# ***************************************************************************** # * | File : Pico_ePaper-2.13-D.py # * | Author : Waveshare team # * | Function : Electronic paper driver # * | Info : # *---------------- # * | This version: V1.0 # * | Date : 2021-05-14 # # | 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 EPD_2IN13D_lut_vcomDC =[ 0x00, 0x08, 0x00, 0x00, 0x00, 0x02, 0x60, 0x28, 0x28, 0x00, 0x00, 0x01, 0x00, 0x14, 0x00, 0x00, 0x00, 0x01, 0x00, 0x12, 0x12, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] EPD_2IN13D_lut_ww =[ 0x40, 0x08, 0x00, 0x00, 0x00, 0x02, 0x90, 0x28, 0x28, 0x00, 0x00, 0x01, 0x40, 0x14, 0x00, 0x00, 0x00, 0x01, 0xA0, 0x12, 0x12, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] EPD_2IN13D_lut_bw =[ 0x40, 0x17, 0x00, 0x00, 0x00, 0x02, 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x03, 0x40, 0x0A, 0x01, 0x00, 0x00, 0x01, 0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] EPD_2IN13D_lut_wb =[ 0x80, 0x08, 0x00, 0x00, 0x00, 0x02, 0x90, 0x28, 0x28, 0x00, 0x00, 0x01, 0x80, 0x14, 0x00, 0x00, 0x00, 0x01, 0x50, 0x12, 0x12, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] EPD_2IN13D_lut_bb =[ 0x80, 0x08, 0x00, 0x00, 0x00, 0x02, 0x90, 0x28, 0x28, 0x00, 0x00, 0x01, 0x80, 0x14, 0x00, 0x00, 0x00, 0x01, 0x50, 0x12, 0x12, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ] ''' # partial screen update LUT ''' EPD_2IN13D_lut_vcom1 =[ 0x00, 0x19, 0x01, 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, ] EPD_2IN13D_lut_ww1 =[ 0x00, 0x19, 0x01, 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, ] EPD_2IN13D_lut_bw1 =[ 0x80, 0x19, 0x01, 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, ] EPD_2IN13D_lut_wb1 =[ 0x40, 0x19, 0x01, 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, ] EPD_2IN13D_lut_bb1 =[ 0x00, 0x19, 0x01, 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, ] EPD_WIDTH = 104 EPD_HEIGHT = 212 RST_PIN = 12 DC_PIN = 8 CS_PIN = 9 BUSY_PIN = 13 FULL_UPDATE = 0 PART_UPDATE = 1 class EPD_2in13_D(framebuf.FrameBuffer): 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_vcomDC = EPD_2IN13D_lut_vcomDC self.lut_ww = EPD_2IN13D_lut_ww self.lut_bw = EPD_2IN13D_lut_bw self.lut_wb = EPD_2IN13D_lut_wb self.lut_bb = EPD_2IN13D_lut_bb self.lut_vcom1 = EPD_2IN13D_lut_vcom1 self.lut_ww1 = EPD_2IN13D_lut_ww1 self.lut_bw1 = EPD_2IN13D_lut_bw1 self.lut_wb1 = EPD_2IN13D_lut_wb1 self.lut_bb1 = EPD_2IN13D_lut_bb1 self.spi = SPI(1) self.spi.init(baudrate=4000_000) self.dc_pin = Pin(DC_PIN, Pin.OUT) self.buffer = bytearray(self.height * self.width // 8) super().__init__(self.buffer, self.width, self.height, framebuf.MONO_HLSB) self.init() def digital_write(self, pin, value): pin.value(value) def digital_read(self, pin): return pin.value() def delay_ms(self, delaytime): utime.sleep_ms(delaytime) def spi_writebyte(self, data): self.spi.write(bytearray(data)) def module_exit(self): self.digital_write(self.reset_pin, 0) # Hardware reset def reset(self): self.digital_write(self.reset_pin, 1) self.delay_ms(200) self.digital_write(self.reset_pin, 0) self.delay_ms(2) self.digital_write(self.reset_pin, 1) self.delay_ms(200) def send_command(self, command): self.digital_write(self.dc_pin, 0) self.digital_write(self.cs_pin, 0) self.spi_writebyte([command]) self.digital_write(self.cs_pin, 1) def send_data(self, data): self.digital_write(self.dc_pin, 1) self.digital_write(self.cs_pin, 0) self.spi_writebyte([data]) self.digital_write(self.cs_pin, 1) def send_data1(self, buf): self.digital_write(self.dc_pin, 1) self.digital_write(self.cs_pin, 0) self.spi.write(bytearray(buf)) self.digital_write(self.cs_pin, 1) def ReadBusy(self): print('e-Paper busy') busy = 1 self.send_command(0x71) while(self.digital_read(self.busy_pin) == 0): self.send_command(0x71) self.delay_ms(200) print('e-Paper busy release') def SetFullReg(self): self.send_command(0x50) self.send_data(0xB7) self.send_command(0x20) self.send_data1(self.lut_vcomDC[0:44]) self.send_command(0x21) self.send_data1(self.lut_ww[0:42]) self.send_command(0x22) self.send_data1(self.lut_bw[0:42]) self.send_command(0x23) self.send_data1(self.lut_bb[0:42]) self.send_command(0x24) self.send_data1(self.lut_wb[0:42]) def SetPartReg(self): self.send_command(0x82) self.send_data(0x00) self.send_command(0x50) self.send_data(0xB7) self.send_command(0x20) self.send_data1(self.lut_vcom1[0:44]) self.send_command(0x21) self.send_data1(self.lut_ww1[0:42]) self.send_command(0x22) self.send_data1(self.lut_bw1[0:42]) self.send_command(0x23) self.send_data1(self.lut_wb1[0:42]) self.send_command(0x24) self.send_data1(self.lut_bb1[0:42]) def TurnOnDisplay(self): self.send_command(0x12) self.delay_ms(100) self.ReadBusy() def init(self): print('init') self.reset() self.send_command(0x01) self.send_data(0x03) self.send_data(0x00) self.send_data(0x2B) self.send_data(0x2B) self.send_data(0x03) self.send_command(0x06) self.send_data(0x17) self.send_data(0x17) self.send_data(0x17) self.send_command(0x04) self.ReadBusy() self.send_command(0x00) self.send_data(0xBF) self.send_data(0x0E) self.send_command(0x30) self.send_data(0x3A) self.send_command(0x61) self.send_data(self.width) self.send_data((self.height&0x100)>>8) self.send_data(self.height&0xff) self.send_command(0x82) self.send_data(0x28) def display(self, image): high = self.height if( self.width % 8 == 0) : wide = self.width // 8 else : wide = self.width // 8 + 1 self.send_command(0x10) self.send_data1([0x00] * high * wide) self.send_command(0x13) self.send_data1(image) self.SetFullReg() self.TurnOnDisplay() def displayPartial(self, image): self.SetPartReg() self.send_command(0x91) self.send_command(0x90) self.send_data(0) self.send_data(self.width - 1) self.send_data(0) self.send_data(0) self.send_data(self.height//256) self.send_data(self.height%256 - 1) self.send_data(0X28) high = self.height if( self.width % 8 == 0) : wide = self.width // 8 else : wide = self.width // 8 + 1 self.send_command(0x10) for j in range(0, high): for i in range(0, wide): self.send_data(~image[i + j * wide]) self.send_command(0x13) for j in range(0, high): for i in range(0, wide): self.send_data(image[i + j * wide]) self.TurnOnDisplay() def Clear(self, color): high = self.height if( self.width % 8 == 0) : wide = self.width // 8 else : wide = self.width // 8 + 1 self.send_command(0x10) self.send_data1([color] * high * wide) self.send_command(0x13) self.send_data1([~color] * high * wide) self.SetFullReg() self.TurnOnDisplay() def sleep(self): self.send_command(0x50) self.send_data(0xF7) self.send_command(0x02) self.send_command(0x07) self.send_data(0xA5) if __name__=='__main__': epd = EPD_2in13_D() epd.Clear(0x00) epd.fill(0xff) epd.text("Waveshare", 0, 10, 0x00) epd.text("ePaper-2.13", 0, 30, 0x00) epd.text("RPi Pico", 0, 50, 0x00) epd.text("Hello World", 0, 70, 0x00) epd.display(epd.buffer) epd.delay_ms(2000) epd.vline(10, 90, 60, 0x00) epd.vline(90, 90, 60, 0x00) epd.hline(10, 90, 80, 0x00) epd.hline(10, 150, 80, 0x00) epd.line(10, 90, 90, 150, 0x00) epd.line(90, 90, 10, 150, 0x00) epd.display(epd.buffer) epd.delay_ms(2000) for i in range(0, 10): epd.fill_rect(40, 180, 40, 10, 0xff) epd.text(str(i), 50, 180, 0x00) epd.displayPartial(epd.buffer) epd.Clear(0x00) epd.delay_ms(2000) epd.sleep()