alihan/st7735-python-pimoroni
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Fix fix backlight pin state, add set_backlight

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This commit is contained in:
Philip Howard
2019-02-14 15:44:47 +00:00
committed by GitHub
parent 093de23d2b
commit d6122fe4fd
1 changed files with 10 additions and 1 deletions
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11
library/ST7735/__init__.py
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@@ -176,8 +176,12 @@ class ST7735(object):
GPIO.setup(dc, GPIO.OUT) GPIO.setup(dc, GPIO.OUT)
# Setup backlight as output (if provided). # Setup backlight as output (if provided).
self._backlight = backlight
if backlight is not None: if backlight is not None:
GPIO.setup(backlight, GPIO.OUT) GPIO.setup(sbacklight, GPIO.OUT, pull_up_down=GPIO.PUD_UP)
GPIO.output(backlight, GPIO.LOW)
time.sleep(0.1)
GPIO.output(backlight, GPIO.HIGH)
# Setup reset as output (if provided). # Setup reset as output (if provided).
if rst is not None: if rst is not None:
@@ -202,6 +206,11 @@ class ST7735(object):
end = min(start + chunk_size, len(data)) end = min(start + chunk_size, len(data))
self._spi.xfer(data[start:end]) self._spi.xfer(data[start:end])
def set_backlight(self, value):
"""Set the backlight on/off."""
if self._backlight is not None:
GPIO.output(self._backlight, value)
@property @property
def width(self): def width(self):
return self._width if self._rotation == 0 or self._rotation == 180 else self._height return self._width if self._rotation == 0 or self._rotation == 180 else self._height