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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(MIXING_EXTRUDER)
-
- #include "../../gcode.h"
- #include "../../../feature/mixing.h"
-
- /**
- * M163: Set a single mix factor for a mixing extruder
- * This is called "weight" by some systems.
- * Must be followed by M164 to normalize and commit them.
- *
- * S[index] The channel index to set
- * P[float] The mix value
- */
- void GcodeSuite::M163() {
- const int mix_index = parser.intval('S');
- if (mix_index < MIXING_STEPPERS)
- mixer.set_collector(mix_index, parser.floatval('P'));
- }
-
- /**
- * M164: Normalize and commit the mix.
- *
- * S[index] The virtual tool to store
- * If 'S' is omitted update the active virtual tool.
- */
- void GcodeSuite::M164() {
- #if MIXING_VIRTUAL_TOOLS > 1
- const int tool_index = parser.intval('S', -1);
- #else
- constexpr int tool_index = 0;
- #endif
- if (tool_index >= 0) {
- if (tool_index < MIXING_VIRTUAL_TOOLS)
- mixer.normalize(tool_index);
- }
- else
- mixer.normalize();
- }
-
- #if ENABLED(DIRECT_MIXING_IN_G1)
-
- /**
- * M165: Set multiple mix factors for a mixing extruder.
- * Omitted factors will be set to 0.
- * The mix is normalized and stored in the current virtual tool.
- *
- * A[factor] Mix factor for extruder stepper 1
- * B[factor] Mix factor for extruder stepper 2
- * C[factor] Mix factor for extruder stepper 3
- * D[factor] Mix factor for extruder stepper 4
- * H[factor] Mix factor for extruder stepper 5
- * I[factor] Mix factor for extruder stepper 6
- */
- void GcodeSuite::M165() {
- // Get mixing parameters from the GCode
- // The total "must" be 1.0 (but it will be normalized)
- // If no mix factors are given, the old mix is preserved
- const char mixing_codes[] = { LIST_N(MIXING_STEPPERS, 'A', 'B', 'C', 'D', 'H', 'I') };
- uint8_t mix_bits = 0;
- MIXER_STEPPER_LOOP(i) {
- if (parser.seenval(mixing_codes[i])) {
- SBI(mix_bits, i);
- mixer.set_collector(i, parser.value_float());
- }
- }
- // If any mixing factors were included, clear the rest
- // If none were included, preserve the last mix
- if (mix_bits) {
- MIXER_STEPPER_LOOP(i)
- if (!TEST(mix_bits, i)) mixer.set_collector(i, 0.0f);
- mixer.normalize();
- }
- }
-
- #endif // DIRECT_MIXING_IN_G1
-
- #endif // MIXING_EXTRUDER
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