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- # *****************************************************************************
- # * | File : epd1in54_V2.py
- # * | Author : Waveshare team
- # * | Function : Electronic paper driver
- # * | Info :
- # *----------------
- # * | This version: V1
- # * | 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 = 200
- EPD_HEIGHT = 200
- 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
-
- # waveform full refresh
- WF_Full_1IN54 = [
- 0x80, 0x48, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x80, 0x48, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0xA, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x8, 0x1, 0x0, 0x8, 0x1, 0x0, 0x2,
- 0xA, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
- 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0,
- 0x22, 0x17, 0x41, 0x0, 0x32, 0x20
- ]
- # waveform partial refresh(fast)
- WF_PARTIAL_1IN54_0 = [
- 0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x40,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0xF,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x1,0x1,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
- 0x02,0x17,0x41,0xB0,0x32,0x28,
- ]
- # waveform partial refresh(quality)
- WF_PARTIAL_1IN54_1 = [
- 0x0,0x00,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0xA,0x0,0x0,0x0,0x0,0x0,0x1,
- 0x1,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x0,0x0,0x0,0x0,0x0,0x0,0x0,
- 0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
- 0x22,0x17,0x41,0x0,0x32,0x20,
- ]
-
- # 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) == 1):
- epdconfig.delay_ms(20)
- logger.debug("e-Paper busy release")
- def TurnOnDisplay(self):
- self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
- self.send_data(0xc7)
- self.send_command(0x20) # MASTER_ACTIVATION
- self.ReadBusy()
-
- def TurnOnDisplayPart(self):
- self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
- self.send_data(0xcF)
- self.send_command(0x20) # MASTER_ACTIVATION
- self.ReadBusy()
- def lut(self, lut):
- self.send_command(0x32) # WRITE_LUT_REGISTER
- for i in range(0, len(lut)):
- self.send_data(lut[i])
-
- def set_lut(self, lut):
- self.lut(lut)
-
- self.send_command(0x3f)
- self.send_data(lut[153])
-
- self.send_command(0x03)
- self.send_data(lut[154])
-
- self.send_command(0x04)
- self.send_data(lut[155])
- self.send_data(lut[156])
- self.send_data(lut[157])
-
- self.send_command(0x2c)
- self.send_data(lut[158])
-
- def SetWindows(self, Xstart, Ystart, Xend, Yend):
- self.send_command(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION
- self.send_data((Xstart>>3) & 0xFF)
- self.send_data((Xend>>3) & 0xFF)
-
- self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION
- self.send_data(Ystart & 0xFF)
- self.send_data((Ystart >> 8) & 0xFF)
- self.send_data(Yend & 0xFF)
- self.send_data((Yend >> 8) & 0xFF)
-
- def SetCursor(self, Xstart, Ystart):
- self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER
- self.send_data(Xstart & 0xFF)
- self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER
- self.send_data(Ystart & 0xFF)
- self.send_data((Ystart >> 8) & 0xFF)
- def init(self, isPartial):
- if (epdconfig.module_init() != 0):
- return -1
-
- if(isPartial):
- logger.debug("partial refresh")
- self.reset()
- self.ReadBusy()
-
- self.set_lut(self.WF_PARTIAL_1IN54_0)
-
- self.send_command(0x37)
- 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) # BorderWavefrom
- self.send_data(0x80)
-
- self.send_command(0x22)
- self.send_data(0xc0)
- self.send_command(0x20)
- self.ReadBusy()
-
- else:
- logger.debug("full refresh")
- # EPD hardware init start
- self.reset()
-
- self.ReadBusy()
- self.send_command(0x12) # SWRESET (software reset)
- self.ReadBusy()
-
- self.send_command(0x01) # DRIVER_OUTPUT_CONTROL
- self.send_data(0xC7) # (EPD_HEIGHT - 1) & 0xFF
- self.send_data(0x00) # ((EPD_HEIGHT - 1) >> 8) & 0xFF
- self.send_data(0x01) # GD = 0 SM = 0 TB = 0
-
- self.send_command(0x11) # data entry mode
- self.send_data(0x01)
-
- self.SetWindows(0, self.height-1, self.width-1, 0) # Set Windows
-
- self.send_command(0x3C) # BorderWavefrom
- self.send_data(0x01)
- self.send_command(0x18)
- self.send_data(0x80)
- self.send_command(0x22) # #Load Temperature and waveform setting.
- self.send_data(0XB1)
- self.send_command(0x20)
- self.SetCursor(0, self.height-1) # Set Cursor
-
- self.ReadBusy()
-
- self.set_lut(self.WF_Full_1IN54) # Set lut
-
- def Clear(self, color):
- self.send_command(0x24)
- for j in range(0, self.height):
- for i in range(0, int(self.width / 8)):
- self.send_data(color)
-
- self.TurnOnDisplay()
-
- 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
-
- self.send_command(0x24)
- for j in range(0, self.height):
- for i in range(0, int(self.width / 8)):
- self.send_data(image[i + j * int(self.width / 8)])
- self.TurnOnDisplay()
-
- def displayPartBaseImage(self, image):
- if (image == None):
- return
-
- self.send_command(0x24)
- for j in range(0, self.height):
- for i in range(0, int(self.width / 8)):
- self.send_data(image[i + j * int(self.width / 8)])
-
- self.send_command(0x26)
- for j in range(0, self.height):
- for i in range(0, int(self.width / 8)):
- self.send_data(image[i + j * int(self.width / 8)])
-
- self.TurnOnDisplayPart()
-
- def displayPart(self, image):
- if (image == None):
- return
-
- self.send_command(0x24)
- for j in range(0, self.height):
- for i in range(0, int(self.width / 8)):
- self.send_data(image[i + j * int(self.width / 8)])
-
- self.TurnOnDisplayPart()
-
- def sleep(self):
- self.send_command(0x10) # DEEP_SLEEP_MODE
- self.send_data(0x01)
-
- epdconfig.delay_ms(2000)
- epdconfig.module_exit()
- ### END OF FILE ###
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