mirror of https://github.com/Desuuuu/klipper.git
109 lines
4.4 KiB
Python
109 lines
4.4 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Support for menu button press tracking
|
|
#
|
|
# Copyright (C) 2018 Janar Sööt <janar.soot@gmail.com>
|
|
# Copyright (C) 2020 Kevin O'Connor <kevin@koconnor.net>
|
|
#
|
|
# This file may be distributed under the terms of the GNU GPLv3 license.
|
|
|
|
LONG_PRESS_DURATION = 0.800
|
|
TIMER_DELAY = .200
|
|
|
|
class MenuKeys:
|
|
def __init__(self, config, callback):
|
|
self.printer = config.get_printer()
|
|
self.reactor = self.printer.get_reactor()
|
|
self.callback = callback
|
|
buttons = self.printer.load_object(config, "buttons")
|
|
# Register rotary encoder
|
|
encoder_pins = config.get('encoder_pins', None)
|
|
encoder_steps_per_detent = config.getchoice('encoder_steps_per_detent',
|
|
{2: 2, 4: 4}, 4)
|
|
if encoder_pins is not None:
|
|
try:
|
|
pin1, pin2 = encoder_pins.split(',')
|
|
except:
|
|
raise config.error("Unable to parse encoder_pins")
|
|
buttons.register_rotary_encoder(pin1.strip(), pin2.strip(),
|
|
self.encoder_cw_callback,
|
|
self.encoder_ccw_callback,
|
|
encoder_steps_per_detent)
|
|
self.encoder_fast_rate = config.getfloat('encoder_fast_rate',
|
|
.030, above=0.)
|
|
self.last_encoder_cw_eventtime = 0
|
|
self.last_encoder_ccw_eventtime = 0
|
|
# Register click button
|
|
self.is_short_click = False
|
|
self.click_timer = self.reactor.register_timer(self.long_click_event)
|
|
self.register_button(config, 'click_pin', self.click_callback, False)
|
|
# Register other buttons
|
|
self.register_button(config, 'back_pin', self.back_callback)
|
|
self.register_button(config, 'up_pin', self.up_callback)
|
|
self.register_button(config, 'down_pin', self.down_callback)
|
|
self.register_button(config, 'kill_pin', self.kill_callback)
|
|
|
|
def register_button(self, config, name, callback, push_only=True):
|
|
pin = config.get(name, None)
|
|
if pin is None:
|
|
return
|
|
buttons = self.printer.lookup_object("buttons")
|
|
if config.get('analog_range_' + name, None) is None:
|
|
if push_only:
|
|
buttons.register_button_push(pin, callback)
|
|
else:
|
|
buttons.register_buttons([pin], callback)
|
|
return
|
|
amin, amax = config.getfloatlist('analog_range_' + name, count=2)
|
|
pullup = config.getfloat('analog_pullup_resistor', 4700., above=0.)
|
|
if push_only:
|
|
buttons.register_adc_button_push(pin, amin, amax, pullup, callback)
|
|
else:
|
|
buttons.register_adc_button(pin, amin, amax, pullup, callback)
|
|
|
|
# Rotary encoder callbacks
|
|
def encoder_cw_callback(self, eventtime):
|
|
fast_rate = ((eventtime - self.last_encoder_cw_eventtime)
|
|
<= self.encoder_fast_rate)
|
|
self.last_encoder_cw_eventtime = eventtime
|
|
if fast_rate:
|
|
self.callback('fast_up', eventtime)
|
|
else:
|
|
self.callback('up', eventtime)
|
|
|
|
def encoder_ccw_callback(self, eventtime):
|
|
fast_rate = ((eventtime - self.last_encoder_ccw_eventtime)
|
|
<= self.encoder_fast_rate)
|
|
self.last_encoder_ccw_eventtime = eventtime
|
|
if fast_rate:
|
|
self.callback('fast_down', eventtime)
|
|
else:
|
|
self.callback('down', eventtime)
|
|
|
|
# Click handling
|
|
def long_click_event(self, eventtime):
|
|
self.is_short_click = False
|
|
self.callback('long_click', eventtime)
|
|
return self.reactor.NEVER
|
|
|
|
def click_callback(self, eventtime, state):
|
|
if state:
|
|
self.is_short_click = True
|
|
self.reactor.update_timer(self.click_timer,
|
|
eventtime + LONG_PRESS_DURATION)
|
|
elif self.is_short_click:
|
|
self.reactor.update_timer(self.click_timer, self.reactor.NEVER)
|
|
self.callback('click', eventtime)
|
|
|
|
# Other button callbacks
|
|
def back_callback(self, eventtime):
|
|
self.callback('back', eventtime)
|
|
|
|
def up_callback(self, eventtime):
|
|
self.callback('up', eventtime)
|
|
|
|
def down_callback(self, eventtime):
|
|
self.callback('down', eventtime)
|
|
|
|
def kill_callback(self, eventtime):
|
|
self.printer.invoke_shutdown("Shutdown due to kill button!")
|