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112 lines
3.1 KiB
112 lines
3.1 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include "../../inc/MarlinConfig.h"
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#if HAS_FILAMENT_SENSOR
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#include "../runout.h"
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#endif
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#if SERIAL_USB
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#define MMU_RX_SIZE 256
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#define MMU_TX_SIZE 256
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#else
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#define MMU_RX_SIZE 16
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#define MMU_TX_SIZE 16
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#endif
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struct E_Step;
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class MMU2 {
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public:
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MMU2();
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static void init();
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static void reset();
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static bool enabled() { return _enabled; }
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static void mmu_loop();
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static void tool_change(const uint8_t index);
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static void tool_change(const char *special);
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static uint8_t get_current_tool();
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static void set_filament_type(const uint8_t index, const uint8_t type);
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static bool unload();
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static void load_filament(uint8_t);
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static void load_all();
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static bool load_filament_to_nozzle(const uint8_t index);
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static bool eject_filament(const uint8_t index, const bool recover);
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private:
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static bool rx_str(FSTR_P fstr);
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static void tx_str(FSTR_P fstr);
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static void tx_printf(FSTR_P ffmt, const int argument);
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static void tx_printf(FSTR_P ffmt, const int argument1, const int argument2);
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static void clear_rx_buffer();
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static bool rx_ok();
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static bool rx_start();
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static void check_version();
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static void command(const uint8_t cmd);
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static bool get_response();
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static void manage_response(const bool move_axes, const bool turn_off_nozzle);
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static void load_to_nozzle();
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static void execute_extruder_sequence(const E_Step * sequence, int steps);
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static void filament_runout();
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#if HAS_PRUSA_MMU2S
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static bool mmu2s_triggered;
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static void check_filament();
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static bool can_load();
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static bool load_to_gears();
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#else
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FORCE_INLINE static bool load_to_gears() { return true; }
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#endif
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#if ENABLED(MMU_EXTRUDER_SENSOR)
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#define MMU_LOAD_FEEDRATE 19.02f // (mm/s)
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static void mmu_continue_loading();
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#endif
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static bool _enabled, ready, mmu_print_saved;
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static uint8_t cmd, cmd_arg, last_cmd, extruder;
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static int8_t state;
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static volatile int8_t finda;
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static volatile bool finda_runout_valid;
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static int16_t version, buildnr;
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static millis_t prev_request, prev_P0_request;
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static char rx_buffer[MMU_RX_SIZE], tx_buffer[MMU_TX_SIZE];
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static void set_runout_valid(const bool valid) {
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finda_runout_valid = valid;
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#if HAS_FILAMENT_SENSOR
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if (valid) runout.reset();
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#endif
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}
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};
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extern MMU2 mmu2;
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