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Lift.cs
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Lift.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Crestron.SimplSharp;
namespace FrameWork {
/**
* Class: Lift
* @author: Ryan French
* @version: 1.3a
* Description: ...
*/
public class Lift {
//===================// Members //===================//
public ushort zoneID;
public bool holdEnabled;
public LiftType type;
public int lastDirection;
public ushort holdEnabledUshort { get { return (ushort)(holdEnabled ? 1 : 0); } }
// S+ delegate for latching relay outputs
public DelegateUshort2 LiftCommand { get; set; }
// S+ delegate for pulsing relay outputs
public DelegateUshort LiftCommandPulse { get; set; }
// Event for sending feedback states to Interfaces
public event DelegateUshort2 LiftCommandFb;
//===================// Constructor //===================//
public Lift() {
lastDirection = 0;
}
//===================// Methods //===================//
/**
* Method: SetType
* Access: public
* @return: void
* @param: ushort _type
* Description: Coverts ushort to it's corresponding LiftType enum
*/
public void SetType(ushort _type) {
type = (LiftType)_type;
}
/**
* Method: EnableHold
* Access: public
* @return: void
* Description: ...
*/
public void EnableHold() {
holdEnabled = true;
// Send Feedback State
if (LiftCommandFb != null)
LiftCommandFb(4, 1); // Hold
}
/**
* Method: DisableHold
* Access: public
* @return: void
* Description: ...
*/
public void DisableHold() {
holdEnabled = false;
// Send Feedback State
if (LiftCommandFb != null)
LiftCommandFb(4, 0); // Hold
}
/**
* Method: ToggleHold
* Access: public
* @return: void
* Description: ...
*/
public void ToggleHold() {
holdEnabled = !holdEnabled;
// Send Feedback State
if (LiftCommandFb != null)
LiftCommandFb(4, (ushort)(holdEnabled ? 1 : 0)); // Hold
}
/**
* Method: Raise
* Access: public
* @return: void
* Description: ...
*/
public void Raise() {
if (holdEnabled)
return;
switch (type) {
case LiftType.SingleRelay: {
LiftCommand((ushort)LiftCommands.SingleRelay, 1);
}
break;
case LiftType.DualRelayPulse: {
LiftCommandPulse((ushort)LiftCommands.RelayUp);
}
break;
case LiftType.DualRelaySustain: {
LiftCommand((ushort)LiftCommands.RelayDown, 0);
LiftCommand((ushort)LiftCommands.RelayUp, 1);
}
break;
}
lastDirection = 1;
// Send Feedback States
if (LiftCommandFb != null) {
LiftCommandFb(1, 1); // Raise
LiftCommandFb(2, 0); // Stop
LiftCommandFb(3, 0); // Lower
}
}
/**
* Method: Lower
* Access: public
* @return: void
* Description: ...
*/
public void Lower() {
if (holdEnabled)
return;
switch (type) {
case LiftType.SingleRelay: {
LiftCommand((ushort)LiftCommands.SingleRelay, 0);
}
break;
case LiftType.DualRelayPulse: {
LiftCommandPulse((ushort)LiftCommands.RelayDown);
}
break;
case LiftType.DualRelaySustain: {
LiftCommand((ushort)LiftCommands.RelayUp, 0);
LiftCommand((ushort)LiftCommands.RelayDown, 1);
}
break;
}
lastDirection = -1;
// Send Feedback States
if (LiftCommandFb != null) {
LiftCommandFb(1, 0); // Raise
LiftCommandFb(2, 0); // Stop
LiftCommandFb(3, 1); // Lower
}
}
/**
* Method: Stop
* Access: public
* @return: void
* Description: If lift is type DualRelaySustain, releases both relays.
* If lift is type DualRelayPulse, pulse last known lift direction.
*/
public void Stop() {
if (holdEnabled)
return;
switch (type) {
case LiftType.SingleRelay: {
// Cannot stop a single relay lift
}
break;
case LiftType.DualRelayPulse: {
if(lastDirection == 1)
LiftCommandPulse((ushort)LiftCommands.RelayUp);
else if(lastDirection == -1)
LiftCommandPulse((ushort)LiftCommands.RelayDown);
}
break;
case LiftType.DualRelaySustain: {
LiftCommand((ushort)LiftCommands.RelayDown, 0);
LiftCommand((ushort)LiftCommands.RelayUp, 0);
}
break;
}
lastDirection = 0;
// Send Feedback States
if (LiftCommandFb != null) {
LiftCommandFb(1, 0); // Raise
LiftCommandFb(2, 1); // Stop
LiftCommandFb(3, 0); // Lower
}
}
//===================// Event Handlers //===================//
/**
* Method: ZoneSourceUpdateHandler
* Access: public
* @param: ushort _sourceID
* Description: Triggered by parent Zone when it's currentSource is changed. Used to control lift state for AV routing.
*/
public void ZoneSourceUpdateHandler(ushort _sourceID) {
// Check if Source is Audio or Video
if (!Core.Sources[_sourceID].isVideoSource) {
Lower();
} else {
Raise();
}
}
} // End Lift Class
public enum LiftType {
SingleRelay = 1,
DualRelayPulse,
DualRelaySustain
}
public enum LiftCommands {
RelayUp = 1,
RelayDown,
SingleRelay
}
}