static void InitDisplay()
{
// Display Get Ready ////////////////////////////////////
var spi = SpiController.FromName(FEZBit.SpiBus.Display);
var gpio = GpioController.GetDefault();
st7735 = new ST7735Controller(
spi.GetDevice(ST7735Controller.GetConnectionSettings
(SpiChipSelectType.Gpio, GpioController.GetDefault().OpenPin(FEZBit.GpioPin.DisplayCs))), //CS pin.
gpio.OpenPin(FEZBit.GpioPin.DisplayRs), //RS pin.
gpio.OpenPin(FEZBit.GpioPin.DisplayReset) //RESET pin.
);
var backlight = gpio.OpenPin(FEZBit.GpioPin.Backlight);
backlight.SetDriveMode(GpioPinDriveMode.Output);
backlight.Write(GpioPinValue.High);
st7735.SetDataAccessControl(true, true, false, false); //Rotate the screen.
st7735.SetDrawWindow(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
st7735.Enable();
// Create flush event
Graphics.OnFlushEvent += Graphics_OnFlushEvent;;
// Create bitmap buffer
screen = Graphics.FromImage(new Bitmap(SCREEN_WIDTH, SCREEN_HEIGHT));
font12 = Resource.GetFont(Resource.FontResources.droid_reg12);
screen.Clear();
screen.DrawRectangle(new Pen(new SolidBrush(Color.White)), 10, 10, SCREEN_WIDTH - 20, SCREEN_HEIGHT - 20);
screen.DrawString("FEZ Bit", font12, new SolidBrush(Color.Red), 55, 30);
screen.DrawString("SITCore", font12, new SolidBrush(Color.Green), 50, 50);
screen.DrawString("GHI Electronics", font12, new SolidBrush(Color.Blue), 25, 70);
screen.Flush();
}
public static void InitializeDisplay()
{
var spi = SpiController.FromName(SC20100.SpiBus.Spi4);
var gpio = GpioController.GetDefault();
DisplayController = new ST7735Controller(
spi.GetDevice(ST7735Controller.GetConnectionSettings(SpiChipSelectType.Gpio, gpio.OpenPin(SC20100.GpioPin.PD10))), // ChipSelect
gpio.OpenPin(SC20100.GpioPin.PC4), // Pin RS
gpio.OpenPin(SC20100.GpioPin.PE15) // Pin RESET
);
var bl = gpio.OpenPin(SC20100.GpioPin.PA15); // back light
bl.Write(GpioPinValue.High);
bl.SetDriveMode(GpioPinDriveMode.Output);
DisplayController.SetDataAccessControl(true, true, false, false); //Rotate the screen.
DisplayController.SetDrawWindow(0, 0, Width, Height);
DisplayController.Enable();
// Create flush event
Graphics.OnFlushEvent += Graphics_OnFlushEvent;
}
public static void Main()
{
var spi = SpiController.FromName(G80.SpiBus.Spi2);
var gpio = GpioController.GetDefault();
var st7735 = new ST7735Controller(spi.GetDevice(ST7735Controller.GetConnectionSettings(SpiChipSelectType.Gpio, G80.GpioPin.PD10)), gpio.OpenPin(G80.GpioPin.PE10), gpio.OpenPin(G80.GpioPin.PE12));
st7735.SetDataAccessControl(true, true, false, false);
st7735.Enable();
var disp = DisplayController.FromProvider(st7735);
disp.SetConfiguration(new SpiDisplayControllerSettings {
Width = 160, Height = 128
});
var bl = gpio.OpenPin(G80.GpioPin.PC7);
bl.Write(GpioPinValue.High);
bl.SetDriveMode(GpioPinDriveMode.Output);
var hdc = GraphicsManager.RegisterDrawTarget(new DrawTarget(disp));
var screen = Graphics.FromHdc(hdc);
var rnd = new Random();
var x = rnd.Next(160);
var y = rnd.Next(128);
var vx = rnd.Next(20) - 10;
var vy = rnd.Next(20) - 10;
var color = new Pen(Color.Green);
var teal = new SolidBrush(Color.Teal);
// This is a special built-in font for simple SPI displays
var font = new Font("GHIMono8x5", 8);
while (true)
{
x += vx;
y += vy;
if (x >= 160 || x < 0)
{
vx *= -1;
}
if (y >= 128 || y < 0)
{
vy *= -1;
}
screen.Clear(Color.Black);
screen.DrawString("Hello World!", font, teal, 40, 10);
screen.DrawEllipse(color, x, y, 10, 10);
screen.Flush();
Thread.Sleep(10);
}
}
/// <summary>
/// Constructor of TftDisplayShield
/// </summary>
/// <param name="i2CBus">Id of I2C bus</param>
/// <param name="spiBus">Id of Spi bus</param>
/// <param name="pinChipSelect">Id of ChipSelect pin (D10)</param>
/// <param name="pinDataCommand">Id of control pin (D8)</param>
/// <param name="bgrPanel">if true display is BGR panel, else it is RGB panel</param>
public TftDisplayShield(string i2CBus, string spiBus, GpioPin pinChipSelect, GpioPin pinDataCommand, bool bgrPanel = false) : base(i2CBus, Address)
{
_bgrPanel = bgrPanel;
PinMode(ResetPin, GpioPinDriveMode.Output);
PinModeBulk(Button.All, GpioPinDriveMode.InputPullUp);
SetBackLight(BackLightOff);
ResetTft();
var spi = SpiController.FromName(spiBus);
var spiConnectionString = ST7735Controller.GetConnectionSettings(SpiChipSelectType.Gpio, pinChipSelect);
_st7735Controller = new ST7735Controller(spi.GetDevice(spiConnectionString), pinDataCommand);
_st7735Controller.Enable();
Graphics.OnFlushEvent += Graphics_OnFlushEvent;
_oldState = ReadButtons() ^ Button.All;
}
public static void Main()
{
// Get the display ready
var spi = SpiController.FromName(G80.SpiBus.Spi2);
var gpio = GpioController.GetDefault();
var st7735 = new ST7735Controller(spi.GetDevice(ST7735Controller.GetConnectionSettings(SpiChipSelectType.Gpio, G80.GpioPin.PD10)), gpio.OpenPin(G80.GpioPin.PE10), gpio.OpenPin(G80.GpioPin.PE12));
st7735.SetDataAccessControl(true, true, false, false);
st7735.Enable();
var disp = DisplayController.FromProvider(st7735);
disp.SetConfiguration(new SpiDisplayControllerSettings {
Width = 160, Height = 128
});
var bl = gpio.OpenPin(G80.GpioPin.PC7);
bl.Write(GpioPinValue.High);
bl.SetDriveMode(GpioPinDriveMode.Output);
var hdc = GraphicsManager.RegisterDrawTarget(new DrawTarget(disp));
screen = Graphics.FromHdc(hdc);
screen.Clear(Color.Black);
var btn1 = gpio.OpenPin(G80.GpioPin.PE0);
btn1.SetDriveMode(GpioPinDriveMode.InputPullUp);
btn1.ValueChanged += Btn1_ValueChanged;
// Serial port
serial = UartController.FromName(G80.UartPort.Usart1);
serial.SetActiveSettings(9600, 8, UartParity.None, UartStopBitCount.One, UartHandshake.None);
serial.Enable();
serial.DataReceived += Serial_DataReceived;
Thread.Sleep(Timeout.Infinite);
}