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# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2020 Daniel Thompson
import gc
import machine
import watch
import widgets
from apps.clock import ClockApp
from apps.flashlight import FlashlightApp
from apps.testapp import TestApp
DOWN = 1
UP = 2
LEFT = 3
RIGHT = 4
EVENT_TOUCH = 0x0001
EVENT_SWIPE_LEFTRIGHT = 0x0002
EVENT_SWIPE_UPDOWN = 0x0004
EVENT_BUTTON = 0x0008
class Manager(object):
def __init__(self):
self.app = None
self.applications = [
ClockApp(),
FlashlightApp(),
TestApp()
]
self.charging = True
def switch(self, app):
if self.app:
self.app.background()
else:
# System start up...
watch.display.poweron()
watch.display.mute(True)
watch.backlight.set(2)
self.sleep_at = watch.rtc.uptime + 90
# Clear out any configuration from the old application
self.event_mask = 0
self.tick_period_ms = 0
self.tick_expiry = None
self.app = app
watch.display.mute(True)
app.foreground()
watch.display.mute(False)
def navigate(self, direction=None):
"""Navigate between different applications.
Currently the direction is ignored.
"""
app_list = self.applications
if direction == LEFT:
i = app_list.index(self.app) + 1
if i >= len(app_list):
i = 0
self.switch(app_list[i])
elif direction == RIGHT:
i = app_list.index(self.app) - 1
if i < 0:
i = len(app_list)-1
self.switch(app_list[i])
def request_event(self, event_mask):
self.event_mask |= event_mask
def request_tick(self, period_ms=None):
"""Request (and subscribe to) a periodic tick event.
Note: With the current simplistic timer implementation sub-second
tick intervals are not possible.
"""
self.tick_period_ms = period_ms
self.tick_expiry = watch.rtc.get_uptime_ms() + period_ms
def handle_event(self, event):
self.sleep_at = watch.rtc.uptime + 15
event_mask = self.event_mask
if event[0] < 5:
updown = event[0] == 1 or event[0] == 2
if (bool(event_mask & EVENT_SWIPE_UPDOWN) and updown) or \
(bool(event_mask & EVENT_SWIPE_LEFTRIGHT) and not updown):
if not self.app.swipe(event):
self.navigate(event[0])
else:
self.navigate(event[0])
elif event[0] == 5 and self.event_mask & EVENT_TOUCH:
self.app.touch(event)
def tick(self):
rtc = watch.rtc
if self.sleep_at:
if rtc.update() and self.tick_expiry:
now = rtc.get_uptime_ms()
if self.tick_expiry <= now:
ticks = 0
while self.tick_expiry <= now:
self.tick_expiry += self.tick_period_ms
ticks += 1
self.app.tick(ticks)
if watch.button.value():
self.sleep_at = watch.rtc.uptime + 15
event = watch.touch.get_event()
if event:
self.handle_event(event)
if watch.rtc.uptime > self.sleep_at:
watch.backlight.set(0)
if not self.app.sleep():
self.switch(self.applications[0])
self.app.sleep()
watch.display.poweroff()
self.charging = watch.battery.charging()
self.sleep_at = None
gc.collect()
else:
watch.rtc.update()
charging = watch.battery.charging()
if watch.button.value() or self.charging != charging:
watch.display.poweron()
self.app.wake()
watch.backlight.set(2)
# Discard any pending touch events
_ = watch.touch.get_event()
self.sleep_at = watch.rtc.uptime + 15
def run(self):
"""Run the system manager synchronously.
This allows all watch management activities to handle in the
normal execution context meaning any exceptions and other problems
can be observed interactively via the console.
"""
if not self.app:
self.switch(self.applications[0])
print('Watch is running, use Ctrl-C to stop')
while True:
self.tick()
machine.deepsleep()
system = Manager()
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