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/*
* FilamentSensor.cpp
*
* Created on: 20 Jul 2017
* Author: David
*/
#include "FilamentMonitor.h"
#include "SimpleFilamentMonitor.h"
#include "RotatingMagnetFilamentMonitor.h"
#include "LaserFilamentMonitor.h"
#include "PulsedFilamentMonitor.h"
#include "RepRap.h"
#include "Platform.h"
#include "GCodes/GCodeBuffer/GCodeBuffer.h"
#include "Movement/Move.h"
#include "PrintMonitor.h"
// Static data
Mutex FilamentMonitor::filamentSensorsMutex;
FilamentMonitor *FilamentMonitor::filamentSensors[MaxExtruders] = { 0 };
// Default destructor
FilamentMonitor::~FilamentMonitor()
{
}
// Call this to disable the interrupt before deleting or re-configuring a filament monitor
void FilamentMonitor::Disable()
{
port.Release();
}
// Try to get the pin number from the GCode command in the buffer, setting Seen if a pin number was provided and returning true if error.
// Also attaches the ISR.
bool FilamentMonitor::ConfigurePin(GCodeBuffer& gb, const StringRef& reply, InterruptMode interruptMode, bool& seen)
{
if (gb.Seen('C'))
{
seen = true;
if (!port.AssignPort(gb, reply, PinUsedBy::filamentMonitor, PinAccess::read))
{
return true;
}
haveIsrStepsCommanded = false;
if (interruptMode != INTERRUPT_MODE_NONE && !port.AttachInterrupt(InterruptEntry, interruptMode, this))
{
reply.copy("unsuitable pin");
return true;
}
}
else if (seen)
{
// We already had a P parameter, therefore it is an error not to have a C parameter too
reply.copy("no pin name given");
return true;
}
return false;
}
// Static initialisation
/*static*/ void FilamentMonitor::InitStatic()
{
filamentSensorsMutex.Create("FilamentSensors");
}
// Handle M591
/*static*/ GCodeResult FilamentMonitor::Configure(GCodeBuffer& gb, const StringRef& reply, unsigned int extruder)
{
bool seen = false;
uint32_t newSensorType;
gb.TryGetUIValue('P', newSensorType, seen);
MutexLocker lock(filamentSensorsMutex);
FilamentMonitor*& sensor = filamentSensors[extruder];
if (seen)
{
// We are setting the filament monitor type, so see if it has changed
if (sensor != nullptr && newSensorType != sensor->GetType())
{
// We already have a sensor of a different type, so delete the old sensor
sensor->Disable();
delete sensor;
sensor = nullptr;
}
if (sensor == nullptr)
{
sensor = Create(extruder, newSensorType); // create the new sensor type, if any
}
}
if (sensor != nullptr)
{
// Configure the sensor
const bool error = sensor->Configure(gb, reply, seen);
if (error)
{
sensor->Disable();
delete sensor;
sensor = nullptr;
}
return GetGCodeResultFromError(error);
}
else if (!seen)
{
reply.printf("Extruder %u has no filament sensor", extruder);
}
return GCodeResult::ok;
}
// Factory function
/*static*/ FilamentMonitor *FilamentMonitor::Create(unsigned int extruder, unsigned int type)
{
switch (type)
{
case 1: // active high switch
case 2: // active low switch
return new SimpleFilamentMonitor(extruder, type);
break;
case 3: // duet3d rotating magnet, no switch
case 4: // duet3d rotating magnet + switch
return new RotatingMagnetFilamentMonitor(extruder, type);
case 5: // duet3d laser, no switch
case 6: // duet3d laser + switch
return new LaserFilamentMonitor(extruder, type);
case 7: // simple pulse output sensor
return new PulsedFilamentMonitor(extruder, type);
break;
default: // no sensor, or unknown sensor
return nullptr;
}
}
// Return an error message corresponding to a status code
/*static*/ const char *FilamentMonitor::GetErrorMessage(FilamentSensorStatus f)
{
switch(f)
{
case FilamentSensorStatus::ok: return "no error";
case FilamentSensorStatus::noFilament: return "no filament";
case FilamentSensorStatus::tooLittleMovement: return "too little movement";
case FilamentSensorStatus::tooMuchMovement: return "too much movement";
case FilamentSensorStatus::sensorError: return "sensor not working";
default: return "unknown error";
}
}
// ISR
/*static*/ void FilamentMonitor::InterruptEntry(CallbackParameter param)
{
FilamentMonitor * const fm = static_cast<FilamentMonitor*>(param.vp);
if (fm->Interrupt())
{
fm->isrExtruderStepsCommanded = reprap.GetMove().GetAccumulatedExtrusion(fm->extruderNumber, fm->isrWasPrinting);
fm->haveIsrStepsCommanded = true;
fm->isrMillis = millis();
}
}
/*static*/ void FilamentMonitor::Spin()
{
MutexLocker lock(filamentSensorsMutex);
// Filament sensors
for (size_t extruder = 0; extruder < MaxExtruders; ++extruder)
{
if (filamentSensors[extruder] != nullptr)
{
FilamentMonitor& fs = *filamentSensors[extruder];
GCodes& gCodes = reprap.GetGCodes();
bool isPrinting;
bool fromIsr;
int32_t extruderStepsCommanded;
uint32_t isrMillis;
cpu_irq_disable();
if (fs.haveIsrStepsCommanded)
{
extruderStepsCommanded = fs.isrExtruderStepsCommanded;
isPrinting = fs.isrWasPrinting;
isrMillis = fs.isrMillis;
fs.haveIsrStepsCommanded = false;
cpu_irq_enable();
fromIsr = true;
}
else
{
cpu_irq_enable();
extruderStepsCommanded = reprap.GetMove().GetAccumulatedExtrusion(extruder, isPrinting); // get and clear the net extrusion commanded
fromIsr = false;
isrMillis = 0;
}
if (gCodes.IsReallyPrinting() && !gCodes.IsSimulating())
{
const float extrusionCommanded = (float)extruderStepsCommanded/reprap.GetPlatform().DriveStepsPerUnit(ExtruderToLogicalDrive(extruder));
const FilamentSensorStatus fstat = fs.Check(isPrinting, fromIsr, isrMillis, extrusionCommanded);
if (fstat != FilamentSensorStatus::ok)
{
if (reprap.Debug(moduleFilamentSensors))
{
debugPrintf("Filament error: extruder %u reports %s\n", extruder, FilamentMonitor::GetErrorMessage(fstat));
}
else
{
gCodes.FilamentError(extruder, fstat);
}
}
}
else
{
fs.Clear();
}
}
}
}
// Send diagnostics info
/*static*/ void FilamentMonitor::Diagnostics(MessageType mtype)
{
bool first = true;
for (size_t i = 0; i < MaxExtruders; ++i)
{
if (filamentSensors[i] != nullptr)
{
if (first)
{
reprap.GetPlatform().Message(mtype, "=== Filament sensors ===\n");
first = false;
}
filamentSensors[i]->Diagnostics(mtype, i);
}
}
}
// End
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