326 lines
11 KiB
Python
326 lines
11 KiB
Python
# *****************************************************************************
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# * | File : Pico_ePaper-2.13.py
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# * | Author : Waveshare team
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# * | Function : Electronic paper driver
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# * | Info :
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# *----------------
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# * | This version: V1.0
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# * | Date : 2021-03-16
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# # | Info : python demo
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# -----------------------------------------------------------------------------
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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from machine import Pin, SPI
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import framebuf
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import utime
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lut_full_update= [
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0x80,0x60,0x40,0x00,0x00,0x00,0x00, #LUT0: BB: VS 0 ~7
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0x10,0x60,0x20,0x00,0x00,0x00,0x00, #LUT1: BW: VS 0 ~7
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0x80,0x60,0x40,0x00,0x00,0x00,0x00, #LUT2: WB: VS 0 ~7
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0x10,0x60,0x20,0x00,0x00,0x00,0x00, #LUT3: WW: VS 0 ~7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT4: VCOM: VS 0 ~7
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0x03,0x03,0x00,0x00,0x02, # TP0 A~D RP0
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0x09,0x09,0x00,0x00,0x02, # TP1 A~D RP1
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0x03,0x03,0x00,0x00,0x02, # TP2 A~D RP2
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0x00,0x00,0x00,0x00,0x00, # TP3 A~D RP3
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0x00,0x00,0x00,0x00,0x00, # TP4 A~D RP4
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0x00,0x00,0x00,0x00,0x00, # TP5 A~D RP5
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0x00,0x00,0x00,0x00,0x00, # TP6 A~D RP6
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0x15,0x41,0xA8,0x32,0x30,0x0A,
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]
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lut_partial_update = [ #20 bytes
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT0: BB: VS 0 ~7
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0x80,0x00,0x00,0x00,0x00,0x00,0x00, #LUT1: BW: VS 0 ~7
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0x40,0x00,0x00,0x00,0x00,0x00,0x00, #LUT2: WB: VS 0 ~7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT3: WW: VS 0 ~7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT4: VCOM: VS 0 ~7
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0x0A,0x00,0x00,0x00,0x00, # TP0 A~D RP0
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0x00,0x00,0x00,0x00,0x00, # TP1 A~D RP1
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0x00,0x00,0x00,0x00,0x00, # TP2 A~D RP2
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0x00,0x00,0x00,0x00,0x00, # TP3 A~D RP3
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0x00,0x00,0x00,0x00,0x00, # TP4 A~D RP4
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0x00,0x00,0x00,0x00,0x00, # TP5 A~D RP5
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0x00,0x00,0x00,0x00,0x00, # TP6 A~D RP6
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0x15,0x41,0xA8,0x32,0x30,0x0A,
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]
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EPD_WIDTH = 128 # 122
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EPD_HEIGHT = 250
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RST_PIN = 12
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DC_PIN = 8
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CS_PIN = 9
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BUSY_PIN = 13
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FULL_UPDATE = 0
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PART_UPDATE = 1
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class EPD_2in13(framebuf.FrameBuffer):
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def __init__(self):
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self.reset_pin = Pin(RST_PIN, Pin.OUT)
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self.busy_pin = Pin(BUSY_PIN, Pin.IN, Pin.PULL_UP)
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self.cs_pin = Pin(CS_PIN, Pin.OUT)
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self.width = EPD_WIDTH
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self.height = EPD_HEIGHT
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self.full_lut = lut_full_update
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self.partial_lut = lut_partial_update
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self.full_update = FULL_UPDATE
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self.part_update = PART_UPDATE
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self.spi = SPI(1)
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self.spi.init(baudrate=4000_000)
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self.dc_pin = Pin(DC_PIN, Pin.OUT)
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self.buffer = bytearray(self.height * self.width // 8)
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super().__init__(self.buffer, self.width, self.height, framebuf.MONO_HLSB)
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self.init(FULL_UPDATE)
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def digital_write(self, pin, value):
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pin.value(value)
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def digital_read(self, pin):
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return pin.value()
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def delay_ms(self, delaytime):
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utime.sleep(delaytime / 1000.0)
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def spi_writebyte(self, data):
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self.spi.write(bytearray(data))
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def module_exit(self):
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self.digital_write(self.reset_pin, 0)
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# Hardware reset
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def reset(self):
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(50)
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self.digital_write(self.reset_pin, 0)
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self.delay_ms(2)
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(50)
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def send_command(self, command):
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self.digital_write(self.dc_pin, 0)
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self.digital_write(self.cs_pin, 0)
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self.spi_writebyte([command])
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self.digital_write(self.cs_pin, 1)
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def send_data(self, data):
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self.digital_write(self.dc_pin, 1)
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self.digital_write(self.cs_pin, 0)
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self.spi_writebyte([data])
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self.digital_write(self.cs_pin, 1)
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def send_data1(self, buf):
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self.digital_write(self.dc_pin, 1)
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self.digital_write(self.cs_pin, 0)
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self.spi.write(bytearray(buf))
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self.digital_write(self.cs_pin, 1)
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def ReadBusy(self):
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print('busy')
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while(self.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy
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self.delay_ms(10)
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print('busy release')
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def TurnOnDisplay(self):
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self.send_command(0x22)
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self.send_data(0xC7)
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self.send_command(0x20)
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self.ReadBusy()
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def TurnOnDisplayPart(self):
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self.send_command(0x22)
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self.send_data(0x0c)
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self.send_command(0x20)
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self.ReadBusy()
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def init(self, update):
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print('init')
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self.reset()
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if(update == self.full_update):
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self.ReadBusy()
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self.send_command(0x12) # soft reset
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self.ReadBusy()
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self.send_command(0x74) #set analog block control
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self.send_data(0x54)
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self.send_command(0x7E) #set digital block control
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self.send_data(0x3B)
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self.send_command(0x01) #Driver output control
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self.send_data(0x27)
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self.send_data(0x01)
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self.send_data(0x01)
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self.send_command(0x11) #data entry mode
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self.send_data(0x01)
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self.send_command(0x44) #set Ram-X address start/end position
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self.send_data(0x00)
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self.send_data(0x0F) #0x0C-->(15+1)*8=128
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self.send_command(0x45) #set Ram-Y address start/end position
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self.send_data(0x27) #0xF9-->(249+1)=250
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self.send_data(0x01)
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self.send_data(0x2e)
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self.send_data(0x00)
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self.send_command(0x3C) #BorderWaveform
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self.send_data(0x03)
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self.send_command(0x2C) #VCOM Voltage
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self.send_data(0x55) #
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self.send_command(0x03)
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self.send_data(self.full_lut[70])
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self.send_command(0x04) #
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self.send_data(self.full_lut[71])
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self.send_data(self.full_lut[72])
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self.send_data(self.full_lut[73])
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self.send_command(0x3A) #Dummy Line
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self.send_data(self.full_lut[74])
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self.send_command(0x3B) #Gate time
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self.send_data(self.full_lut[75])
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self.send_command(0x32)
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for count in range(70):
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self.send_data(self.full_lut[count])
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self.send_command(0x4E) # set RAM x address count to 0
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self.send_data(0x00)
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self.send_command(0x4F) # set RAM y address count to 0X127
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self.send_data(0x0)
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self.send_data(0x00)
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self.ReadBusy()
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else:
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self.send_command(0x2C) #VCOM Voltage
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self.send_data(0x26)
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self.ReadBusy()
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self.send_command(0x32)
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for count in range(70):
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self.send_data(self.partial_lut[count])
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self.send_command(0x37)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x40)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x22)
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self.send_data(0xC0)
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self.send_command(0x20)
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self.ReadBusy()
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self.send_command(0x3C) #BorderWaveform
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self.send_data(0x01)
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return 0
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def display(self, image):
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self.send_command(0x24)
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self.send_data1(image)
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self.TurnOnDisplay()
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def displayPartial(self, image):
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self.send_command(0x24)
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self.send_data1(image)
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self.send_command(0x26)
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self.send_data1(image)
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self.TurnOnDisplayPart()
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def displayPartBaseImage(self, image):
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self.send_command(0x24)
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self.send_data1(image)
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self.send_command(0x26)
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self.send_data1(image)
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self.TurnOnDisplay()
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def Clear(self, color):
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self.send_command(0x24)
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self.send_data1([color] * self.height * int(self.width / 8))
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self.send_command(0x26)
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self.send_data1([color] * self.height * int(self.width / 8))
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self.TurnOnDisplay()
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def sleep(self):
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self.send_command(0x10) #enter deep sleep
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self.send_data(0x03)
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self.delay_ms(2000)
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self.module_exit()
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if __name__=='__main__':
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epd = EPD_2in13()
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epd.Clear(0xff)
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epd.fill(0xff)
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epd.text("Waveshare", 0, 10, 0x00)
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epd.text("ePaper-2.13", 0, 30, 0x00)
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epd.text("Raspberry Pico", 0, 50, 0x00)
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epd.text("Hello World", 0, 70, 0x00)
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epd.display(epd.buffer)
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epd.delay_ms(2000)
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epd.vline(10, 90, 60, 0x00)
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epd.vline(90, 90, 60, 0x00)
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epd.hline(10, 90, 80, 0x00)
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epd.hline(10, 150, 80, 0x00)
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epd.line(10, 90, 90, 150, 0x00)
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epd.line(90, 90, 10, 150, 0x00)
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epd.display(epd.buffer)
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epd.delay_ms(2000)
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epd.rect(10, 180, 50, 40, 0x00)
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epd.fill_rect(60, 180, 50, 40, 0x00)
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epd.displayPartBaseImage(epd.buffer)
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epd.delay_ms(2000)
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epd.init(epd.part_update)
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for i in range(0, 10):
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epd.fill_rect(40, 230, 40, 10, 0xff)
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epd.text(str(i), 60, 230, 0x00)
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epd.displayPartial(epd.buffer)
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epd.init(epd.full_update)
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epd.Clear(0xff)
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epd.delay_ms(2000)
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epd.sleep() |