Seeed Studio Circular LED & TinyCLR OS

babylette.cs

http://wiki.seeedstudio.com/wiki/Grove_-_Circular_LED
http://wiki.seeedstudio.com/images/7/72/Circular_LED_v0.9b.pdf
http://www.my-semi.com/file/MY9221_BF_0.7.pdf

 

using System;
using System.Threading;
using GHIElectronics.TinyCLR.Devices.Gpio;
using GHIElectronics.TinyCLR.Pins;
 

namespace babylette

{

    public class Program
    {
        static GpioController GPIO = GpioController.GetDefault();
        static GpioPin ClockPin = GPIO.OpenPin(FEZPandaIII.Gpio.D7);
        static GpioPin DataPin = GPIO.OpenPin(FEZPandaIII.Gpio.D6);
        static ushort CmdMode = 0;
        static void Send16bit(ushort data)

        {
            for (int i = 0; i < 16; i++)
            {
                if ((data & 0x8000) > 0)

                    DataPin.Write(GpioPinValue.High);

                else

                    DataPin.Write(GpioPinValue.Low);

 

                if (ClockPin.Read() == GpioPinValue.High)

                    ClockPin.Write(GpioPinValue.Low);

                else

                    ClockPin.Write(GpioPinValue.High);

                data <<= 1;

                //Thread.Sleep(1);

            }

        }

 

        static void WriteLEDs(ushort[] leds)

        {

            Send16bit(CmdMode);

            Thread.Sleep(1);

 

            if (ClockPin.Read() == GpioPinValue.High)

                ClockPin.Write(GpioPinValue.Low);

            else

                ClockPin.Write(GpioPinValue.High);

 

            if (ClockPin.Read() == GpioPinValue.High)

                ClockPin.Write(GpioPinValue.Low);

            else

                ClockPin.Write(GpioPinValue.High);

            if (ClockPin.Read() == GpioPinValue.High)

                ClockPin.Write(GpioPinValue.Low);

            else

                ClockPin.Write(GpioPinValue.High);

            if (ClockPin.Read() == GpioPinValue.High)

                ClockPin.Write(GpioPinValue.Low);

            else

                ClockPin.Write(GpioPinValue.High);

            for (int count = 0; count < 12; count++)

            {

                Send16bit( leds[count]);

            }

           

            Send16bit(CmdMode);

            //Thread.Sleep(1);

 

 

            if (ClockPin.Read() == GpioPinValue.High)

                ClockPin.Write(GpioPinValue.Low);

            else

                ClockPin.Write(GpioPinValue.High);

 

            for (int count = 12; count < 24; count++)

            {

                Send16bit( leds[count]);

            }

 

            //latch

            //Thread.Sleep(10);

            for (int i = 0; i < 8; i++)

            {

                //Thread.Sleep(1);

                if (DataPin.Read() == GpioPinValue.High)

                    DataPin.Write(GpioPinValue.Low);

                else

                    DataPin.Write(GpioPinValue.High);

                //Thread.Sleep(1);

            }

        }

 

        public static void Main()

        {

            ClockPin.SetDriveMode(GpioPinDriveMode.Output);

            DataPin.SetDriveMode(GpioPinDriveMode.Output);

            //ClockPin.Write(GpioPinValue.h);

            //DataPin.Write(GpioPinValue.Low);

 

           

            ushort[] leds = new ushort[24];// 24 LEDs

            int k = 0;

            while (true)

            {

                //Array.Clear(leds, 0, leds.Length);

 

                if (leds[k] > 0)

                    leds[k] = 0;

                else

                    leds[k] = 0x0f;

 

                k++;

                if (k == 24)

                    k = 0;

 

                WriteLEDs(leds);

                Thread.Sleep(30);

            }

        }

    }

}