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/*
* Heater.cpp
*
* Created on: 24 Jul 2019
* Author: David
*/
#include "Heater.h"
#include "RepRap.h"
#include "Platform.h"
#include "Heat.h"
#include "HeaterProtection.h"
#include "Sensors/TemperatureSensor.h"
Heater::Heater(unsigned int num)
: heaterNumber(num), sensorNumber(-1), activeTemperature(0.0), standbyTemperature(0.0),
maxTempExcursion(DefaultMaxTempExcursion), maxHeatingFaultTime(DefaultMaxHeatingFaultTime),
heaterProtection(nullptr), active(false)
{
}
Heater::~Heater()
{
}
// Set the process model returning true if successful
GCodeResult Heater::SetModel(float gain, float tc, float td, float maxPwm, float voltage, bool usePid, bool inverted, const StringRef& reply)
{
const float temperatureLimit = GetHighestTemperatureLimit();
const bool rslt = model.SetParameters(gain, tc, td, maxPwm, temperatureLimit, voltage, usePid, inverted);
if (rslt)
{
if (model.IsEnabled())
{
const GCodeResult rslt = UpdateModel(reply);
if (rslt != GCodeResult::ok)
{
return rslt;
}
const float predictedMaxTemp = gain + NormalAmbientTemperature;
const float noWarnTemp = (temperatureLimit - NormalAmbientTemperature) * 1.5 + 50.0; // allow 50% extra power plus enough for an extra 50C
if (predictedMaxTemp > noWarnTemp)
{
reply.printf("heater %u appears to be over-powered. If left on at full power, its temperature is predicted to reach %dC.\n",
GetHeaterNumber(), (int)predictedMaxTemp);
return GCodeResult::warning;
}
}
else
{
ResetHeater();
}
return GCodeResult::ok;
}
reply.copy("bad model parameters");
return GCodeResult::error;
}
GCodeResult Heater::SetFaultDetectionParameters(float pMaxTempExcursion, float pMaxFaultTime, const StringRef& reply)
{
maxTempExcursion = pMaxTempExcursion;
maxHeatingFaultTime = pMaxFaultTime;
return UpdateFaultDetectionParameters(reply);
}
HeaterStatus Heater::GetStatus() const
{
const HeaterMode mode = GetMode();
return (mode == HeaterMode::fault) ? HeaterStatus::fault
: (mode == HeaterMode::offline) ? HeaterStatus::offline
: (mode == HeaterMode::off) ? HeaterStatus::off
: (mode >= HeaterMode::tuning0) ? HeaterStatus::tuning
: (active) ? HeaterStatus::active
: HeaterStatus::standby;
}
const char* Heater::GetSensorName() const
{
const auto sensor = reprap.GetHeat().FindSensor(sensorNumber);
return (sensor.IsNotNull()) ? sensor->GetSensorName() : nullptr;
}
GCodeResult Heater::Activate(const StringRef& reply)
{
if (GetMode() != HeaterMode::fault)
{
active = true;
return SwitchOn(reply);
}
reply.printf("Can't activate heater %u while in fault state", heaterNumber);
return GCodeResult::error;
}
void Heater::Standby()
{
if (GetMode() != HeaterMode::fault)
{
active = false;
String<1> dummy;
(void)SwitchOn(dummy.GetRef());
}
}
void Heater::SetActiveTemperature(float t)
{
if (t > GetHighestTemperatureLimit())
{
reprap.GetPlatform().MessageF(ErrorMessage, "Temperature %.1f" DEGREE_SYMBOL "C too high for heater %u\n", (double)t, GetHeaterNumber());
}
else if (t < GetLowestTemperatureLimit())
{
reprap.GetPlatform().MessageF(ErrorMessage, "Temperature %.1f" DEGREE_SYMBOL "C too low for heater %u\n", (double)t, GetHeaterNumber());
}
else
{
activeTemperature = t;
if (GetMode() > HeaterMode::suspended && active)
{
String<1> dummy;
(void)SwitchOn(dummy.GetRef());
}
}
}
void Heater::SetStandbyTemperature(float t)
{
if (t > GetHighestTemperatureLimit())
{
reprap.GetPlatform().MessageF(ErrorMessage, "Temperature %.1f" DEGREE_SYMBOL "C too high for heater %u\n", (double)t, GetHeaterNumber());
}
else if (t < GetLowestTemperatureLimit())
{
reprap.GetPlatform().MessageF(ErrorMessage, "Temperature %.1f" DEGREE_SYMBOL "C too low for heater %u\n", (double)t, GetHeaterNumber());
}
else
{
standbyTemperature = t;
if (GetMode() > HeaterMode::suspended && !active)
{
String<1> dummy;
(void)SwitchOn(dummy.GetRef());
}
}
}
// Get the highest temperature limit
float Heater::GetHighestTemperatureLimit() const
{
return reprap.GetHeat().GetHighestTemperatureLimit(GetHeaterNumber());
}
// Get the lowest temperature limit
float Heater::GetLowestTemperatureLimit() const
{
return reprap.GetHeat().GetLowestTemperatureLimit(GetHeaterNumber());
}
void Heater::SetHeaterProtection(HeaterProtection *h)
{
heaterProtection = h;
}
// Check heater protection elements and return true if everything is good
bool Heater::CheckProtection() const
{
for (HeaterProtection *prot = heaterProtection; prot != nullptr; prot = prot->Next())
{
if (!prot->Check())
{
// Something is not right
return false;
}
}
return true;
}
bool Heater::CheckGood() const
{
return GetMode() != HeaterMode::fault && CheckProtection();
}
void Heater::SetModelDefaults()
{
if (reprap.GetHeat().IsBedOrChamberHeater(GetHeaterNumber()))
{
model.SetParameters(DefaultBedHeaterGain, DefaultBedHeaterTimeConstant, DefaultBedHeaterDeadTime, 1.0, DefaultBedTemperatureLimit, 0.0, false, false);
}
else
{
model.SetParameters(DefaultHotEndHeaterGain, DefaultHotEndHeaterTimeConstant, DefaultHotEndHeaterDeadTime, 1.0, DefaultHotEndTemperatureLimit, 0.0, true, false);
}
String<1> dummy;
(void)UpdateModel(dummy.GetRef());
}
// End
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