pinetime/wasp-os
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wasp: Add support for brightness caching and keep-awake signalling

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This commit is contained in:
Daniel Thompson 2020-03-26 22:12:05 +00:00
parent af33c7d79b
commit afb9bd16b6
2 changed files with 24 additions and 8 deletions
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10
wasp/apps/flashlight.py
View file

@ -9,24 +9,24 @@ class FlashlightApp(object):
Shows a pure white screen with the backlight set to maximum. Shows a pure white screen with the backlight set to maximum.
""" """
def __init__(self):
self.backlight = None
def foreground(self, effect=None): def foreground(self, effect=None):
"""Activate the application.""" """Activate the application."""
self.on_screen = ( -1, -1, -1, -1, -1, -1 ) self.on_screen = ( -1, -1, -1, -1, -1, -1 )
self.draw(effect) self.draw(effect)
wasp.system.request_tick(1000) wasp.system.request_tick(1000)
self._brightness = wasp.system.brightness
wasp.system.brightness = 3
def background(self): def background(self):
"""De-activate the application (without losing state).""" """De-activate the application (without losing state)."""
pass wasp.system.brightness = self._brightness
def sleep(self): def sleep(self):
return False return False
def tick(self, ticks): def tick(self, ticks):
pass wasp.system.keep_awake()
def draw(self, effect=None): def draw(self, effect=None):
"""Redraw the display from scratch.""" """Redraw the display from scratch."""

22
wasp/wasp.py
View file

@ -57,6 +57,18 @@ class Manager():
] ]
self.charging = True self.charging = True
self._brightness = 2
@property
def brightness(self):
"""Cached copy of the brightness current written to the hardware."""
return self._brightness
@brightness.setter
def brightness(self, value):
self._brightness = value
watch.backlight.set(self._brightness)
def switch(self, app): def switch(self, app):
"""Switch to the requested application. """Switch to the requested application.
""" """
@ -66,7 +78,7 @@ class Manager():
# System start up... # System start up...
watch.display.poweron() watch.display.poweron()
watch.display.mute(True) watch.display.mute(True)
watch.backlight.set(2) watch.backlight.set(self._brightness)
self.sleep_at = watch.rtc.uptime + 90 self.sleep_at = watch.rtc.uptime + 90
# Clear out any configuration from the old application # Clear out any configuration from the old application
@ -117,6 +129,10 @@ class Manager():
self.tick_period_ms = period_ms self.tick_period_ms = period_ms
self.tick_expiry = watch.rtc.get_uptime_ms() + period_ms self.tick_expiry = watch.rtc.get_uptime_ms() + period_ms
def keep_awake(self):
"""Reset the keep awake timer."""
self.sleep_at = watch.rtc.uptime + 15
def _handle_event(self, event): def _handle_event(self, event):
"""Process an event. """Process an event.
""" """
@ -155,7 +171,7 @@ class Manager():
self.app.tick(ticks) self.app.tick(ticks)
if watch.button.value(): if watch.button.value():
self.sleep_at = watch.rtc.uptime + 15 self.keep_awake()
event = watch.touch.get_event() event = watch.touch.get_event()
if event: if event:
@ -178,7 +194,7 @@ class Manager():
if watch.button.value() or self.charging != charging: if watch.button.value() or self.charging != charging:
watch.display.poweron() watch.display.poweron()
self.app.wake() self.app.wake()
watch.backlight.set(2) watch.backlight.set(self._brightness)
# Discard any pending touch events # Discard any pending touch events
_ = watch.touch.get_event() _ = watch.touch.get_event()