Diff: GHVentilator.hpp

Revision:

9:256989faeb3b

Child:

10:09fe2b1474bf

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GHVentilator.hpp	Fri Apr 10 11:56:58 2020 +0000
@@ -0,0 +1,171 @@
+/** Gravity Hookah Ventilator @version 0.x
+@link    https://github.com/KabukiStarship/SickBay.git
+@file    /GHVentilaorChannel.cpp
+@author  Cale McCollough <https://cale-mccollough.github.io>
+@license Copyright 2020 (C) Kabuki Starship <kabukistarship.com>.
+This Source Code Form is subject to the terms of the Mozilla Public License, 
+v. 2.0. If a copy of the MPL was not distributed with this file, you can obtain 
+one at <https://mozilla.org/MPL/2.0/>. */
+
+#include "GHVentilator.h"
+#include <mbedBug.h>
+
+namespace SickBay {
+
+GHVentilator::GHVentilator ():
+    Status        (1),
+    Ticks         (0),
+    PressureMin   (0),
+    PressureMax   (1) {}
+
+void GHVentilator::Init (int TicksSecond,
+                         int TicksCalibration, 
+                         float HysteresisChamber,
+                         float HysteresisPatient) {
+  int InhaleTicksMax = TicksSecond * 6; //<
+  this->Status            = -1;
+  this->Ticks             = StateRising;
+  this->TicksMonitor      = TicksSecond;
+  this->TicksSecond       = TicksSecond;
+  this->TicksInhaleMin    = TicksSecond;
+  this->TicksInhaleMax    = InhaleTicksMax;
+  this->TicksExhaleMin    = TicksSecond;
+  this->TicksExhaleMax    = InhaleTicksMax * 3;
+  this->TicksPEEP         = TicksSecond * 5;
+  this->TicksCalibration  = TicksCalibration;
+  this->PressureMin       = Pressure;
+  this->PressureMax       = Pressure;
+  this->HysteresisChamber = HysteresisChamber;
+  this->HysteresisPatient = HysteresisPatient;
+  int TicksInhale = 5 * TicksSecond,
+      TicksExhale = 3 * TicksInhale;
+  
+  for (int Index = ChannelCount - 1; Index > 0; --Index) {
+    float Delta = float (Channels[Index].Pressure) * HysteresisPatient;
+    Channels[Index].Init (this, TicksInhale, TicksExhale, 
+                          static_cast<uint32_t>(Delta));
+  }
+  DPrintf("\nInitalized system with %d Ticks per Second.", TicksSecond);
+}
+
+void GHVentilator::TicksPEEPSet (int NewTicksPEEP) {
+  int TicksPEEPMin = TicksSecond >> 5; //< This divides by 2^5.
+  if (NewTicksPEEP < TicksPEEPMin || NewTicksPEEP > TicksSecond) {
+    DPrintf("\n  > Error PEEP must be betwen 1/32 of a second to 1 second. <");
+    return;
+  }
+  TicksPEEP = NewTicksPEEP;
+}
+
+void GHVentilator::StateCalibrateEnter () {
+  TurnOff ();
+  BlowerTurnOn ();
+  Status = StateCalibrate; //< Make sure to set this last.
+}
+  
+void GHVentilator::StateCalibrateExit () {
+  PressureMax = Pressure;
+  uint32_t HysteresisChamber = this->HysteresisChamber,
+        PressureMid = (PressureMax - PressureMin) / 2;
+  PressureMin = PressureMid - HysteresisChamber;
+  PressureMax = PressureMid + HysteresisChamber;
+  DPrintf ("\n? Done calibrating with PressureMin:%u and PressureMax%u. <",
+           PressureMin, PressureMax);
+}
+
+void GHVentilator::StateSinkingEnter () {
+  Ticks = StateSinking;
+  BlowerTurnOff ();
+}
+
+void GHVentilator::StateRisingEnter () {
+  Ticks = StateRising;
+  BlowerTurnOn ();
+}
+
+void GHVentilator::TurnOff () {
+  BlowerTurnOff();
+  Ticks = 0;
+  Status = 0;
+  Channel1ValveSet (LLLow);
+  #if GHVentilatorChannelCount >= 2
+  Channel2ValveSet (LLLow);
+  #endif
+  #if GHVentilatorChannelCount >= 3
+  Channel3ValveSet (LLLow);
+  #endif
+  #if GHVentilatorChannelCount >= 4
+  Channel4ValveSet (LLLow);
+  #endif
+}
+
+void GHVentilator::ChannelValveSet (GHVentilatorChannel* Channel, int Value) {
+  if      (Channel == &Channels[0]) Channel1ValveSet(Value);
+  else if (Channel == &Channels[1]) Channel2ValveSet(Value);
+  else if (Channel == &Channels[2]) Channel3ValveSet(Value);
+  else if (Channel == &Channels[3]) Channel4ValveSet(Value);
+}
+
+int GHVentilator::TicksInhaleExhaleSet (int Index, 
+                                        int TicksInhale,
+                                        int TicksExhale) {
+  if (Index < 0 || Index >= ChannelCount) return -1;
+  if (TicksInhale <= TicksInhaleMax) return -2;
+  if (TicksInhale >= TicksInhaleMin) return -3;
+  if (Index >= ChannelCount) return 1;
+  if (TicksExhale <= TicksExhaleMax) return 2;
+  if (TicksExhale >= TicksExhaleMin) return 3;
+  Channels[Index].TicksInhaleExhaleSet(TicksInhale, TicksExhale);
+  return 0;
+}
+  
+void GHVentilator::Update() {
+  int Tick = Ticks;
+  if (Tick == 0) {
+    int Status = this->Status;
+    if (Status == 0) return; // We're in the Off State so do nothing.
+    // We're in the Calibrating State
+    if (++Status > TicksCalibration) {
+      StateCalibrateExit ();
+      return;
+    }
+    Status = Status;
+    int Pressure = this->Pressure;
+    if (Pressure >= PressureMax) {
+      this->PressureMax = Pressure;
+    }
+  }
+  else if (Tick <= StateSinking) {
+    if (IsUnderPressure ()) StateSinkingEnter ();
+    else Ticks = Ticks - 1;
+  }
+  else if (Tick >= StateRising) {
+    if (IsOverPressure ()) StateSinkingEnter ();
+    else Ticks = Ticks + 1;
+  }
+  // Check the Channels for state changes.
+  for (int Index = ChannelCount - 1; Index >= 0; --Index) {
+    GHVentilatorChannel* Channel = &Channels[Index];
+    int Tick = Channel->Ticks;
+    if (Tick <= GHVentilatorChannel::StateExhaling) {
+      if (Tick < Channel->TicksExhale) Channel->Inhale (); 
+      else Channel->Ticks = Ticks - 1;
+    }
+    else if (Tick >= GHVentilatorChannel::StateInhaling) {
+      int TicksExhale = Channel->TicksExhale;
+      if (Tick > TicksExhale) {
+        if (Tick > TicksExhale - TicksPEEP) {
+          if (Channel->Pressure >= Channel->PressureReference) 
+            Channel->Inhale ();
+        }
+      } 
+      else Channels->Ticks = Ticks + 1;
+    }
+    else {
+      return;
+    }
+    Ticks = Tick;
+  }
+}
+}   //< namespace SickBay
+#include "GHVentilatorChannel.hpp"
\ No newline at end of file