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161 pfowler 1 
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace nitdcscore {
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    public abstract class Control {
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        public uint value { get; set; }
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        public Control(Command command) {
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            commands.Add(command);
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        }
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        public List<Command> commands = new List<Command>();
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        public Utils.InputPair data { get; set; }       // The data from the panel
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        public Boolean updated { get; set; }
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        public abstract void Tick();
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    }
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    public class Switch2Pos : Control {
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        public int pin { get; set; }
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        public Boolean invert { get; set; }
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        public Switch2Pos(Command command, int pin, Boolean invert = false) : base(command) {
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            this.invert = invert;
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            this.pin = pin;
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        }
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        public override void Tick() {
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            uint chg = (uint)(data.prev >> pin) & 0x01;
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            uint norm = (uint)(data.curr >> pin) & 0x01;
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            this.value = 0;
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            if ((uint)(norm) == 1) {
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                value = (uint)(invert ? 0 : 1);
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            } else {
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                value = (uint)(invert ? 1 : 0);
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            }
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            if (this.commands != null && norm != chg) {
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                foreach (Command cmd in this.commands) {
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                    cmd.data = this.data;
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                    if (cmd.Send(this.value) == 0)
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                        Console.Write(cmd.ToString());
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                }
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            }
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        }
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    }
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    public class Switch3Pos : Control {
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        public int pin0 { get; set; }
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        public int pin1 { get; set; }
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        public Boolean invert { get; set; }
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        public Switch3Pos(Command command, int pin0, int pin1, Boolean invert = false) : base(command) {
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            this.pin0 = pin0;
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            this.pin1 = pin1;
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            this.invert = invert;
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        }
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        public override void Tick() {
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            uint chg0 = (uint)(data.prev >> pin0) & 0x01;
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            uint chg1 = (uint)(data.prev >> pin1) & 0x01;
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            uint nrm0 = (uint)(data.curr >> pin0) & 0x01;
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            uint nrm1 = (uint)(data.curr >> pin1) & 0x01;
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            this.value = 1;
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            if ((uint)nrm0 == 1)
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                this.value = (uint)(invert ? 2 : 0);
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            else if ((uint)nrm1 == 1)
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                this.value = (uint)(invert ? 0 : 2);
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            if (this.commands != null &&  ((nrm0 != chg0) || (nrm1 != chg1))) {
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                foreach (Command cmd in this.commands) {
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                    cmd.data = this.data;
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                    if (cmd.Send(this.value) == 0)
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                        Console.Write(cmd.ToString());
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                }
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            }
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        }
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    }
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    public class Selector : Control {
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        int[] pins;
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        public Selector(Command command, int[] pins) : base(command) {
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            this.pins = pins;
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            this.value = 0;
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        }
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        public override void Tick() {
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            // This is a rather complicated way  to check what the previous select
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            //  was, and was the current selection is. Not really needed, but hoping it
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            //  might come in handy for something else down the line.
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            uint chg = 0;
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            uint norm = 0;
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            uint mask = 0;
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            for (int i = 0; i < pins.Length; i++) // Create a mask of how many selection points there are
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                mask |= (uint)1 << i;
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            for (int i = 0; i < pins.Length; i++) {
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                chg |= (uint)(data.prev >> (pins[i] -i )); // Narrow down to the previsouly selected bit
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                norm |= (uint)(data.curr >> (pins[i] -i )); // Narrow down to the currently selected bit
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                if ((uint)((data.curr >> pins[i]) & 0x01) == 1) { // Decode the value we need to use
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                    value = (uint)i;
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                }
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            }
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            norm &= mask; // Remove any bits from above
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            chg &= mask;
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            if (norm == 0) // Can sometimes be in the inbetween selector switch, ignore
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                return;
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            if (norm != chg) { // Send the update if needed
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                foreach (Command cmd in this.commands) {
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                    cmd.data = this.data;
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                    if (cmd.Send(this.value) == 0)
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                        Console.Write(cmd.ToString());
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                }
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            }
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        }
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    }
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}