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import gc
import machine
from apps.clock import ClockApp
from apps.flashlight import FlashlightApp
from apps.testapp import TouchTestApp
DOWN = 1
UP = 2
LEFT = 3
RIGHT = 4
EVENT_TOUCH = 0x0001
EVENT_BUTTON = 0x0002
class Manager(object):
def __init__(self, watch):
self.watch = watch
self.app = None
self.applications = [
ClockApp(),
FlashlightApp(),
TouchTestApp()
]
self.watch.display.poweron()
self.switch(self.applications[0])
self.watch.backlight.set(2)
self.sleep_at = watch.rtc.uptime + 90
self.charging = True
def switch(self, app):
if self.app:
self.app.background()
# Clear out any configuration from the old application
self.event_mask = 0
self.tick_period_ms = 0
self.tick_expiry = None
self.app = app
app.foreground(self)
def navigate(self, direction=None):
"""Navigate between different applications.
Currently the direction is ignored.
"""
app_list = self.applications
if direction == DOWN:
i = app_list.index(self.app) + 1
if i >= len(app_list):
i = 0
self.switch(app_list[i])
elif direction == UP:
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 = self.watch.rtc.get_uptime_ms() + period_ms
def handle_event(self, event):
self.sleep_at = self.watch.rtc.uptime + 15
if event[0] < 5:
self.navigate(event[0])
elif event[0] == 5 and self.event_mask & EVENT_TOUCH:
self.app.touch(event)
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
event = self.watch.touch.get_event()
if event:
self.handle_event(event)
if self.watch.rtc.uptime > self.sleep_at:
self.watch.backlight.set(0)
if not self.app.sleep():
self.switch(self.applications[0])
self.app.sleep()
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.wake()
self.watch.backlight.set(2)
# Discard any pending touch events
_ = self.watch.touch.get_event()
self.sleep_at = self.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.
"""
while True:
self.tick()
machine.deepsleep()
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