# ***************************************************************************** # * | File : epd4in2.py # * | Author : Waveshare team # * | Function : Electronic paper driver # * | Info : # *---------------- # * | This version: V4.1 # * | Date : 2022-08-9 # # | Info : python demo # ----------------------------------------------------------------------------- # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documnetation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. # import logging from . import epdconfig from PIL import Image import RPi.GPIO as GPIO # Display resolution EPD_WIDTH = 400 EPD_HEIGHT = 300 GRAY1 = 0xff #white GRAY2 = 0xC0 GRAY3 = 0x80 #gray GRAY4 = 0x00 #Blackest logger = logging.getLogger(__name__) class EPD: def __init__(self): self.reset_pin = epdconfig.RST_PIN self.dc_pin = epdconfig.DC_PIN self.busy_pin = epdconfig.BUSY_PIN self.cs_pin = epdconfig.CS_PIN self.width = EPD_WIDTH self.height = EPD_HEIGHT self.GRAY1 = GRAY1 #white self.GRAY2 = GRAY2 self.GRAY3 = GRAY3 #gray self.GRAY4 = GRAY4 #Blackest self.DATA = [0x00] * 15000 lut_vcom0 = [ 0x00, 0x08, 0x08, 0x00, 0x00, 0x02, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01, 0x00, 0x08, 0x08, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] lut_ww = [ 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] lut_bw = [ 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] lut_wb = [ 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, 0x50, 0x08, 0x08, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] lut_bb = [ 0x20, 0x08, 0x08, 0x00, 0x00, 0x02, 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, 0x10, 0x08, 0x08, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] #******************************partial screen update LUT*********************************/ EPD_4IN2_Partial_lut_vcom1 =[ 0x00, 0x01, 0x20, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] EPD_4IN2_Partial_lut_ww1 =[ 0x00, 0x01, 0x20, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] EPD_4IN2_Partial_lut_bw1 =[ 0x20, 0x01, 0x20, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] EPD_4IN2_Partial_lut_wb1 =[ 0x10, 0x01, 0x20, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] EPD_4IN2_Partial_lut_bb1 =[ 0x00, 0x01,0x20, 0x01, 0x00, 0x01, 0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00, ] #******************************gray*********************************/ #0~3 gray EPD_4IN2_4Gray_lut_vcom =[ 0x00 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01, 0x60 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01, 0x00 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01, 0x00 ,0x13 ,0x0A ,0x01 ,0x00 ,0x01, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00 ] #R21 EPD_4IN2_4Gray_lut_ww =[ 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01, 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01, 0x10 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01, 0xA0 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, ] #R22H r EPD_4IN2_4Gray_lut_bw =[ 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01, 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01, 0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01, 0x99 ,0x0C ,0x01 ,0x03 ,0x04 ,0x01, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, ] #R23H w EPD_4IN2_4Gray_lut_wb =[ 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01, 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01, 0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01, 0x99 ,0x0B ,0x04 ,0x04 ,0x01 ,0x01, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, ] #R24H b EPD_4IN2_4Gray_lut_bb =[ 0x80 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01, 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01, 0x20 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01, 0x50 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00, ] # Hardware reset def reset(self): epdconfig.digital_write(self.reset_pin, 1) epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 0) epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 1) epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 0) epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 1) epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 0) epdconfig.delay_ms(10) epdconfig.digital_write(self.reset_pin, 1) epdconfig.delay_ms(10) def send_command(self, command): epdconfig.digital_write(self.dc_pin, 0) epdconfig.digital_write(self.cs_pin, 0) epdconfig.spi_writebyte([command]) epdconfig.digital_write(self.cs_pin, 1) def send_data(self, data): epdconfig.digital_write(self.dc_pin, 1) epdconfig.digital_write(self.cs_pin, 0) epdconfig.spi_writebyte([data]) epdconfig.digital_write(self.cs_pin, 1) # send a lot of data def send_data2(self, data): epdconfig.digital_write(self.dc_pin, 1) epdconfig.digital_write(self.cs_pin, 0) epdconfig.spi_writebyte2(data) epdconfig.digital_write(self.cs_pin, 1) def ReadBusy(self): self.send_command(0x71) while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy self.send_command(0x71) epdconfig.delay_ms(100) def set_lut(self): self.send_command(0x20) # vcom self.send_data2(self.lut_vcom0) self.send_command(0x21) # ww -- self.send_data2(self.lut_ww) self.send_command(0x22) # bw r self.send_data2(self.lut_bw) self.send_command(0x23) # wb w self.send_data2(self.lut_bb) self.send_command(0x24) # bb b self.send_data2(self.lut_wb) def Partial_SetLut(self): self.send_command(0x20) self.send_data2(self.EPD_4IN2_Partial_lut_vcom1) self.send_command(0x21) self.send_data2(self.EPD_4IN2_Partial_lut_ww1) self.send_command(0x22) self.send_data2(self.EPD_4IN2_Partial_lut_bw1) self.send_command(0x23) self.send_data2(self.EPD_4IN2_Partial_lut_wb1) self.send_command(0x24) self.send_data2(self.EPD_4IN2_Partial_lut_bb1) def Gray_SetLut(self): self.send_command(0x20) #vcom self.send_data2(self.EPD_4IN2_4Gray_lut_vcom) self.send_command(0x21) #red not use self.send_data2(self.EPD_4IN2_4Gray_lut_ww) self.send_command(0x22) #bw r self.send_data2(self.EPD_4IN2_4Gray_lut_bw) self.send_command(0x23) #wb w self.send_data2(self.EPD_4IN2_4Gray_lut_wb) self.send_command(0x24) #bb b self.send_data2(self.EPD_4IN2_4Gray_lut_bb) self.send_command(0x25) #vcom self.send_data2(self.EPD_4IN2_4Gray_lut_ww) def init(self): if (epdconfig.module_init() != 0): return -1 # EPD hardware init start self.reset() self.send_command(0x01) # POWER SETTING self.send_data(0x03) # VDS_EN, VDG_EN self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0] self.send_data(0x2b) # VDH self.send_data(0x2b) # VDL self.send_command(0x06) # boost soft start self.send_data(0x17) self.send_data(0x17) self.send_data(0x17) self.send_command(0x04) # POWER_ON self.ReadBusy() self.send_command(0x00) # panel setting self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f self.send_command(0x30) # PLL setting self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ self.send_command(0x61) # resolution setting self.send_data(0x01) self.send_data(0x90) # 128 self.send_data(0x01) self.send_data(0x2c) self.send_command(0x82) # vcom_DC setting self.send_data(0x12) self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING self.send_data(0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7 self.set_lut() # EPD hardware init end return 0 def init_Partial(self): if (epdconfig.module_init() != 0): return -1 # EPD hardware init start self.reset() self.send_command(0x01) # POWER SETTING self.send_data(0x03) # VDS_EN, VDG_EN self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0] self.send_data(0x2b) # VDH self.send_data(0x2b) # VDL self.send_command(0x06) # boost soft start self.send_data(0x17) self.send_data(0x17) self.send_data(0x17) self.send_command(0x04) # POWER_ON self.ReadBusy() self.send_command(0x00) # panel setting self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f self.send_command(0x30) # PLL setting self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ self.send_command(0x61) # resolution setting self.send_data(0x01) self.send_data(0x90) # 128 self.send_data(0x01) self.send_data(0x2c) self.send_command(0x82) # vcom_DC setting self.send_data(0x12) self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING self.send_data(0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7 self.Partial_SetLut(); # EPD hardware init end return 0 def Init_4Gray(self): if (epdconfig.module_init() != 0): return -1 # EPD hardware init start self.reset() self.send_command(0x01) #POWER SETTING self.send_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.send_command(0x06) #booster soft start self.send_data (0x17) #A self.send_data (0x17) #B self.send_data (0x17) #C self.send_command(0x04) self.ReadBusy() self.send_command(0x00) #panel setting self.send_data(0x3f) #KW-3f KWR-2F BWROTP 0f BWOTP 1f self.send_command(0x30) #PLL setting self.send_data (0x3c) #100hz self.send_command(0x61) #resolution setting self.send_data (0x01) #400 self.send_data (0x90) self.send_data (0x01) #300 self.send_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) 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 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) 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) return buf def display(self, image): if self.width%8 == 0: linewidth = int(self.width/8) else: linewidth = int(self.width/8) + 1 self.send_command(0x92); self.set_lut() self.send_command(0x10) self.send_data2([0xFF] * int(self.width * linewidth)) self.send_command(0x13) self.send_data2(image) self.send_command(0x12) self.ReadBusy() 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 ###