using System;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using Microsoft.SPOT;
using Microsoft.SPOT.Hardware;
using SecretLabs.NETMF.Hardware;
using SecretLabs.NETMF.Hardware.Netduino;

namespace Theremin
{
    public class Program
    {
        public static void Main()
        {
            AnalogInput ldr = new AnalogInput(AnalogChannels.ANALOG_PIN_A0);
            PWM buzzer = new PWM(PWMChannels.PWM_PIN_D3, 3000, 0.5, false);
            OutputPort[] leds = {
                new OutputPort(Pins.GPIO_PIN_D9, false),
                new OutputPort(Pins.GPIO_PIN_D8, false),
                new OutputPort(Pins.GPIO_PIN_D10, false),
                new OutputPort(Pins.GPIO_PIN_D7, false),
                new OutputPort(Pins.GPIO_PIN_D11, false),
                new OutputPort(Pins.GPIO_PIN_D6, false),
                new OutputPort(Pins.GPIO_PIN_D12, false),
                new OutputPort(Pins.GPIO_PIN_D5, false),
                new OutputPort(Pins.GPIO_PIN_D13, false),
                new OutputPort(Pins.GPIO_PIN_D4, false)
            };
            
            buzzer.Start();

            while (true)
            {
                double darkness = ldr.Read();
                buzzer.Frequency = 1000 + 3000 * darkness;

                int segmentCount = (int)System.Math.Round(10.0 * darkness);

                for (int i = 0; i < leds.Length; ++i)
                    leds[i].Write(i <= segmentCount);
            }
        }

    }
}