diff --git a/状态图.png b/按键状态图.png
similarity index 100%
rename from 状态图.png
rename to 按键状态图.png
diff --git a/父子状态机测试.plecs b/父子状态机测试.plecs
new file mode 100644
index 0000000..7627446
--- /dev/null
+++ b/父子状态机测试.plecs
@@ -0,0 +1,784 @@
+Plecs {
+  Name          base64 "54q25oCB5py65rWL6K+V"
+  Version       "4.7"
+  CircuitModel  "ContStateSpace"
+  StartTime     "0.0"
+  TimeSpan      "2"
+  Timeout       ""
+  Solver        "auto"
+  MaxStep       "1e-3"
+  InitStep      "-1"
+  FixedStep     "1e-3"
+  Refine        "1"
+  ZCStepSize    "1e-9"
+  RelTol        "1e-3"
+  AbsTol        "-1"
+  TurnOnThreshold "0"
+  SyncFixedStepTasks "2"
+  UseSingleCommonBaseRate "2"
+  LossVariableLimitExceededMsg "3"
+  NegativeSwitchLossMsg "3"
+  DivisionByZeroMsg "3"
+  StiffnessDetectionMsg "2"
+  MaxConsecutiveZCs "1000"
+  AlgebraicLoopWithStateMachineMsg "3"
+  AssertionAction "1"
+  InitializationCommands ""
+  InitialState  "1"
+  SystemState   ""
+  TaskingMode   "1"
+  TaskConfigurations ""
+  CodeGenParameterInlining "2"
+  CodeGenFloatingPointFormat "2"
+  CodeGenAbsTimeUsageMsg "3"
+  CodeGenBaseName ""
+  CodeGenOutputDir ""
+  CodeGenExtraOpts ""
+  CodeGenTarget "Generic"
+  CodeGenTargetSettings ""
+  ExtendedMatrixPrecision "1"
+  MatrixSignificanceCheck "2"
+  EnableStateSpaceSplitting "2"
+  DisplayStateSpaceSplitting "1"
+  DiscretizationMethod "2"
+  ExternalModeSettings ""
+  AlgebraicLoopMethod "1"
+  AlgebraicLoopTolerance "1e-6"
+  ScriptsDialogGeometry ""
+  ScriptsDialogSplitterPos "0"
+  Schematic {
+    Location      [1734, 301; 2376, 730]
+    ZoomFactor    1.71498
+    SliderPosition [0, 0]
+    ShowBrowser   off
+    BrowserWidth  100
+    Component {
+      Type          FsmBlock
+      Name          "State Machine"
+      Show          on
+      Position      [260, 100]
+      Direction     up
+      Flipped       off
+      LabelPosition south
+      Frame         [-40, -15; 40, 15]
+      Parameter {
+        Variable      "InputVariables"
+        Value         "i,j"
+        Show          off
+      }
+      Parameter {
+        Variable      "InputTypes"
+        Value         "1,1"
+        Show          off
+      }
+      Parameter {
+        Variable      "InternalConstants"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "InternalConstantValues"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "InternalVariables"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "InternalVariableValues"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "OutputVariables"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "Declarations"
+        Value         "#include <stdio.h>\n"
+"\n"
+"typedef enum _ParentEvent{\n"
+"    Parent_Idle_Event,\n"
+"    Start,\n"
+"    A2B,\n"
+"    B2A,\n"
+"    B2C,\n"
+"    C2A,\n"
+"\n"
+"    Parent_Count_Event,\n"
+"}ParentEvent;\n"
+"\n"
+"\n"
+"typedef enum _ChildEvent{\n"
+"    Child_Idle_Event,\n"
+"    Idle2D,\n"
+"    Idle2E,\n"
+"    D2E,\n"
+"    E2D,\n"
+"\n"
+"    Child_Count_Event,\n"
+"}ChildEvent;"
+        Show          off
+      }
+      Parameter {
+        Variable      "TransitionOrder"
+        Value         "2"
+        Show          off
+      }
+      Parameter {
+        Variable      "SampleTime"
+        Value         "0.1"
+        Show          off
+      }
+      Parameter {
+        Variable      "Animate"
+        Value         "1"
+        Show          off
+      }
+      FSM {
+        Location       [-1, -8; 2559, 1309]
+        ZoomFactor     1.14437
+        SliderPosition [0, 0]
+        FsmState {
+          Name          "A"
+          Position      [360, 480]
+          Frame         [-100, -90; 100, 90]
+          Parameter {
+            Name     "EnterAction"
+            Value    "printf(\" enterA \");"
+          }
+          Parameter {
+            Name     "DuringAction"
+            Value    "printf(\" duringA \");"
+          }
+          Parameter {
+            Name     "ExitAction"
+            Value    "printf(\" exitA \");"
+          }
+        }
+        FsmState {
+          Name          "B"
+          Position      [1110, 430]
+          Frame         [-420, -270; 420, 270]
+          Parameter {
+            Name     "EnterAction"
+            Value    "printf(\" enterB \");"
+          }
+          Parameter {
+            Name     "DuringAction"
+            Value    ""
+          }
+          Parameter {
+            Name     "ExitAction"
+            Value    "printf(\" exitB \");"
+          }
+          FsmState {
+            Name          "D"
+            Position      [-240, -10]
+            Frame         [-100, -90; 100, 90]
+            Parameter {
+              Name     "EnterAction"
+              Value    "printf(\" enterD \");"
+            }
+            Parameter {
+              Name     "DuringAction"
+              Value    "printf(\" duringD \");"
+            }
+            Parameter {
+              Name     "ExitAction"
+              Value    "printf(\" exitD \");"
+            }
+          }
+          FsmState {
+            Name          "E"
+            Position      [210, -10]
+            Frame         [-100, -90; 100, 90]
+            Parameter {
+              Name     "EnterAction"
+              Value    "printf(\" enterE \");"
+            }
+            Parameter {
+              Name     "DuringAction"
+              Value    "printf(\" duringE \");"
+            }
+            Parameter {
+              Name     "ExitAction"
+              Value    "printf(\" exitE \");"
+            }
+          }
+          FsmState {
+            Name          ".Junction"
+            Position      [-90, -160]
+          }
+          FsmState {
+            Name          ".PointState"
+            Position      [-90, -200]
+          }
+        }
+        FsmState {
+          Name          "C"
+          Position      [650, 1050]
+          Frame         [-100, -90; 100, 90]
+          Parameter {
+            Name     "EnterAction"
+            Value    "printf(\" enterC \");"
+          }
+          Parameter {
+            Name     "DuringAction"
+            Value    "printf(\" duringC \");"
+          }
+          Parameter {
+            Name     "ExitAction"
+            Value    "printf(\" exitC \");"
+          }
+        }
+        FsmState {
+          Name          ".PointState"
+          Position      [330, 250]
+        }
+        FsmTransition {
+          FsmSrcInfo {
+            StatePath        "A"
+            TerminalLoc      right
+            TerminalCoord    0.390136
+            External         on
+          }
+          FsmDstInfo {
+            StatePath        "B"
+            TerminalLoc      left
+            TerminalCoord    0.511449
+            External         on
+          }
+          SegmentLengths      [107.3600447694556]
+          LabelPosition       0.685
+          Parameter {
+            Name     "Trigger"
+            Value    "i==A2B"
+          }
+          Parameter {
+            Name     "Condition"
+            Value    ""
+          }
+          Parameter {
+            Name     "Action"
+            Value    "printf(\" A2B \");"
+          }
+          Parameter {
+            Name     "Priority"
+            Value    "1"
+          }
+        }
+        FsmTransition {
+          FsmSrcInfo {
+            StatePath        "B"
+            TerminalLoc      left
+            TerminalCoord    0.654101
+            External         on
+          }
+          FsmDstInfo {
+            StatePath        "A"
+            TerminalLoc      right
+            TerminalCoord    0.641567
+            External         on
+          }
+          SegmentLengths      [-110]
+          LabelPosition       0.5
+          Parameter {
+            Name     "Trigger"
+            Value    "i==B2A"
+          }
+          Parameter {
+            Name     "Condition"
+            Value    ""
+          }
+          Parameter {
+            Name     "Action"
+            Value    "printf(\" B2A \");"
+          }
+          Parameter {
+            Name     "Priority"
+            Value    "1"
+          }
+        }
+        FsmTransition {
+          FsmSrcInfo {
+            StatePath        "B"
+            TerminalLoc      bottom
+            TerminalCoord    0.491978
+            External         on
+          }
+          FsmDstInfo {
+            StatePath        "C"
+            TerminalLoc      top
+            TerminalCoord    0.435411
+            External         on
+          }
+          SegmentLengths      []
+          LabelPosition       0.5
+          Parameter {
+            Name     "Trigger"
+            Value    "i==B2C"
+          }
+          Parameter {
+            Name     "Condition"
+            Value    ""
+          }
+          Parameter {
+            Name     "Action"
+            Value    "printf(\" B2C \");"
+          }
+          Parameter {
+            Name     "Priority"
+            Value    "2"
+          }
+        }
+        FsmTransition {
+          FsmSrcInfo {
+            StatePath        "C"
+            TerminalLoc      left
+            TerminalCoord    0.480089
+            External         on
+          }
+          FsmDstInfo {
+            StatePath        "A"
+            TerminalLoc      bottom
+            TerminalCoord    0.531347
+            External         on
+          }
+          SegmentLengths      []
+          LabelPosition       0.5
+          Parameter {
+            Name     "Trigger"
+            Value    "i == C2A"
+          }
+          Parameter {
+            Name     "Condition"
+            Value    ""
+          }
+          Parameter {
+            Name     "Action"
+            Value    "printf(\" C2A \");"
+          }
+          Parameter {
+            Name     "Priority"
+            Value    "1"
+          }
+        }
+        FsmTransition {
+          FsmSrcInfo {
+            StatePath        "B/D"
+            TerminalLoc      right
+            TerminalCoord    0.336937
+            External         on
+          }
+          FsmDstInfo {
+            StatePath        "B/E"
+            TerminalLoc      left
+            TerminalCoord    0.350905
+            External         on
+          }
+          SegmentLengths      []
+          LabelPosition       0.5
+          Parameter {
+            Name     "Trigger"
+            Value    "j==D2E"
+          }
+          Parameter {
+            Name     "Condition"
+            Value    ""
+          }
+          Parameter {
+            Name     "Action"
+            Value    "printf(\" D2E \");"
+          }
+          Parameter {
+            Name     "Priority"
+            Value    "1"
+          }
+        }
+        FsmTransition {
+          FsmSrcInfo {
+            StatePath        "B/E"
+            TerminalLoc      left
+            TerminalCoord    0.593025
+            External         on
+          }
+          FsmDstInfo {
+            StatePath        "B/D"
+            TerminalLoc      right
+            TerminalCoord    0.560432
+            External         on
+          }
+          SegmentLengths      []
+          LabelPosition       0.5
+          Parameter {
+            Name     "Trigger"
+            Value    "j==E2D"
+          }
+          Parameter {
+            Name     "Condition"
+            Value    ""
+          }
+          Parameter {
+            Name     "Action"
+            Value    "printf(\" E2D \");"
+          }
+          Parameter {
+            Name     "Priority"
+            Value    "1"
+          }
+        }
+        FsmTransition {
+          FsmSrcInfo {
+            StatePath        "B/.PointState"
+            TerminalLoc      bottom
+            TerminalCoord    0.5
+            External         on
+          }
+          FsmDstInfo {
+            StatePath        "B/.Junction"
+            TerminalLoc      top
+            TerminalCoord    0.5
+            External         on
+          }
+          SegmentLengths      []
+          LabelPosition       0.5
+          Parameter {
+            Name     "Trigger"
+            Value    ""
+          }
+          Parameter {
+            Name     "Condition"
+            Value    ""
+          }
+          Parameter {
+            Name     "Action"
+            Value    ""
+          }
+          Parameter {
+            Name     "Priority"
+            Value    "1"
+          }
+        }
+        FsmTransition {
+          FsmSrcInfo {
+            StatePath        "B/.Junction"
+            TerminalLoc      left
+            TerminalCoord    0.5
+            External         on
+          }
+          FsmDstInfo {
+            StatePath        "B/D"
+            TerminalLoc      top
+            TerminalCoord    0.606534
+            External         on
+          }
+          SegmentLengths      []
+          LabelPosition       0.5
+          Parameter {
+            Name     "Trigger"
+            Value    ""
+          }
+          Parameter {
+            Name     "Condition"
+            Value    "j == Idle2D"
+          }
+          Parameter {
+            Name     "Action"
+            Value    "printf(\" Idle2D \");"
+          }
+          Parameter {
+            Name     "Priority"
+            Value    "1"
+          }
+        }
+        FsmTransition {
+          FsmSrcInfo {
+            StatePath        "B/.Junction"
+            TerminalLoc      right
+            TerminalCoord    0.5
+            External         on
+          }
+          FsmDstInfo {
+            StatePath        "B/E"
+            TerminalLoc      top
+            TerminalCoord    0.519516
+            External         on
+          }
+          SegmentLengths      []
+          LabelPosition       0.5
+          Parameter {
+            Name     "Trigger"
+            Value    ""
+          }
+          Parameter {
+            Name     "Condition"
+            Value    ""
+          }
+          Parameter {
+            Name     "Action"
+            Value    "printf(\" Idle2E \");"
+          }
+          Parameter {
+            Name     "Priority"
+            Value    "2"
+          }
+        }
+        FsmTransition {
+          FsmSrcInfo {
+            StatePath        ".PointState"
+            TerminalLoc      bottom
+            TerminalCoord    0.5
+            External         on
+          }
+          FsmDstInfo {
+            StatePath        "A"
+            TerminalLoc      top
+            TerminalCoord    0.509626
+            External         on
+          }
+          SegmentLengths      [63.5]
+          LabelPosition       0.5
+          Parameter {
+            Name     "Trigger"
+            Value    ""
+          }
+          Parameter {
+            Name     "Condition"
+            Value    ""
+          }
+          Parameter {
+            Name     "Action"
+            Value    ""
+          }
+          Parameter {
+            Name     "Priority"
+            Value    "1"
+          }
+        }
+      }
+    }
+    Component {
+      Type          CScript
+      Name          "C-Script"
+      Show          on
+      Position      [75, 70]
+      Direction     up
+      Flipped       off
+      LabelPosition south
+      Parameter {
+        Variable      "DialogGeometry"
+        Value         "[1296 663 655 313]"
+        Show          off
+      }
+      Parameter {
+        Variable      "NumInputs"
+        Value         "1"
+        Show          off
+      }
+      Parameter {
+        Variable      "NumOutputs"
+        Value         "2"
+        Show          off
+      }
+      Parameter {
+        Variable      "NumContStates"
+        Value         "0"
+        Show          off
+      }
+      Parameter {
+        Variable      "NumDiscStates"
+        Value         "0"
+        Show          off
+      }
+      Parameter {
+        Variable      "NumZCSignals"
+        Value         "0"
+        Show          off
+      }
+      Parameter {
+        Variable      "DirectFeedthrough"
+        Value         "0"
+        Show          off
+      }
+      Parameter {
+        Variable      "Ts"
+        Value         "0.1"
+        Show          off
+      }
+      Parameter {
+        Variable      "Parameters"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "LangStandard"
+        Value         "2"
+        Show          off
+      }
+      Parameter {
+        Variable      "GnuExtensions"
+        Value         "1"
+        Show          off
+      }
+      Parameter {
+        Variable      "RuntimeCheck"
+        Value         "2"
+        Show          off
+      }
+      Parameter {
+        Variable      "Declarations"
+        Value         "#include <stdio.h>\n"
+"\n"
+"static int index = 0;\n"
+"static int pu[20] = {0,1,2,0,0,0,0,0, 4,5,2,3};\n"
+"static int cu[20] = {0,0,1,0,0,3,4,3,0,0,0,0};"
+        Show          off
+      }
+      Parameter {
+        Variable      "StartFcn"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "OutputFcn"
+        Value         base64 "cHJpbnRmKCJcbuesrCVk5qyhIiwgaW5kZXgpOwpPdXRwdXQo"
+"MCkgPSBwdVtpbmRleF07Ck91dHB1dCgxKSA9IGN1W2luZGV4XTsKaW5kZXgrKzsKCgo="
+        Show          off
+      }
+      Parameter {
+        Variable      "UpdateFcn"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "DerivativeFcn"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "TerminateFcn"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "StoreCustomStateFcn"
+        Value         ""
+        Show          off
+      }
+      Parameter {
+        Variable      "RestoreCustomStateFcn"
+        Value         ""
+        Show          off
+      }
+    }
+    Component {
+      Type          Scope
+      Name          "Scope"
+      Show          on
+      Position      [165, 35]
+      Direction     up
+      Flipped       off
+      LabelPosition south
+      Location      [811, 582; 1161, 825]
+      State         "AAAA/wAAAAD9AAAAAgAAAAEAAAAAAAAAAPwCAAAAA/sAAAAQAFoAbwBvA"
+"G0AQQByAGUAYQAAAAAA/////wAAADQA////+wAAABQAUwBhAHYAZQBkAFYAaQBlAHcAcwAAAAAA//"
+"///wAAAGYA////+wAAAAwAVAByAGEAYwBlAHMAAAAAAP////8AAABmAP///wAAAAMAAAAAAAAAAPw"
+"BAAAAAfsAAAAUAEQAYQB0AGEAVwBpAGQAZwBlAHQAAAAAAP////8AAABQAP///wAAAV4AAADYAAAA"
+"BAAAAAQAAAAIAAAACPwAAAABAAAAAgAAAAEAAAAOAFQAbwBvAGwAQgBhAHIBAAAAAP////8AAAAAA"
+"AAAAA=="
+      SavedViews    "AAAAAgAAAAA="
+      HeaderState   "AAAA/wAAAAAAAAABAAAAAQAAAAAAAAAAAAAAAAAAAAAL/gMAAAAJAAAAA"
+"wAAAGQAAAACAAAAZAAAAAkAAABkAAAACAAAAGQAAAAFAAAAZAAAAAQAAABkAAAABwAAAGQAAAAGAA"
+"AAZAAAAAEAAABkAAAAiwAAAAsBAAABAAAAAAAAAAAAAAAAZP////8AAACBAAAAAAAAAAsAAABzAAA"
+"AAQAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAQAAAAAAAAAA"
+"AAAAAQAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAQAAAAAAA"
+"AAYAAAAAQAAAAAAAAPoAAAAABg="
+      PlotPalettes  "AAAAAQAAAAEAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
+      Axes          "1"
+      TimeRange     "0.0"
+      ScrollingMode "1"
+      SingleTimeAxis "1"
+      Open          "1"
+      Ts            "-1"
+      SampleLimit   "0"
+      XAxisLabel    "Time / s"
+      ShowLegend    "1"
+      Axis {
+        Name          ""
+        AutoScale     1
+        MinValue      0
+        MaxValue      1
+        Signals       {}
+        SignalTypes   [ ]
+        Untangle      0
+        KeepBaseline  off
+        BaselineValue 0
+      }
+      Fourier {
+        SingleXAxis       on
+        AxisLabel         "Frequency / Hz"
+        Scaling           0
+        PhaseDisplay      0
+        ShowFourierLegend off
+        Axis {
+          Name          ""
+          AutoScale     1
+          MinValue      0
+          MaxValue      1
+          Signals       {}
+          Untangle      0
+          KeepBaseline  off
+          BaselineValue 0
+        }
+      }
+    }
+    Component {
+      Type          SignalDemux
+      Name          "Demux"
+      Show          off
+      Position      [165, 100]
+      Direction     right
+      Flipped       on
+      LabelPosition south
+      Parameter {
+        Variable      "Width"
+        Value         "2"
+        Show          off
+      }
+    }
+    Connection {
+      Type          Signal
+      SrcComponent  "C-Script"
+      SrcTerminal   2
+      Points        [135, 70]
+      Branch {
+        DstComponent  "Scope"
+        DstTerminal   1
+      }
+      Branch {
+        Points        [135, 100]
+        DstComponent  "Demux"
+        DstTerminal   1
+      }
+    }
+    Connection {
+      Type          Signal
+      SrcComponent  "Demux"
+      SrcTerminal   2
+      DstComponent  "State Machine"
+      DstTerminal   1
+    }
+    Connection {
+      Type          Signal
+      SrcComponent  "Demux"
+      SrcTerminal   3
+      DstComponent  "State Machine"
+      DstTerminal   2
+    }
+  }
+}
+DemoSignature "C/ZrxOQHJ0OXW30du/vTiFYFVRZZzc0r6Uyc2MRNbyo="