Skip to content

Commit

Permalink
Add Prusa MMU2S settings - beta (#17523)
Browse files Browse the repository at this point in the history
  • Loading branch information
@tonihoang
tonihoang authored Apr 26, 2020
1 parent 02a054c commit 21067ab
Show file tree
Hide file tree
Showing 6 changed files with 138 additions and 41 deletions.
19 changes: 19 additions & 0 deletions Marlin/Configuration_adv.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -3267,6 +3267,25 @@
{ 10.0, 700 }, \
{ -10.0, 400 }, \
{ -50.0, 2000 }
#endif

// Using a sensor like the MMU2S
//#define PRUSA_MMU2_S_MODE
#if ENABLED(PRUSA_MMU2_S_MODE)
#define MMU2_C0_RETRY 5 // Number of retries (total time = timeout*retries)

#define MMU2_CAN_LOAD_FEEDRATE 800 // (mm/m)
#define MMU2_CAN_LOAD_SEQUENCE \
{ 0.1, MMU2_CAN_LOAD_FEEDRATE }, \
{ 60.0, MMU2_CAN_LOAD_FEEDRATE }, \
{ -52.0, MMU2_CAN_LOAD_FEEDRATE }

#define MMU2_CAN_LOAD_RETRACT 6.0 // (mm) Keep under the distance between Load Sequence values
#define MMU2_CAN_LOAD_DEVIATION 0.8 // (mm) Acceptable deviation

#define MMU2_CAN_LOAD_INCREMENT 0.2 // (mm) To reuse within MMU2 module
#define MMU2_CAN_LOAD_INCREMENT_SEQUENCE \
{ -MMU2_CAN_LOAD_INCREMENT, MMU2_CAN_LOAD_FEEDRATE }

#endif

Expand Down
128 changes: 97 additions & 31 deletions Marlin/src/feature/mmu2/mmu2.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,9 @@ MMU2 mmu2;
#define mmuSerial MMU2_SERIAL

bool MMU2::enabled, MMU2::ready, MMU2::mmu_print_saved;
#if ENABLED(PRUSA_MMU2_S_MODE)
bool MMU2::mmu2s_triggered;
#endif
uint8_t MMU2::cmd, MMU2::cmd_arg, MMU2::last_cmd, MMU2::extruder;
int8_t MMU2::state = 0;
volatile int8_t MMU2::finda = 1;
Expand All @@ -106,8 +109,14 @@ char MMU2::rx_buffer[MMU_RX_SIZE], MMU2::tx_buffer[MMU_TX_SIZE];
feedRate_t feedRate; //!< feed rate in mm/s
};

static constexpr E_Step ramming_sequence[] PROGMEM = { MMU2_RAMMING_SEQUENCE };
static constexpr E_Step load_to_nozzle_sequence[] PROGMEM = { MMU2_LOAD_TO_NOZZLE_SEQUENCE };
static constexpr E_Step
ramming_sequence[] PROGMEM = { MMU2_RAMMING_SEQUENCE }
, load_to_nozzle_sequence[] PROGMEM = { MMU2_LOAD_TO_NOZZLE_SEQUENCE }
#if ENABLED(PRUSA_MMU2_S_MODE)
, can_load_sequence[] PROGMEM = { MMU2_CAN_LOAD_SEQUENCE }
, can_load_increment_sequence[] PROGMEM = { MMU2_CAN_LOAD_INCREMENT_SEQUENCE }
#endif
;

#endif // MMU2_MENUS

Expand Down Expand Up @@ -228,6 +237,7 @@ void MMU2::mmu_loop() {

enabled = true;
state = 1;
TERN_(PRUSA_MMU2_S_MODE, mmu2s_triggered = false);
}
break;

Expand Down Expand Up @@ -291,6 +301,8 @@ void MMU2::mmu_loop() {
tx_str_P(PSTR("P0\n"));
state = 2; // wait for response
}

TERN_(PRUSA_MMU2_S_MODE, check_filament());
break;

case 2: // response to command P0
Expand All @@ -309,6 +321,7 @@ void MMU2::mmu_loop() {
else if (ELAPSED(millis(), last_request + MMU_P0_TIMEOUT)) // Resend request after timeout (3s)
state = 1;

TERN_(PRUSA_MMU2_S_MODE, check_filament());
break;

case 3: // response to mmu commands
Expand All @@ -327,6 +340,7 @@ void MMU2::mmu_loop() {
}
state = 1;
}
TERN_(PRUSA_MMU2_S_MODE, check_filament());
break;
}
}
Expand Down Expand Up @@ -437,6 +451,33 @@ void MMU2::check_version() {
}
}

static bool mmu2_not_responding() {
LCD_MESSAGEPGM(MSG_MMU2_NOT_RESPONDING);
BUZZ(100, 659);
BUZZ(200, 698);
BUZZ(100, 659);
BUZZ(300, 440);
BUZZ(100, 659);
}

#if ENABLED(PRUSA_MMU2_S_MODE)

bool MMU2::load_to_gears() {
command(MMU_CMD_C0);
manage_response(true, true);
LOOP_L_N(i, MMU2_C0_RETRY) { // Keep loading until filament reaches gears
if (mmu2s_triggered) break;
command(MMU_CMD_C0);
manage_response(true, true);
check_filament();
}
const bool success = mmu2s_triggered && can_load();
if (!success) mmu2_not_responding();
return success;
}

#endif

/**
* Handle tool change
*/
Expand All @@ -452,18 +493,15 @@ void MMU2::tool_change(uint8_t index) {
ui.status_printf_P(0, GET_TEXT(MSG_MMU2_LOADING_FILAMENT), int(index + 1));

command(MMU_CMD_T0 + index);

manage_response(true, true);

command(MMU_CMD_C0);
extruder = index; //filament change is finished
active_extruder = 0;

ENABLE_AXIS_E0();

SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR(STR_ACTIVE_EXTRUDER, int(extruder));

if (load_to_gears()) {
extruder = index; // filament change is finished
active_extruder = 0;
ENABLE_AXIS_E0();
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR(STR_ACTIVE_EXTRUDER, int(extruder));
}
ui.reset_status();
}

Expand Down Expand Up @@ -500,12 +538,13 @@ void MMU2::tool_change(const char* special) {
DISABLE_AXIS_E0();
command(MMU_CMD_T0 + index);
manage_response(true, true);
command(MMU_CMD_C0);
mmu_loop();

ENABLE_AXIS_E0();
extruder = index;
active_extruder = 0;
if (load_to_gears()) {
mmu_loop();
ENABLE_AXIS_E0();
extruder = index;
active_extruder = 0;
}
} break;

case 'c': {
Expand Down Expand Up @@ -579,12 +618,7 @@ void MMU2::manage_response(const bool move_axes, const bool turn_off_nozzle) {

if (turn_off_nozzle) thermalManager.setTargetHotend(0, active_extruder);

LCD_MESSAGEPGM(MSG_MMU2_NOT_RESPONDING);
BUZZ(100, 659);
BUZZ(200, 698);
BUZZ(100, 659);
BUZZ(300, 440);
BUZZ(100, 659);
mmu2_not_responding();
}
}
else if (mmu_print_saved) {
Expand Down Expand Up @@ -632,6 +666,39 @@ void MMU2::filament_runout() {
planner.synchronize();
}

#if ENABLED(PRUSA_MMU2_S_MODE)
void MMU2::check_filament() {
const bool runout = READ(FIL_RUNOUT_PIN) ^ (FIL_RUNOUT_INVERTING);
if (runout && !mmu2s_triggered) {
DEBUG_ECHOLNPGM("MMU <= 'A'");
tx_str_P(PSTR("A\n"));
}
mmu2s_triggered = runout;
}

bool MMU2::can_load() {
execute_extruder_sequence((const E_Step *)can_load_sequence, COUNT(can_load_sequence));

int filament_detected_count = 0;
const int steps = MMU2_CAN_LOAD_RETRACT / MMU2_CAN_LOAD_INCREMENT;
DEBUG_ECHOLNPGM("MMU can_load:");
LOOP_L_N(i, steps) {
execute_extruder_sequence((const E_Step *)can_load_increment_sequence, COUNT(can_load_increment_sequence));
check_filament(); // Don't trust the idle function
DEBUG_CHAR(mmu2s_triggered ? 'O' : 'o');
if (mmu2s_triggered) ++filament_detected_count;
}

if (filament_detected_count <= steps - (MMU2_CAN_LOAD_DEVIATION / MMU2_CAN_LOAD_INCREMENT)) {
DEBUG_ECHOLNPGM(" failed.");
return false;
}

DEBUG_ECHOLNPGM(" succeeded.");
return true;
}
#endif

#if BOTH(HAS_LCD_MENU, MMU2_MENUS)

// Load filament into MMU2
Expand All @@ -656,20 +723,19 @@ void MMU2::filament_runout() {
LCD_ALERTMESSAGEPGM(MSG_HOTEND_TOO_COLD);
return false;
}
else {
command(MMU_CMD_T0 + index);
manage_response(true, true);
command(MMU_CMD_C0);
mmu_loop();

command(MMU_CMD_T0 + index);
manage_response(true, true);

const bool success = load_to_gears();
if (success) {
mmu_loop();
extruder = index;
active_extruder = 0;

load_to_nozzle();

BUZZ(200, 404);
return true;
}
return success;
}

/**
Expand Down
10 changes: 10 additions & 0 deletions Marlin/src/feature/mmu2/mmu2.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,17 @@ class MMU2 {

static void filament_runout();

#if ENABLED(PRUSA_MMU2_S_MODE)
static bool mmu2s_triggered;
static void check_filament();
static bool can_load();
static bool load_to_gears();
#else
FORCE_INLINE static bool load_to_gears() { return true; }
#endif

static bool enabled, ready, mmu_print_saved;

static uint8_t cmd, cmd_arg, last_cmd, extruder;
static int8_t state;
static volatile int8_t finda;
Expand Down
2 changes: 2 additions & 0 deletions Marlin/src/inc/SanityCheck.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2740,6 +2740,8 @@ static_assert( _ARR_TEST(3,0) && _ARR_TEST(3,1) && _ARR_TEST(3,2)
#error "PRUSA_MMU2 requires NOZZLE_PARK_FEATURE."
#elif EXTRUDERS != 5
#error "PRUSA_MMU2 requires EXTRUDERS = 5."
#elif ENABLED(PRUSA_MMU2_S_MODE) && DISABLED(FILAMENT_RUNOUT_SENSOR)
#error "PRUSA_MMU2_S_MODE requires FILAMENT_RUNOUT_SENSOR. Enable it to continue."
#elif DISABLED(ADVANCED_PAUSE_FEATURE)
static_assert(nullptr == strstr(MMU2_FILAMENT_RUNOUT_SCRIPT, "M600"), "ADVANCED_PAUSE_FEATURE is required to use M600 with PRUSA_MMU2.");
#endif
Expand Down
18 changes: 9 additions & 9 deletions Marlin/src/lcd/language/language_en.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -528,21 +528,21 @@ namespace Language_en {
PROGMEM Language_Str MSG_MMU2_MENU = _UxGT("MMU");
PROGMEM Language_Str MSG_KILL_MMU2_FIRMWARE = _UxGT("Update MMU Firmware!");
PROGMEM Language_Str MSG_MMU2_NOT_RESPONDING = _UxGT("MMU Needs Attention.");
PROGMEM Language_Str MSG_MMU2_RESUME = _UxGT("Resume Print");
PROGMEM Language_Str MSG_MMU2_RESUMING = _UxGT("Resuming...");
PROGMEM Language_Str MSG_MMU2_LOAD_FILAMENT = _UxGT("Load Filament");
PROGMEM Language_Str MSG_MMU2_LOAD_ALL = _UxGT("Load All");
PROGMEM Language_Str MSG_MMU2_LOAD_TO_NOZZLE = _UxGT("Load to Nozzle");
PROGMEM Language_Str MSG_MMU2_EJECT_FILAMENT = _UxGT("Eject Filament");
PROGMEM Language_Str MSG_MMU2_EJECT_FILAMENT_N = _UxGT("Eject Filament ~");
PROGMEM Language_Str MSG_MMU2_UNLOAD_FILAMENT = _UxGT("Unload Filament");
PROGMEM Language_Str MSG_MMU2_RESUME = _UxGT("MMU Resume");
PROGMEM Language_Str MSG_MMU2_RESUMING = _UxGT("MMU Resuming...");
PROGMEM Language_Str MSG_MMU2_LOAD_FILAMENT = _UxGT("MMU Load");
PROGMEM Language_Str MSG_MMU2_LOAD_ALL = _UxGT("MMU Load All");
PROGMEM Language_Str MSG_MMU2_LOAD_TO_NOZZLE = _UxGT("MMU Load to Nozzle");
PROGMEM Language_Str MSG_MMU2_EJECT_FILAMENT = _UxGT("MMU Eject");
PROGMEM Language_Str MSG_MMU2_EJECT_FILAMENT_N = _UxGT("MMU Eject ~");
PROGMEM Language_Str MSG_MMU2_UNLOAD_FILAMENT = _UxGT("MMU Unload");
PROGMEM Language_Str MSG_MMU2_LOADING_FILAMENT = _UxGT("Loading Fil. %i...");
PROGMEM Language_Str MSG_MMU2_EJECTING_FILAMENT = _UxGT("Ejecting Fil. ...");
PROGMEM Language_Str MSG_MMU2_UNLOADING_FILAMENT = _UxGT("Unloading Fil....");
PROGMEM Language_Str MSG_MMU2_ALL = _UxGT("All");
PROGMEM Language_Str MSG_MMU2_FILAMENT_N = _UxGT("Filament ~");
PROGMEM Language_Str MSG_MMU2_RESET = _UxGT("Reset MMU");
PROGMEM Language_Str MSG_MMU2_RESETTING = _UxGT("Resetting MMU...");
PROGMEM Language_Str MSG_MMU2_RESETTING = _UxGT("MMU Resetting...");
PROGMEM Language_Str MSG_MMU2_EJECT_RECOVER = _UxGT("Remove, click");

PROGMEM Language_Str MSG_MIX = _UxGT("Mix");
Expand Down
2 changes: 1 addition & 1 deletion buildroot/share/tests/mega2560-tests
View file
Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@ opt_set NUM_SERVOS 1
opt_enable ZONESTAR_LCD Z_PROBE_SERVO_NR Z_SERVO_ANGLES DEACTIVATE_SERVOS_AFTER_MOVE BOOT_MARLIN_LOGO_ANIMATED \
AUTO_BED_LEVELING_3POINT DEBUG_LEVELING_FEATURE EEPROM_SETTINGS EEPROM_CHITCHAT M114_DETAIL \
NO_VOLUMETRICS EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES AUTOTEMP G38_PROBE_TARGET JOYSTICK \
PRUSA_MMU2 MMU2_MENUS NOZZLE_PARK_FEATURE ADVANCED_PAUSE_FEATURE Z_SAFE_HOMING
PRUSA_MMU2 MMU2_MENUS PRUSA_MMU2_S_MODE FILAMENT_RUNOUT_SENSOR NOZZLE_PARK_FEATURE ADVANCED_PAUSE_FEATURE Z_SAFE_HOMING
exec_test $1 $2 "RAMPS | ZONESTAR_LCD | MMU2 | Servo Probe | ABL 3-Pt | Debug Leveling | EEPROM | G38 ..."

#
Expand Down

0 comments on commit 21067ab

Please sign in to comment.