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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 <http://www.gnu.org/licenses/>.
- *
- */
-
- #include "../../../inc/MarlinConfig.h"
-
- #if ENABLED(LIN_ADVANCE)
-
- #include "../../gcode.h"
- #include "../../../module/planner.h"
- #include "../../../module/stepper.h"
-
- #if ENABLED(EXTRA_LIN_ADVANCE_K)
- float other_extruder_advance_K[EXTRUDERS];
- uint8_t lin_adv_slot = 0;
- #endif
-
- /**
- * M900: Get or Set Linear Advance K-factor
- * T<tool> Which tool to address
- * K<factor> Set current advance K factor (Slot 0).
- * L<factor> Set secondary advance K factor (Slot 1). Requires EXTRA_LIN_ADVANCE_K.
- * S<0/1> Activate slot 0 or 1. Requires EXTRA_LIN_ADVANCE_K.
- */
- void GcodeSuite::M900() {
-
- auto echo_value_oor = [] (const char ltr, const bool ten=true) {
- SERIAL_CHAR('?'); SERIAL_CHAR(ltr);
- SERIAL_ECHOPGM(" value out of range");
- if (ten) SERIAL_ECHOPGM(" (0-10)");
- SERIAL_ECHOLNPGM(".");
- };
-
- #if EXTRUDERS < 2
- constexpr uint8_t tool_index = 0;
- #else
- const uint8_t tool_index = parser.intval('T', active_extruder);
- if (tool_index >= EXTRUDERS) {
- echo_value_oor('T', false);
- return;
- }
- #endif
-
- float &kref = planner.extruder_advance_K[tool_index], newK = kref;
- const float oldK = newK;
-
- #if ENABLED(EXTRA_LIN_ADVANCE_K)
-
- float &lref = other_extruder_advance_K[tool_index];
-
- const bool old_slot = TEST(lin_adv_slot, tool_index), // The tool's current slot (0 or 1)
- new_slot = parser.boolval('S', old_slot); // The passed slot (default = current)
-
- // If a new slot is being selected swap the current and
- // saved K values. Do here so K/L will apply correctly.
- if (new_slot != old_slot) { // Not the same slot?
- SET_BIT_TO(lin_adv_slot, tool_index, new_slot); // Update the slot for the tool
- newK = lref; // Get new K value from backup
- lref = oldK; // Save K to backup
- }
-
- // Set the main K value. Apply if the main slot is active.
- if (parser.seenval('K')) {
- const float K = parser.value_float();
- if (!WITHIN(K, 0, 10)) echo_value_oor('K');
- else if (new_slot) lref = K; // S1 Knn
- else newK = K; // S0 Knn
- }
-
- // Set the extra K value. Apply if the extra slot is active.
- if (parser.seenval('L')) {
- const float L = parser.value_float();
- if (!WITHIN(L, 0, 10)) echo_value_oor('L');
- else if (!new_slot) lref = L; // S0 Lnn
- else newK = L; // S1 Lnn
- }
-
- #else
-
- if (parser.seenval('K')) {
- const float K = parser.value_float();
- if (WITHIN(K, 0, 10))
- newK = K;
- else
- echo_value_oor('K');
- }
-
- #endif
-
- if (newK != oldK) {
- planner.synchronize();
- kref = newK;
- }
-
- if (!parser.seen_any()) {
-
- #if ENABLED(EXTRA_LIN_ADVANCE_K)
-
- #if EXTRUDERS < 2
- SERIAL_ECHOLNPAIR("Advance S", int(new_slot), " K", kref, "(S", int(!new_slot), " K", lref, ")");
- #else
- LOOP_L_N(i, EXTRUDERS) {
- const bool slot = TEST(lin_adv_slot, i);
- SERIAL_ECHOLNPAIR("Advance T", int(i), " S", int(slot), " K", planner.extruder_advance_K[i],
- "(S", int(!slot), " K", other_extruder_advance_K[i], ")");
- SERIAL_EOL();
- }
- #endif
-
- #else
-
- SERIAL_ECHO_START();
- #if EXTRUDERS < 2
- SERIAL_ECHOLNPAIR("Advance K=", planner.extruder_advance_K[0]);
- #else
- SERIAL_ECHOPGM("Advance K");
- LOOP_L_N(i, EXTRUDERS) {
- SERIAL_CHAR(' ', '0' + i, ':');
- SERIAL_ECHO(planner.extruder_advance_K[i]);
- }
- SERIAL_EOL();
- #endif
-
- #endif
- }
-
- }
-
- #endif // LIN_ADVANCE
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