Prusa-Firmware-MMU/src/logic/eject_filament.cpp

97 lines
2.8 KiB
C++

#include "eject_filament.h"
#include "../modules/buttons.h"
#include "../modules/finda.h"
#include "../modules/globals.h"
#include "../modules/idler.h"
#include "../modules/leds.h"
#include "../modules/motion.h"
#include "../modules/permanent_storage.h"
#include "../modules/selector.h"
namespace logic {
EjectFilament ejectFilament;
namespace mm = modules::motion;
namespace mi = modules::idler;
namespace ms = modules::selector;
namespace mg = modules::globals;
void EjectFilament::Reset(uint8_t param) {
error = ErrorCode::OK;
slot = param;
if (mg::globals.FilamentLoaded()) {
state = ProgressCode::UnloadingFilament;
unl.Reset(param); //@@TODO probably act on active extruder only
} else {
MoveSelectorAside();
}
}
void EjectFilament::MoveSelectorAside() {
state = ProgressCode::ParkingSelector;
const uint8_t selectorParkedPos = (slot <= 2) ? 4 : 0;
mi::idler.Engage(slot);
ms::selector.MoveToSlot(selectorParkedPos);
}
bool EjectFilament::Step() {
switch (state) {
case ProgressCode::UnloadingFilament:
if (unl.Step()) {
// unloading sequence finished - basically, no errors can occurr here
// as UnloadFilament should handle all the possible error states on its own
// There is no way the UnloadFilament to finish in an error state
MoveSelectorAside();
}
break;
case ProgressCode::ParkingSelector:
if (mm::motion.QueueEmpty()) { // selector parked aside
state = ProgressCode::EjectingFilament;
mm::motion.InitAxis(mm::Pulley);
mm::motion.PlanMove<mm::Pulley>(ejectLenght, ejectSpeed);
}
break;
case ProgressCode::EjectingFilament:
if (mm::motion.QueueEmpty()) { // filament ejected
state = ProgressCode::DisengagingIdler;
mi::idler.Disengage();
}
break;
case ProgressCode::DisengagingIdler:
if (!mi::idler.Engaged()) { // idler disengaged
mm::motion.Disable(mm::Pulley);
state = ProgressCode::OK;
}
break;
case ProgressCode::OK:
return true;
default: // we got into an unhandled state, better report it
state = ProgressCode::ERRInternal;
error = ErrorCode::INTERNAL;
return true;
}
return false;
}
ProgressCode EjectFilament::State() const {
switch (state) {
case ProgressCode::UnloadingFilament:
return unl.State(); // report sub-automaton states properly
default:
return state;
}
}
ErrorCode EjectFilament::Error() const {
switch (state) {
case ProgressCode::UnloadingFilament:
return unl.Error(); // report sub-automaton errors properly
default:
return error;
}
}
} // namespace logic