# ***************************************************************************** # * | File : Pico_ePaper-2.66.py # * | Author : Waveshare team # * | Function : Electronic paper driver # * | Info : # *---------------- # * | This version: V1.0 # * | Date : 2021-05-12 # # | 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. # from machine import Pin, SPI import framebuf import utime # Display resolution EPD_WIDTH = 152 EPD_HEIGHT = 296 RST_PIN = 12 DC_PIN = 8 CS_PIN = 9 BUSY_PIN = 13 WF_PARTIAL_2IN66 =[ 0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x40,0x40,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x0A,0x00,0x00,0x00,0x00,0x00,0x02,0x01,0x00,0x00, 0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00, 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, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x22,0x22,0x22,0x22,0x22,0x22, 0x00,0x00,0x00,0x22,0x17,0x41,0xB0,0x32,0x36, ] class EPD_2in66: def __init__(self): self.reset_pin = Pin(RST_PIN, Pin.OUT) self.busy_pin = Pin(BUSY_PIN, Pin.IN, Pin.PULL_UP) self.cs_pin = Pin(CS_PIN, Pin.OUT) self.width = EPD_WIDTH self.height = EPD_HEIGHT self.lut = WF_PARTIAL_2IN66 self.spi = SPI(1) self.spi.init(baudrate=4000_000) self.dc_pin = Pin(DC_PIN, Pin.OUT) self.buffer_Landscape = bytearray(self.height * self.width // 8) self.buffer_Portrait = bytearray(self.height * self.width // 8) self.image_Landscape = framebuf.FrameBuffer(self.buffer_Landscape, self.height, self.width, framebuf.MONO_VLSB) self.image_Portrait = framebuf.FrameBuffer(self.buffer_Portrait, self.width, self.height, framebuf.MONO_HLSB) self.init(0) # Hardware reset def reset(self): self.reset_pin(1) utime.sleep_ms(200) self.reset_pin(0) utime.sleep_ms(200) self.reset_pin(1) utime.sleep_ms(200) def send_command(self, command): self.cs_pin(1) self.dc_pin(0) self.cs_pin(0) self.spi.write(bytearray([command])) self.cs_pin(1) def send_data(self, data): self.cs_pin(1) self.dc_pin(1) self.cs_pin(0) self.spi.write(bytearray([data])) self.cs_pin(1) def send_data1(self, buf): self.cs_pin(1) self.dc_pin(1) self.cs_pin(0) self.spi.write(bytearray(buf)) self.cs_pin(1) def ReadBusy(self): print('e-Paper busy') utime.sleep_ms(100) while(self.busy_pin.value() == 1): # 0: idle, 1: busy utime.sleep_ms(100) print('e-Paper busy release') utime.sleep_ms(100) def TurnOnDisplay(self): self.send_command(0x20) self.ReadBusy() def SendLut(self): self.send_command(0x32) for i in range(0, 153): self.send_data(self.lut[i]) self.ReadBusy() def SetWindow(self, x_start, y_start, x_end, y_end): self.send_command(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION # x point must be the multiple of 8 or the last 3 bits will be ignored self.send_data((x_start>>3) & 0xFF) self.send_data((x_end>>3) & 0xFF) self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION self.send_data(y_start & 0xFF) self.send_data((y_start >> 8) & 0xFF) self.send_data(y_end & 0xFF) self.send_data((y_end >> 8) & 0xFF) def SetCursor(self, x, y): self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER self.send_data(x & 0xFF) self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER self.send_data(y & 0xFF) self.send_data((y >> 8) & 0xFF) def init(self, mode): self.reset() self.send_command(0x12) #SWRESET self.ReadBusy() self.send_command(0x11) self.send_data(0x03) self.SetWindow(8, 0, self.width, self.height) if(mode == 0): self.send_command(0x3c) self.send_data(0x01) elif(mode == 1): self.SendLut() self.send_command(0x37) # set display option, these setting turn on previous function 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(0xcf) self.send_command(0x20) self.ReadBusy() else: print("There is no such mode") def display(self, image): if (image == None): return self.SetCursor(1, 295) self.send_command(0x24) # WRITE_RAM self.send_data1(image) self.TurnOnDisplay() def display_Landscape(self, image): if(self.width % 8 == 0): Width = self.width // 8 else: Width = self.width // 8 +1 Height = self.height self.SetCursor(1, 295) self.send_command(0x24) for j in range(Height): for i in range(Width): self.send_data(image[(Width-i-1) * Height + j]) self.TurnOnDisplay() def Clear(self, color): self.send_command(0x24) # WRITE_RAM self.send_data1([color] * self.height * int(self.width / 8)) self.TurnOnDisplay() def sleep(self): self.send_command(0x10) # DEEP_SLEEP_MODE self.send_data(0x01) if __name__=='__main__': epd = EPD_2in66() # epd.Clear(0xff) # # epd.image_Portrait.fill(0xff) # epd.image_Portrait.text("Waveshare", 13, 10, 0x00) # epd.image_Portrait.text("Pico_ePaper-2.66", 13, 40, 0x00) # epd.image_Portrait.text("Raspberry Pico", 13, 70, 0x00) # epd.display(epd.buffer_Portrait) # utime.sleep_ms(2000) # # epd.image_Portrait.vline(10, 90, 60, 0x00) # epd.image_Portrait.vline(140, 90, 60, 0x00) # epd.image_Portrait.hline(10, 90, 130, 0x00) # epd.image_Portrait.hline(10, 150, 130, 0x00) # epd.image_Portrait.line(10, 90, 140, 150, 0x00) # epd.image_Portrait.line(140, 90, 10, 150, 0x00) # epd.display(epd.buffer_Portrait) # utime.sleep_ms(2000) # # epd.image_Portrait.rect(10, 180, 60, 80, 0x00) # epd.image_Portrait.fill_rect(80, 180, 60, 80, 0x00) # epd.display(epd.buffer_Portrait) # utime.sleep_ms(2000) # # epd.init(1) # for i in range(0, 10): # epd.image_Portrait.fill_rect(52, 270, 40, 20, 0xff) # epd.image_Portrait.text(str(i), 72, 270, 0x00) # epd.display(epd.buffer_Portrait) # # epd.Clear(0xff) epd.image_Landscape.fill(0xff) epd.image_Landscape.text("Waveshare", 13, 10, 0x00) epd.image_Landscape.text("Pico_ePaper-2.66", 13, 40, 0x00) epd.image_Landscape.text("Raspberry Pico", 13, 70, 0x00) epd.display_Landscape(epd.buffer_Landscape) utime.sleep_ms(2000) epd.init(0) epd.Clear(0xff) utime.sleep_ms(2000) print("sleep") epd.sleep()