initial commit, display with commands working
This commit is contained in:
aeroreyna
621
Pico_ePaper_Code/python/Pico-ePaper-3.7.py
Normal file
621
Pico_ePaper_Code/python/Pico-ePaper-3.7.py
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# *****************************************************************************
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# * | File : Pico_ePaper-3.7.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 : 2021-06-01
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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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# Display resolution
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EPD_WIDTH = 280
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EPD_HEIGHT = 480
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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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EPD_3IN7_lut_4Gray_GC =[
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0x2A,0x06,0x15,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#1
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0x28,0x06,0x14,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#2
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0x20,0x06,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#3
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0x14,0x06,0x28,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#4
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#5
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0x00,0x02,0x02,0x0A,0x00,0x00,0x00,0x08,0x08,0x02,#6
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0x00,0x02,0x02,0x0A,0x00,0x00,0x00,0x00,0x00,0x00,#7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#8
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#9
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#10
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0x22,0x22,0x22,0x22,0x22
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]
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EPD_3IN7_lut_1Gray_GC =[
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0x2A,0x05,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#1
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0x05,0x2A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#2
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0x2A,0x15,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#3
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0x05,0x0A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#4
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#5
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0x00,0x02,0x03,0x0A,0x00,0x02,0x06,0x0A,0x05,0x00,#6
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#8
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#9
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#10
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0x22,0x22,0x22,0x22,0x22
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]
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EPD_3IN7_lut_1Gray_DU =[
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#1
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0x01,0x2A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x0A,0x55,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#3
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#5
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0x00,0x00,0x05,0x05,0x00,0x05,0x03,0x05,0x05,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#9
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x22,0x22,0x22,0x22,0x22
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]
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EPD_3IN7_lut_1Gray_A2 =[
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#1
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0x0A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#2
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0x05,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#3
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#4
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#5
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0x00,0x00,0x03,0x05,0x00,0x00,0x00,0x00,0x00,0x00,#6
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#8
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#9
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#10
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0x22,0x22,0x22,0x22,0x22
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]
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class EPD_3in7:
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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.lut_4Gray_GC = EPD_3IN7_lut_4Gray_GC
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self.lut_1Gray_GC = EPD_3IN7_lut_1Gray_GC
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self.lut_1Gray_DU = EPD_3IN7_lut_1Gray_DU
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self.lut_1Gray_A2 = EPD_3IN7_lut_1Gray_A2
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self.black = 0x00
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self.white = 0xff
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self.darkgray = 0xaa
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self.grayish = 0x55
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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_1Gray = bytearray(self.height * self.width // 8)
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self.buffer_4Gray = bytearray(self.height * self.width // 4)
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self.image1Gray = framebuf.FrameBuffer(self.buffer_1Gray, self.width, self.height, framebuf.MONO_HLSB)
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self.image4Gray = framebuf.FrameBuffer(self.buffer_4Gray, self.width, self.height, framebuf.GS2_HMSB)
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self.EPD_3IN7_4Gray_init()
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self.EPD_3IN7_4Gray_Clear()
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utime.sleep_ms(500)
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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(30)
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self.digital_write(self.reset_pin, 0)
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self.delay_ms(3)
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(30)
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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 ReadBusy(self):
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print("e-Paper 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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self.delay_ms(200)
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print("e-Paper busy release")
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def Load_LUT(self,lut):
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self.send_command(0x32)
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for count in range(0, 105):
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if lut == 0 :
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self.send_data(self.lut_4Gray_GC[count])
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elif lut == 1 :
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self.send_data(self.lut_1Gray_GC[count])
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elif lut == 2 :
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self.send_data(self.lut_1Gray_DU[count])
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elif lut == 3 :
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self.send_data(self.lut_1Gray_A2[count])
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else:
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print("There is no such lut ")
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def EPD_3IN7_4Gray_init(self):
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self.reset() # SWRESET
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self.send_command(0x12)
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self.delay_ms(300)
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self.send_command(0x46)
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self.send_data(0xF7)
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self.ReadBusy()
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self.send_command(0x47)
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self.send_data(0xF7)
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self.ReadBusy()
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self.send_command(0x01) # setting gaet number
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self.send_data(0xDF)
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self.send_data(0x01)
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self.send_data(0x00)
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self.send_command(0x03) # set gate voltage
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self.send_data(0x00)
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self.send_command(0x04) # set source voltage
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self.send_data(0x41)
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self.send_data(0xA8)
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self.send_data(0x32)
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self.send_command(0x11) # set data entry sequence
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self.send_data(0x03)
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self.send_command(0x3C) # set border
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self.send_data(0x03)
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self.send_command(0x0C) # set booster strength
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self.send_data(0xAE)
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self.send_data(0xC7)
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self.send_data(0xC3)
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self.send_data(0xC0)
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self.send_data(0xC0)
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self.send_command(0x18) # set internal sensor on
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self.send_data(0x80)
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self.send_command(0x2C) # set vcom value
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self.send_data(0x44)
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self.send_command(0x37) # set display option, these setting turn on previous function
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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(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(0x00)
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self.send_data(0x00)
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self.send_command(0x44) # setting X direction start/end position of RAM
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x17)
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self.send_data(0x01)
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self.send_command(0x45) # setting Y direction start/end position of RAM
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0xDF)
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self.send_data(0x01)
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self.send_command(0x22) # Display Update Control 2
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self.send_data(0xCF)
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def EPD_3IN7_1Gray_init(self):
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self.reset()
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self.send_command(0x12)
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self.delay_ms(300)
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self.send_command(0x46)
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self.send_data(0xF7)
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self.ReadBusy()
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self.send_command(0x47)
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self.send_data(0xF7)
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self.ReadBusy()
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self.send_command(0x01) # setting gaet number
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self.send_data(0xDF)
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self.send_data(0x01)
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self.send_data(0x00)
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self.send_command(0x03) # set gate voltage
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self.send_data(0x00)
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self.send_command(0x04) # set source voltage
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self.send_data(0x41)
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self.send_data(0xA8)
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self.send_data(0x32)
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self.send_command(0x11) # set data entry sequence
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self.send_data(0x03)
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self.send_command(0x3C) # set border
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self.send_data(0x03)
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self.send_command(0x0C) # set booster strength
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self.send_data(0xAE)
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self.send_data(0xC7)
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self.send_data(0xC3)
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self.send_data(0xC0)
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self.send_data(0xC0)
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self.send_command(0x18) # set internal sensor on
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self.send_data(0x80)
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self.send_command(0x2C) # set vcom value
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self.send_data(0x44)
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self.send_command(0x37) # set display option, these setting turn on previous function
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self.send_data(0x00) # can switch 1 gray or 4 gray
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self.send_data(0xFF)
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self.send_data(0xFF)
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self.send_data(0xFF)
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self.send_data(0xFF)
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self.send_data(0x4F)
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self.send_data(0xFF)
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self.send_data(0xFF)
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self.send_data(0xFF)
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self.send_data(0xFF)
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self.send_command(0x44) # setting X direction start/end position of RAM
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0x17)
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self.send_data(0x01)
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self.send_command(0x45) # setting Y direction start/end position of RAM
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_data(0xDF)
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self.send_data(0x01)
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self.send_command(0x22) # Display Update Control 2
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self.send_data(0xCF)
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def EPD_3IN7_4Gray_Clear(self):
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high = self.height
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if( self.width % 8 == 0) :
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wide = self.width // 8
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else :
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wide = self.width // 8 + 1
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self.send_command(0x49)
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self.send_data(0x00)
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self.send_command(0x4E)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x4F)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x24)
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for j in range(0, high):
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for i in range(0, wide):
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self.send_data(0Xff)
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self.send_command(0x4E)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x4F)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x26)
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for j in range(0, high):
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for i in range(0, wide):
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self.send_data(0Xff)
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self.Load_LUT(0)
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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 EPD_3IN7_1Gray_Clear(self):
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high = self.height
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if( self.width % 8 == 0) :
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wide = self.width // 8
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else :
|
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wide = self.width // 8 + 1
|
||||
|
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self.send_command(0x4E)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x4F)
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self.send_data(0x00)
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self.send_data(0x00)
|
||||
|
||||
self.send_command(0x24)
|
||||
for j in range(0, high):
|
||||
for i in range(0, wide):
|
||||
self.send_data(0Xff)
|
||||
|
||||
|
||||
self.Load_LUT(1)
|
||||
|
||||
self.send_command(0x20)
|
||||
self.ReadBusy()
|
||||
|
||||
def EPD_3IN7_4Gray_Display(self,Image):
|
||||
|
||||
self.send_command(0x49)
|
||||
self.send_data(0x00)
|
||||
|
||||
|
||||
self.send_command(0x4E)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
|
||||
|
||||
self.send_command(0x4F)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x24)
|
||||
for i in range(0, 16800):
|
||||
temp3=0
|
||||
for j in range(0, 2):
|
||||
temp1 = Image[i*2+j]
|
||||
for k in range(0, 2):
|
||||
temp2 = temp1&0x03
|
||||
if(temp2 == 0x03):
|
||||
temp3 |= 0x01 # white
|
||||
elif(temp2 == 0x00):
|
||||
temp3 |= 0x00 # black
|
||||
elif(temp2 == 0x02):
|
||||
temp3 |= 0x01 # gray1
|
||||
else: # 0x01
|
||||
temp3 |= 0x00 # gray2
|
||||
temp3 <<= 1
|
||||
|
||||
temp1 >>= 2
|
||||
temp2 = temp1&0x03
|
||||
if(temp2 == 0x03): # white
|
||||
temp3 |= 0x01;
|
||||
elif(temp2 == 0x00): # black
|
||||
temp3 |= 0x00;
|
||||
elif(temp2 == 0x02):
|
||||
temp3 |= 0x01 # gray1
|
||||
else: # 0x01
|
||||
temp3 |= 0x00 # gray2
|
||||
|
||||
if (( j!=1 ) | ( k!=1 )):
|
||||
temp3 <<= 1
|
||||
|
||||
temp1 >>= 2
|
||||
|
||||
self.send_data(temp3)
|
||||
# new data
|
||||
self.send_command(0x4E)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
|
||||
|
||||
self.send_command(0x4F)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x26)
|
||||
for i in range(0, 16800):
|
||||
temp3=0
|
||||
for j in range(0, 2):
|
||||
temp1 = Image[i*2+j]
|
||||
for k in range(0, 2):
|
||||
temp2 = temp1&0x03
|
||||
if(temp2 == 0x03):
|
||||
temp3 |= 0x01 # white
|
||||
elif(temp2 == 0x00):
|
||||
temp3 |= 0x00 # black
|
||||
elif(temp2 == 0x02):
|
||||
temp3 |= 0x00 # gray1
|
||||
else: # 0x01
|
||||
temp3 |= 0x01 # gray2
|
||||
temp3 <<= 1
|
||||
|
||||
temp1 >>= 2
|
||||
temp2 = temp1&0x03
|
||||
if(temp2 == 0x03): # white
|
||||
temp3 |= 0x01;
|
||||
elif(temp2 == 0x00): # black
|
||||
temp3 |= 0x00;
|
||||
elif(temp2 == 0x02):
|
||||
temp3 |= 0x00 # gray1
|
||||
else: # 0x01
|
||||
temp3 |= 0x01 # gray2
|
||||
|
||||
if (( j!=1 ) | ( k!=1 )):
|
||||
temp3 <<= 1
|
||||
|
||||
temp1 >>= 2
|
||||
|
||||
self.send_data(temp3)
|
||||
|
||||
self.Load_LUT(0)
|
||||
|
||||
self.send_command(0x22)
|
||||
self.send_data(0xC7)
|
||||
|
||||
self.send_command(0x20)
|
||||
|
||||
self.ReadBusy()
|
||||
|
||||
def EPD_3IN7_1Gray_Display(self,Image):
|
||||
|
||||
high = self.height
|
||||
if( self.width % 8 == 0) :
|
||||
wide = self.width // 8
|
||||
else :
|
||||
wide = self.width // 8 + 1
|
||||
|
||||
self.send_command(0x49)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x4E)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
self.send_command(0x4F)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x24)
|
||||
for j in range(0, high):
|
||||
for i in range(0, wide):
|
||||
self.send_data(Image[i + j * wide])
|
||||
|
||||
|
||||
self.Load_LUT(1)
|
||||
|
||||
self.send_command(0x20)
|
||||
self.ReadBusy()
|
||||
|
||||
def EPD_3IN7_1Gray_Display_Part(self,Image):
|
||||
|
||||
high = self.height
|
||||
if( self.width % 8 == 0) :
|
||||
wide = self.width // 8
|
||||
else :
|
||||
wide = self.width // 8 + 1
|
||||
|
||||
self.send_command(0x44)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
self.send_data((self.width-1) & 0xff)
|
||||
self.send_data(((self.width-1)>>8) & 0x03)
|
||||
self.send_command(0x45)
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
self.send_data((self.height-1) & 0xff)
|
||||
self.send_data(((self.height-1)>>8) & 0x03)
|
||||
|
||||
self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER
|
||||
self.send_data(0x00)
|
||||
self.send_data(0x00)
|
||||
|
||||
self.send_command(0x24)
|
||||
for j in range(0, high):
|
||||
for i in range(0, wide):
|
||||
self.send_data(Image[i + j * wide])
|
||||
|
||||
self.Load_LUT(2)
|
||||
self.send_command(0x20)
|
||||
self.ReadBusy()
|
||||
|
||||
def Sleep(self):
|
||||
self.send_command(0X10) # deep sleep
|
||||
self.send_data(0x03)
|
||||
|
||||
if __name__=='__main__':
|
||||
|
||||
epd = EPD_3in7()
|
||||
|
||||
epd.image1Gray.fill(0xff)
|
||||
epd.image4Gray.fill(0xff)
|
||||
|
||||
epd.image4Gray.text("Waveshare", 5, 10, epd.black)
|
||||
epd.image4Gray.text("Pico_ePaper-3.7", 5, 40, epd.black)
|
||||
epd.image4Gray.text("Raspberry Pico", 5, 70, epd.black)
|
||||
epd.EPD_3IN7_4Gray_Display(epd.buffer_4Gray)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.image4Gray.vline(10, 90, 60, epd.black)
|
||||
epd.image4Gray.vline(90, 90, 60, epd.black)
|
||||
epd.image4Gray.hline(10, 90, 80, epd.black)
|
||||
epd.image4Gray.hline(10, 150, 80, epd.black)
|
||||
epd.image4Gray.line(10, 90, 90, 150, epd.black)
|
||||
epd.image4Gray.line(90, 90, 10, 150, epd.black)
|
||||
epd.EPD_3IN7_4Gray_Display(epd.buffer_4Gray)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.image4Gray.rect(10, 180, 50, 80, epd.black)
|
||||
epd.image4Gray.fill_rect(70, 180, 50, 80, epd.black)
|
||||
epd.EPD_3IN7_4Gray_Display(epd.buffer_4Gray)
|
||||
epd.delay_ms(500)
|
||||
|
||||
epd.image4Gray.fill_rect(0, 270, 280, 30, epd.black)
|
||||
epd.image4Gray.text('GRAY1 with black background',5, 281, epd.white)
|
||||
epd.image4Gray.text('GRAY2 with white background',5, 311, epd.grayish)
|
||||
epd.image4Gray.text('GRAY3 with white background',5, 341, epd.darkgray)
|
||||
epd.image4Gray.text('GRAY4 with white background',5, 371, epd.black)
|
||||
epd.EPD_3IN7_4Gray_Display(epd.buffer_4Gray)
|
||||
epd.delay_ms(500)
|
||||
|
||||
|
||||
epd.EPD_3IN7_1Gray_init()
|
||||
for i in range(0, 10):
|
||||
epd.image1Gray.fill_rect(0, 430, 280, 10, epd.white)
|
||||
epd.image1Gray.text(str(i), 136, 431, epd.black)
|
||||
epd.EPD_3IN7_1Gray_Display_Part(epd.buffer_1Gray)
|
||||
|
||||
|
||||
|
||||
|
||||
epd.Sleep()
|
||||
|
||||
|
||||
Reference in New Issue
Block a user