""" * | 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 documentation 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 inkycal.display.drivers 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()