82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
/**
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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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#include "../inc/MarlinConfig.h"
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#if ENABLED(GCODE_REPEAT_MARKERS)
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//#define DEBUG_GCODE_REPEAT_MARKERS
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#include "repeat.h"
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#include "../gcode/gcode.h"
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#include "../sd/cardreader.h"
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#define DEBUG_OUT ENABLED(DEBUG_GCODE_REPEAT_MARKERS)
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#include "../core/debug_out.h"
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repeat_marker_t Repeat::marker[MAX_REPEAT_NESTING];
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uint8_t Repeat::index;
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void Repeat::add_marker(const uint32_t sdpos, const uint16_t count) {
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if (index >= MAX_REPEAT_NESTING)
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SERIAL_ECHO_MSG("!Too many markers.");
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else {
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marker[index].sdpos = sdpos;
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marker[index].counter = count ?: -1;
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index++;
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DEBUG_ECHOLNPAIR("Add Marker ", index, " at ", sdpos, " (", count, ")");
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}
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}
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void Repeat::loop() {
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if (!index) // No marker?
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SERIAL_ECHO_MSG("!No marker set."); // Inform the user.
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else {
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const uint8_t ind = index - 1; // Active marker's index
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if (!marker[ind].counter) { // Did its counter run out?
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DEBUG_ECHOLNPAIR("Pass Marker ", index);
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index--; // Carry on. Previous marker on the next 'M808'.
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}
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else {
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card.setIndex(marker[ind].sdpos); // Loop back to the marker.
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if (marker[ind].counter > 0) // Ignore a negative (or zero) counter.
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--marker[ind].counter; // Decrement the counter. If zero this 'M808' will be skipped next time.
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DEBUG_ECHOLNPAIR("Goto Marker ", index, " at ", marker[ind].sdpos, " (", marker[ind].counter, ")");
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}
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}
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}
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void Repeat::cancel() { LOOP_L_N(i, index) marker[i].counter = 0; }
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void Repeat::early_parse_M808(char * const cmd) {
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if (is_command_M808(cmd)) {
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DEBUG_ECHOLNPAIR("Parsing \"", cmd, "\"");
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parser.parse(cmd);
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if (parser.seen('L'))
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add_marker(card.getIndex(), parser.value_ushort());
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else
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Repeat::loop();
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}
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}
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#endif // GCODE_REPEAT_MARKERS
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