Library {
  Name			  "lab2_intro_dsp"
  Version		  6.3
  MdlSubVersion		  0
  Description		  "Blocks used specifically for ECE557 labs."
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  ShowTestPointIcons	  on
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  CovSaveName		  "covdata"
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  ToolBar		  on
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  Created		  "Wed Jun 18 18:34:10 2008"
  Creator		  "pavlict"
  UpdateHistory		  "UpdateHistoryNever"
  ModifiedByFormat	  "%<Auto>"
  LastModifiedBy	  "tpavlic"
  ModifiedDateFormat	  "%<Auto>"
  LastModifiedDate	  "Wed Aug  6 08:28:23 2008"
  ModelVersionFormat	  "1.%<AutoIncrement:63>"
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  LinearizationMsg	  "none"
  Profile		  off
  ParamWorkspaceSource	  "MATLABWorkspace"
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  ExtModeEnableFloating	  on
  ExtModeTrigType	  "manual"
  ExtModeTrigMode	  "normal"
  ExtModeTrigPort	  "1"
  ExtModeTrigElement	  "any"
  ExtModeTrigDuration	  1000
  ExtModeTrigDurationFloating "auto"
  ExtModeTrigHoldOff	  0
  ExtModeTrigDelay	  0
  ExtModeTrigDirection	  "rising"
  ExtModeTrigLevel	  0
  ExtModeArchiveMode	  "off"
  ExtModeAutoIncOneShot	  off
  ExtModeIncDirWhenArm	  off
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  ExtModeWriteAllDataToWs off
  ExtModeArmWhenConnect	  on
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  ExtModeLogAll		  on
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  ShowModelReferenceBlockVersion off
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    FontSize		    10
    FontWeight		    "normal"
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    ShowName		    on
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  BlockParameterDefaults {
    Block {
      BlockType		      Abs
      SaturateOnIntegerOverflow	on
      ZeroCross		      on
      SampleTime	      "-1"
    }
    Block {
      BlockType		      Constant
      Value		      "1"
      VectorParams1D	      on
      OutDataTypeMode	      "Inherit from 'Constant value'"
      OutDataType	      "sfix(16)"
      ConRadixGroup	      "Use specified scaling"
      OutScaling	      "2^0"
      SampleTime	      "inf"
    }
    Block {
      BlockType		      Inport
      Port		      "1"
      UseBusObject	      off
      BusObject		      "BusObject"
      BusOutputAsStruct	      off
      PortDimensions	      "-1"
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      DataType		      "auto"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      SignalType	      "auto"
      SamplingMode	      "auto"
      LatchByDelayingOutsideSignal off
      LatchByCopyingInsideSignal off
      Interpolate	      on
    }
    Block {
      BlockType		      Outport
      Port		      "1"
      UseBusObject	      off
      BusObject		      "BusObject"
      BusOutputAsStruct	      off
      PortDimensions	      "-1"
      SampleTime	      "-1"
      DataType		      "auto"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      SignalType	      "auto"
      SamplingMode	      "auto"
      OutputWhenDisabled      "held"
      InitialOutput	      "[]"
    }
    Block {
      BlockType		      SignalGenerator
      WaveForm		      "sine"
      TimeSource	      "Use simulation time"
      Amplitude		      "1"
      Frequency		      "1"
      Units		      "Hertz"
      VectorParams1D	      on
    }
    Block {
      BlockType		      SubSystem
      ShowPortLabels	      on
      Permissions	      "ReadWrite"
      PermitHierarchicalResolution "All"
      SystemSampleTime	      "-1"
      RTWFcnNameOpts	      "Auto"
      RTWFileNameOpts	      "Auto"
      SimViewingDevice	      off
      DataTypeOverride	      "UseLocalSettings"
      MinMaxOverflowLogging   "UseLocalSettings"
    }
    Block {
      BlockType		      Sum
      IconShape		      "rectangular"
      Inputs		      "++"
      InputSameDT	      on
      OutDataTypeMode	      "Same as first input"
      OutDataType	      "sfix(16)"
      OutScaling	      "2^0"
      LockScale		      off
      RndMeth		      "Floor"
      SaturateOnIntegerOverflow	on
      SampleTime	      "-1"
    }
    Block {
      BlockType		      TriggerPort
      TriggerType	      "rising"
      StatesWhenEnabling      "inherit"
      ShowOutputPort	      off
      OutputDataType	      "auto"
      SampleTimeType	      "triggered"
      SampleTime	      "1"
      ZeroCross		      on
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  AnnotationDefaults {
    HorizontalAlignment	    "center"
    VerticalAlignment	    "middle"
    ForegroundColor	    "black"
    BackgroundColor	    "white"
    DropShadow		    off
    FontName		    "Arial"
    FontSize		    10
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    FontWeight		    "normal"
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    Name		    "lab2_intro_dsp"
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    Open		    on
    ModelBrowserVisibility  off
    ModelBrowserWidth	    200
    ScreenColor		    "lightBlue"
    PaperOrientation	    "landscape"
    PaperPositionMode	    "auto"
    PaperType		    "usletter"
    PaperUnits		    "inches"
    ZoomFactor		    "100"
    ReportName		    "simulink-default.rpt"
    Block {
      BlockType		      SubSystem
      Name		      "Sample and Hold"
      Ports		      [1, 1]
      Position		      [560, 26, 615, 64]
      TreatAsAtomicUnit	      off
      MinAlgLoopOccurrences   off
      RTWSystemCode	      "Auto"
      MaskHideContents	      off
      MaskType		      "Samples and holds input at specified frequency."
      MaskPromptString	      "Sample Frequency (Hz):"
      MaskStyleString	      "edit"
      MaskTunableValueString  "on"
      MaskEnableString	      "on"
      MaskVisibilityString    "on"
      MaskToolTipString	      "on"
      MaskVariables	      "sahfreq=@1;"
      MaskDisplay	      "plot([0 1 1 2 2 3 3 4 4 5 5 6],[0 0 4 4 3 3 1 1"
" 2.5 2.5 3.5 3.5])"
      MaskSelfModifiable      on
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "10"
      System {
	Name			"Sample and Hold"
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	Open			on
	ModelBrowserVisibility	off
	ModelBrowserWidth	200
	ScreenColor		"white"
	PaperOrientation	"landscape"
	PaperPositionMode	"auto"
	PaperType		"usletter"
	PaperUnits		"inches"
	ZoomFactor		"100"
	Block {
	  BlockType		  Inport
	  Name			  "In"
	  Position		  [150, 98, 180, 112]
	  IconDisplay		  "Port number"
	}
	Block {
	  BlockType		  SignalGenerator
	  Name			  "Sample Trigger"
	  Ports			  [0, 1]
	  Position		  [240, 35, 270, 65]
	  Orientation		  "down"
	  NamePlacement		  "alternate"
	  WaveForm		  "square"
	  Frequency		  "sahfreq"
	}
	Block {
	  BlockType		  SubSystem
	  Name			  "Sample and Hold"
	  Ports			  [1, 1, 0, 1]
	  Position		  [205, 84, 305, 126]
	  TreatAsAtomicUnit	  on
	  MinAlgLoopOccurrences	  off
	  RTWSystemCode		  "Auto"
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	    Name		    "Sample and Hold"
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	    Block {
	      BlockType		      Inport
	      Name		      "In"
	      Position		      [110, 103, 140, 117]
	      IconDisplay	      "Port number"
	    }
	    Block {
	      BlockType		      TriggerPort
	      Name		      "Trigger"
	      Ports		      []
	      Position		      [190, 20, 210, 40]
	      StatesWhenEnabling      "held"
	    }
	    Block {
	      BlockType		      Outport
	      Name		      "Out"
	      Position		      [360, 103, 390, 117]
	      IconDisplay	      "Port number"
	      BusOutputAsStruct	      off
	    }
	    Line {
	      SrcBlock		      "In"
	      SrcPort		      1
	      DstBlock		      "Out"
	      DstPort		      1
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	Block {
	  BlockType		  Outport
	  Name			  "Out"
	  Position		  [350, 98, 380, 112]
	  IconDisplay		  "Port number"
	  BusOutputAsStruct	  off
	}
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	  SrcBlock		  "Sample and Hold"
	  SrcPort		  1
	  DstBlock		  "Out"
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	  SrcPort		  1
	  Points		  [0, 0]
	  DstBlock		  "Sample and Hold"
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	  SrcBlock		  "Sample Trigger"
	  SrcPort		  1
	  DstBlock		  "Sample and Hold"
	  DstPort		  trigger
	}
	Annotation {
	  Name			  "Copyright (c) 2008 by Theodore P. Pavlic\n"
"\nThis work is licensed under the Creative Commons Attribution-Noncommercial "
"3.0 United States License.\nTo view a copy of this license, visit http://crea"
"tivecommons.org/licenses/by-nc/3.0/us/ or send a\nletter to Creative Commons,"
" 171 Second Street, Suite 300, San Francisco, California, 94105, USA."
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	  BackgroundColor	  "gray"
	  DropShadow		  on
	  UseDisplayTextAsClickCallback	off
	}
      }
    }
    Block {
      BlockType		      SubSystem
      Name		      "Triangle Wave"
      Ports		      [0, 1]
      Position		      [405, 26, 450, 64]
      TreatAsAtomicUnit	      off
      MinAlgLoopOccurrences   off
      RTWSystemCode	      "Auto"
      MaskHideContents	      off
      MaskType		      "Outputs a triangle wave."
      MaskPromptString	      "Frequency (Hz):|Amplitude:|Offset:"
      MaskStyleString	      "edit,edit,edit"
      MaskTunableValueString  "on,on,on"
      MaskCallbackString      "||"
      MaskEnableString	      "on,on,on"
      MaskVisibilityString    "on,on,on"
      MaskToolTipString	      "on,on,on"
      MaskVarAliasString      ",,"
      MaskVariables	      "trifreq=@1;triamp=@2;trioff=@3;"
      MaskDisplay	      "plot([0.5 1 2 3 4 4.5], [0 1 -1 1 -1 0])"
      MaskSelfModifiable      on
      MaskIconFrame	      on
      MaskIconOpaque	      on
      MaskIconRotate	      "none"
      MaskIconUnits	      "autoscale"
      MaskValueString	      "1|1|0"
      MaskTabNameString	      ",,"
      Port {
	PortNumber		1
	Name			"Triangle"
	RTWStorageClass		"Auto"
	DataLoggingNameMode	"SignalName"
      }
      System {
	Name			"Triangle Wave"
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	Block {
	  BlockType		  Abs
	  Name			  "Absolute Sawtooth Triangle"
	  Position		  [175, 25, 205, 55]
	  SaturateOnIntegerOverflow off
	}
	Block {
	  BlockType		  Constant
	  Name			  "Offset"
	  Position		  [292, 90, 368, 125]
	  Orientation		  "up"
	  Value			  "-triamp + trioff"
	}
	Block {
	  BlockType		  SignalGenerator
	  Name			  "Sawtooth"
	  Ports			  [0, 1]
	  Position		  [70, 25, 100, 55]
	  WaveForm		  "sawtooth"
	  Amplitude		  "triamp*2"
	  Frequency		  "trifreq"
	}
	Block {
	  BlockType		  Sum
	  Name			  "Triangle Wave"
	  Ports			  [2, 1]
	  Position		  [320, 30, 340, 50]
	  NamePlacement		  "alternate"
	  IconShape		  "round"
	  Inputs		  "|++"
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	  OutDataTypeMode	  "Inherit via internal rule"
	  SaturateOnIntegerOverflow off
	}
	Block {
	  BlockType		  Outport
	  Name			  "Out"
	  Position		  [435, 33, 465, 47]
	  IconDisplay		  "Port number"
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	}
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	  SrcBlock		  "Triangle Wave"
	  SrcPort		  1
	  Points		  [0, 0]
	  DstBlock		  "Out"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Offset"
	  SrcPort		  1
	  Points		  [0, 0]
	  DstBlock		  "Triangle Wave"
	  DstPort		  2
	}
	Line {
	  SrcBlock		  "Absolute Sawtooth Triangle"
	  SrcPort		  1
	  Points		  [0, 0]
	  DstBlock		  "Triangle Wave"
	  DstPort		  1
	}
	Line {
	  SrcBlock		  "Sawtooth"
	  SrcPort		  1
	  Points		  [55, 0]
	  DstBlock		  "Absolute Sawtooth Triangle"
	  DstPort		  1
	}
	Annotation {
	  Name			  "Freq: trifreq\nAmp: 2*triamp\nOffset: 0"
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	Annotation {
	  Name			  "Amp: triamp\nOffset: triamp"
	  Position		  [191, 91]
	  BackgroundColor	  "lightBlue"
	  UseDisplayTextAsClickCallback	off
	}
	Annotation {
	  Name			  "Copyright (c) 2008 by Theodore P. Pavlic\n"
"\nThis work is licensed under the Creative Commons Attribution-Noncommercial "
"3.0 United States License.\nTo view a copy of this license, visit http://crea"
"tivecommons.org/licenses/by-nc/3.0/us/ or send a\nletter to Creative Commons,"
" 171 Second Street, Suite 300, San Francisco, California, 94105, USA."
	  Position		  [257, 175]
	  BackgroundColor	  "gray"
	  DropShadow		  on
	  UseDisplayTextAsClickCallback	off
	}
      }
    }
    Annotation {
      Name		      "*AT-HOME* NOTES FOR THESE BLOCKS:\n\n1. Go to F"
"ile -> New -> Model\n\n2. Go to Simulation -> Configuration Parameters -> Sol"
"ver\n\n3. Set:\n\n    *) Type: Fixed-step\n    *) Solver: ode5\n    *) Fixed-"
"step size: 0.001\n\nThe \"Start time\" and \"Stop time\" are up to you (try 0"
" and 10, respectively).\nThe \"Fixed-step size\" should be SMALLER than 1/10 "
"of your triangle wave \nperiod.\n\n4. Drag these blocks onto your new model a"
"nd use them as you wish.\n    Remember to change Triangle frequency and ZOH s"
"ample time.\n\n5. You can use a \"Scope\" (from the \"Sources\") to probe sig"
"nals. The\n    \"Autoscale\" features of the \"Scope\" may be handy (or you c"
"ould just\n    send the output to the workspace and plot it there).\n\nNOTE: "
"If you're not using dSPACE, the \"Sample and Hold\" block is nearly\n        "
"    identical to the \"Zero-Order Hold\" block in the \"Discrete\" section of"
"\n            the standard Simulink library. You may use that block instead."
"\n\nNOTE: If you right-click on these blocks and select \"Look Under Mask,\" "
"\n             you can see how they're built with standard Simulink component"
"s."
      Position		      [19, 344]
      HorizontalAlignment     "left"
      UseDisplayTextAsClickCallback off
      FontSize		      14
    }
    Annotation {
      Name		      "*IN-CLASS* NOTES FOR LABORATORY 2:\n\nFor best "
"dSPACE results with these blocks, go to:\n \n    Simulation -> Configuration "
"Parameters -> RTI variable description\n\nand turn on \"Include mask and work"
"space parameters.\" Otherwise, you can\naccess the subsystem internals in dSP"
"ACE directly.\n\nTo use the \"Triangle Wave' and \"Sample and Hold\":\n\n1. T"
"o generate a triangle wave with the DSP, use the \"Triangle Wave\" block. \n "
"   Its shape can be tuned in dSPACE using its parameters.\n\n2. The \"Sample "
"and Hold\" block is similar to MATLAB's Zero-Order Hold, but \n    its sample"
" time can be accessed in dSPACE."
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      HorizontalAlignment     "left"
      UseDisplayTextAsClickCallback off
      FontSize		      14
    }
    Annotation {
      Name		      "Copyright (c) 2008 by Theodore P. Pavlic\n\nThi"
"s work is licensed under the Creative Commons Attribution-Noncommercial 3.0 U"
"nited States License.\nTo view a copy of this license, visit http://creativec"
"ommons.org/licenses/by-nc/3.0/us/ or send a\nletter to Creative Commons, 171 "
"Second Street, Suite 300, San Francisco, California, 94105, USA."
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      BackgroundColor	      "gray"
      DropShadow	      on
      UseDisplayTextAsClickCallback off
    }
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}