Firmware2/Marlin/src/feature/e_parser.h
2022-05-07 15:58:30 -05:00

226 lines
6.8 KiB
C++

/**
* 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, 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(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(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(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(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(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;