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

135 lines
4.5 KiB
C++

/// @file cut_filament.cpp
#include "cut_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/pulley.h"
#include "../modules/selector.h"
namespace logic {
CutFilament cutFilament;
bool CutFilament::Reset(uint8_t param) {
if (!CheckToolIndex(param)) {
return false;
}
return Reset(param, config::toolChangeAttempts);
}
bool CutFilament::Reset(uint8_t param, uint8_t att) {
error = ErrorCode::RUNNING;
cutSlot = param;
attempts = att;
if (mg::globals.FilamentLoaded() >= mg::FilamentLoadState::InSelector) {
state = ProgressCode::UnloadingFilament;
unl.Reset(cutSlot);
} else {
SelectFilamentSlot();
}
return true;
}
void CutFilament::SelectFilamentSlot() {
state = ProgressCode::SelectingFilamentSlot;
mi::idler.Engage(cutSlot);
ms::selector.MoveToSlot(cutSlot);
ml::leds.SetPairButOffOthers(cutSlot, ml::blink0, ml::off);
}
bool CutFilament::StepInner() {
switch (state) {
case ProgressCode::UnloadingFilament:
if (unl.StepInner()) {
// 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
SelectFilamentSlot();
}
break;
case ProgressCode::SelectingFilamentSlot:
if (mi::idler.Engaged() && ms::selector.Slot() == cutSlot) { // idler and selector finished their moves
mg::globals.SetFilamentLoaded(cutSlot, mg::FilamentLoadState::AtPulley);
feed.Reset(true, true);
state = ProgressCode::FeedingToFinda;
}
break;
case ProgressCode::FeedingToFinda: // @@TODO this state will be reused for repeated cutting of filament ... probably there will be multiple attempts, not sure
if (feed.Step()) {
if (feed.State() == FeedToFinda::Failed) {
// @@TODO
} else {
// unload back to the pulley
state = ProgressCode::UnloadingToPulley;
mpu::pulley.PlanMove(-config::cutLength, config::pulleyUnloadFeedrate);
}
}
break;
case ProgressCode::UnloadingToPulley:
if (mm::motion.QueueEmpty()) { // idler and selector finished their moves
// move selector aside - prepare the blade into active position
state = ProgressCode::PreparingBlade;
mg::globals.SetFilamentLoaded(cutSlot, mg::FilamentLoadState::AtPulley);
ms::selector.MoveToSlot(cutSlot + 1);
}
case ProgressCode::PreparingBlade:
if (ms::selector.Slot() == cutSlot + 1) {
state = ProgressCode::PushingFilament;
mpu::pulley.PlanMove(config::cutLength, config::pulleyUnloadFeedrate); //
}
break;
case ProgressCode::PushingFilament:
if (mm::motion.QueueEmpty()) {
state = ProgressCode::PerformingCut;
ms::selector.MoveToSlot(0);
}
break;
case ProgressCode::PerformingCut:
if (ms::selector.Slot() == 0) { // this may not be necessary if we want the selector and pulley move at once
state = ProgressCode::ReturningSelector;
ms::selector.MoveToSlot(5); // move selector to the other end of its axis to cleanup
}
break;
case ProgressCode::ReturningSelector:
if (ms::selector.Slot() == 5) { // selector returned to position, feed the filament back to FINDA
FinishedOK();
ml::leds.SetPairButOffOthers(mg::globals.ActiveSlot(), ml::on, ml::off);
feed.Reset(true, true);
}
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 CutFilament::State() const {
switch (state) {
case ProgressCode::UnloadingFilament:
return unl.State(); // report sub-automaton states properly
default:
return state;
}
}
ErrorCode CutFilament::Error() const {
switch (state) {
case ProgressCode::UnloadingFilament:
return unl.Error(); // report sub-automaton errors properly
default:
return error;
}
}
} // namespace logic