017, byte cols = 16, byte rows = 2, byte dotsize = 0)
{
this.mcp23017 = mcp23017;
this.displayFunction = 0x0;
// initialize the MCP23017 for this board
mcp23017.PinMode(8, MCP23017.Direction.Output);
mcp23017.PinMode(6, MCP23017.Direction.Output);
mcp23017.PinMode(7, MCP23017.Direction.Output);
//SetBacklight(BacklightColor.White);
mcp23017.PinMode(rsPin, MCP23017.Direction.Output);
mcp23017.PinMode(rwPin, MCP23017.Direction.Output);
mcp23017.PinMode(enablePin, MCP23017.Direction.Output);
for (int i = 0; i < dataPins.Length; i++)
{
mcp23017.PinMode(dataPins[i], MCP23017.Direction.Output);
}
for (int i = 0; i < buttonPins.Length; i++)
{
mcp23017.PinMode(buttonPins[i], MCP23017.Direction.Input);
mcp23017.PullUp(buttonPins[i], 0x01);
}
Thread.Sleep(50);
mcp23017.DigitalWrite(rsPin, 0x00);
mcp23017.DigitalWrite(enablePin, 0x00);
mcp23017.DigitalWrite(rwPin, 0x00);
// put the LCD screen into 4 bit mode
Write4Bits(0x03);
Thread.Sleep(5);
Write4Bits(0x03);
Thread.Sleep(1);
Write4Bits(0x03);
Write4Bits(0x02);
this.displayFunction = DisplayFunction.LCD_2LINE | DisplayFunction.LCD_4BITMODE | DisplayFunction.LCD_5x8DOTS;
command((byte)((byte)Commands.LCD_FUNCTIONSET | (byte)this.displayFunction));
this.displayControl = DisplayControl.LCD_DISPLAYON | DisplayControl.LCD_CURSOROFF | DisplayControl.LCD_BLINKOFF;
Display();
Clear();
this.displayMode = DisplayMode.LCD_ENTRYLEFT | DisplayMode.LCD_ENTRYSHIFTDECREMENT;
command((byte)((byte)Commands.LCD_ENTRYMODESET | (byte)this.displayMode));
}
public RGBLCDShield(MCP23017 mcp23017, byte cols = 16, byte rows = 2, byte dotsize = 0)
{
this.mcp23017 = mcp23017;
this.displayFunction = 0x0;
// initialize the MCP23017 for this board
mcp23017.PinMode(8, MCP23017.Direction.Output);
mcp23017.PinMode(6, MCP23017.Direction.Output);
mcp23017.PinMode(7, MCP23017.Direction.Output);
//SetBacklight(BacklightColor.White);
mcp23017.PinMode(rsPin, MCP23017.Direction.Output);
mcp23017.PinMode(rwPin, MCP23017.Direction.Output);
mcp23017.PinMode(enablePin, MCP23017.Direction.Output);
for (int i = 0; i < dataPins.Length; i++) mcp23017.PinMode(dataPins[i], MCP23017.Direction.Output);
for (int i = 0; i < buttonPins.Length; i++)
{
mcp23017.PinMode(buttonPins[i], MCP23017.Direction.Input);
mcp23017.PullUp(buttonPins[i], 0x01);
}
Thread.Sleep(50);
mcp23017.DigitalWrite(rsPin, 0x00);
mcp23017.DigitalWrite(enablePin, 0x00);
mcp23017.DigitalWrite(rwPin, 0x00);
// put the LCD screen into 4 bit mode
Write4Bits(0x03);
Thread.Sleep(5);
Write4Bits(0x03);
Thread.Sleep(1);
Write4Bits(0x03);
Write4Bits(0x02);
this.displayFunction = DisplayFunction.LCD_2LINE | DisplayFunction.LCD_4BITMODE | DisplayFunction.LCD_5x8DOTS;
command((byte)((byte)Commands.LCD_FUNCTIONSET | (byte)this.displayFunction));
this.displayControl = DisplayControl.LCD_DISPLAYON | DisplayControl.LCD_CURSOROFF | DisplayControl.LCD_BLINKOFF;
Display();
Clear();
this.displayMode = DisplayMode.LCD_ENTRYLEFT | DisplayMode.LCD_ENTRYSHIFTDECREMENT;
command((byte)((byte)Commands.LCD_ENTRYMODESET | (byte)this.displayMode));
}
private void write(byte[] value, bool mode)
{
mcp23017.DigitalWrite(rsPin, (byte)(mode ? 0x00 : 0x01));
for (int i = 0; i < value.Length; i++)
{
Write4Bits(value[i] >> 4);
Write4Bits(value[i] & 0x0f);
}
}