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122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
7 years ago
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/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* emergency_parser.cpp - 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(EMERGENCY_PARSER)
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#include "emergency_parser.h"
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extern volatile bool wait_for_user, wait_for_heatup;
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void quickstop_stepper();
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EmergencyParser::State EmergencyParser::state = EmergencyParser::State::RESET;
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bool EmergencyParser::killed_by_M112; // = false
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EmergencyParser emergency_parser;
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void EmergencyParser::update(const uint8_t c) {
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switch (state) {
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case EmergencyParser::State::RESET:
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switch (c) {
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case ' ': break;
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case 'N': state = EmergencyParser::State::N; break;
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case 'M': state = EmergencyParser::State::M; break;
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default: state = EmergencyParser::State::IGNORE;
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}
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break;
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case EmergencyParser::State::N:
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switch (c) {
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case '0': case '1': case '2':
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case '3': case '4': case '5':
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case '6': case '7': case '8':
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case '9': case '-': case ' ': break;
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case 'M': state = EmergencyParser::State::M; break;
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default: state = EmergencyParser::State::IGNORE;
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}
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break;
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case EmergencyParser::State::M:
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switch (c) {
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case ' ': break;
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case '1': state = EmergencyParser::State::M1; break;
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case '4': state = EmergencyParser::State::M4; break;
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default: state = EmergencyParser::State::IGNORE;
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}
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break;
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case EmergencyParser::State::M1:
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switch (c) {
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case '0': state = EmergencyParser::State::M10; break;
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case '1': state = EmergencyParser::State::M11; break;
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default: state = EmergencyParser::State::IGNORE;
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}
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break;
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case EmergencyParser::State::M10:
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state = (c == '8') ? EmergencyParser::State::M108 : EmergencyParser::State::IGNORE;
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break;
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case EmergencyParser::State::M11:
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state = (c == '2') ? EmergencyParser::State::M112 : EmergencyParser::State::IGNORE;
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break;
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case EmergencyParser::State::M4:
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state = (c == '1') ? EmergencyParser::State::M41 : EmergencyParser::State::IGNORE;
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break;
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case EmergencyParser::State::M41:
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state = (c == '0') ? EmergencyParser::State::M410 : EmergencyParser::State::IGNORE;
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break;
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case EmergencyParser::State::IGNORE:
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if (c == '\n') state = EmergencyParser::State::RESET;
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break;
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default:
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if (c == '\n') {
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switch (state) {
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case EmergencyParser::State::M108:
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wait_for_user = wait_for_heatup = false;
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break;
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case EmergencyParser::State::M112:
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killed_by_M112 = true;
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break;
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case EmergencyParser::State::M410:
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quickstop_stepper();
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break;
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default:
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break;
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}
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state = EmergencyParser::State::RESET;
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}
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}
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}
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#endif // EMERGENCY_PARSER
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