""" * | File : epd13in3b.py * | Author : Waveshare team * | Function : Electronic paper driver * | Info : *---------------- * | This version: V1.0 * | Date : 2024-04-08 # | 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 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(0xFF) self.send_command(0x20) # Activate Display Update Sequence self.ReadBusy() 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(0x01) 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.ReadBusy() # EPD hardware init end 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 Clear(self): self.send_command(0x24) self.send_data2([0xFF] * (int(self.width / 8) * self.height)) self.send_command(0x26) self.send_data2([0x00] * (int(self.width / 8) * self.height)) self.TurnOnDisplay() def Clear_Base(self): self.send_command(0x24) self.send_data2([0xFF] * (int(self.width / 8) * self.height)) self.send_command(0x26) self.send_data2([0x00] * (int(self.width / 8) * self.height)) self.TurnOnDisplay() self.send_command(0x26) self.send_data2([0xFF] * (int(self.width / 8) * self.height)) def display(self, blackimage, ryimage): if (self.width % 8 == 0): Width = self.width // 8 else: Width = self.width // 8 + 1 Height = self.height if (blackimage != None): self.send_command(0x24) self.send_data2(blackimage) if (ryimage != None): for j in range(Height): for i in range(Width): ryimage[i + j * Width] = ~ryimage[i + j * Width] self.send_command(0x26) self.send_data2(ryimage) self.TurnOnDisplay() def display_Base(self, blackimage, ryimage): if (self.width % 8 == 0): Width = self.width // 8 else: Width = self.width // 8 + 1 Height = self.height if (blackimage != None): self.send_command(0x24) self.send_data2(blackimage) if (ryimage != None): for j in range(Height): for i in range(Width): ryimage[i + j * Width] = ~ryimage[i + j * Width] self.send_command(0x26) self.send_data2(ryimage) self.TurnOnDisplay() self.send_command(0x26) self.send_data2(blackimage) 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(0x3C) self.send_data(0x80) 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() self.send_command(0x26) 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]) def sleep(self): self.send_command(0x10) # DEEP_SLEEP self.send_data(0x03) epdconfig.delay_ms(2000) epdconfig.module_exit()