Example of accessing the static Device class

MeadowStaticDevice.cs

using System;
using System.Threading.Tasks;
using Meadow.Foundation;
using Meadow.Foundation.Displays.Tft;
using Meadow.Foundation.Graphics;
using Meadow.Hardware;

namespace Therm
{
    /// <summary>
    /// This controller is in charge of the physical display, including rendering.
    ///
    /// It's also wired up to handle input on the display in the future that may
    /// change the desired climate.
    /// </summary>
    public class DisplayController
    {
       ....

        // internals
        protected ISpiBus _spiBus;
        protected ST7789 _display;
        protected GraphicsLibrary _graphics;

        public DisplayController()
        {
            InitializeDisplay();
        }

        /// <summary>
        /// intializes the physical display peripheral, as well as the backing
        /// graphics library.
        /// </summary>
        protected void InitializeDisplay()
        {
            // our display needs mode3
            var spiConfig = new SpiClockConfiguration(
                6000,
                SpiClockConfiguration.Mode.Mode3);

            // initialize our SPI bus, with that config
            _spiBus = ThermApp.Device.CreateSpiBus(
                IOMap.DisplaySpiClock.Item2,
                IOMap.DisplayMosi.Item2,
                IOMap.DisplayMiso.Item2,
                spiConfig);

            // new up the actual display on the SPI bus
            _display = new ST7789(
                device: ThermApp.Device,
                spiBus: _spiBus,
                chipSelectPin: null,
                dcPin: IOMap.DisplayDCPin.Item2,
                resetPin: IOMap.DisplayResetPin.Item2,
                width: 240, height: 240);

            // create our graphics surface that we'll draw onto and then blit
            // to the display with.
            _graphics = new GraphicsLibrary(_display);

            // my display is upside down
            _graphics.CurrentRotation = GraphicsLibrary.Rotation._180Degrees;

            Console.WriteLine("Clear display");

            // finally, clear the display so it's ready for action
            _graphics.Clear(true);
        }
        
        ...

    }
}