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Fade out effect.

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antirez
2024-03-17 20:08:40 +01:00
parent 6b8f4218be
commit 3d6ed2f41a
1 changed files with 29 additions and 1 deletions
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30
uc8151.py
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@@ -746,6 +746,32 @@ class UC8151:
self.set_speed(orig_speed,no_flickering=orig_no_flickering)
self.set_waveform_lut()
# Fade off effect.
def fade_out(self,blocking=True):
LUT = bytearray(42)
VCOM = bytearray(44)
LUT[0] = 0b10_00_00_00
LUT[1] = 1 # Frames
LUT[2] = 2 # Frames
LUT[3] = 2 # Frames
LUT[4] = 2 # Frames
LUT[5] = 10 # Repeat
LUT[6] = 0b10_00_00_00
LUT[7] = 3 # Frames
LUT[11] = 10 # Repeat
VCOM[1:6] = LUT[1:6]
VCOM[7:12] = LUT[7:12]
self.write(CMD_LUT_VCOM,VCOM)
self.write(CMD_LUT_WW,LUT)
self.write(CMD_LUT_BB,LUT)
self.write(CMD_LUT_WB,LUT)
self.write(CMD_LUT_BW,LUT)
empty = bytes(self.width*self.height//8)
self.update(blocking=blocking,fb=empty)
self.set_waveform_lut()
if __name__ == "__main__":
from machine import SPI
import random
@@ -753,8 +779,10 @@ if __name__ == "__main__":
spi = SPI(0, baudrate=12000000, phase=0, polarity=0, sck=Pin(18), mosi=Pin(19), miso=Pin(16))
eink = UC8151(spi,cs=17,dc=20,rst=21,busy=26,speed=2,no_flickering=False)
eink.load_greyscale_image("dama.grey")
#eink.load_greyscale_image("dama.grey")
eink.load_greyscale_image("hopper.grey")
time.sleep(1)
eink.fade_out()
STOP
# eink.set_handmade_lut()