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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 <https://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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