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- # *****************************************************************************
- # * | File : epd4in2.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 = 400
- EPD_HEIGHT = 300
- 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.DATA = [0x00] * 15000
- lut_vcom0 = [
- 0x00, 0x08, 0x08, 0x00, 0x00, 0x02,
- 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01,
- 0x00, 0x08, 0x08, 0x00, 0x00, 0x02,
- 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_ww = [
- 0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
- 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
- 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
- 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_bw = [
- 0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
- 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
- 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
- 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_wb = [
- 0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
- 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
- 0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
- 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_bb = [
- 0x20, 0x08, 0x08, 0x00, 0x00, 0x02,
- 0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
- 0x10, 0x08, 0x08, 0x00, 0x00, 0x02,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- ]
- #******************************partial screen update LUT*********************************/
- EPD_4IN2_Partial_lut_vcom1 =[
- 0x00, 0x01, 0x20, 0x01, 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,
- ]
- EPD_4IN2_Partial_lut_ww1 =[
- 0x00, 0x01, 0x20, 0x01, 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_4IN2_Partial_lut_bw1 =[
- 0x20, 0x01, 0x20, 0x01, 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,
- ]
- EPD_4IN2_Partial_lut_wb1 =[
- 0x10, 0x01, 0x20, 0x01, 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_4IN2_Partial_lut_bb1 =[
- 0x00, 0x01,0x20, 0x01, 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,
- ]
- #******************************gray*********************************/
- #0~3 gray
- EPD_4IN2_4Gray_lut_vcom =[
- 0x00 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
- 0x60 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
- 0x00 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
- 0x00 ,0x13 ,0x0A ,0x01 ,0x00 ,0x01,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00
- ]
- #R21
- EPD_4IN2_4Gray_lut_ww =[
- 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
- 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
- 0x10 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
- 0xA0 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- ]
- #R22H r
- EPD_4IN2_4Gray_lut_bw =[
- 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
- 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
- 0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
- 0x99 ,0x0C ,0x01 ,0x03 ,0x04 ,0x01,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- ]
- #R23H w
- EPD_4IN2_4Gray_lut_wb =[
- 0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
- 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
- 0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
- 0x99 ,0x0B ,0x04 ,0x04 ,0x01 ,0x01,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- 0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
- ]
- #R24H b
- EPD_4IN2_4Gray_lut_bb =[
- 0x80 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
- 0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
- 0x20 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
- 0x50 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
- 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(10)
- epdconfig.digital_write(self.reset_pin, 0)
- epdconfig.delay_ms(10)
- epdconfig.digital_write(self.reset_pin, 1)
- epdconfig.delay_ms(10)
- epdconfig.digital_write(self.reset_pin, 0)
- epdconfig.delay_ms(10)
- epdconfig.digital_write(self.reset_pin, 1)
- epdconfig.delay_ms(10)
- epdconfig.digital_write(self.reset_pin, 0)
- epdconfig.delay_ms(10)
- epdconfig.digital_write(self.reset_pin, 1)
- epdconfig.delay_ms(10)
- 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):
- self.send_command(0x71)
- while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
- self.send_command(0x71)
- epdconfig.delay_ms(100)
- def set_lut(self):
- self.send_command(0x20) # vcom
- for count in range(0, 36):
- self.send_data(self.lut_vcom0[count])
-
- self.send_command(0x21) # ww --
- for count in range(0, 36):
- self.send_data(self.lut_ww[count])
-
- self.send_command(0x22) # bw r
- for count in range(0, 36):
- self.send_data(self.lut_bw[count])
-
- self.send_command(0x23) # wb w
- for count in range(0, 36):
- self.send_data(self.lut_bb[count])
-
- self.send_command(0x24) # bb b
- for count in range(0, 36):
- self.send_data(self.lut_wb[count])
- def Partial_SetLut(self):
- self.send_command(0x20);
- for count in range(0, 44):
- self.send_data(self.EPD_4IN2_Partial_lut_vcom1[count])
- self.send_command(0x21);
- for count in range(0, 42):
- self.send_data(self.EPD_4IN2_Partial_lut_ww1[count])
-
- self.send_command(0x22);
- for count in range(0, 42):
- self.send_data(self.EPD_4IN2_Partial_lut_bw1[count])
- self.send_command(0x23);
- for count in range(0, 42):
- self.send_data(self.EPD_4IN2_Partial_lut_wb1[count])
- self.send_command(0x24);
- for count in range(0, 42):
- self.send_data(self.EPD_4IN2_Partial_lut_bb1[count])
-
- def Gray_SetLut(self):
- self.send_command(0x20) #vcom
- for count in range(0, 42):
- self.send_data(self.EPD_4IN2_4Gray_lut_vcom[count])
- self.send_command(0x21) #red not use
- for count in range(0, 42):
- self.send_data(self.EPD_4IN2_4Gray_lut_ww[count])
- self.send_command(0x22) #bw r
- for count in range(0, 42):
- self.send_data(self.EPD_4IN2_4Gray_lut_bw[count])
- self.send_command(0x23) #wb w
- for count in range(0, 42):
- self.send_data(self.EPD_4IN2_4Gray_lut_wb[count])
- self.send_command(0x24) #bb b
- for count in range(0, 42):
- self.send_data(self.EPD_4IN2_4Gray_lut_bb[count])
- self.send_command(0x25) #vcom
- for count in range(0, 42):
- self.send_data(self.EPD_4IN2_4Gray_lut_ww[count])
-
-
- 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) # VDS_EN, VDG_EN
- self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
- self.send_data(0x2b) # VDH
- self.send_data(0x2b) # VDL
-
- self.send_command(0x06) # boost soft start
- self.send_data(0x17)
- self.send_data(0x17)
- self.send_data(0x17)
-
- self.send_command(0x04) # POWER_ON
- self.ReadBusy()
-
- self.send_command(0x00) # panel setting
- self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f
-
- self.send_command(0x30) # PLL setting
- self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
- self.send_command(0x61) # resolution setting
- self.send_data(0x01)
- self.send_data(0x90) # 128
- self.send_data(0x01)
- self.send_data(0x2c)
- self.send_command(0x82) # vcom_DC setting
- self.send_data(0x12)
- self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
- self.send_data(0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
-
- self.set_lut()
- # EPD hardware init end
- return 0
-
- def init_Partial(self):
- if (epdconfig.module_init() != 0):
- return -1
- # EPD hardware init start
- self.reset()
-
- self.send_command(0x01) # POWER SETTING
- self.send_data(0x03) # VDS_EN, VDG_EN
- self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
- self.send_data(0x2b) # VDH
- self.send_data(0x2b) # VDL
-
- self.send_command(0x06) # boost soft start
- self.send_data(0x17)
- self.send_data(0x17)
- self.send_data(0x17)
-
- self.send_command(0x04) # POWER_ON
- self.ReadBusy()
-
- self.send_command(0x00) # panel setting
- self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f
-
- self.send_command(0x30) # PLL setting
- self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
- self.send_command(0x61) # resolution setting
- self.send_data(0x01)
- self.send_data(0x90) # 128
- self.send_data(0x01)
- self.send_data(0x2c)
- self.send_command(0x82) # vcom_DC setting
- self.send_data(0x12)
- self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
- self.send_data(0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
-
- self.Partial_SetLut();
- # EPD hardware init end
- return 0
-
- def Init_4Gray(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) #VGH=20V,VGL=-20V
- self.send_data (0x2b) #VDH=15V
- self.send_data (0x2b) #VDL=-15V
- self.send_data (0x13)
- self.send_command(0x06) #booster 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(0x3f) #KW-3f KWR-2F BWROTP 0f BWOTP 1f
- self.send_command(0x30) #PLL setting
- self.send_data (0x3c) #100hz
- self.send_command(0x61) #resolution setting
- self.send_data (0x01) #400
- self.send_data (0x90)
- self.send_data (0x01) #300
- self.send_data (0x2c)
- self.send_command(0x82) #vcom_DC setting
- self.send_data (0x12)
- self.send_command(0X50) #VCOM AND DATA INTERVAL SETTING
- self.send_data(0x97)
- 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 = x
- 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 display(self, image):
- self.send_command(0x92);
- self.set_lut();
- self.send_command(0x10)
- for i in range(0, int(self.width * self.height / 8)):
- self.send_data(0xFF)
-
- self.send_command(0x13)
- for i in range(0, int(self.width * self.height / 8)):
- self.send_data(image[i])
-
- self.send_command(0x12)
- self.ReadBusy()
- def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image):
- # EPD_WIDTH = 400
- # EPD_HEIGHT = 300
- if(EPD_WIDTH % 8 != 0):
- Width = int(EPD_WIDTH / 8) + 1;
- else:
- Width = int(EPD_WIDTH / 8);
- Height = EPD_HEIGHT;
-
- if(X_start % 8 != 0):
- X_start = int(X_start/8)*8+8
- if(X_end % 8 != 0):
- X_end = int(X_end/8)*8+8
-
-
- self.send_command(0x91); #This command makes the display enter partial mode
- self.send_command(0x90); #resolution setting
- self.send_data (int(X_start/256));
- self.send_data (int(X_start%256)); #x-start
-
- self.send_data (int(X_end /256));
- self.send_data (int(X_end %256)-1); #x-end
- self.send_data (int(Y_start/256));
- self.send_data (int(Y_start%256)); #y-start
-
- self.send_data (int(Y_end/256));
- self.send_data (int(Y_end%256)-1); #y-end
- self.send_data (0x28);
- self.send_command(0x10); #writes Old data to SRAM for programming
- for j in range(0, int(Y_end - Y_start)):
- for i in range(0, int(X_end/8) - int(X_start/8)):
- self.send_data(self.DATA[(Y_start + j)*Width + int(X_start/8) + i]);
-
- self.send_command(0x13); #writes New data to SRAM.
- for j in range(0, int(Y_end - Y_start)):
- for i in range(0, int(X_end/8) - int(X_start/8)):
- self.send_data(~Image[(Y_start + j)*Width + int(X_start/8) + i]);
- self.DATA[(Y_start + j)*Width + int(X_start/8) + i] = ~Image[(Y_start + j)*Width + int(X_start/8) + i]
-
- self.send_command(0x12); #DISPLAY REFRESH
- epdconfig.delay_ms(200) #The delay here is necessary, 200uS at least!!!
- self.ReadBusy()
- def display_4Gray(self, image):
- self.send_command(0x92);
- self.set_lut();
- self.send_command(0x10)
- for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # EPD_WIDTH * EPD_HEIGHT / 4
- 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 |= 0x01#white
- elif(temp2 == 0x00):
- temp3 |= 0x00 #black
- elif(temp2 == 0x80):
- temp3 |= 0x01 #gray1
- else: #0x40
- temp3 |= 0x00 #gray2
- temp3 <<= 1
-
- temp1 <<= 2
- temp2 = temp1&0xC0
- if(temp2 == 0xC0): #white
- temp3 |= 0x01
- elif(temp2 == 0x00): #black
- temp3 |= 0x00
- elif(temp2 == 0x80):
- temp3 |= 0x01 #gray1
- else : #0x40
- temp3 |= 0x00 #gray2
- if(j!=1 or k!=1):
- temp3 <<= 1
- temp1 <<= 2
- self.send_data(temp3)
-
- self.send_command(0x13)
-
- for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): #5808*4 46464
- 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 |= 0x01#white
- elif(temp2 == 0x00):
- temp3 |= 0x00 #black
- elif(temp2 == 0x80):
- temp3 |= 0x00 #gray1
- else: #0x40
- temp3 |= 0x01 #gray2
- temp3 <<= 1
-
- temp1 <<= 2
- temp2 = temp1&0xC0
- if(temp2 == 0xC0): #white
- temp3 |= 0x01
- elif(temp2 == 0x00): #black
- temp3 |= 0x00
- elif(temp2 == 0x80):
- temp3 |= 0x00 #gray1
- else: #0x40
- temp3 |= 0x01 #gray2
- if(j!=1 or k!=1):
- temp3 <<= 1
- temp1 <<= 2
- self.send_data(temp3)
-
- self.Gray_SetLut()
- self.send_command(0x12)
- epdconfig.delay_ms(200)
- self.ReadBusy()
- # pass
-
- def Clear(self):
- self.send_command(0x10)
- for i in range(0, int(self.width * self.height / 8)):
- self.send_data(0xFF)
-
- self.send_command(0x13)
- for i in range(0, int(self.width * self.height / 8)):
- self.send_data(0xFF)
-
- self.send_command(0x12)
- self.ReadBusy()
- def sleep(self):
- self.send_command(0x02) # POWER_OFF
- self.ReadBusy()
- self.send_command(0x07) # DEEP_SLEEP
- self.send_data(0XA5)
-
- epdconfig.delay_ms(2000)
- epdconfig.module_exit()
-
- ### END OF FILE ###
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