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core/ui: Add offset parameter to ui.pulse() and specify the pulse rate in terms of period.

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This commit is contained in:
Andrew Kozlik 2019-08-08 15:31:03 +02:00
parent 2142b37f86
commit 5cbbcd0ce7
2 changed files with 4 additions and 4 deletions
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4
core/src/trezor/ui/__init__.py
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@ -70,9 +70,9 @@ from trezor.ui import style # isort:skip
from trezor.ui.style import * # isort:skip # noqa: F401,F403 from trezor.ui.style import * # isort:skip # noqa: F401,F403
def pulse(coef: int) -> float: def pulse(period: int, offset: int = 0) -> float:
# normalize sin from interval -1:1 to 0:1 # normalize sin from interval -1:1 to 0:1
return 0.5 + 0.5 * math.sin(utime.ticks_us() / coef) return 0.5 + 0.5 * math.sin(2 * math.pi * (utime.ticks_us() + offset) / period)
async def click() -> Pos: async def click() -> Pos:

4
core/src/trezor/ui/scroll.py
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@ -32,10 +32,10 @@ def render_scrollbar(pages: int, page: int) -> None:
def render_swipe_icon() -> None: def render_swipe_icon() -> None:
DRAW_DELAY = const(200000) PULSE_PERIOD = const(1200000)
icon = res.load(ui.ICON_SWIPE) icon = res.load(ui.ICON_SWIPE)
t = ui.pulse(DRAW_DELAY) t = ui.pulse(PULSE_PERIOD)
c = ui.blend(ui.GREY, ui.DARK_GREY, t) c = ui.blend(ui.GREY, ui.DARK_GREY, t)
ui.display.icon(70, 205, icon, c, ui.BG) ui.display.icon(70, 205, icon, c, ui.BG)