Subversion Repositories group.electronics

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace nitdcscore {

    public class jsaxis {

        public UInt16 prev { get; set; }        // The previous ADC value

        public UInt16 value { get; set; }       // The current ADC value

        public UInt16 thres { get; set; }       // Threshold to report a new position

        public UInt16 max { get; set; }              // The maximum value we've seen

        public UInt16 mapsize { get; set; }     // The mapping maximum

        public jsaxis() {

        }

        public bool getPosition(ref UInt16 position) {

            if (this.value > this.max)

                this.max = this.value;

            UInt16 lowerval = 0;

            if (this.prev >= this.thres)

                lowerval = (UInt16)(this.prev - this.thres);

            ushort upperval = this.max;

            if (this.prev <= upperval - this.thres)

                upperval = (ushort)(this.prev + this.thres);

            //Console.WriteLine("JS " + ":" + this.prev + "," + this.value + "," + this.max + "," + lowerval + "," + upperval);

            if ((this.value < lowerval) || (this.value > upperval)) {

                // Cover our min/max ranges within threshold

                if (this.value < this.thres)

                    this.value = 0;

                if (this.value > this.max - this.thres)

                    this.value = this.max;

                this.prev = this.value;

                position = Globals.map_uint16(this.value, 0, this.max, 0, this.mapsize);

                return true;

            }

            return false;

        }

    }

    public class jsdata {

        public bool changed { get; set; }

        public UInt64 buttons { get; set; }

        public UInt64 prev { get; set; }

        public jsaxis[] axis = new jsaxis[6];

        public jsdata() {

            changed = false;

            prev = buttons = 0;

            for (int i = 0; i < 6; i++) {

                axis[i] = new jsaxis();

                axis[i].thres = Globals.ADC_THRESHOLD;

                axis[i].max = Globals.ADC_DEFMAX;

                axis[i].prev = axis[i].value = 0;

                axis[i].mapsize = 0xffff;

            }

        }

    }

    public class Led {

        protected mcp23017 dev;

        private int bank { get; set; }

        private int pin { get; set; }

        private UInt16 address { get; set; }

        private UInt16 mask { get; set; }

        private int shift { get; set; }

        public uint value { get; set; }

        public Led(mcp23017 dev, int bank, int pin, UInt16 address, UInt16 mask, int shift) {

            this.dev = dev;

            this.pin = pin;

            this.address = address;

            this.mask = mask;

            this.shift = shift;

            this.value = 0;

            Globals.outputs.Add(this.address, this);

        }

        public bool Tick(uint data) {

            uint newval = (data & mask) >> shift;

            if (newval != this.value) {

                byte curr = 0;

                dev.GetBank(this.bank, (byte)this.bank, out curr);

                Globals.setBit(curr, pin);

                dev.SetBank(this.bank, curr);

            }

            return true;

        }

    }

    public abstract class Control {

        public UInt64 value { get; set; }

        public Control(Command command) {

            commands.Add(command);

        }

        public List<Command> commands = new List<Command>();

        public jsdata data { get; set; }

        public Boolean updated { get; set; }

        public abstract void Tick();

    }

    public class Switch2Pos : Control {

        public int pin { get; set; }

        public Boolean invert { get; set; }

        public Switch2Pos(Command command, int pin, Boolean invert = false) : base(command) {

            this.invert = invert;

            this.pin = pin;

        }

        public override void Tick() {

            UInt64 chg = (UInt64)(data.prev >> pin) & 0x01;

            UInt64 norm = (UInt64)(data.buttons >> pin) & 0x01;

            this.value = 0;

            if ((UInt64)(norm) == 1) {

                value = (UInt64)(invert ? 0 : 1);

            } else {

                value = (UInt64)(invert ? 1 : 0);

            }

            if (this.commands != null && norm != chg) {

                foreach (Command cmd in this.commands) {

                    cmd.data = this.data;

                    if (cmd.Send(this.value) == 0)

                        Console.Write(cmd.ToString());

                }

            }

        }

    }

    public class Switch3Pos : Control {

        public int pin0 { get; set; }

        public int pin1 { get; set; }

        public Boolean invert { get; set; }

        public Switch3Pos(Command command, int pin0, int pin1, Boolean invert = false) : base(command) {

            this.pin0 = pin0;

            this.pin1 = pin1;

            this.invert = invert;

        }

        public override void Tick() {

            UInt64 chg0 = (UInt64)(data.prev >> pin0) & 0x01;

            UInt64 chg1 = (UInt64)(data.prev >> pin1) & 0x01;

            UInt64 nrm0 = (UInt64)(data.buttons >> pin0) & 0x01;

            UInt64 nrm1 = (UInt64)(data.buttons >> pin1) & 0x01;

            this.value = 1;

            if ((UInt64)nrm0 == 1)

                this.value = (UInt64)(invert ? 2 : 0);

            else if ((uint)nrm1 == 1)

                this.value = (UInt64)(invert ? 0 : 2);

            if (this.commands != null &&  ((nrm0 != chg0) || (nrm1 != chg1))) {

                foreach (Command cmd in this.commands) {

                    cmd.data = this.data;

                    if (cmd.Send(this.value) == 0)

                        Console.Write(cmd.ToString());

                }

            }

        }

    }

    public class Potentiometer : Control {

        public int channel { get; set; }

        public Boolean invert { get; set; }

        public Potentiometer(Command command, int channel) : base(command) {

            this.channel = channel;

        }

        public override void Tick() {

            UInt16 tmpval = 0;

            bool changed = data.axis[channel].getPosition(ref tmpval);

            this.value = tmpval;

            if (changed) {

                foreach (Command cmd in this.commands) {

                    cmd.data = this.data;

                    if (cmd.Send(this.value) == 0)

                        Console.Write(cmd.ToString());

                }

            }

        }

    }

    public class Selector : Control {

        int[] pins;

        public Selector(Command command, int[] pins) : base(command) {

            this.pins = pins;

            this.value = 0;

        }

        public override void Tick() {

            // This is a rather complicated way  to check what the previous select

            //  was, and was the current selection is. Not really needed, but hoping it 

            //  might come in handy for something else down the line.

            UInt64 chg = 0;

            UInt64 norm = 0;

            UInt64 mask = 0;

            for (int i = 0; i < pins.Length; i++) // Create a mask of how many selection points there are

                mask |= (UInt64)1 << i;

            for (int i = 0; i < pins.Length; i++) {

                chg |= (UInt64)(data.prev >> (pins[i] - i)); // Narrow down to the previsouly selected bit

                norm |= (UInt64)(data.buttons >> (pins[i] - i)); // Narrow down to the currently selected bit

                if ((UInt64)((data.buttons >> pins[i]) & 0x01) == 1) { // Decode the value we need to use

                    value = (UInt64)i;

                }

            }

            norm &= mask; // Remove any bits from above

            chg &= mask;

            if (norm == 0) // Can sometimes be in the inbetween selector switch, ignore

                return;

            if (norm != chg) { // Send the update if needed

                foreach (Command cmd in this.commands) {

                    cmd.data = this.data;

                    if (cmd.Send(this.value) == 0)

                        Console.Write(cmd.ToString());

                }

            }

        }

    }

}