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Added fast refresh and improved partial refresh effect to the 4.2inch e-Paper

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This commit is contained in:
SSYYL 2022-02-08 10:28:56 +08:00
parent 15df676682
commit d6e11eaae6
18 changed files with 4070 additions and 1871 deletions
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18
RaspberryPi_JetsonNano/python/examples/epd_4in2_test.py
View file

@ -78,18 +78,20 @@ try:
logging.info("Clear...")
epd.Clear()
Himage3 = Image.new('1', (epd.width, epd.height), 0) # 255: clear the frame
draw = ImageDraw.Draw(Himage3)
print("Support for partial refresh, but the refresh effect is not good, but it is not recommended")
print("Local refresh is off by default and is not recommended.")
if(0):
print("Support for partial refresh, but the refresh effect is not good, but it is not recommended")
print("Local refresh is off by default and is not recommended.")
Himage3 = Image.new('1', (epd.width, epd.height), 0) # 255: clear the frame
draw = ImageDraw.Draw(Himage3)
epd.init_Partial()
for j in range(0, int(20)):
draw.rectangle((8, 80, 44, 155), fill = 0)
draw.text((8, 80), str(j) , font = font35, fill = 1)
draw.text((8, 120), str(20-j) , font = font35, fill = 1)
draw.rectangle((8, 80, 48, 155), fill = 255)
draw.text((8, 80), str(j) , font = font35, fill = 0)
draw.text((8, 120), str(20-j) , font = font35, fill = 0)
epd.EPD_4IN2_PartialDisplay(8, 80, 42, 155, epd.getbuffer(Himage3))
time.sleep(2);
'''4Gray display'''
logging.info("5.4Gray display--------------------------------")
epd.Init_4Gray()

392
RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd4in2.py
View file

@ -1,5 +1,5 @@
# *****************************************************************************
# * | File : epd4in2.py
# * | File : epd4in2.py
# * | Author : Waveshare team
# * | Function : Electronic paper driver
# * | Info :
@ -56,167 +56,179 @@ class EPD:
self.GRAY2 = GRAY2
self.GRAY3 = GRAY3 #gray
self.GRAY4 = GRAY4 #Blackest
self.DATA = [0x00] * 15000
lut_vcom0 = [
0x00, 0x17, 0x00, 0x00, 0x00, 0x02,
0x00, 0x17, 0x17, 0x00, 0x00, 0x02,
0x00, 0x0A, 0x01, 0x00, 0x00, 0x01,
0x00, 0x0E, 0x0E, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x08, 0x08, 0x00, 0x00, 0x02,
0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01,
0x00, 0x08, 0x08, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
]
lut_ww = [
0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
0x40, 0x0A, 0x01, 0x00, 0x00, 0x01,
0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_bw = [
0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
0x40, 0x0A, 0x01, 0x00, 0x00, 0x01,
0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_wb = [
0x80, 0x17, 0x00, 0x00, 0x00, 0x02,
0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
0x80, 0x0A, 0x01, 0x00, 0x00, 0x01,
0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_bb = [
0x80, 0x17, 0x00, 0x00, 0x00, 0x02,
0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
0x80, 0x0A, 0x01, 0x00, 0x00, 0x01,
0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x20, 0x08, 0x08, 0x00, 0x00, 0x02,
0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
0x10, 0x08, 0x08, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
#******************************partial screen update LUT*********************************/
EPD_4IN2_Partial_lut_vcom1 =[
0x00 ,0x19 ,0x01 ,0x00 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00, ]
0x00, 0x01, 0x20, 0x01, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
EPD_4IN2_Partial_lut_ww1 =[
0x00 ,0x19 ,0x01 ,0x00 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,]
0x00, 0x01, 0x20, 0x01, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
EPD_4IN2_Partial_lut_bw1 =[
0x80 ,0x19 ,0x01 ,0x00 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, ]
0x20, 0x01, 0x20, 0x01, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
EPD_4IN2_Partial_lut_wb1 =[
0x40 ,0x19 ,0x01 ,0x00 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, ]
0x10, 0x01, 0x20, 0x01, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
EPD_4IN2_Partial_lut_bb1 =[
0x00 ,0x19 ,0x01 ,0x00 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, ]
0x00, 0x01,0x20, 0x01, 0x00, 0x01,
0x00, 0x00,0x00, 0x00, 0x00, 0x00,
0x00, 0x00,0x00, 0x00, 0x00, 0x00,
0x00, 0x00,0x00, 0x00, 0x00, 0x00,
0x00, 0x00,0x00, 0x00, 0x00, 0x00,
0x00, 0x00,0x00, 0x00, 0x00, 0x00,
0x00, 0x00,0x00, 0x00, 0x00, 0x00,
]
#******************************gray*********************************/
#0~3 gray
EPD_4IN2_4Gray_lut_vcom =[
0x00 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
0x60 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
0x00 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
0x00 ,0x13 ,0x0A ,0x01 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00
0x00 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
0x60 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
0x00 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
0x00 ,0x13 ,0x0A ,0x01 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00
]
#R21
EPD_4IN2_4Gray_lut_ww =[
0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
0x10 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
0xA0 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
0x10 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
0xA0 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
]
#R22H r
#R22H r
EPD_4IN2_4Gray_lut_bw =[
0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
0x99 ,0x0C ,0x01 ,0x03 ,0x04 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
0x99 ,0x0C ,0x01 ,0x03 ,0x04 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
]
#R23H w
#R23H w
EPD_4IN2_4Gray_lut_wb =[
0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
0x99 ,0x0B ,0x04 ,0x04 ,0x01 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
0x99 ,0x0B ,0x04 ,0x04 ,0x01 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
]
#R24H b
#R24H b
EPD_4IN2_4Gray_lut_bb =[
0x80 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
0x20 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
0x50 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x80 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
0x20 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
0x50 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
]
# Hardware reset
def reset(self):
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(20)
epdconfig.delay_ms(10)
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(5)
epdconfig.delay_ms(10)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(20)
epdconfig.delay_ms(10)
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(5)
epdconfig.delay_ms(10)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(20)
epdconfig.delay_ms(10)
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(5)
epdconfig.delay_ms(10)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(20)
epdconfig.delay_ms(10)
def send_command(self, command):
epdconfig.digital_write(self.dc_pin, 0)
@ -238,33 +250,33 @@ class EPD:
def set_lut(self):
self.send_command(0x20) # vcom
for count in range(0, 44):
for count in range(0, 36):
self.send_data(self.lut_vcom0[count])
self.send_command(0x21) # ww --
for count in range(0, 42):
for count in range(0, 36):
self.send_data(self.lut_ww[count])
self.send_command(0x22) # bw r
for count in range(0, 42):
for count in range(0, 36):
self.send_data(self.lut_bw[count])
self.send_command(0x23) # wb w
for count in range(0, 42):
for count in range(0, 36):
self.send_data(self.lut_bb[count])
self.send_command(0x24) # bb b
for count in range(0, 42):
for count in range(0, 36):
self.send_data(self.lut_wb[count])
def Partial_SetLut(self):
self.send_command(0x20);
for count in range(0, 44):
for count in range(0, 44):
self.send_data(self.EPD_4IN2_Partial_lut_vcom1[count])
self.send_command(0x21);
for count in range(0, 42):
for count in range(0, 42):
self.send_data(self.EPD_4IN2_Partial_lut_ww1[count])
self.send_command(0x22);
@ -272,29 +284,29 @@ class EPD:
self.send_data(self.EPD_4IN2_Partial_lut_bw1[count])
self.send_command(0x23);
for count in range(0, 42):
for count in range(0, 42):
self.send_data(self.EPD_4IN2_Partial_lut_wb1[count])
self.send_command(0x24);
for count in range(0, 42):
for count in range(0, 42):
self.send_data(self.EPD_4IN2_Partial_lut_bb1[count])
def Gray_SetLut(self):
self.send_command(0x20) #vcom
self.send_command(0x20) #vcom
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_vcom[count])
self.send_command(0x21) #red not use
self.send_command(0x21) #red not use
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_ww[count])
self.send_command(0x22) #bw r
self.send_command(0x22) #bw r
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_bw[count])
self.send_command(0x23) #wb w
self.send_command(0x23) #wb w
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_wb[count])
@ -302,7 +314,7 @@ class EPD:
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_bb[count])
self.send_command(0x25) #vcom
self.send_command(0x25) #vcom
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_ww[count])
@ -329,64 +341,105 @@ class EPD:
self.send_command(0x00) # panel setting
self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f
self.send_data(0x0d)
self.send_command(0x30) # PLL setting
self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
self.send_command(0x61) # resolution setting
self.send_command(0x61) # resolution setting
self.send_data(0x01)
self.send_data(0x90) # 128
self.send_data(0x01)
self.send_data(0x01)
self.send_data(0x2c)
self.send_command(0x82) # vcom_DC setting
self.send_data(0x28)
self.send_command(0x82) # vcom_DC setting
self.send_data(0x12)
self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
self.send_data(0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
self.send_data(0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
self.set_lut()
# EPD hardware init end
return 0
def init_Partial(self):
if (epdconfig.module_init() != 0):
return -1
# EPD hardware init start
self.reset()
self.send_command(0x01) # POWER SETTING
self.send_data(0x03) # VDS_EN, VDG_EN
self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
self.send_data(0x2b) # VDH
self.send_data(0x2b) # VDL
self.send_command(0x06) # boost soft start
self.send_data(0x17)
self.send_data(0x17)
self.send_data(0x17)
self.send_command(0x04) # POWER_ON
self.ReadBusy()
self.send_command(0x00) # panel setting
self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f
self.send_command(0x30) # PLL setting
self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
self.send_command(0x61) # resolution setting
self.send_data(0x01)
self.send_data(0x90) # 128
self.send_data(0x01)
self.send_data(0x2c)
self.send_command(0x82) # vcom_DC setting
self.send_data(0x12)
self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
self.send_data(0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
self.Partial_SetLut();
# EPD hardware init end
return 0
def Init_4Gray(self):
if (epdconfig.module_init() != 0):
return -1
# EPD hardware init start
self.reset()
self.send_command(0x01) #POWER SETTING
self.send_command(0x01) #POWER SETTING
self.send_data (0x03)
self.send_data (0x00) #VGH=20V,VGL=-20V
self.send_data (0x2b) #VDH=15V
self.send_data (0x2b) #VDL=-15V
self.send_data (0x2b) #VDH=15V
self.send_data (0x2b) #VDL=-15V
self.send_data (0x13)
self.send_command(0x06) #booster soft start
self.send_data (0x17) #A
self.send_data (0x17) #B
self.send_data (0x17) #C
self.send_data (0x17) #A
self.send_data (0x17) #B
self.send_data (0x17) #C
self.send_command(0x04)
self.ReadBusy()
self.send_command(0x00) #panel setting
self.send_data(0x3f) #KW-3f KWR-2F BWROTP 0f BWOTP 1f
self.send_command(0x00) #panel setting
self.send_data(0x3f) #KW-3f KWR-2F BWROTP 0f BWOTP 1f
self.send_command(0x30) #PLL setting
self.send_data (0x3c) #100hz
self.send_command(0x30) #PLL setting
self.send_data (0x3c) #100hz
self.send_command(0x61) #resolution setting
self.send_data (0x01) #400
self.send_data (0x90)
self.send_data (0x01) #300
self.send_command(0x61) #resolution setting
self.send_data (0x01) #400
self.send_data (0x90)
self.send_data (0x01) #300
self.send_data (0x2c)
self.send_command(0x82) #vcom_DC setting
self.send_command(0x82) #vcom_DC setting
self.send_data (0x12)
self.send_command(0X50) #VCOM AND DATA INTERVAL SETTING
self.send_command(0X50) #VCOM AND DATA INTERVAL SETTING
self.send_data(0x97)
def getbuffer(self, image):
@ -451,7 +504,7 @@ class EPD:
return buf
def display(self, image):
self.send_command(0x92);
self.send_command(0x92);
self.set_lut();
self.send_command(0x10)
for i in range(0, int(self.width * self.height / 8)):
@ -478,40 +531,41 @@ class EPD:
if(X_end % 8 != 0):
X_end = int(X_end/8)*8+8
self.Partial_SetLut();
self.send_command(0x91); #This command makes the display enter partial mode
self.send_command(0x90); #resolution setting
self.send_command(0x91); #This command makes the display enter partial mode
self.send_command(0x90); #resolution setting
self.send_data (int(X_start/256));
self.send_data (int(X_start%256)); #x-start
self.send_data (int(X_end /256));
self.send_data (int(X_end /256));
self.send_data (int(X_end %256)-1); #x-end
self.send_data (int(Y_start/256));
self.send_data (int(Y_start%256)); #y-start
self.send_data (int(Y_end/256));
self.send_data (int(Y_end/256));
self.send_data (int(Y_end%256)-1); #y-end
self.send_data (0x28);
self.send_data (0x28);
self.send_command(0x10); #writes Old data to SRAM for programming
self.send_command(0x10); #writes Old data to SRAM for programming
for j in range(0, int(Y_end - Y_start)):
for i in range(0, int(X_end/8) - int(X_start/8)):
self.send_data(Image[(Y_start + j)*Width + int(X_start/8) + i]);
self.send_data(self.DATA[(Y_start + j)*Width + int(X_start/8) + i]);
self.send_command(0x13); #writes New data to SRAM.
self.send_command(0x13); #writes New data to SRAM.
for j in range(0, int(Y_end - Y_start)):
for i in range(0, int(X_end/8) - int(X_start/8)):
self.send_data(~Image[(Y_start + j)*Width + int(X_start/8) + i]);
self.DATA[(Y_start + j)*Width + int(X_start/8) + i] = ~Image[(Y_start + j)*Width + int(X_start/8) + i]
self.send_command(0x12); #DISPLAY REFRESH
self.send_command(0x12); #DISPLAY REFRESH
epdconfig.delay_ms(200) #The delay here is necessary, 200uS at least!!!
self.ReadBusy()
def display_4Gray(self, image):
self.send_command(0x92);
self.send_command(0x92);
self.set_lut();
self.send_command(0x10)
for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # EPD_WIDTH * EPD_HEIGHT / 4
@ -528,7 +582,7 @@ class EPD:
temp3 |= 0x01 #gray1
else: #0x40
temp3 |= 0x00 #gray2
temp3 <<= 1
temp3 <<= 1
temp1 <<= 2
temp2 = temp1&0xC0
@ -539,13 +593,13 @@ class EPD:
elif(temp2 == 0x80):
temp3 |= 0x01 #gray1
else : #0x40
temp3 |= 0x00 #gray2
if(j!=1 or k!=1):
temp3 |= 0x00 #gray2
if(j!=1 or k!=1):
temp3 <<= 1
temp1 <<= 2
self.send_data(temp3)
self.send_command(0x13)
self.send_command(0x13)
for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): #5808*4 46464
temp3=0
@ -561,7 +615,7 @@ class EPD:
temp3 |= 0x00 #gray1
else: #0x40
temp3 |= 0x01 #gray2
temp3 <<= 1
temp3 <<= 1
temp1 <<= 2
temp2 = temp1&0xC0
@ -572,8 +626,8 @@ class EPD:
elif(temp2 == 0x80):
temp3 |= 0x00 #gray1
else: #0x40
temp3 |= 0x01 #gray2
if(j!=1 or k!=1):
temp3 |= 0x01 #gray2
if(j!=1 or k!=1):
temp3 <<= 1
temp1 <<= 2
self.send_data(temp3)