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243 lines
7.4 KiB
243 lines
7.4 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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/**
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* e_parser.h - Intercept special commands directly in the serial stream
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*/
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#include "../inc/MarlinConfigPre.h"
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#if ENABLED(HOST_PROMPT_SUPPORT)
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#include "host_actions.h"
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#endif
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// External references
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extern bool wait_for_user, wait_for_heatup;
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#if ENABLED(REALTIME_REPORTING_COMMANDS)
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// From motion.h, which cannot be included here
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void report_current_position_moving();
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void quickpause_stepper();
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void quickresume_stepper();
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#endif
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#if ENABLED(SOFT_RESET_VIA_SERIAL)
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void HAL_reboot();
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#endif
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class EmergencyParser {
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public:
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// Currently looking for: M108, M112, M410, M524, M876 S[0-9], S000, P000, R000
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enum State : uint8_t {
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EP_RESET,
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EP_N,
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EP_M,
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EP_M1,
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EP_M10, EP_M108,
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EP_M11, EP_M112,
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EP_M4, EP_M41, EP_M410,
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#if ENABLED(SDSUPPORT)
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EP_M5, EP_M52, EP_M524,
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#endif
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#if ENABLED(HOST_PROMPT_SUPPORT)
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EP_M8, EP_M87, EP_M876, EP_M876S, EP_M876SN,
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#endif
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#if ENABLED(REALTIME_REPORTING_COMMANDS)
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EP_S, EP_S0, EP_S00, EP_GRBL_STATUS,
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EP_R, EP_R0, EP_R00, EP_GRBL_RESUME,
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EP_P, EP_P0, EP_P00, EP_GRBL_PAUSE,
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#endif
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#if ENABLED(SOFT_RESET_VIA_SERIAL)
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EP_ctrl,
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EP_K, EP_KI, EP_KIL, EP_KILL,
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#endif
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EP_IGNORE // to '\n'
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};
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static bool killed_by_M112;
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static bool quickstop_by_M410;
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#if ENABLED(SDSUPPORT)
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static bool sd_abort_by_M524;
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#endif
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#if ENABLED(HOST_PROMPT_SUPPORT)
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static uint8_t M876_reason;
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#endif
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EmergencyParser() { enable(); }
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FORCE_INLINE static void enable() { enabled = true; }
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FORCE_INLINE static void disable() { enabled = false; }
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FORCE_INLINE static void update(State &state, const uint8_t c) {
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switch (state) {
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case EP_RESET:
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switch (c) {
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case ' ': case '\n': case '\r': break;
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case 'N': state = EP_N; break;
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case 'M': state = EP_M; break;
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#if ENABLED(REALTIME_REPORTING_COMMANDS)
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case 'S': state = EP_S; break;
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case 'P': state = EP_P; break;
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case 'R': state = EP_R; break;
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#endif
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#if ENABLED(SOFT_RESET_VIA_SERIAL)
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case '^': state = EP_ctrl; break;
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case 'K': state = EP_K; break;
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#endif
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default: state = EP_IGNORE;
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}
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break;
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case EP_N:
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switch (c) {
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case '0' ... '9':
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case '-': case ' ': break;
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case 'M': state = EP_M; break;
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#if ENABLED(REALTIME_REPORTING_COMMANDS)
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case 'S': state = EP_S; break;
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case 'P': state = EP_P; break;
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case 'R': state = EP_R; break;
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#endif
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default: state = EP_IGNORE;
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}
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break;
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#if ENABLED(REALTIME_REPORTING_COMMANDS)
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case EP_S: state = (c == '0') ? EP_S0 : EP_IGNORE; break;
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case EP_S0: state = (c == '0') ? EP_S00 : EP_IGNORE; break;
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case EP_S00: state = (c == '0') ? EP_GRBL_STATUS : EP_IGNORE; break;
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case EP_R: state = (c == '0') ? EP_R0 : EP_IGNORE; break;
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case EP_R0: state = (c == '0') ? EP_R00 : EP_IGNORE; break;
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case EP_R00: state = (c == '0') ? EP_GRBL_RESUME : EP_IGNORE; break;
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case EP_P: state = (c == '0') ? EP_P0 : EP_IGNORE; break;
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case EP_P0: state = (c == '0') ? EP_P00 : EP_IGNORE; break;
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case EP_P00: state = (c == '0') ? EP_GRBL_PAUSE : EP_IGNORE; break;
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#endif
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#if ENABLED(SOFT_RESET_VIA_SERIAL)
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case EP_ctrl: state = (c == 'X') ? EP_KILL : EP_IGNORE; break;
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case EP_K: state = (c == 'I') ? EP_KI : EP_IGNORE; break;
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case EP_KI: state = (c == 'L') ? EP_KIL : EP_IGNORE; break;
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case EP_KIL: state = (c == 'L') ? EP_KILL : EP_IGNORE; break;
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#endif
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case EP_M:
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switch (c) {
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case ' ': break;
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case '1': state = EP_M1; break;
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case '4': state = EP_M4; break;
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#if ENABLED(SDSUPPORT)
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case '5': state = EP_M5; break;
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#endif
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#if ENABLED(HOST_PROMPT_SUPPORT)
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case '8': state = EP_M8; break;
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#endif
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default: state = EP_IGNORE;
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}
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break;
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case EP_M1:
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switch (c) {
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case '0': state = EP_M10; break;
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case '1': state = EP_M11; break;
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default: state = EP_IGNORE;
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}
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break;
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case EP_M10: state = (c == '8') ? EP_M108 : EP_IGNORE; break;
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case EP_M11: state = (c == '2') ? EP_M112 : EP_IGNORE; break;
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case EP_M4: state = (c == '1') ? EP_M41 : EP_IGNORE; break;
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case EP_M41: state = (c == '0') ? EP_M410 : EP_IGNORE; break;
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#if ENABLED(SDSUPPORT)
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case EP_M5: state = (c == '2') ? EP_M52 : EP_IGNORE; break;
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case EP_M52: state = (c == '4') ? EP_M524 : EP_IGNORE; break;
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#endif
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#if ENABLED(HOST_PROMPT_SUPPORT)
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case EP_M8: state = (c == '7') ? EP_M87 : EP_IGNORE; break;
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case EP_M87: state = (c == '6') ? EP_M876 : EP_IGNORE; break;
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case EP_M876:
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switch (c) {
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case ' ': break;
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case 'S': state = EP_M876S; break;
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default: state = EP_IGNORE; break;
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}
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break;
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case EP_M876S:
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switch (c) {
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case ' ': break;
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case '0' ... '9':
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state = EP_M876SN;
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M876_reason = uint8_t(c - '0');
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break;
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}
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break;
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#endif
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case EP_IGNORE:
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if (ISEOL(c)) state = EP_RESET;
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break;
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default:
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if (ISEOL(c)) {
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if (enabled) switch (state) {
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case EP_M108: wait_for_user = wait_for_heatup = false; break;
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case EP_M112: killed_by_M112 = true; break;
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case EP_M410: quickstop_by_M410 = true; break;
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#if ENABLED(SDSUPPORT)
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case EP_M524: sd_abort_by_M524 = true; break;
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#endif
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#if ENABLED(HOST_PROMPT_SUPPORT)
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case EP_M876SN: hostui.handle_response(M876_reason); break;
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#endif
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#if ENABLED(REALTIME_REPORTING_COMMANDS)
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case EP_GRBL_STATUS: report_current_position_moving(); break;
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case EP_GRBL_PAUSE: quickpause_stepper(); break;
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case EP_GRBL_RESUME: quickresume_stepper(); break;
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#endif
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#if ENABLED(SOFT_RESET_VIA_SERIAL)
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case EP_KILL: HAL_reboot(); break;
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#endif
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default: break;
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}
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state = EP_RESET;
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}
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}
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}
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private:
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static bool enabled;
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};
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extern EmergencyParser emergency_parser;
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