# ***************************************************************************** # * | File : epd5in79.py # * | Author : Waveshare team # * | Function : Electronic paper driver # * | Info : # *---------------- # * | This version: V1.0 # * | Date : 2024-03-05 # # | 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 # Display resolution EPD_WIDTH = 792 EPD_HEIGHT = 272 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.LUT_DATA_4Gray = [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x4A, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x82, 0x42, 0x00, 0x00, 0x10, 0x00, 0x01, 0x8A, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x41, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x82, 0x42, 0x00, 0x00, 0x10, 0x00, 0x01, 0x81, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x81, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x82, 0x42, 0x00, 0x00, 0x10, 0x00, 0x01, 0x41, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x8A, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x82, 0x42, 0x00, 0x00, 0x10, 0x00, 0x01, 0x4A, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x22, 0x17, 0x41, 0xA8, 0x32, 0x40, ] # Hardware reset def reset(self): epdconfig.digital_write(self.reset_pin, 1) epdconfig.delay_ms(200) epdconfig.digital_write(self.reset_pin, 0) epdconfig.delay_ms(1) epdconfig.digital_write(self.reset_pin, 1) epdconfig.delay_ms(200) 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): logger.debug("e-Paper busy") while(epdconfig.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy epdconfig.delay_ms(200) logger.debug("e-Paper busy release") def TurnOnDisplay(self): self.send_command(0x22) self.send_data(0xF7) self.send_command(0x20) # DISPLAY REFRESH epdconfig.delay_ms(100) # The delay here is necessary, 200uS at least!!! self.ReadBusy() # waiting for the electronic paper IC to release the idle signal def TurnOnDisplay_Fast(self): self.send_command(0x22) self.send_data(0xC7) self.send_command(0x20) # DISPLAY REFRESH epdconfig.delay_ms(100) # The delay here is necessary, 200uS at least!!! self.ReadBusy() # waiting for the electronic paper IC to release the idle signal def TurnOnDisplay_Partial(self): self.send_command(0x22) self.send_data(0xFF) self.send_command(0x20) # DISPLAY REFRESH epdconfig.delay_ms(100) # The delay here is necessary, 200uS at least!!! self.ReadBusy() # waiting for the electronic paper IC to release the idle signal def TurnOnDisplay_4GRAY(self): self.send_command(0x22) self.send_data(0xCF) self.send_command(0x20) # DISPLAY REFRESH epdconfig.delay_ms(100) # The delay here is necessary, 200uS at least!!! self.ReadBusy() # waiting for the electronic paper IC to release the idle signal def EPD_5in79_Lut(self): self.send_command(0x32) self.send_data2(self.LUT_DATA_4Gray[:227]) self.send_command(0x3f) self.send_data(self.LUT_DATA_4Gray[227]) self.send_command(0x03) self.send_data(self.LUT_DATA_4Gray[228]) self.send_command(0x04) self.send_data(self.LUT_DATA_4Gray[229]) self.send_data(self.LUT_DATA_4Gray[230]) self.send_data(self.LUT_DATA_4Gray[231]) self.send_command(0x2C) self.send_data(self.LUT_DATA_4Gray[232]) def init(self): if (epdconfig.module_init() != 0): return -1 self.reset() self.ReadBusy() # waiting for the electronic paper IC to release the idle signal self.send_command(0x12) # POWER ON self.ReadBusy() # waiting for the electronic paper IC to release the idle signal self.send_command(0x11) self.send_data(0x01) self.send_command(0x44) # Set Ram X- address Start / End position self.send_data(0x00) # XStart, POR = 00h self.send_data(0x31) # 400/8-1 self.send_command(0x45) # Set Ram Y- address Start / End position self.send_data(0x0f) self.send_data(0x01) # 300-1 self.send_data(0x00) # YEnd L self.send_data(0x00) # YEnd H self.send_command(0x4e) self.send_data(0x00) self.send_command(0x4f) self.send_data(0x0f) self.send_data(0x01) self.ReadBusy() self.send_command(0x91) self.send_data(0x00) self.send_command(0xC4) # Set Ram X- address Start / End position self.send_data(0x31) # XStart, POR = 00h self.send_data(0x00) # 400/8-1 self.send_command(0xC5) # Set Ram Y- address Start / End position self.send_data(0x0f) self.send_data(0x01) # 300-1 self.send_data(0x00) # YEnd L self.send_data(0x00) # YEnd H self.send_command(0xCE) self.send_data(0x31) self.send_command(0xCF) self.send_data(0x0f) self.send_data(0x01) self.ReadBusy() return 0 def init_Fast(self): if (epdconfig.module_init() != 0): return -1 self.reset() self.ReadBusy() self.send_command(0x12) self.ReadBusy() self.send_command(0x18) self.send_data(0x80) self.send_command(0x22) self.send_data(0xB1) self.send_command(0x20) self.ReadBusy() self.send_command(0x1A) self.send_data(0x64) self.send_data(0x00) self.send_command(0x22) self.send_data(0x91) self.send_command(0x20) self.ReadBusy() self.send_command(0x11) self.send_data(0x01) self.send_command(0x44) self.send_data(0x00) self.send_data(0x31) self.send_command(0x45) self.send_data(0x0f) self.send_data(0x01) self.send_data(0x00) self.send_data(0x00) self.send_command(0x4e) self.send_data(0x00) self.send_command(0x4f) self.send_data(0x0f) self.send_data(0x01) self.ReadBusy() self.send_command(0x91) self.send_data(0x00) self.send_command(0xC4) self.send_data(0x31) self.send_data(0x00) self.send_command(0xC5) self.send_data(0x0f) self.send_data(0x01) self.send_data(0x00) self.send_data(0x00) self.send_command(0xCe) self.send_data(0x31) self.send_command(0xCf) self.send_data(0x0f) self.send_data(0x01) self.ReadBusy() return 0 def init_Partial(self): if (epdconfig.module_init() != 0): return -1 self.reset() self.ReadBusy() self.send_command(0x12) self.ReadBusy() self.send_command(0x3C) self.send_data(0x80) return 0 def init_4Gray(self): if (epdconfig.module_init() != 0): return -1 self.reset() self.ReadBusy() self.send_command(0x12) self.ReadBusy() self.send_command(0x0C) self.send_data(0x8B) self.send_data(0x9C) self.send_data(0xA6) self.send_data(0x0F) self.send_command(0x3C) self.send_data(0x81) self.ReadBusy() self.send_command(0x11) self.send_data(0x01) self.send_command(0x44) self.send_data(0x00) self.send_data(0x31) self.send_command(0x45) self.send_data(0x0f) self.send_data(0x01) self.send_data(0x00) self.send_data(0x00) self.send_command(0x4e) self.send_data(0x00) self.send_command(0x4f) self.send_data(0x0f) self.send_data(0x01) self.ReadBusy() self.send_command(0x91) self.send_data(0x00) self.send_command(0xC4) self.send_data(0x31) self.send_data(0x00) self.send_command(0xC5) self.send_data(0x0f) self.send_data(0x01) self.send_data(0x00) self.send_data(0x00) self.send_command(0xCe) self.send_data(0x31) self.send_command(0xCf) self.send_data(0x0f) self.send_data(0x01) self.EPD_5in79_Lut() return 0 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 = self.height - x - 1 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, imageblack): Width =int(self.width / 16)+1 Width1 =int(self.width / 8) self.send_command(0x24) for i in range(self.height): self.send_data2(imageblack[i * Width1 : i * Width1+Width]) self.send_command(0X26) self.send_data2([0x00] * 13600) self.send_command(0xA4) for i in range(self.height): self.send_data2(imageblack[i * Width1 + Width - 1 : i * Width1 + Width * 2 - 1]) self.send_command(0xA6) self.send_data2([0x00] * 13600) self.TurnOnDisplay() def display_Base(self, imageblack): Width =int(self.width / 16)+1 Width1 =int(self.width / 8) self.send_command(0x24) for i in range(self.height): self.send_data2(imageblack[i * Width1 : i * Width1+Width]) self.send_command(0X26) self.send_data2([0x00] * 13600) self.send_command(0xA4) for i in range(self.height): self.send_data2(imageblack[i * Width1 + Width - 1 : i * Width1 + Width * 2 - 1]) self.send_command(0xA6) self.send_data2([0x00] * 13600) self.TurnOnDisplay() self.send_command(0x26) for i in range(self.height): self.send_data2(imageblack[i * Width1 : i * Width1+Width]) self.send_command(0xA6) for i in range(self.height): self.send_data2(imageblack[i * Width1 + Width - 1 : i * Width1 + Width * 2 - 1]) def display_Base_color(self, color): Width =int(self.width / 16)+1 Width1 =int(self.width / 8) self.send_command(0x24) self.send_data2([color] * 13600) self.send_command(0X26) self.send_data2([0x00] * 13600) self.send_command(0xA4) self.send_data2([color] * 13600) self.send_command(0xA6) self.send_data2([0x00] * 13600) self.TurnOnDisplay() self.send_command(0x26) self.send_data2([color] * 13600) self.send_command(0xA6) self.send_data2([color] * 13600) def display_Fast(self, imageblack): Width =int(self.width / 16)+1 Width1 =int(self.width / 8) self.send_command(0x24) for i in range(self.height): self.send_data2(imageblack[i * Width1 : i * Width1+Width]) self.send_command(0X26) self.send_data2([0x00] * 13600) self.send_command(0xA4) for i in range(self.height): self.send_data2(imageblack[i * Width1 + Width - 1 : i * Width1 + Width * 2 - 1]) self.send_command(0xA6) self.send_data2([0x00] * 13600) self.TurnOnDisplay_Fast() def display_Partial(self, Image): Width =int(self.width / 16)+1 Width1 =int(self.width / 8) Height = self.height self.send_command(0x44) self.send_data(0x00) self.send_data(0x31) self.send_command(0x45) self.send_data(0x0f) self.send_data(0x01) # 300-1 self.send_data(0x00) # YEnd L self.send_data(0x00) # YEnd H self.send_command(0x4e) self.send_data(0x00) self.send_command(0x4f) self.send_data(0x0f) self.send_data(0x01) self.send_command(0x24) for i in range(Height): self.send_data2(Image[i * Width1 : i * Width1+Width]) self.send_command(0xC4) # Set Ram X- address Start / End position self.send_data(0x31) # XStart, POR = 00h self.send_data(0x00) # 400/8-1 self.send_command(0xC5) # Set Ram Y- address Start / End position self.send_data(0x0f) self.send_data(0x01) # 300-1 self.send_data(0x00) # YEnd L self.send_data(0x00) # YEnd H self.send_command(0xCe) self.send_data(0x31) self.send_command(0xCf) self.send_data(0x0f) self.send_data(0x01) self.send_command(0xA4) for i in range(Height): self.send_data2(Image[i * Width1 + Width - 1 : i * Width1 + Width * 2 - 1]) self.TurnOnDisplay_Partial() def display_4Gray(self, image): Width =int(self.width / 16)+1 Width1 =int(self.width / 8) self.send_command(0x24) for j in range(self.height): for i in range(Width): temp3=0 for o in range(0, 2): temp1 = image[(j * Width1 + i)*2+o] for k in range(0, 4): temp2 = temp1&0xC0 if(temp2 == 0xC0): temp3 |= 0x01 elif(temp2 == 0x00): temp3 |= 0x00 elif(temp2 == 0x80): temp3 |= 0x00 else: #0x40 temp3 |= 0x01 if(o!=1 or k!=3): temp3 <<= 1 temp1 <<= 2 self.send_data(temp3) self.send_command(0x26) for j in range(self.height): for i in range(Width): temp3=0 for o in range(0, 2): temp1 = image[(j * Width1 + i)*2+o] for k in range(0, 4): temp2 = temp1&0xC0 if(temp2 == 0xC0): temp3 |= 0x01 elif(temp2 == 0x00): temp3 |= 0x00 elif(temp2 == 0x80): temp3 |= 0x01 else: #0x40 temp3 |= 0x00 if(o!=1 or k!=3): temp3 <<= 1 temp1 <<= 2 self.send_data(temp3) self.send_command(0xA4) for j in range(self.height): for i in range(Width): temp3=0 for o in range(0, 2): temp1 = image[(j * Width1 + i + Width - 1)*2+o] for k in range(0, 4): temp2 = temp1&0xC0 if(temp2 == 0xC0): temp3 |= 0x01 elif(temp2 == 0x00): temp3 |= 0x00 elif(temp2 == 0x80): temp3 |= 0x00 else: #0x40 temp3 |= 0x01 if(o!=1 or k!=3): temp3 <<= 1 temp1 <<= 2 self.send_data(temp3) self.send_command(0xA6) for j in range(self.height): for i in range(Width): temp3=0 for o in range(0, 2): temp1 = image[(j * Width1 + i + Width - 1)*2+o] for k in range(0, 4): temp2 = temp1&0xC0 if(temp2 == 0xC0): temp3 |= 0x01 elif(temp2 == 0x00): temp3 |= 0x00 elif(temp2 == 0x80): temp3 |= 0x01 else: #0x40 temp3 |= 0x00 if(o!=1 or k!=3): temp3 <<= 1 temp1 <<= 2 self.send_data(temp3) self.TurnOnDisplay_4GRAY() def Clear(self): self.send_command(0x24) self.send_data2([0xFF] * 13600) self.send_command(0X26) self.send_data2([0x00] * 13600) self.send_command(0xA4) self.send_data2([0xFF] * 13600) self.send_command(0xA6) self.send_data2([0x00] * 13600) self.TurnOnDisplay() def sleep(self): self.send_command(0X10) # deep sleep self.send_data(0x03) epdconfig.delay_ms(2000) epdconfig.module_exit() ### END OF FILE ###