using System;
using System.Threading;         // 追加
using Microsoft.SPOT;
using Microsoft.SPOT.Hardware;  // 追加、参照設定にも追加
using GHI.Pins;
using BoeBotLib;

namespace DustSensorTest
{
    public class Program
    {
        //      OutputPort LED1 = new OutputPort(Pin.PC0, false);
        static DigitalOut LED1 = new DigitalOut(CPU.P22);
            private static Microsoft.SPOT.Hardware.InterruptPort _interruptPort;
        public static void Main()
        {
           // Console.setBaud();
            new Program().main();
        }
        private void main()
        {
            DigitalIn trigger = new DigitalIn(CPU.P06);
            I2CLCD lcd = new I2CLCD(8);
            lcd.setIcon(0x0fff);
            //                   P05
            PWM LED = new PWM(Cpu.PWMChannel.PWM_1, period: 10000, duration: 320,
                scale: PWM.ScaleFactor.Microseconds, invert:false);
            ADcon sensor = new ADcon(CPU.P23);
            LED.Start();
            double coef = 3300.0 / 4096;
            double v = 0,v2=0;
            double alpha=0.01;
            int i = 0;
            while (true)
            {
                while (trigger.Read() == false) ;
                BoeBotLib.Timer.delay(1300);//実測280μs     
                v = v * (1 - alpha) + alpha * sensor.Value;
                if (i++ > 50)
                {
                    String str = (v * coef).ToString();
                    str = str.Substring(0, 5)+" mV";
                    //Debug.Print(str); 
                    lcd.home();
                    lcd.write(str);
                    if (v2 == 0) v2 = v;
                    v2 = v2 * (1 - alpha) + alpha * v;
                    str= (v2 * coef).ToString();
                    str = str.Substring(0, 5);
                    lcd.write(str.Substring(0, 5));
                    i = 0;
                }
                
                LED1.Write(true);
                CPU.delay(1);
                LED1.Write(false);
            }
        }
        static void pwm_OnInterrupt(uint data1, uint data2, DateTime time)
        {
            LED1.Write(!LED1.Value);
            _interruptPort.EnableInterrupt();
        }
    }
}

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