123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192 |
- /**
- * 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)
-
- //#define MIXER_NORMALIZER_DEBUG
-
- #include "mixing.h"
-
- Mixer mixer;
-
- #ifdef MIXER_NORMALIZER_DEBUG
- #include "../core/serial.h"
- #endif
-
- // Used up to Planner level
- uint_fast8_t Mixer::selected_vtool = 0;
- float Mixer::collector[MIXING_STEPPERS]; // mix proportion. 0.0 = off, otherwise <= COLOR_A_MASK.
- mixer_comp_t Mixer::color[NR_MIXING_VIRTUAL_TOOLS][MIXING_STEPPERS];
-
- // Used in Stepper
- int_fast8_t Mixer::runner = 0;
- mixer_comp_t Mixer::s_color[MIXING_STEPPERS];
- mixer_accu_t Mixer::accu[MIXING_STEPPERS] = { 0 };
-
- #if DUAL_MIXING_EXTRUDER || ENABLED(GRADIENT_MIX)
- mixer_perc_t Mixer::mix[MIXING_STEPPERS];
- #endif
-
- void Mixer::normalize(const uint8_t tool_index) {
- float cmax = 0;
- #ifdef MIXER_NORMALIZER_DEBUG
- float csum = 0;
- #endif
- MIXER_STEPPER_LOOP(i) {
- const float v = collector[i];
- NOLESS(cmax, v);
- #ifdef MIXER_NORMALIZER_DEBUG
- csum += v;
- #endif
- }
- #ifdef MIXER_NORMALIZER_DEBUG
- SERIAL_ECHOPGM("Mixer: Old relation : [ ");
- MIXER_STEPPER_LOOP(i) {
- SERIAL_ECHO_F(collector[i] / csum, 3);
- SERIAL_CHAR(' ');
- }
- SERIAL_ECHOLNPGM("]");
- #endif
-
- // Scale all values so their maximum is COLOR_A_MASK
- const float scale = float(COLOR_A_MASK) / cmax;
- MIXER_STEPPER_LOOP(i) color[tool_index][i] = collector[i] * scale;
-
- #ifdef MIXER_NORMALIZER_DEBUG
- csum = 0;
- SERIAL_ECHOPGM("Mixer: Normalize to : [ ");
- MIXER_STEPPER_LOOP(i) {
- SERIAL_ECHO(uint16_t(color[tool_index][i]));
- SERIAL_CHAR(' ');
- csum += color[tool_index][i];
- }
- SERIAL_ECHOLNPGM("]");
- SERIAL_ECHOPGM("Mixer: New relation : [ ");
- MIXER_STEPPER_LOOP(i) {
- SERIAL_ECHO_F(uint16_t(color[tool_index][i]) / csum, 3);
- SERIAL_CHAR(' ');
- }
- SERIAL_ECHOLNPGM("]");
- #endif
-
- #if ENABLED(GRADIENT_MIX)
- refresh_gradient();
- #endif
- }
-
- void Mixer::reset_vtools() {
- // Virtual Tools 0, 1, 2, 3 = Filament 1, 2, 3, 4, etc.
- // Every virtual tool gets a pure filament
- LOOP_L_N(t, MIXING_VIRTUAL_TOOLS && t < MIXING_STEPPERS)
- MIXER_STEPPER_LOOP(i)
- color[t][i] = (t == i) ? COLOR_A_MASK : 0;
-
- // Remaining virtual tools are 100% filament 1
- #if MIXING_VIRTUAL_TOOLS > MIXING_STEPPERS
- LOOP_S_L_N(t, MIXING_STEPPERS, MIXING_VIRTUAL_TOOLS)
- MIXER_STEPPER_LOOP(i)
- color[t][i] = (i == 0) ? COLOR_A_MASK : 0;
- #endif
- }
-
- // called at boot
- void Mixer::init() {
-
- reset_vtools();
-
- #if ENABLED(RETRACT_SYNC_MIXING)
- // AUTORETRACT_TOOL gets the same amount of all filaments
- MIXER_STEPPER_LOOP(i)
- color[MIXER_AUTORETRACT_TOOL][i] = COLOR_A_MASK;
- #endif
-
- ZERO(collector);
-
- #if DUAL_MIXING_EXTRUDER || ENABLED(GRADIENT_MIX)
- update_mix_from_vtool();
- #endif
-
- #if ENABLED(GRADIENT_MIX)
- update_gradient_for_planner_z();
- #endif
- }
-
- void Mixer::refresh_collector(const float proportion/*=1.0*/, const uint8_t t/*=selected_vtool*/, float (&c)[MIXING_STEPPERS]/*=collector*/) {
- float csum = 0, cmax = 0;
- MIXER_STEPPER_LOOP(i) {
- const float v = color[t][i];
- cmax = _MAX(cmax, v);
- csum += v;
- }
- //SERIAL_ECHOPAIR("Mixer::refresh_collector(", proportion, ", ", int(t), ") cmax=", cmax, " csum=", csum, " color");
- const float inv_prop = proportion / csum;
- MIXER_STEPPER_LOOP(i) {
- c[i] = color[t][i] * inv_prop;
- //SERIAL_ECHOPAIR(" [", int(t), "][", int(i), "] = ", int(color[t][i]), " (", c[i], ") ");
- }
- //SERIAL_EOL();
- }
-
- #if ENABLED(GRADIENT_MIX)
-
- #include "../module/motion.h"
- #include "../module/planner.h"
-
- gradient_t Mixer::gradient = {
- false, // enabled
- {0}, // color (array)
- 0, 0, // start_z, end_z
- 0, 1, // start_vtool, end_vtool
- {0}, {0} // start_mix[], end_mix[]
- #if ENABLED(GRADIENT_VTOOL)
- , -1 // vtool_index
- #endif
- };
-
- float Mixer::prev_z; // = 0
-
- void Mixer::update_gradient_for_z(const float z) {
- if (z == prev_z) return;
- prev_z = z;
-
- const float slice = gradient.end_z - gradient.start_z;
-
- float pct = (z - gradient.start_z) / slice;
- NOLESS(pct, 0.0f); NOMORE(pct, 1.0f);
-
- MIXER_STEPPER_LOOP(i) {
- const mixer_perc_t sm = gradient.start_mix[i];
- mix[i] = sm + (gradient.end_mix[i] - sm) * pct;
- }
-
- copy_mix_to_color(gradient.color);
- }
-
- void Mixer::update_gradient_for_planner_z() {
- update_gradient_for_z(planner.get_axis_position_mm(Z_AXIS));
- }
-
- #endif // GRADIENT_MIX
-
- #endif // MIXING_EXTRUDER
|