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import clock
import gc
import machine
EVENT_TICK = 0x100
EVENT_KEYMASK = 0xff
class Manager(object):
def __init__(self, watch):
self.watch = watch
self.app = None
self.switch(clock.ClockApp())
self.sleep_at = watch.rtc.uptime + 90
self.charging = True
def switch(self, app):
if self.app:
self.app.background(self)
# Clear out any configuration from the old application
self.tick_period_ms = 0
self.tick_expiry = None
self.app = app
app.foreground(self)
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 = self.watch.rtc.get_uptime_ms() + period_ms
def tick(self):
rtc = self.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 self.watch.button.value():
self.sleep_at = self.watch.rtc.uptime + 15
if self.watch.rtc.uptime > self.sleep_at:
self.watch.backlight.set(0)
self.watch.display.poweroff()
self.charging = self.watch.battery.charging()
self.sleep_at = None
gc.collect()
else:
self.watch.rtc.update()
charging = self.watch.battery.charging()
if self.watch.button.value() or self.charging != charging:
self.watch.display.poweron()
self.app.tick(None)
self.watch.backlight.set(2)
self.sleep_at = self.watch.rtc.uptime + 15
def run(self):
while True:
self.tick()
machine.deepsleep()
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