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Clean up and document load/unload/pause/resume

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This commit is contained in:
Scott Lahteine 2018-01-22 04:37:40 -06:00
parent 266086670b
commit b1cd012aa6
4 changed files with 87 additions and 19 deletions
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94
Marlin/src/feature/pause.cpp
View file

@ -83,6 +83,15 @@ float filament_change_unload_length[EXTRUDERS],
}
#endif
/**
* Ensure a safe temperature for extrusion
*
* - Fail if the TARGET temperature is too low
* - Display LCD placard with temperature status
* - Return when heating is done or aborted
*
* Returns 'true' if heating was completed, 'false' for abort
*/
static bool ensure_safe_temperature(const AdvancedPauseMode mode=ADVANCED_PAUSE_MODE_PAUSE_PRINT) {
#if ENABLED(PREVENT_COLD_EXTRUSION)
@ -115,7 +124,19 @@ static void do_pause_e_move(const float &length, const float &fr) {
set_current_from_destination();
}
bool load_filament(const float &load_length/*=0*/, const float &extrude_length/*=0*/, const int8_t max_beep_count/*=0*/,
/**
* Load filament into the hotend
*
* - Fail if the a safe temperature was not reached
* - If pausing for confirmation, wait for a click or M108
* - Show "wait for load" placard
* - Load and purge filament
* - Show "Purge more" / "Continue" menu
* - Return when "Continue" is selected
*
* Returns 'true' if load was completed, 'false' for abort
*/
bool load_filament(const float &load_length/*=0*/, const float &purge_length/*=0*/, const int8_t max_beep_count/*=0*/,
const bool show_lcd/*=false*/, const bool pause_for_user/*=false*/,
const AdvancedPauseMode mode/*=ADVANCED_PAUSE_MODE_PAUSE_PRINT*/
) {
@ -158,15 +179,15 @@ bool load_filament(const float &load_length/*=0*/, const float &extrude_length/*
}
#if ENABLED(ULTIPANEL)
if (show_lcd) // Show "load" message
if (show_lcd) // Show "wait for load" message
lcd_advanced_pause_show_message(ADVANCED_PAUSE_MESSAGE_LOAD, mode);
#endif
// Load filament
do_pause_e_move(load_length, FILAMENT_CHANGE_LOAD_FEEDRATE);
if (load_length) do_pause_e_move(load_length, FILAMENT_CHANGE_LOAD_FEEDRATE);
do {
if (extrude_length > 0) {
if (purge_length > 0) {
// "Wait for filament purge"
#if ENABLED(ULTIPANEL)
if (show_lcd)
@ -174,10 +195,10 @@ bool load_filament(const float &load_length/*=0*/, const float &extrude_length/*
#endif
// Extrude filament to get into hotend
do_pause_e_move(extrude_length, ADVANCED_PAUSE_EXTRUDE_FEEDRATE);
do_pause_e_move(purge_length, ADVANCED_PAUSE_EXTRUDE_FEEDRATE);
}
// Show "Extrude More" / "Resume" menu and wait for reply
// Show "Purge More" / "Resume" menu and wait for reply
#if ENABLED(ULTIPANEL)
if (show_lcd) {
KEEPALIVE_STATE(PAUSED_FOR_USER);
@ -188,7 +209,7 @@ bool load_filament(const float &load_length/*=0*/, const float &extrude_length/*
}
#endif
// Keep looping if "Extrude More" was selected
// Keep looping if "Purge More" was selected
} while (
#if ENABLED(ULTIPANEL)
show_lcd && advanced_pause_menu_response == ADVANCED_PAUSE_RESPONSE_EXTRUDE_MORE
@ -200,6 +221,16 @@ bool load_filament(const float &load_length/*=0*/, const float &extrude_length/*
return true;
}
/**
* Unload filament from the hotend
*
* - Fail if the a safe temperature was not reached
* - Show "wait for unload" placard
* - Retract, pause, then unload filament
* - Disable E stepper (on most machines)
*
* Returns 'true' if unload was completed, 'false' for abort
*/
bool unload_filament(const float &unload_length, const bool show_lcd/*=false*/,
const AdvancedPauseMode mode/*=ADVANCED_PAUSE_MODE_PAUSE_PRINT*/
) {
@ -242,6 +273,19 @@ bool unload_filament(const float &unload_length, const bool show_lcd/*=false*/,
// public:
/**
* Pause procedure
*
* - Abort if already paused
* - Send host action for pause, if configured
* - Abort if TARGET temperature is too low
* - Display "wait for start of filament change" (if a length was specified)
* - Initial retract, if current temperature is hot enough
* - Park the nozzle at the given position
* - Call unload_filament (if a length was specified)
*
* Returns 'true' if pause was completed, 'false' for abort
*/
uint8_t did_pause_print = 0;
bool pause_print(const float &retract, const point_t &park_point, const float &unload_length/*=0*/, const bool show_lcd/*=false*/) {
@ -277,7 +321,7 @@ bool pause_print(const float &retract, const point_t &park_point, const float &u
#if ENABLED(SDSUPPORT)
if (card.sdprinting) {
card.pauseSDPrint();
++did_pause_print;
++did_pause_print; // Indicate SD pause also
}
#endif
print_job_timer.pause();
@ -302,6 +346,13 @@ bool pause_print(const float &retract, const point_t &park_point, const float &u
return true;
}
/**
* - Show "Insert filament and press button to continue"
* - Wait for a click before returning
* - Heaters can time out, reheated before accepting a click
*
* Used by M125 and M600
*/
void wait_for_filament_reload(const int8_t max_beep_count/*=0*/) {
bool nozzle_timed_out = false;
@ -388,12 +439,29 @@ void wait_for_filament_reload(const int8_t max_beep_count/*=0*/) {
KEEPALIVE_STATE(IN_HANDLER);
}
void resume_print(const float &load_length/*=0*/, const float &extrude_length/*=ADVANCED_PAUSE_EXTRUDE_LENGTH*/, const int8_t max_beep_count/*=0*/) {
bool nozzle_timed_out = false;
/**
* Resume or Start print procedure
*
* - Abort if not paused
* - Reset heater idle timers
* - Load filament if specified, but only if:
* - a nozzle timed out, or
* - the nozzle is already heated.
* - Display "wait for print to resume"
* - Re-prime the nozzle...
* - FWRETRACT: Recover/prime from the prior G10.
* - !FWRETRACT: Retract by resume_position[E], if negative.
* Not sure how this logic comes into use.
* - Move the nozzle back to resume_position
* - Sync the planner E to resume_position[E]
* - Send host action for resume, if configured
* - Resume the current SD print job, if any
*/
void resume_print(const float &load_length/*=0*/, const float &purge_length/*=ADVANCED_PAUSE_EXTRUDE_LENGTH*/, const int8_t max_beep_count/*=0*/) {
if (!did_pause_print) return;
// Re-enable the heaters if they timed out
bool nozzle_timed_out = false;
HOTEND_LOOP() {
nozzle_timed_out |= thermalManager.is_heater_idle(e);
thermalManager.reset_heater_idle_timer(e);
@ -401,7 +469,7 @@ void resume_print(const float &load_length/*=0*/, const float &extrude_length/*=
if (nozzle_timed_out || thermalManager.hotEnoughToExtrude(active_extruder)) {
// Load the new filament
load_filament(load_length, extrude_length, max_beep_count, true, nozzle_timed_out);
load_filament(load_length, purge_length, max_beep_count, true, nozzle_timed_out);
}
#if ENABLED(ULTIPANEL)
@ -415,7 +483,7 @@ void resume_print(const float &load_length/*=0*/, const float &extrude_length/*=
if (fwretract.retracted[active_extruder])
do_pause_e_move(-fwretract.retract_length, fwretract.retract_feedrate_mm_s);
#else
// If resume_position negative
// If resume_position is negative
if (resume_position[E_AXIS] < 0) do_pause_e_move(resume_position[E_AXIS], PAUSE_PARK_RETRACT_FEEDRATE);
#endif

6
Marlin/src/gcode/feature/pause/M125.cpp
View file

@ -50,11 +50,11 @@
*/
void GcodeSuite::M125() {
// Initial retract before move to filament change position
const float retract = parser.seen('L') ? parser.value_axis_units(E_AXIS) : 0
const float retract = -FABS(parser.seen('L') ? parser.value_axis_units(E_AXIS) : 0
#ifdef PAUSE_PARK_RETRACT_LENGTH
- (PAUSE_PARK_RETRACT_LENGTH)
+ (PAUSE_PARK_RETRACT_LENGTH)
#endif
;
);
point_t park_point = NOZZLE_PARK_POINT;

2
Marlin/src/gcode/feature/pause/M600.cpp
View file

@ -56,7 +56,7 @@ void GcodeSuite::M600() {
if (get_target_extruder_from_command()) return;
// Show initial message
// Show initial "wait for start" message
#if ENABLED(ULTIPANEL)
lcd_advanced_pause_show_message(ADVANCED_PAUSE_MESSAGE_INIT, ADVANCED_PAUSE_MODE_PAUSE_PRINT, target_extruder);
#endif

4
Marlin/src/gcode/feature/pause/M701_M702.cpp
View file

@ -59,7 +59,7 @@ void GcodeSuite::M701() {
const float load_length = FABS(parser.seen('L') ? parser.value_axis_units(E_AXIS) :
filament_change_load_length[target_extruder]);
// Show initial message
// Show initial "wait for load" message
#if ENABLED(ULTIPANEL)
lcd_advanced_pause_show_message(ADVANCED_PAUSE_MESSAGE_LOAD, ADVANCED_PAUSE_MODE_LOAD_FILAMENT, target_extruder);
#endif
@ -112,7 +112,7 @@ void GcodeSuite::M702() {
// Z axis lift
if (parser.seenval('Z')) park_point.z = parser.linearval('Z');
// Show initial message
// Show initial "wait for unload" message
#if ENABLED(ULTIPANEL)
lcd_advanced_pause_show_message(ADVANCED_PAUSE_MESSAGE_UNLOAD, ADVANCED_PAUSE_MODE_UNLOAD_FILAMENT, target_extruder);
#endif