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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(FILAMENT_WIDTH_SENSOR)
-
- #include "filwidth.h"
-
- FilamentWidthSensor filwidth;
-
- bool FilamentWidthSensor::enabled; // = false; // (M405-M406) Filament Width Sensor ON/OFF.
- uint32_t FilamentWidthSensor::accum; // = 0 // ADC accumulator
- uint16_t FilamentWidthSensor::raw; // = 0 // Measured filament diameter - one extruder only
- float FilamentWidthSensor::nominal_mm = DEFAULT_NOMINAL_FILAMENT_DIA, // (M104) Nominal filament width
- FilamentWidthSensor::measured_mm = DEFAULT_MEASURED_FILAMENT_DIA, // Measured filament diameter
- FilamentWidthSensor::e_count = 0,
- FilamentWidthSensor::delay_dist = 0;
- uint8_t FilamentWidthSensor::meas_delay_cm = MEASUREMENT_DELAY_CM; // Distance delay setting
- int8_t FilamentWidthSensor::ratios[MAX_MEASUREMENT_DELAY + 1], // Ring buffer to delay measurement. (Extruder factor minus 100)
- FilamentWidthSensor::index_r, // Indexes into ring buffer
- FilamentWidthSensor::index_w;
-
- void FilamentWidthSensor::init() {
- const int8_t ratio = sample_to_size_ratio();
- LOOP_L_N(i, COUNT(ratios)) ratios[i] = ratio;
- index_r = index_w = 0;
- }
-
- #endif // FILAMENT_WIDTH_SENSOR
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