/// <summary>Constructs a new instance.</summary>
/// <param name="Pin9OnGSocket">Backlight pin.</param>
/// <param name="Pin3OnISocket">Interrupt pin for capacitive touch panel (i2c).</param>
public DisplayDriver43(int BacklightPin)
{
i2CController = I2cController.GetDefault();
gpioController = GpioController.GetDefault();
this.backlightPin = gpioController.OpenPin(BacklightPin);
this.backlightPin.SetDriveMode(GpioPinDriveMode.Output);
BacklightEnabled = true;
SetupCapacitiveTouchController();
ConfigureDisplay();
//this.backlightPin = GpioPinFactory.Create(gSocket, Socket.Pin.Nine, true, this);
}
public LcdRgbBacklight()
{
var settings = new I2cConnectionSettings((0x7c >> 1));
settings.SharingMode = I2cSharingMode.Shared;
settings.BusSpeed = I2cBusSpeed.FastMode;
//string aqs = I2cDevice.GetDeviceSelector("I2C1");
DisplayDevice = I2cController.GetDefault().GetDevice(settings);
settings = new I2cConnectionSettings((0xc4 >> 1));
settings.SharingMode = I2cSharingMode.Shared;
settings.BusSpeed = I2cBusSpeed.FastMode;
BacklightDevice = I2cController.GetDefault().GetDevice(settings);
////////////////////////////////////
// get the display going
//byte cols = 6;
byte lines = 2;
byte dotsize = 0;
if (lines > 1)
{
_displayfunction |= 0x08;// LCD_2LINE;
}
_numlines = lines;
_currline = 0;
// for some 1 line displays you can select a 10 pixel high font
if ((dotsize != 0) && (lines == 1))
{
_displayfunction |= 0x04;// LCD_5x10DOTS;
}
// SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
// according to datasheet, we need at least 40ms after power rises above 2.7V
// before sending commands. Arduino can turn on way befer 4.5V so we'll wait 50
//delayMicroseconds(50000);
Thread.Sleep(50);
// this is according to the hitachi HD44780 datasheet
// page 45 figure 23
// Send function set command sequence
command((byte)(LCD_FUNCTIONSET | _displayfunction));
//delayMicroseconds(4500); // wait more than 4.1ms
Thread.Sleep(5);
// second try
command((byte)(LCD_FUNCTIONSET | _displayfunction));
//delayMicroseconds(150);
Thread.Sleep(1);
// third go
command((byte)(LCD_FUNCTIONSET | _displayfunction));
// finally, set # lines, font size, etc.
command((byte)(LCD_FUNCTIONSET | _displayfunction));
// turn the display on with no cursor or blinking default
_displaycontrol = (byte)(LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF);
EnableDisplay(true);
// clear it off
Clear();
// Initialize to default text direction (for romance languages)
_displaymode = (byte)(LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT);
// set the entry mode
command((byte)(LCD_ENTRYMODESET | _displaymode));
// backlight init
WriteBacklightReg(REG_MODE1, 0);
// set LEDs controllable by both PWM and GRPPWM registers
WriteBacklightReg(REG_OUTPUT, 0xFF);
// set MODE2 values
// 0010 0000 -> 0x20 (DMBLNK to 1, ie blinky mode)
WriteBacklightReg(REG_MODE2, 0x20);
//setColorWhite();
SetBacklightRGB(255, 0, 100);
}