# ***************************************************************************** # * | File : epd13in3k.py # * | Author : Waveshare team # * | Function : Electronic paper driver # * | Info : # *---------------- # * | This version: V1.0 # * | Date : 2023-09-08 # # | 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 = 960 EPD_HEIGHT = 680 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_Partial=[ 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2A, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x0A, 0x00, 0x05, 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, 0x01, 0x22, 0x22, 0x22, 0x22, 0x22, 0x17, 0x41, 0xA8, 0x32, 0x18, 0x00, 0x00,] self.LUT_DATA_4Gray =[ 0x80, 0x48, 0x4A, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x48, 0x68, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x48, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA8, 0x48, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x23, 0x17, 0x02, 0x00, 0x05, 0x01, 0x05, 0x01, 0x02, 0x08, 0x02, 0x01, 0x04, 0x04, 0x00, 0x02, 0x00, 0x02, 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, 0x01, 0x22, 0x22, 0x22, 0x22, 0x22, 0x17, 0x41, 0xA8, 0x32, 0x30, 0x00, 0x00,] if (epdconfig.module_init() != 0): return -1 # Hardware reset def reset(self): epdconfig.digital_write(self.reset_pin, 1) epdconfig.delay_ms(20) epdconfig.digital_write(self.reset_pin, 0) epdconfig.delay_ms(2) epdconfig.digital_write(self.reset_pin, 1) epdconfig.delay_ms(20) 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) def send_data2(self, data): epdconfig.digital_write(self.dc_pin, 1) epdconfig.digital_write(self.cs_pin, 0) epdconfig.SPI.writebytes2(data) epdconfig.digital_write(self.cs_pin, 1) def ReadBusy(self): logger.debug("e-Paper busy") busy = epdconfig.digital_read(self.busy_pin) while(busy == 1): busy = epdconfig.digital_read(self.busy_pin) epdconfig.delay_ms(20) epdconfig.delay_ms(20) logger.debug("e-Paper busy release") def TurnOnDisplay(self): self.send_command(0x22) #Display Update Control self.send_data(0xF7) self.send_command(0x20) #Activate Display Update Sequence self.ReadBusy() def TurnOnDisplay_Part(self): self.send_command(0x22) #Display Update Control self.send_data(0xCF) self.send_command(0x20) #Activate Display Update Sequence self.ReadBusy() def TurnOnDisplay_4GRAY(self): self.send_command(0x22) #Display Update Control self.send_data(0xC7) self.send_command(0x20) #Activate Display Update Sequence self.ReadBusy() def Lut(self, LUT): self.send_command(0x32) for i in range(105): self.send_data(LUT[i]) self.send_command(0x03) self.send_data(LUT[105]) self.send_command(0x04) self.send_data(LUT[106]) self.send_data(LUT[107]) self.send_data(LUT[108]) self.send_command(0x2C) self.send_data(LUT[109]) def init(self): # EPD hardware init start self.reset() self.ReadBusy() self.send_command(0x12) #SWRESET self.ReadBusy() self.send_command(0x0C) self.send_data(0xAE) self.send_data(0xC7) self.send_data(0xC3) self.send_data(0xC0) self.send_data(0x80) self.send_command(0x01) self.send_data(0xA7) self.send_data(0x02) self.send_data(0x00) self.send_command(0x11) self.send_data(0x03) self.send_command(0x44) self.send_data(0x00) self.send_data(0x00) self.send_data(0xBF) self.send_data(0x03) self.send_command(0x45) self.send_data(0x00) self.send_data(0x00) self.send_data(0xA7) self.send_data(0x02) self.send_command(0x3C) self.send_data(0x05) self.send_command(0x18) self.send_data(0x80) self.send_command(0x4E) self.send_data(0x00) self.send_data(0x00) self.send_command(0x4F) self.send_data(0x00) self.send_data(0x00) # EPD hardware init end return 0 def init_Part(self): self.reset() self.send_command(0x3C) self.send_data(0x80) self.Lut(self.Lut_Partial) self.send_command(0x37) self.send_data(0x00) self.send_data(0x00) self.send_data(0x00) self.send_data(0x00) self.send_data(0x00) self.send_data(0x40) self.send_data(0x00) self.send_data(0x00) self.send_data(0x00) self.send_data(0x00) self.send_command(0x3C) self.send_data(0x80) self.send_command(0x22) self.send_data(0xC0) self.send_command(0x20) self.ReadBusy() def init_4GRAY(self): self.reset() self.ReadBusy() self.send_command(0x12) self.ReadBusy() self.send_command(0x0C) self.send_data(0xAE) self.send_data(0xC7) self.send_data(0xC3) self.send_data(0xC0) self.send_data(0x80) self.send_command(0x01) self.send_data(0xA7) self.send_data(0x02) self.send_data(0x00) self.send_command(0x11) self.send_data(0x03) self.send_command(0x44) self.send_data(0x00) self.send_data(0x00) self.send_data(0xBF) self.send_data(0x03) self.send_command(0x45) self.send_data(0x00) self.send_data(0x00) self.send_data(0xA7) self.send_data(0x02) self.send_command(0x3C) self.send_data(0x00) self.send_command(0x18) self.send_data(0x80) 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.Lut(self.LUT_DATA_4Gray) self.ReadBusy() 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 Clear(self): buf = [0xFF] * (int(self.width/8) * self.height) self.send_command(0x24) self.send_data2(buf) self.TurnOnDisplay() def display(self, image): self.send_command(0x24) self.send_data2(image) self.TurnOnDisplay() def display_Base(self, image): self.send_command(0x24) self.send_data2(image) self.send_command(0x26) self.send_data2(image) self.TurnOnDisplay() def display_Base_color(self, color): if(self.width % 8 == 0): Width = self.width // 8 else: Width = self.width // 8 +1 Height = self.height self.send_command(0x24) #Write Black and White image to RAM for j in range(Height): for i in range(Width): self.send_data(color) self.send_command(0x26) #Write Black and White image to RAM for j in range(Height): for i in range(Width): self.send_data(color) # self.TurnOnDisplay() def display_Partial(self, Image, Xstart, Ystart, Xend, Yend): if((Xstart % 8 + Xend % 8 == 8 & Xstart % 8 > Xend % 8) | Xstart % 8 + Xend % 8 == 0 | (Xend - Xstart)%8 == 0): Xstart = Xstart // 8 Xend = Xend // 8 else: Xstart = Xstart // 8 if Xend % 8 == 0: Xend = Xend // 8 else: Xend = Xend // 8 + 1 if(self.width % 8 == 0): Width = self.width // 8 else: Width = self.width // 8 +1 Height = self.height Xend -= 1 Yend -= 1 self.send_command(0x44) self.send_data((Xstart*8) & 0xff) self.send_data((Xstart>>5) & 0x01) self.send_data((Xend*8) & 0xff) self.send_data((Xend>>5) & 0x01) self.send_command(0x45) self.send_data(Ystart & 0xff) self.send_data((Ystart>>8) & 0x01) self.send_data(Yend & 0xff) self.send_data((Yend>>8) & 0x01) self.send_command(0x4E) self.send_data((Xstart*8) & 0xff) self.send_data((Xstart>>5) & 0x01) self.send_command(0x4F) self.send_data(Ystart & 0xff) self.send_data((Ystart>>8) & 0x01) self.send_command(0x24) for j in range(Height): for i in range(Width): if((j > Ystart-1) & (j < (Yend + 1)) & (i > Xstart-1) & (i < (Xend + 1))): self.send_data(Image[i + j * Width]) self.TurnOnDisplay_Part() def display_4Gray(self, image): self.send_command(0x24) for i in range(0, 81600): 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 |= 0x00 elif(temp2 == 0x00): temp3 |= 0x01 elif(temp2 == 0x80): temp3 |= 0x01 else: #0x40 temp3 |= 0x00 temp3 <<= 1 temp1 <<= 2 temp2 = temp1&0xC0 if(temp2 == 0xC0): temp3 |= 0x00 elif(temp2 == 0x00): temp3 |= 0x01 elif(temp2 == 0x80): temp3 |= 0x01 else : #0x40 temp3 |= 0x00 if(j!=1 or k!=1): temp3 <<= 1 temp1 <<= 2 self.send_data(temp3) self.send_command(0x26) for i in range(0, 81600): 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 |= 0x00 elif(temp2 == 0x00): temp3 |= 0x01 elif(temp2 == 0x80): temp3 |= 0x00 else: #0x40 temp3 |= 0x01 temp3 <<= 1 temp1 <<= 2 temp2 = temp1&0xC0 if(temp2 == 0xC0): temp3 |= 0x00 elif(temp2 == 0x00): temp3 |= 0x01 elif(temp2 == 0x80): temp3 |= 0x00 else: #0x40 temp3 |= 0x01 if(j!=1 or k!=1): temp3 <<= 1 temp1 <<= 2 self.send_data(temp3) self.TurnOnDisplay_4GRAY() def sleep(self): self.send_command(0x10) # DEEP_SLEEP self.send_data(0x03) epdconfig.delay_ms(2000) epdconfig.module_exit() ### END OF FILE ###