531 lines
18 KiB
Python
531 lines
18 KiB
Python
|
# *****************************************************************************
|
||
|
|
# * | File : epd4in2_V2.py
|
||
|
|
# * | Author : Waveshare team
|
||
|
|
# * | Function : Electronic paper driver
|
||
|
|
# * | Info :
|
||
|
|
# *----------------
|
||
|
|
# * | This version: V1.0
|
||
|
|
# * | Date : 2023-09-13
|
||
|
|
# # | 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.Seconds_1_5S = 0
|
||
|
|
self.Seconds_1S = 1
|
||
|
|
self.GRAY1 = GRAY1 # white
|
||
|
|
self.GRAY2 = GRAY2
|
||
|
|
self.GRAY3 = GRAY3 # gray
|
||
|
|
self.GRAY4 = GRAY4 # Blackest
|
||
|
|
|
||
|
|
|
||
|
|
LUT_ALL=[ 0x01, 0x0A, 0x1B, 0x0F, 0x03, 0x01, 0x01,
|
||
|
|
0x05, 0x0A, 0x01, 0x0A, 0x01, 0x01, 0x01,
|
||
|
|
0x05, 0x08, 0x03, 0x02, 0x04, 0x01, 0x01,
|
||
|
|
0x01, 0x04, 0x04, 0x02, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x0A, 0x1B, 0x0F, 0x03, 0x01, 0x01,
|
||
|
|
0x05, 0x4A, 0x01, 0x8A, 0x01, 0x01, 0x01,
|
||
|
|
0x05, 0x48, 0x03, 0x82, 0x84, 0x01, 0x01,
|
||
|
|
0x01, 0x84, 0x84, 0x82, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x0A, 0x1B, 0x8F, 0x03, 0x01, 0x01,
|
||
|
|
0x05, 0x4A, 0x01, 0x8A, 0x01, 0x01, 0x01,
|
||
|
|
0x05, 0x48, 0x83, 0x82, 0x04, 0x01, 0x01,
|
||
|
|
0x01, 0x04, 0x04, 0x02, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x8A, 0x1B, 0x8F, 0x03, 0x01, 0x01,
|
||
|
|
0x05, 0x4A, 0x01, 0x8A, 0x01, 0x01, 0x01,
|
||
|
|
0x05, 0x48, 0x83, 0x02, 0x04, 0x01, 0x01,
|
||
|
|
0x01, 0x04, 0x04, 0x02, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x8A, 0x9B, 0x8F, 0x03, 0x01, 0x01,
|
||
|
|
0x05, 0x4A, 0x01, 0x8A, 0x01, 0x01, 0x01,
|
||
|
|
0x05, 0x48, 0x03, 0x42, 0x04, 0x01, 0x01,
|
||
|
|
0x01, 0x04, 0x04, 0x42, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
|
||
|
|
0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
|
||
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
|
|
0x02, 0x00, 0x00, 0x07, 0x17, 0x41, 0xA8,
|
||
|
|
0x32, 0x30 ]
|
||
|
|
# Hardware reset
|
||
|
|
def reset(self):
|
||
|
|
epdconfig.digital_write(self.reset_pin, 1)
|
||
|
|
epdconfig.delay_ms(100)
|
||
|
|
epdconfig.digital_write(self.reset_pin, 0)
|
||
|
|
epdconfig.delay_ms(2)
|
||
|
|
epdconfig.digital_write(self.reset_pin, 1)
|
||
|
|
epdconfig.delay_ms(100)
|
||
|
|
|
||
|
|
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)
|
||
|
|
|
||
|
|
# send a lot of data
|
||
|
|
def send_data2(self, data):
|
||
|
|
epdconfig.digital_write(self.dc_pin, 1)
|
||
|
|
epdconfig.digital_write(self.cs_pin, 0)
|
||
|
|
epdconfig.spi_writebyte2(data)
|
||
|
|
epdconfig.digital_write(self.cs_pin, 1)
|
||
|
|
|
||
|
|
def ReadBusy(self):
|
||
|
|
logger.debug("e-Paper busy")
|
||
|
|
while(epdconfig.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy
|
||
|
|
epdconfig.delay_ms(20)
|
||
|
|
logger.debug("e-Paper busy release")
|
||
|
|
|
||
|
|
def TurnOnDisplay(self):
|
||
|
|
self.send_command(0x22) #Display Update Control
|
||
|
|
self.send_data(0xF7)
|
||
|
|
self.send_command(0x20) #Activate Display Update Sequence
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
def TurnOnDisplay_Fast(self):
|
||
|
|
self.send_command(0x22) #Display Update Control
|
||
|
|
self.send_data(0xC7)
|
||
|
|
self.send_command(0x20) #Activate Display Update Sequence
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
def TurnOnDisplay_Partial(self):
|
||
|
|
self.send_command(0x22) #Display Update Control
|
||
|
|
self.send_data(0xFF)
|
||
|
|
self.send_command(0x20) #Activate Display Update Sequence
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
def TurnOnDisplay_4GRAY(self):
|
||
|
|
self.send_command(0x22) #Display Update Control
|
||
|
|
self.send_data(0xCF)
|
||
|
|
self.send_command(0x20) #Activate Display Update Sequence
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
def init(self):
|
||
|
|
if epdconfig.module_init() != 0:
|
||
|
|
return -1
|
||
|
|
# EPD hardware init start
|
||
|
|
self.reset()
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
self.send_command(0x12) #SWRESET
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
self.send_command(0x21) # Display update control
|
||
|
|
self.send_data(0x40)
|
||
|
|
self.send_data(0x00)
|
||
|
|
|
||
|
|
self.send_command(0x3C) # BorderWavefrom
|
||
|
|
self.send_data(0x05)
|
||
|
|
|
||
|
|
self.send_command(0x11) # data entry mode
|
||
|
|
self.send_data(0x03) # X-mode
|
||
|
|
|
||
|
|
self.send_command(0x44)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x31)
|
||
|
|
|
||
|
|
self.send_command(0x45)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x2B)
|
||
|
|
self.send_data(0x01)
|
||
|
|
|
||
|
|
self.send_command(0x4E)
|
||
|
|
self.send_data(0x00)
|
||
|
|
|
||
|
|
self.send_command(0x4F)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
return 0
|
||
|
|
|
||
|
|
def init_fast(self, mode):
|
||
|
|
if epdconfig.module_init() != 0:
|
||
|
|
return -1
|
||
|
|
# EPD hardware init start
|
||
|
|
self.reset()
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
self.send_command(0x12) #SWRESET
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
self.send_command(0x21) # Display update control
|
||
|
|
self.send_data(0x40)
|
||
|
|
self.send_data(0x00)
|
||
|
|
|
||
|
|
self.send_command(0x3C) # BorderWavefrom
|
||
|
|
self.send_data(0x05)
|
||
|
|
|
||
|
|
if mode == self.Seconds_1_5S:
|
||
|
|
self.send_command(0x1A)
|
||
|
|
self.send_data(0x6E)
|
||
|
|
else :
|
||
|
|
self.send_command(0x1A)
|
||
|
|
self.send_data(0x5A)
|
||
|
|
|
||
|
|
self.send_command(0x22) # Load temperature value
|
||
|
|
self.send_data(0x91)
|
||
|
|
self.send_command(0x20)
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
self.send_command(0x11) # data entry mode
|
||
|
|
self.send_data(0x03) # X-mode
|
||
|
|
|
||
|
|
self.send_command(0x44)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x31)
|
||
|
|
|
||
|
|
self.send_command(0x45)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x2B)
|
||
|
|
self.send_data(0x01)
|
||
|
|
|
||
|
|
self.send_command(0x4E)
|
||
|
|
self.send_data(0x00)
|
||
|
|
|
||
|
|
self.send_command(0x4F)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
return 0
|
||
|
|
|
||
|
|
def Lut(self):
|
||
|
|
self.send_command(0x32)
|
||
|
|
for i in range(227):
|
||
|
|
self.send_data(self.LUT_ALL[i])
|
||
|
|
|
||
|
|
self.send_command(0x3F)
|
||
|
|
self.send_data(self.LUT_ALL[227])
|
||
|
|
|
||
|
|
self.send_command(0x03)
|
||
|
|
self.send_data(self.LUT_ALL[228])
|
||
|
|
|
||
|
|
self.send_command(0x04)
|
||
|
|
self.send_data(self.LUT_ALL[229])
|
||
|
|
self.send_data(self.LUT_ALL[230])
|
||
|
|
self.send_data(self.LUT_ALL[231])
|
||
|
|
|
||
|
|
self.send_command(0x2c)
|
||
|
|
self.send_data(self.LUT_ALL[232])
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
def Init_4Gray(self):
|
||
|
|
if epdconfig.module_init() != 0:
|
||
|
|
return -1
|
||
|
|
# EPD hardware init start
|
||
|
|
self.reset()
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
self.send_command(0x12) #SWRESET
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
self.send_command(0x21) # Display update control
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x00)
|
||
|
|
|
||
|
|
self.send_command(0x3C) # BorderWavefrom
|
||
|
|
self.send_data(0x03)
|
||
|
|
|
||
|
|
self.send_command(0x0C) # BTST
|
||
|
|
self.send_data(0x8B) # 8B
|
||
|
|
self.send_data(0x9C) # 9C
|
||
|
|
self.send_data(0xA4) # 96 A4
|
||
|
|
self.send_data(0x0F) # 0F
|
||
|
|
|
||
|
|
self.Lut()
|
||
|
|
|
||
|
|
self.send_command(0x11) # data entry mode
|
||
|
|
self.send_data(0x03) # X-mode
|
||
|
|
|
||
|
|
self.send_command(0x44)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x31)
|
||
|
|
|
||
|
|
self.send_command(0x45)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x2B)
|
||
|
|
self.send_data(0x01)
|
||
|
|
|
||
|
|
self.send_command(0x4E)
|
||
|
|
self.send_data(0x00)
|
||
|
|
|
||
|
|
self.send_command(0x4F)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
return 0
|
||
|
|
|
||
|
|
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 Clear(self):
|
||
|
|
if self.width % 8 == 0:
|
||
|
|
linewidth = int(self.width / 8)
|
||
|
|
else:
|
||
|
|
linewidth = int(self.width / 8) + 1
|
||
|
|
|
||
|
|
self.send_command(0x24)
|
||
|
|
self.send_data2([0xff] * int(self.height * linewidth))
|
||
|
|
|
||
|
|
self.send_command(0x26)
|
||
|
|
self.send_data2([0xff] * int(self.height * linewidth))
|
||
|
|
|
||
|
|
self.TurnOnDisplay()
|
||
|
|
|
||
|
|
def display(self, image):
|
||
|
|
self.send_command(0x24)
|
||
|
|
self.send_data2(image)
|
||
|
|
|
||
|
|
self.send_command(0x26)
|
||
|
|
self.send_data2(image)
|
||
|
|
|
||
|
|
self.TurnOnDisplay()
|
||
|
|
|
||
|
|
def display_Fast(self, image):
|
||
|
|
self.send_command(0x24)
|
||
|
|
self.send_data2(image)
|
||
|
|
|
||
|
|
self.send_command(0x26)
|
||
|
|
self.send_data2(image)
|
||
|
|
|
||
|
|
self.TurnOnDisplay_Fast()
|
||
|
|
|
||
|
|
def display_Partial(self, Image):
|
||
|
|
self.send_command(0x3C) # BorderWavefrom
|
||
|
|
self.send_data(0x80)
|
||
|
|
|
||
|
|
self.send_command(0x21) # Display update control
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x00)
|
||
|
|
|
||
|
|
self.send_command(0x3C) # BorderWavefrom
|
||
|
|
self.send_data(0x80)
|
||
|
|
|
||
|
|
self.send_command(0x44)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x31)
|
||
|
|
|
||
|
|
self.send_command(0x45)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x2B)
|
||
|
|
self.send_data(0x01)
|
||
|
|
|
||
|
|
self.send_command(0x4E)
|
||
|
|
self.send_data(0x00)
|
||
|
|
|
||
|
|
self.send_command(0x4F)
|
||
|
|
self.send_data(0x00)
|
||
|
|
self.send_data(0x00)
|
||
|
|
|
||
|
|
self.send_command(0x24) # WRITE_RAM
|
||
|
|
self.send_data2(Image)
|
||
|
|
self.TurnOnDisplay_Partial()
|
||
|
|
|
||
|
|
def display_4Gray(self, image):
|
||
|
|
if self.width % 8 == 0:
|
||
|
|
linewidth = int(self.width / 8)
|
||
|
|
else:
|
||
|
|
linewidth = int(self.width / 8) + 1
|
||
|
|
|
||
|
|
buf = [0x00] * self.height * linewidth
|
||
|
|
|
||
|
|
self.send_command(0x24)
|
||
|
|
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 |= 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
|
||
|
|
buf[i] = temp3
|
||
|
|
self.send_data2(buf)
|
||
|
|
|
||
|
|
self.send_command(0x26)
|
||
|
|
for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)):
|
||
|
|
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
|
||
|
|
buf[i] = temp3
|
||
|
|
self.send_data2(buf)
|
||
|
|
|
||
|
|
self.TurnOnDisplay_4GRAY()
|
||
|
|
# pass
|
||
|
|
|
||
|
|
def sleep(self):
|
||
|
|
self.send_command(0x10) # DEEP_SLEEP
|
||
|
|
self.send_data(0x01)
|
||
|
|
|
||
|
|
epdconfig.delay_ms(2000)
|
||
|
|
epdconfig.module_exit()
|
||
|
|
|
||
|
|
### END OF FILE ###
|