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use python implementation for backlight (for now)

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Pavol Rusnak 2016-06-06 00:58:18 +02:00
parent 92f95d9521
commit 0f24eb2e0e
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1 changed files with 11 additions and 0 deletions
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11
src/trezor/ui/__init__.py
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@ -7,6 +7,17 @@ from trezor import loop
display = Display()
# workaround for missing display.backlight in stmhal
def backlight(val: int):
import sys
if sys.platform == 'trezor':
import pyb
timer = pyb.Timer(1, freq=1000)
val = max(0, min(100, val * 100 // 255))
timer.channel(1, pyb.Timer.PWM_INVERTED, pin=pyb.Pin.board.LCD_PWM, pulse_width_percent=val)
else:
display.backlight(val)
def rgbcolor(r: int, g: int, b: int) -> int:
return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | ((b & 0xF8) >> 3)