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- # *****************************************************************************
- # * | File : epd1in54.py
- # * | Author : Waveshare team
- # * | Function : Electronic paper driver
- # * | Info :
- # *----------------
- # * | This version: V1.0
- # * | 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
- # Display resolution
- EPD_WIDTH = 80
- EPD_HEIGHT = 128
- 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
-
- #full screen update LUT
- lut_w1 =[
- 0x60, 0x5A, 0x5A, 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_b1 =[
- 0x90, 0x5A, 0x5A, 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,
- ]
- # partial screen update LUT
- lut_w = [
- 0x60, 0x01, 0x01, 0x00, 0x00, 0x01,
- 0x80, 0x1f, 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,
- ]
-
- lut_b = [
- 0x90, 0x01, 0x01, 0x00, 0x00, 0x01,
- 0x40, 0x1f, 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,
- ]
-
- # Hardware reset
- def reset(self):
- epdconfig.digital_write(self.reset_pin, 1)
- epdconfig.delay_ms(200)
- epdconfig.digital_write(self.reset_pin, 0) # module reset
- epdconfig.delay_ms(2)
- 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")
- self.send_command(0x71)
- busy = epdconfig.digital_read(self.busy_pin)
- busy =not(busy & 0x01)
- while(busy):
- self.send_command(0x71)
- busy = epdconfig.digital_read(self.busy_pin)
- busy =not(busy & 0x01)
- epdconfig.delay_ms(800)
- logger.debug("e-Paper busy release")
- def TurnOnDisplay(self):
- self.send_command(0x12)
- epdconfig.delay_ms(10)
- self.ReadBusy()
- def SetFulltReg(self):
- self.send_command(0x23)
- for count in range(0, 42):
- self.send_data(self.lut_w1[count])
-
- self.send_command(0x24)
- for count in range(0, 42):
- self.send_data(self.lut_b1[count])
- def SetPartReg(self):
- self.send_command(0x23)
- for count in range(0, 42):
- self.send_data(self.lut_w[count])
-
- self.send_command(0x24)
- for count in range(0, 42):
- self.send_data(self.lut_b[count])
- def Init(self):
- if (epdconfig.module_init() != 0):
- return -1
- # EPD hardware init start
- self.reset()
-
- self.send_command(0xD2)
- self.send_data(0x3F)
- self.send_command(0x00)
- self.send_data (0x6F) #from outside
- self.send_command(0x01) #power setting
- self.send_data (0x03)
- self.send_data (0x00)
- self.send_data (0x2b)
- self.send_data (0x2b)
- self.send_command(0x06) #Configuring the charge pump
- self.send_data(0x3f)
- self.send_command(0x2A) #Setting XON and the options of LUT
- self.send_data(0x00)
- self.send_data(0x00)
- self.send_command(0x30) #Set the clock frequency
- self.send_data(0x17) #50Hz
- self.send_command(0x50) #Set VCOM and data output interval
- self.send_data(0x57)
- self.send_command(0x60) #Set The non-overlapping period of Gate and Source.
- self.send_data(0x22)
- self.send_command(0x61) #resolution setting
- self.send_data (0x50) #source 128
- self.send_data (0x80)
- self.send_command(0x82) #sets VCOM_DC value
- self.send_data(0x12) #-1v
- self.send_command(0xe3)#Set POWER SAVING
- self.send_data(0x33)
- self.SetFulltReg()
- self.send_command(0x04) #power on
- self.ReadBusy()
- # EPD hardware init end
- return 0
-
- def Partial_Init(self):
- self.reset()
-
- self.send_command(0xD2)
- self.send_data(0x3F)
- self.send_command(0x00)
- self.send_data (0x6F) #from outside
- self.send_command(0x01) #power setting
- self.send_data (0x03)
- self.send_data (0x00)
- self.send_data (0x2b)
- self.send_data (0x2b)
- self.send_command(0x06) #Configuring the charge pump
- self.send_data(0x3f)
- self.send_command(0x2A) #Setting XON and the options of LUT
- self.send_data(0x00)
- self.send_data(0x00)
- self.send_command(0x30) #Set the clock frequency
- self.send_data(0x17)
- self.send_command(0x50) #Set VCOM and data output interval
- self.send_data(0xf2)
- self.send_command(0x60) #Set The non-overlapping period of Gate and Source.
- self.send_data(0x22)
- self.send_command(0x82) #Set VCOM_DC value
- self.send_data(0x12)#-1v
- self.send_command(0xe3)#Set POWER SAVING
- self.send_data(0x33)
- self.SetPartReg()
- self.send_command(0x04)#Set POWER SAVING
- self.ReadBusy()
- # EPD hardware init end
- return 0
-
- def getbuffer(self, image):
- buf = [0xFF] * (int(self.width / 8) * self.height)
- image_monocolor = image.convert('1')
- imwidth, imheight = image_monocolor.size
- pixels = image_monocolor.load()
- 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 Display(self, image):
- if (image == None):
- return
- # Width = (self.width % 8 == 0)? (self.width / 8 ): (self.width / 8 + 1)
- if(self.width % 8 == 0):
- Width = self.width / 8
- else:
- Width = self.width / 8 + 1
-
- self.send_command(0x10)
- for j in range(0, self.height):
- for i in range(0, int(Width)):
- self.send_data(0xff)
-
- self.send_command(0x13)
- for j in range(0, self.height):
- for i in range(0, int(Width)):
- self.send_data(image[i + j * int(Width)])
- self.TurnOnDisplay()
-
- def Clear(self):
- # Width = (self.width % 8 == 0)? (self.width / 8 ): (self.width / 8 + 1)
- if(self.width % 8 == 0):
- Width = self.width / 8
- else:
- Width = self.width / 8 + 1
-
- Height = self.height
-
- self.send_command(0x10)
- for j in range(0, Height):
- for i in range(0, int(Width)):
- self.send_data(0x00)
-
- self.send_command(0x13)
- for j in range(0, Height):
- for i in range(0, int(Width)):
- self.send_data(0xff)
- self.TurnOnDisplay()
- def DisplayPartial(self, old_Image, Image):
- # Set partial Windows */
- self.send_command(0x91) #This command makes the display enter partial mode
- self.send_command(0x90) #resolution setting
- self.send_data(0) #x-start
- self.send_data(79) #x-end
- self.send_data(0)
- self.send_data(127) #y-end
- self.send_data(0x00)
-
- # Width = (self.width % 8 == 0)? (self.width / 8 ): (self.width / 8 + 1)
- if(self.width % 8 == 0):
- Width = self.width / 8
- else:
- Width = self.width / 8 + 1
-
- Height = self.height
- # send data
- self.send_command(0x10)
- for j in range(0, Height):
- for i in range(0, int(Width)):
- self.send_data(old_Image[i + j * int(Width)])
- self.send_command(0x13)
- for j in range(0, Height):
- for i in range(0, int(Width)):
- self.send_data(Image[i + j * int(Width)])
- # Set partial refresh
- self.TurnOnDisplay()
- def Sleep(self):
- self.send_command(0x50)
- self.send_data(0xf7)
- self.send_command(0x02)
- self.ReadBusy()
- self.send_command(0x07)
- self.send_data(0xA5)
- epdconfig.delay_ms(200)
- epdconfig.delay_ms(2000)
- epdconfig.module_exit()
- ### END OF FILE ###
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