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# /*****************************************************************************
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# * | File : epdconfig.py
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# *****************************************************************************
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# * | File : epd4in2.py
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# * | Author : Waveshare team
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# * | Function : Hardware underlying interface
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# * | Function : Electronic paper driver
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# * | Info :
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# *----------------
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# * | This version: V1.1
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# * | Date : 2022-08-10
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# * | Info :
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# ******************************************************************************
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# * | This version: V4.2
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# * | Date : 2022-10-29
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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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@ -27,200 +27,652 @@
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# THE SOFTWARE.
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#
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import os
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import logging
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import sys
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import time
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import epdconfig
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from PIL import Image
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import RPi.GPIO as GPIO
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# Display resolution
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EPD_WIDTH = 400
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EPD_HEIGHT = 300
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GRAY1 = 0xff # white
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GRAY2 = 0xC0
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GRAY3 = 0x80 # gray
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GRAY4 = 0x00 # Blackest
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logger = logging.getLogger(__name__)
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class RaspberryPi:
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# Pin definition
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RST_PIN = 17
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DC_PIN = 25
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CS_PIN = 8
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BUSY_PIN = 24
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class EPD:
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def __init__(self):
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import spidev
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import RPi.GPIO
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self.reset_pin = epdconfig.RST_PIN
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self.dc_pin = epdconfig.DC_PIN
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self.busy_pin = epdconfig.BUSY_PIN
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self.cs_pin = epdconfig.CS_PIN
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self.width = EPD_WIDTH
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self.height = EPD_HEIGHT
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self.GRAY1 = GRAY1 # white
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self.GRAY2 = GRAY2
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self.GRAY3 = GRAY3 # gray
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self.GRAY4 = GRAY4 # Blackest
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self.DATA = [0x00] * 15000
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self.GPIO = RPi.GPIO
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self.SPI = spidev.SpiDev()
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lut_vcom0 = [
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0x00, 0x08, 0x08, 0x00, 0x00, 0x02,
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0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01,
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0x00, 0x08, 0x08, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00,
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]
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lut_ww = [
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0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
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0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
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0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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lut_bw = [
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0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
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0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
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0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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lut_wb = [
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0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
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0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
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0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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lut_bb = [
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0x20, 0x08, 0x08, 0x00, 0x00, 0x02,
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0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
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0x10, 0x08, 0x08, 0x00, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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# ******************************partial screen update LUT*********************************/
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EPD_4IN2_Partial_lut_vcom1 = [
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0x00, 0x01, 0x20, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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def digital_write(self, pin, value):
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self.GPIO.output(pin, value)
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EPD_4IN2_Partial_lut_ww1 = [
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0x00, 0x01, 0x20, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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def digital_read(self, pin):
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return self.GPIO.input(pin)
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EPD_4IN2_Partial_lut_bw1 = [
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0x20, 0x01, 0x20, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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def delay_ms(self, delaytime):
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time.sleep(delaytime / 1000.0)
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EPD_4IN2_Partial_lut_wb1 = [
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0x10, 0x01, 0x20, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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def spi_writebyte(self, data):
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self.SPI.writebytes(data)
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EPD_4IN2_Partial_lut_bb1 = [
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0x00, 0x01, 0x20, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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def spi_writebyte2(self, data):
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self.SPI.writebytes2(data)
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# ******************************gray*********************************/
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# 0~3 gray
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EPD_4IN2_4Gray_lut_vcom = [
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0x00, 0x0A, 0x00, 0x00, 0x00, 0x01,
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0x60, 0x14, 0x14, 0x00, 0x00, 0x01,
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0x00, 0x14, 0x00, 0x00, 0x00, 0x01,
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0x00, 0x13, 0x0A, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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]
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# R21
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EPD_4IN2_4Gray_lut_ww = [
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0x40, 0x0A, 0x00, 0x00, 0x00, 0x01,
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0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
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0x10, 0x14, 0x0A, 0x00, 0x00, 0x01,
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0xA0, 0x13, 0x01, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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# R22H r
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EPD_4IN2_4Gray_lut_bw = [
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0x40, 0x0A, 0x00, 0x00, 0x00, 0x01,
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0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
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0x00, 0x14, 0x0A, 0x00, 0x00, 0x01,
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0x99, 0x0C, 0x01, 0x03, 0x04, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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# R23H w
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EPD_4IN2_4Gray_lut_wb = [
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0x40, 0x0A, 0x00, 0x00, 0x00, 0x01,
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0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
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0x00, 0x14, 0x0A, 0x00, 0x00, 0x01,
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0x99, 0x0B, 0x04, 0x04, 0x01, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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# R24H b
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EPD_4IN2_4Gray_lut_bb = [
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0x80, 0x0A, 0x00, 0x00, 0x00, 0x01,
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0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
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0x20, 0x14, 0x0A, 0x00, 0x00, 0x01,
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0x50, 0x13, 0x01, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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]
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def module_init(self):
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self.GPIO.setmode(self.GPIO.BCM)
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self.GPIO.setwarnings(False)
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self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
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self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
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# Hardware reset
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def reset(self):
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(10)
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epdconfig.digital_write(self.reset_pin, 0)
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epdconfig.delay_ms(10)
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(10)
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epdconfig.digital_write(self.reset_pin, 0)
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epdconfig.delay_ms(10)
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(10)
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epdconfig.digital_write(self.reset_pin, 0)
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epdconfig.delay_ms(10)
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(10)
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# SPI device, bus = 0, device = 0
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self.SPI.open(0, 0)
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self.SPI.max_speed_hz = 4000000
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self.SPI.mode = 0b00
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def send_command(self, command):
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epdconfig.digital_write(self.dc_pin, 0)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte([command])
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epdconfig.digital_write(self.cs_pin, 1)
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def send_data(self, data):
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epdconfig.digital_write(self.dc_pin, 1)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte([data])
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epdconfig.digital_write(self.cs_pin, 1)
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# send a lot of data
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def send_data2(self, data):
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epdconfig.digital_write(self.dc_pin, 1)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte2(data)
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epdconfig.digital_write(self.cs_pin, 1)
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def ReadBusy(self):
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self.send_command(0x71)
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while epdconfig.digital_read(self.busy_pin) == 0: # 0: idle, 1: busy
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self.send_command(0x71)
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epdconfig.delay_ms(100)
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def set_lut(self):
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self.send_command(0x20) # vcom
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self.send_data2(self.lut_vcom0)
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self.send_command(0x21) # ww --
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self.send_data2(self.lut_ww)
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self.send_command(0x22) # bw r
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self.send_data2(self.lut_bw)
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self.send_command(0x23) # wb w
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self.send_data2(self.lut_bb)
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self.send_command(0x24) # bb b
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self.send_data2(self.lut_wb)
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def Partial_SetLut(self):
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self.send_command(0x20)
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self.send_data2(self.EPD_4IN2_Partial_lut_vcom1)
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self.send_command(0x21)
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self.send_data2(self.EPD_4IN2_Partial_lut_ww1)
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self.send_command(0x22)
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self.send_data2(self.EPD_4IN2_Partial_lut_bw1)
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self.send_command(0x23)
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self.send_data2(self.EPD_4IN2_Partial_lut_wb1)
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self.send_command(0x24)
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self.send_data2(self.EPD_4IN2_Partial_lut_bb1)
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def Gray_SetLut(self):
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self.send_command(0x20) # vcom
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self.send_data2(self.EPD_4IN2_4Gray_lut_vcom)
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self.send_command(0x21) # red not use
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self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
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self.send_command(0x22) # bw r
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self.send_data2(self.EPD_4IN2_4Gray_lut_bw)
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self.send_command(0x23) # wb w
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self.send_data2(self.EPD_4IN2_4Gray_lut_wb)
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self.send_command(0x24) # bb b
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self.send_data2(self.EPD_4IN2_4Gray_lut_bb)
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self.send_command(0x25) # vcom
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self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
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def init(self):
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if epdconfig.module_init() != 0:
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return -1
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# EPD hardware init start
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self.reset()
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self.send_command(0x01) # POWER SETTING
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self.send_data(0x03) # VDS_EN, VDG_EN
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self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
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self.send_data(0x2b) # VDH
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self.send_data(0x2b) # VDL
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self.send_command(0x06) # boost soft start
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self.send_data(0x17)
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self.send_data(0x17)
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self.send_data(0x17)
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self.send_command(0x04) # POWER_ON
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self.ReadBusy()
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self.send_command(0x00) # panel setting
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self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f
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self.send_command(0x30) # PLL setting
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self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
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||||
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(
|
||||
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 module_exit(self):
|
||||
logger.debug("spi end")
|
||||
self.SPI.close()
|
||||
def init_Partial(self):
|
||||
if epdconfig.module_init() != 0:
|
||||
return -1
|
||||
# EPD hardware init start
|
||||
self.reset()
|
||||
|
||||
logger.debug("close 5V, Module enters 0 power consumption ...")
|
||||
self.GPIO.output(self.RST_PIN, 0)
|
||||
self.GPIO.output(self.DC_PIN, 0)
|
||||
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.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN])
|
||||
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()
|
||||
|
||||
class JetsonNano:
|
||||
# Pin definition
|
||||
RST_PIN = 17
|
||||
DC_PIN = 25
|
||||
CS_PIN = 8
|
||||
BUSY_PIN = 24
|
||||
self.send_command(0x00) # panel setting
|
||||
self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f
|
||||
|
||||
def __init__(self):
|
||||
import ctypes
|
||||
find_dirs = [
|
||||
os.path.dirname(os.path.realpath(__file__)),
|
||||
'/usr/local/lib',
|
||||
'/usr/lib',
|
||||
]
|
||||
self.SPI = None
|
||||
for find_dir in find_dirs:
|
||||
so_filename = os.path.join(find_dir, 'sysfs_software_spi.so')
|
||||
if os.path.exists(so_filename):
|
||||
self.SPI = ctypes.cdll.LoadLibrary(so_filename)
|
||||
break
|
||||
if self.SPI is None:
|
||||
raise RuntimeError('Cannot find sysfs_software_spi.so')
|
||||
self.send_command(0x30) # PLL setting
|
||||
self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
|
||||
|
||||
import Jetson.GPIO
|
||||
self.GPIO = Jetson.GPIO
|
||||
self.send_command(0x61) # resolution setting
|
||||
self.send_data(0x01)
|
||||
self.send_data(0x90) # 128
|
||||
self.send_data(0x01)
|
||||
self.send_data(0x2c)
|
||||
|
||||
def digital_write(self, pin, value):
|
||||
self.GPIO.output(pin, value)
|
||||
self.send_command(0x82) # vcom_DC setting
|
||||
self.send_data(0x12)
|
||||
|
||||
def digital_read(self, pin):
|
||||
return self.GPIO.input(self.BUSY_PIN)
|
||||
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
|
||||
|
||||
def delay_ms(self, delaytime):
|
||||
time.sleep(delaytime / 1000.0)
|
||||
|
||||
def spi_writebyte(self, data):
|
||||
self.SPI.SYSFS_software_spi_transfer(data[0])
|
||||
|
||||
def spi_writebyte2(self, data):
|
||||
for i in range(len(data)):
|
||||
self.SPI.SYSFS_software_spi_transfer(data[i])
|
||||
|
||||
def module_init(self):
|
||||
self.GPIO.setmode(self.GPIO.BCM)
|
||||
self.GPIO.setwarnings(False)
|
||||
self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
|
||||
self.SPI.SYSFS_software_spi_begin()
|
||||
self.Partial_SetLut()
|
||||
# EPD hardware init end
|
||||
return 0
|
||||
|
||||
def module_exit(self):
|
||||
logger.debug("spi end")
|
||||
self.SPI.SYSFS_software_spi_end()
|
||||
def Init_4Gray(self):
|
||||
if epdconfig.module_init() != 0:
|
||||
return -1
|
||||
# EPD hardware init start
|
||||
self.reset()
|
||||
|
||||
logger.debug("close 5V, Module enters 0 power consumption ...")
|
||||
self.GPIO.output(self.RST_PIN, 0)
|
||||
self.GPIO.output(self.DC_PIN, 0)
|
||||
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(0x13)
|
||||
|
||||
self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN])
|
||||
self.send_command(0x06) # booster soft start
|
||||
self.send_data(0x17) # A
|
||||
self.send_data(0x17) # B
|
||||
self.send_data(0x17) # C
|
||||
|
||||
class SunriseX3:
|
||||
# Pin definition
|
||||
RST_PIN = 17
|
||||
DC_PIN = 25
|
||||
CS_PIN = 8
|
||||
BUSY_PIN = 24
|
||||
Flag = 0
|
||||
self.send_command(0x04)
|
||||
self.ReadBusy()
|
||||
|
||||
def __init__(self):
|
||||
import spidev
|
||||
import Hobot.GPIO
|
||||
self.send_command(0x00) # panel setting
|
||||
self.send_data(0x3f) # KW-3f KWR-2F BWROTP 0f BWOTP 1f
|
||||
|
||||
self.GPIO = Hobot.GPIO
|
||||
self.SPI = spidev.SpiDev()
|
||||
self.send_command(0x30) # PLL setting
|
||||
self.send_data(0x3c) # 100hz
|
||||
|
||||
def digital_write(self, pin, value):
|
||||
self.GPIO.output(pin, value)
|
||||
self.send_command(0x61) # resolution setting
|
||||
self.send_data(0x01) # 400
|
||||
self.send_data(0x90)
|
||||
self.send_data(0x01) # 300
|
||||
self.send_data(0x2c)
|
||||
|
||||
def digital_read(self, pin):
|
||||
return self.GPIO.input(pin)
|
||||
self.send_command(0x82) # vcom_DC setting
|
||||
self.send_data(0x12)
|
||||
|
||||
def delay_ms(self, delaytime):
|
||||
time.sleep(delaytime / 1000.0)
|
||||
self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
|
||||
self.send_data(0x97)
|
||||
|
||||
def spi_writebyte(self, data):
|
||||
self.SPI.writebytes(data)
|
||||
def getbuffer(self, image):
|
||||
# logger.debug("bufsiz = ",int(self.width/8) * self.height)
|
||||
buf = [0xFF] * (int(self.width / 8) * self.height)
|
||||
image_monocolor = image.convert('1')
|
||||
imwidth, imheight = image_monocolor.size
|
||||
pixels = image_monocolor.load()
|
||||
# logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
|
||||
if imwidth == self.width and imheight == self.height:
|
||||
logger.debug("Horizontal")
|
||||
for y in range(imheight):
|
||||
for x in range(imwidth):
|
||||
# Set the bits for the column of pixels at the current position.
|
||||
if pixels[x, y] == 0:
|
||||
buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8))
|
||||
elif imwidth == self.height and imheight == self.width:
|
||||
logger.debug("Vertical")
|
||||
for y in range(imheight):
|
||||
for x in range(imwidth):
|
||||
newx = y
|
||||
newy = self.height - x - 1
|
||||
if pixels[x, y] == 0:
|
||||
buf[int((newx + newy * self.width) / 8)] &= ~(0x80 >> (y % 8))
|
||||
return buf
|
||||
|
||||
def spi_writebyte2(self, data):
|
||||
# for i in range(len(data)):
|
||||
# self.SPI.writebytes([data[i]])
|
||||
self.SPI.xfer3(data)
|
||||
def getbuffer_4Gray(self, image):
|
||||
# logger.debug("bufsiz = ",int(self.width/8) * self.height)
|
||||
buf = [0xFF] * (int(self.width / 4) * self.height)
|
||||
image_monocolor = image.convert('L')
|
||||
imwidth, imheight = image_monocolor.size
|
||||
pixels = image_monocolor.load()
|
||||
i = 0
|
||||
# logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
|
||||
if imwidth == self.width and imheight == self.height:
|
||||
logger.debug("Vertical")
|
||||
for y in range(imheight):
|
||||
for x in range(imwidth):
|
||||
# Set the bits for the column of pixels at the current position.
|
||||
if pixels[x, y] == 0xC0:
|
||||
pixels[x, y] = 0x80
|
||||
elif pixels[x, y] == 0x80:
|
||||
pixels[x, y] = 0x40
|
||||
i = i + 1
|
||||
if i % 4 == 0:
|
||||
buf[int((x + (y * self.width)) / 4)] = (
|
||||
(pixels[x - 3, y] & 0xc0) | (pixels[x - 2, y] & 0xc0) >> 2 | (
|
||||
pixels[x - 1, y] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6)
|
||||
|
||||
def module_init(self):
|
||||
if self.Flag == 0 :
|
||||
self.Flag = 1
|
||||
self.GPIO.setmode(self.GPIO.BCM)
|
||||
self.GPIO.setwarnings(False)
|
||||
self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
|
||||
self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
|
||||
elif imwidth == self.height and imheight == self.width:
|
||||
logger.debug("Horizontal")
|
||||
for x in range(imwidth):
|
||||
for y in range(imheight):
|
||||
newx = y
|
||||
newy = x
|
||||
if pixels[x, y] == 0xC0:
|
||||
pixels[x, y] = 0x80
|
||||
elif pixels[x, y] == 0x80:
|
||||
pixels[x, y] = 0x40
|
||||
i = i + 1
|
||||
if i % 4 == 0:
|
||||
buf[int((newx + (newy * self.width)) / 4)] = (
|
||||
(pixels[x, y - 3] & 0xc0) | (pixels[x, y - 2] & 0xc0) >> 2 | (
|
||||
pixels[x, y - 1] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6)
|
||||
|
||||
# SPI device, bus = 0, device = 0
|
||||
self.SPI.open(2, 0)
|
||||
self.SPI.max_speed_hz = 4000000
|
||||
self.SPI.mode = 0b00
|
||||
return 0
|
||||
else :
|
||||
return 0
|
||||
return buf
|
||||
|
||||
def module_exit(self):
|
||||
logger.debug("spi end")
|
||||
self.SPI.close()
|
||||
def display(self, image):
|
||||
if self.width % 8 == 0:
|
||||
linewidth = int(self.width / 8)
|
||||
else:
|
||||
linewidth = int(self.width / 8) + 1
|
||||
|
||||
logger.debug("close 5V, Module enters 0 power consumption ...")
|
||||
self.Flag = 0
|
||||
self.GPIO.output(self.RST_PIN, 0)
|
||||
self.GPIO.output(self.DC_PIN, 0)
|
||||
self.send_command(0x92)
|
||||
self.set_lut()
|
||||
self.send_command(0x10)
|
||||
self.send_data2([0xFF] * int(self.width * linewidth))
|
||||
|
||||
self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN])
|
||||
self.send_command(0x13)
|
||||
self.send_data2(image)
|
||||
|
||||
if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'):
|
||||
implementation = RaspberryPi()
|
||||
elif os.path.exists('/sys/bus/platform/drivers/gpio-x3'):
|
||||
implementation = SunriseX3()
|
||||
else:
|
||||
implementation = JetsonNano()
|
||||
self.send_command(0x12)
|
||||
self.ReadBusy()
|
||||
|
||||
for func in [x for x in dir(implementation) if not x.startswith('_')]:
|
||||
setattr(sys.modules[__name__], func, getattr(implementation, func))
|
||||
def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image):
|
||||
# EPD_WIDTH = 400
|
||||
# EPD_HEIGHT = 300
|
||||
|
||||
if EPD_WIDTH % 8 != 0:
|
||||
Width = int(EPD_WIDTH / 8) + 1
|
||||
else:
|
||||
Width = int(EPD_WIDTH / 8)
|
||||
Height = EPD_HEIGHT
|
||||
|
||||
if X_start % 8 != 0:
|
||||
X_start = int(X_start / 8) + 1
|
||||
else:
|
||||
X_start = int(X_start / 8)
|
||||
if X_end % 8 != 0:
|
||||
X_end = int(X_end / 8) + 1
|
||||
else:
|
||||
X_end = int(X_end / 8)
|
||||
|
||||
buf = [0x00] * (Y_end - Y_start) * (X_end - X_start)
|
||||
|
||||
self.send_command(0x91) # This command makes the display enter partial mode
|
||||
self.send_command(0x90) # resolution setting
|
||||
self.send_data(int(X_start * 8 / 256))
|
||||
self.send_data(int(X_start * 8 % 256)) # x-start
|
||||
|
||||
self.send_data(int(X_end * 8 / 256))
|
||||
self.send_data(int(X_end * 8 % 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) - 1) # y-end
|
||||
self.send_data(0x28)
|
||||
|
||||
self.send_command(0x10) # writes Old data to SRAM for programming
|
||||
for j in range(0, Y_end - Y_start):
|
||||
for i in range(0, X_end - X_start):
|
||||
buf[j * (X_end - X_start) + i] = self.DATA[(Y_start + j) * Width + X_start + i]
|
||||
self.send_data2(buf)
|
||||
|
||||
self.send_command(0x13) # writes New data to SRAM.
|
||||
for j in range(0, Y_end - Y_start):
|
||||
for i in range(0, X_end - X_start):
|
||||
buf[j * (X_end - X_start) + i] = ~Image[(Y_start + j) * Width + X_start + i]
|
||||
self.DATA[(Y_start + j) * Width + X_start + i] = ~Image[(Y_start + j) * Width + X_start / 8 + i]
|
||||
self.send_data2(buf)
|
||||
|
||||
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.set_lut()
|
||||
self.send_command(0x10)
|
||||
|
||||
if self.width % 8 == 0:
|
||||
linewidth = int(self.width / 8)
|
||||
else:
|
||||
linewidth = int(self.width / 8) + 1
|
||||
|
||||
buf = [0x00] * self.height * linewidth
|
||||
|
||||
for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # EPD_WIDTH * EPD_HEIGHT / 4
|
||||
temp3 = 0
|
||||
for j in range(0, 2):
|
||||
temp1 = image[i * 2 + j]
|
||||
for k in range(0, 2):
|
||||
temp2 = temp1 & 0xC0
|
||||
if temp2 == 0xC0:
|
||||
temp3 |= 0x01 # white
|
||||
elif temp2 == 0x00:
|
||||
temp3 |= 0x00 # black
|
||||
elif temp2 == 0x80:
|
||||
temp3 |= 0x01 # gray1
|
||||
else: # 0x40
|
||||
temp3 |= 0x00 # gray2
|
||||
temp3 <<= 1
|
||||
|
||||
temp1 <<= 2
|
||||
temp2 = temp1 & 0xC0
|
||||
if temp2 == 0xC0: # white
|
||||
temp3 |= 0x01
|
||||
elif temp2 == 0x00: # black
|
||||
temp3 |= 0x00
|
||||
elif temp2 == 0x80:
|
||||
temp3 |= 0x01 # gray1
|
||||
else: # 0x40
|
||||
temp3 |= 0x00 # gray2
|
||||
if j != 1 or k != 1:
|
||||
temp3 <<= 1
|
||||
temp1 <<= 2
|
||||
buf[i] = temp3
|
||||
self.send_data2(buf)
|
||||
|
||||
self.send_command(0x13)
|
||||
|
||||
for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # 5808*4 46464
|
||||
temp3 = 0
|
||||
for j in range(0, 2):
|
||||
temp1 = image[i * 2 + j]
|
||||
for k in range(0, 2):
|
||||
temp2 = temp1 & 0xC0
|
||||
if temp2 == 0xC0:
|
||||
temp3 |= 0x01 # white
|
||||
elif temp2 == 0x00:
|
||||
temp3 |= 0x00 # black
|
||||
elif temp2 == 0x80:
|
||||
temp3 |= 0x00 # gray1
|
||||
else: # 0x40
|
||||
temp3 |= 0x01 # gray2
|
||||
temp3 <<= 1
|
||||
|
||||
temp1 <<= 2
|
||||
temp2 = temp1 & 0xC0
|
||||
if temp2 == 0xC0: # white
|
||||
temp3 |= 0x01
|
||||
elif temp2 == 0x00: # black
|
||||
temp3 |= 0x00
|
||||
elif temp2 == 0x80:
|
||||
temp3 |= 0x00 # gray1
|
||||
else: # 0x40
|
||||
temp3 |= 0x01 # gray2
|
||||
if j != 1 or k != 1:
|
||||
temp3 <<= 1
|
||||
temp1 <<= 2
|
||||
buf[i] = temp3
|
||||
self.send_data2(buf)
|
||||
|
||||
self.Gray_SetLut()
|
||||
self.send_command(0x12)
|
||||
epdconfig.delay_ms(200)
|
||||
self.ReadBusy()
|
||||
# pass
|
||||
|
||||
def Clear(self):
|
||||
if self.width % 8 == 0:
|
||||
linewidth = int(self.width / 8)
|
||||
else:
|
||||
linewidth = int(self.width / 8) + 1
|
||||
|
||||
self.send_command(0x10)
|
||||
self.send_data2([0xff] * int(self.height * linewidth))
|
||||
|
||||
self.send_command(0x13)
|
||||
self.send_data2([0xff] * int(self.height * linewidth))
|
||||
|
||||
self.send_command(0x12)
|
||||
self.ReadBusy()
|
||||
|
||||
def sleep(self):
|
||||
self.send_command(0x02) # POWER_OFF
|
||||
self.ReadBusy()
|
||||
self.send_command(0x07) # DEEP_SLEEP
|
||||
self.send_data(0XA5)
|
||||
|
||||
epdconfig.delay_ms(2000)
|
||||
epdconfig.module_exit()
|
||||
|
||||
### END OF FILE ###
|
||||
|
|
Loading…
Reference in New Issue