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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
- #pragma once
-
- /**
- * e_parser.h - Intercept special commands directly in the serial stream
- */
-
- #include "../inc/MarlinConfigPre.h"
-
- #if ENABLED(HOST_PROMPT_SUPPORT)
- #include "host_actions.h"
- #endif
-
- // External references
- extern bool wait_for_user, wait_for_heatup;
-
- #if ENABLED(REALTIME_REPORTING_COMMANDS)
- // From motion.h, which cannot be included here
- void report_current_position_moving();
- void quickpause_stepper();
- void quickresume_stepper();
- #endif
-
- #if ENABLED(SOFT_RESET_VIA_SERIAL)
- void HAL_reboot();
- #endif
-
- class EmergencyParser {
-
- public:
-
- // Currently looking for: M108, M112, M410, M524, M876 S[0-9], S000, P000, R000
- enum State : uint8_t {
- EP_RESET,
- EP_N,
- EP_M,
- EP_M1,
- EP_M10, EP_M108,
- EP_M11, EP_M112,
- EP_M4, EP_M41, EP_M410,
- #if ENABLED(SDSUPPORT)
- EP_M5, EP_M52, EP_M524,
- #endif
- #if ENABLED(HOST_PROMPT_SUPPORT)
- EP_M8, EP_M87, EP_M876, EP_M876S, EP_M876SN,
- #endif
- #if ENABLED(REALTIME_REPORTING_COMMANDS)
- EP_S, EP_S0, EP_S00, EP_GRBL_STATUS,
- EP_R, EP_R0, EP_R00, EP_GRBL_RESUME,
- EP_P, EP_P0, EP_P00, EP_GRBL_PAUSE,
- #endif
- #if ENABLED(SOFT_RESET_VIA_SERIAL)
- EP_ctrl,
- EP_K, EP_KI, EP_KIL, EP_KILL,
- #endif
- EP_IGNORE // to '\n'
- };
-
- static bool killed_by_M112;
- static bool quickstop_by_M410;
-
- #if ENABLED(SDSUPPORT)
- static bool sd_abort_by_M524;
- #endif
-
- #if ENABLED(HOST_PROMPT_SUPPORT)
- static uint8_t M876_reason;
- #endif
-
- EmergencyParser() { enable(); }
-
- FORCE_INLINE static void enable() { enabled = true; }
- FORCE_INLINE static void disable() { enabled = false; }
-
- FORCE_INLINE static void update(State &state, const uint8_t c) {
- switch (state) {
- case EP_RESET:
- switch (c) {
- case ' ': case '\n': case '\r': break;
- case 'N': state = EP_N; break;
- case 'M': state = EP_M; break;
- #if ENABLED(REALTIME_REPORTING_COMMANDS)
- case 'S': state = EP_S; break;
- case 'P': state = EP_P; break;
- case 'R': state = EP_R; break;
- #endif
- #if ENABLED(SOFT_RESET_VIA_SERIAL)
- case '^': state = EP_ctrl; break;
- case 'K': state = EP_K; break;
- #endif
- default: state = EP_IGNORE;
- }
- break;
-
- case EP_N:
- switch (c) {
- case '0' ... '9':
- case '-': case ' ': break;
- case 'M': state = EP_M; break;
- #if ENABLED(REALTIME_REPORTING_COMMANDS)
- case 'S': state = EP_S; break;
- case 'P': state = EP_P; break;
- case 'R': state = EP_R; break;
- #endif
- default: state = EP_IGNORE;
- }
- break;
-
- #if ENABLED(REALTIME_REPORTING_COMMANDS)
- case EP_S: state = (c == '0') ? EP_S0 : EP_IGNORE; break;
- case EP_S0: state = (c == '0') ? EP_S00 : EP_IGNORE; break;
- case EP_S00: state = (c == '0') ? EP_GRBL_STATUS : EP_IGNORE; break;
-
- case EP_R: state = (c == '0') ? EP_R0 : EP_IGNORE; break;
- case EP_R0: state = (c == '0') ? EP_R00 : EP_IGNORE; break;
- case EP_R00: state = (c == '0') ? EP_GRBL_RESUME : EP_IGNORE; break;
-
- case EP_P: state = (c == '0') ? EP_P0 : EP_IGNORE; break;
- case EP_P0: state = (c == '0') ? EP_P00 : EP_IGNORE; break;
- case EP_P00: state = (c == '0') ? EP_GRBL_PAUSE : EP_IGNORE; break;
- #endif
-
- #if ENABLED(SOFT_RESET_VIA_SERIAL)
- case EP_ctrl: state = (c == 'X') ? EP_KILL : EP_IGNORE; break;
- case EP_K: state = (c == 'I') ? EP_KI : EP_IGNORE; break;
- case EP_KI: state = (c == 'L') ? EP_KIL : EP_IGNORE; break;
- case EP_KIL: state = (c == 'L') ? EP_KILL : EP_IGNORE; break;
- #endif
-
- case EP_M:
- switch (c) {
- case ' ': break;
- case '1': state = EP_M1; break;
- case '4': state = EP_M4; break;
- #if ENABLED(SDSUPPORT)
- case '5': state = EP_M5; break;
- #endif
- #if ENABLED(HOST_PROMPT_SUPPORT)
- case '8': state = EP_M8; break;
- #endif
- default: state = EP_IGNORE;
- }
- break;
-
- case EP_M1:
- switch (c) {
- case '0': state = EP_M10; break;
- case '1': state = EP_M11; break;
- default: state = EP_IGNORE;
- }
- break;
-
- case EP_M10: state = (c == '8') ? EP_M108 : EP_IGNORE; break;
- case EP_M11: state = (c == '2') ? EP_M112 : EP_IGNORE; break;
- case EP_M4: state = (c == '1') ? EP_M41 : EP_IGNORE; break;
- case EP_M41: state = (c == '0') ? EP_M410 : EP_IGNORE; break;
-
- #if ENABLED(SDSUPPORT)
- case EP_M5: state = (c == '2') ? EP_M52 : EP_IGNORE; break;
- case EP_M52: state = (c == '4') ? EP_M524 : EP_IGNORE; break;
- #endif
-
- #if ENABLED(HOST_PROMPT_SUPPORT)
-
- case EP_M8: state = (c == '7') ? EP_M87 : EP_IGNORE; break;
- case EP_M87: state = (c == '6') ? EP_M876 : EP_IGNORE; break;
-
- case EP_M876:
- switch (c) {
- case ' ': break;
- case 'S': state = EP_M876S; break;
- default: state = EP_IGNORE; break;
- }
- break;
-
- case EP_M876S:
- switch (c) {
- case ' ': break;
- case '0' ... '9':
- state = EP_M876SN;
- M876_reason = uint8_t(c - '0');
- break;
- }
- break;
-
- #endif
-
- case EP_IGNORE:
- if (ISEOL(c)) state = EP_RESET;
- break;
-
- default:
- if (ISEOL(c)) {
- if (enabled) switch (state) {
- case EP_M108: wait_for_user = wait_for_heatup = false; break;
- case EP_M112: killed_by_M112 = true; break;
- case EP_M410: quickstop_by_M410 = true; break;
- #if ENABLED(SDSUPPORT)
- case EP_M524: sd_abort_by_M524 = true; break;
- #endif
- #if ENABLED(HOST_PROMPT_SUPPORT)
- case EP_M876SN: hostui.handle_response(M876_reason); break;
- #endif
- #if ENABLED(REALTIME_REPORTING_COMMANDS)
- case EP_GRBL_STATUS: report_current_position_moving(); break;
- case EP_GRBL_PAUSE: quickpause_stepper(); break;
- case EP_GRBL_RESUME: quickresume_stepper(); break;
- #endif
- #if ENABLED(SOFT_RESET_VIA_SERIAL)
- case EP_KILL: HAL_reboot(); break;
- #endif
- default: break;
- }
- state = EP_RESET;
- }
- }
- }
-
- private:
- static bool enabled;
- };
-
- extern EmergencyParser emergency_parser;
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