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hall_filament_width_sensor: Added virtual runout sensor (#2535)

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Signed-off-by: Denis Ignatenko deniss979@gmail.com
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Denis Ignatenko 2020-03-02 05:05:12 +02:00 • committed by GitHub
parent 26523d77ba
commit f84542cd20
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3 changed files with 53 additions and 6 deletions
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16
klippy/extras/hall_filament_width_sensor.py
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@ -3,6 +3,7 @@
# Copyright (C) 2019 Mustafa YILDIZ <mydiz@hotmail.com>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import filament_switch_sensor
ADC_REPORT_TIME = 0.500
ADC_SAMPLE_TIME = 0.001
@ -29,6 +30,7 @@ class HallFilamentWidthSensor:
- self.measurement_max_difference)
self.diameter =self.nominal_filament_dia
self.is_active =config.getboolean('enable', False)
self.runout_dia=config.getfloat('min_diameter', 1.0)
# filament array [position, filamentWidth]
self.filament_array = []
self.lastFilamentWidthReading = 0
@ -57,6 +59,7 @@ class HallFilamentWidthSensor:
self.cmd_M405)
self.gcode.register_command('QUERY_RAW_FILAMENT_WIDTH',
self.cmd_Get_Raw_Values)
self.runout_helper = filament_switch_sensor.RunoutHelper(config)
# Initialization
def handle_ready(self):
# Load printer objects
@ -73,17 +76,17 @@ class HallFilamentWidthSensor:
def adc2_callback(self, read_time, read_value):
# read sensor value
self.lastFilamentWidthReading2 = round(read_value * 10000)
# calculate diameter
self.diameter = round((self.dia2 - self.dia1)/
(self.rawdia2-self.rawdia1)*
((self.lastFilamentWidthReading+self.lastFilamentWidthReading2)
-self.rawdia1)+self.dia1,2)
def update_filament_array(self, last_epos):
# Fill array
if len(self.filament_array) > 0:
# Get last reading position in array & calculate next
# reading position
self.diameter = round((self.dia2 - self.dia1)/
(self.rawdia2-self.rawdia1)*
((self.lastFilamentWidthReading+self.lastFilamentWidthReading2)
-self.rawdia1)+self.dia1,2)
next_reading_position = (self.filament_array[-1][0] +
self.MEASUREMENT_INTERVAL_MM)
if next_reading_position <= (last_epos + self.measurement_delay):
@ -100,6 +103,9 @@ class HallFilamentWidthSensor:
last_epos = pos[3]
# Update filament array for lastFilamentWidthReading
self.update_filament_array(last_epos)
# Check runout
self.runout_helper.note_filament_present(
self.diameter > self.runout_dia)
# Does filament exists
if self.lastFilamentWidthReading > 0.5:
if len(self.filament_array) > 0: