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Option dangerous_affirm_black added.

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antirez
2024-03-23 23:06:16 +01:00
parent 65823425bf
commit 77e94274ad
2 changed files with 19 additions and 1 deletions
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10
uc8151.py
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@@ -143,7 +143,7 @@ HZ_100 = const(0b00111010)
HZ_200 = const(0b00111001)
class UC8151:
def __init__(self,spi,*,cs,dc,rst,busy,width=128,height=296,speed=0,mirror_x=False,mirror_y=False,inverted=False,no_flickering=False,debug=False,full_update_period=50):
def __init__(self,spi,*,cs,dc,rst,busy,width=128,height=296,speed=0,mirror_x=False,mirror_y=False,inverted=False,no_flickering=False,debug=False,full_update_period=50,dangerous_reaffirm_black=False):
self.spi = spi
self.cs = Pin(cs,Pin.OUT) if cs != None else None
self.dc = Pin(dc,Pin.OUT) if dc != None else None
@@ -153,6 +153,7 @@ class UC8151:
self.height = height
self.speed = speed
self.no_flickering = no_flickering
self.dangerous_reaffirm_black = dangerous_reaffirm_black
self.inverted = inverted
self.mirror_x = mirror_x
self.mirror_y = mirror_y
@@ -554,6 +555,13 @@ class UC8151:
if no_flickering == True:
self.clear_lut(WW)
self.clear_lut(BB)
# If the user sets the dangerous_reaffirm_black parameter during
# the initialization, we very slightly (just two frames) reaffirm
# the black pixels in the BB table, so that they will go less
# towards greyish color. Potentially this could polarize the
# display.
if self.dangerous_reaffirm_black:
self.set_lut_row(BB,0,pat=0b10_01_10_01,dur=[0,2,0,0],rep=1)
if self.debug:
print(f"LUTs for speed {speed} no_flickering {no_flickering}:")