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- # *****************************************************************************
- # * | File : epd2in13d.py
- # * | Author : Waveshare team
- # * | Function : Electronic paper driver
- # * | Info :
- # *----------------
- # * | This version: V4.0
- # * | Date : 2019-06-20
- # # | 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
- from PIL import Image
- import RPi.GPIO as GPIO
- # Display resolution
- EPD_WIDTH = 104
- EPD_HEIGHT = 212
- 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
- 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,
- ]
- 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,
- ]
- 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,
- ]
- 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,
- ]
- 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,
- ]
-
- 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,
- ]
- 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,
- ]
- 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,
- ]
- 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,
- ]
- 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,
- ]
-
- # Hardware reset
- def reset(self):
- epdconfig.digital_write(self.reset_pin, 1)
- epdconfig.delay_ms(200)
- epdconfig.digital_write(self.reset_pin, 0)
- epdconfig.delay_ms(5)
- epdconfig.digital_write(self.reset_pin, 1)
- epdconfig.delay_ms(200)
- 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 ReadBusy(self):
- logger.debug("e-Paper busy")
- while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
- self.send_command(0x71)
- epdconfig.delay_ms(100)
- logger.debug("e-Paper busy release")
-
- def TurnOnDisplay(self):
- self.send_command(0x12)
- epdconfig.delay_ms(100)
- self.ReadBusy()
-
- def init(self):
- if (epdconfig.module_init() != 0):
- return -1
- # EPD hardware init start
- self.reset()
-
- self.send_command(0x01) # POWER SETTING
- self.send_data(0x03)
- self.send_data(0x00)
- self.send_data(0x2b)
- self.send_data(0x2b)
- self.send_data(0x03)
- self.send_command(0x06) # boost soft start
- self.send_data(0x17) # A
- self.send_data(0x17) # B
- self.send_data(0x17) # C
- self.send_command(0x04)
- self.ReadBusy()
- self.send_command(0x00) # panel setting
- self.send_data(0xbf) # LUT from OTP,128x296
- self.send_data(0x0d) # VCOM to 0V fast
- self.send_command(0x30) # PLL setting
- self.send_data(0x3a) # 3a 100HZ 29 150Hz 39 200HZ 31 171HZ
- self.send_command(0x61) # resolution setting
- self.send_data(self.width)
- self.send_data((self.height >> 8) & 0xff)
- self.send_data(self.height& 0xff)
- self.send_command(0x82) # vcom_DC setting
- self.send_data(0x28)
- return 0
-
- def SetFullReg(self):
- self.send_command(0x82)
- self.send_data(0x00)
- self.send_command(0X50)
- self.send_data(0x97)
-
- self.send_command(0x20) # vcom
- for count in range(0, 44):
- self.send_data(self.lut_vcomDC[count])
- self.send_command(0x21) # ww --
- for count in range(0, 42):
- self.send_data(self.lut_ww[count])
- self.send_command(0x22) # bw r
- for count in range(0, 42):
- self.send_data(self.lut_bw[count])
- self.send_command(0x23) # wb w
- for count in range(0, 42):
- self.send_data(self.lut_wb[count])
- self.send_command(0x24) # bb b
- for count in range(0, 42):
- self.send_data(self.lut_bb[count])
-
- def SetPartReg(self):
- self.send_command(0x82)
- self.send_data(0x03)
- self.send_command(0X50)
- self.send_data(0x47)
-
- self.send_command(0x20) # vcom
- for count in range(0, 44):
- self.send_data(self.lut_vcom1[count])
- self.send_command(0x21) # ww --
- for count in range(0, 42):
- self.send_data(self.lut_ww1[count])
- self.send_command(0x22) # bw r
- for count in range(0, 42):
- self.send_data(self.lut_bw1[count])
- self.send_command(0x23) # wb w
- for count in range(0, 42):
- self.send_data(self.lut_wb1[count])
- self.send_command(0x24) # bb b
- for count in range(0, 42):
- self.send_data(self.lut_bb1[count])
- 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("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] == 0:
- buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8))
- elif(imwidth == self.height and imheight == self.width):
- logger.debug("Horizontal")
- 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 display(self, image):
- if (Image == None):
- return
-
- self.send_command(0x10)
- for i in range(0, int(self.width * self.height / 8)):
- self.send_data(0x00)
- epdconfig.delay_ms(10)
-
- self.send_command(0x13)
- for i in range(0, int(self.width * self.height / 8)):
- self.send_data(image[i])
- epdconfig.delay_ms(10)
-
- self.SetFullReg()
- self.TurnOnDisplay()
-
- def DisplayPartial(self, image):
- if (Image == None):
- return
-
- 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(int(self.height / 256))
- self.send_data(self.height % 256 - 1)
- self.send_data(0x28)
-
- self.send_command(0x10)
- for i in range(0, int(self.width * self.height / 8)):
- self.send_data(image[i])
- epdconfig.delay_ms(10)
-
- self.send_command(0x13)
- for i in range(0, int(self.width * self.height / 8)):
- self.send_data(~image[i])
- epdconfig.delay_ms(10)
-
- self.SetPartReg()
- self.TurnOnDisplay()
-
- def Clear(self, color):
- self.send_command(0x10)
- for i in range(0, int(self.width * self.height / 8)):
- self.send_data(0x00)
- epdconfig.delay_ms(10)
-
- self.send_command(0x13)
- for i in range(0, int(self.width * self.height / 8)):
- self.send_data(0xFF)
- epdconfig.delay_ms(10)
-
- self.SetFullReg()
- self.TurnOnDisplay()
- def sleep(self):
- self.send_command(0X50)
- self.send_data(0xf7)
- self.send_command(0X02) # power off
- self.send_command(0X07) # deep sleep
- self.send_data(0xA5)
- epdconfig.delay_ms(2000)
- epdconfig.module_exit()
- ### END OF FILE ###
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