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@ -585,7 +585,7 @@ static void mmu2_not_responding() { |
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command(MMU_CMD_T0 + index); |
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manage_response(true, true); |
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mmu_continue_loading(); |
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command(MMU_CMD_C0); |
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//command(MMU_CMD_C0);
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extruder = index; |
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active_extruder = 0; |
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@ -653,13 +653,34 @@ static void mmu2_not_responding() { |
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} |
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void MMU2::mmu_continue_loading() { |
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// Try to load the filament a limited number of times
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bool fil_present = 0; |
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for (uint8_t i = 0; i < MMU_LOADING_ATTEMPTS_NR; i++) { |
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DEBUG_ECHOLNPGM("Additional load attempt #", i); |
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if (FILAMENT_PRESENT()) break; |
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DEBUG_ECHOLNPGM("Load attempt #", i + 1); |
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// Done as soon as filament is present
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fil_present = FILAMENT_PRESENT(); |
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if (fil_present) break; |
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// Attempt to load the filament, 1mm at a time, for 3s
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command(MMU_CMD_C0); |
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stepper.enable_extruder(); |
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const millis_t expire_ms = millis() + 3000; |
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do { |
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current_position.e += 1; |
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line_to_current_position(MMU_LOAD_FEEDRATE); |
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planner.synchronize(); |
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// When (T0 rx->ok) load is ready, but in fact it did not load
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// successfully or an overload created pressure in the extruder.
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// Send (C0) to load more and move E_AXIS a little to release pressure.
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if ((fil_present = FILAMENT_PRESENT())) MMU2_COMMAND("A"); |
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} while (!fil_present && PENDING(millis(), expire_ms)); |
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stepper.disable_extruder(); |
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manage_response(true, true); |
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} |
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if (!FILAMENT_PRESENT()) { |
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// Was the filament still missing in the last check?
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if (!fil_present) { |
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DEBUG_ECHOLNPGM("Filament never reached sensor, runout"); |
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filament_runout(); |
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} |
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@ -682,7 +703,7 @@ static void mmu2_not_responding() { |
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command(MMU_CMD_T0 + index); |
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manage_response(true, true); |
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command(MMU_CMD_C0); |
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extruder = index; //filament change is finished
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extruder = index; // Filament change is finished
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active_extruder = 0; |
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stepper.enable_extruder(); |
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SERIAL_ECHO_MSG(STR_ACTIVE_EXTRUDER, extruder); |
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