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.gitignore vendored Normal file
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*.log
__pycache__
HEAD
config
description
hooks/
info/

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epd4in0e.py Normal file
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# *****************************************************************************
# * | File : epd7in3f.py
# * | Author : Waveshare team
# * | Function : Electronic paper driver
# * | Info :
# *----------------
# * | This version: V1.0
# * | Date : 2022-10-20
# # | 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
import epdconfig
import PIL
from PIL import Image
import io
# Display resolution
EPD_WIDTH = 400
EPD_HEIGHT = 600
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.BLACK = 0x000000 # 0000 BGR
self.WHITE = 0xffffff # 0001
self.YELLOW = 0x00ffff # 0010
self.RED = 0x0000ff # 0011
self.BLUE = 0xff0000 # 0101
self.GREEN = 0x00ff00 # 0110
# Hardware reset
def reset(self):
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(20)
epdconfig.digital_write(self.reset_pin, 0) # module reset
epdconfig.delay_ms(2)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(20)
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 ReadBusyH(self):
logger.debug("e-Paper busy H")
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: busy, 1: idle
epdconfig.delay_ms(5)
epdconfig.delay_ms(200)
logger.debug("e-Paper busy H release")
def TurnOnDisplay(self):
self.send_command(0x04) # POWER_ON
self.ReadBusyH()
self.send_command(0x06)
self.send_data(0x6F)
self.send_data(0x1F)
self.send_data(0x17)
self.send_data(0x27)
epdconfig.delay_ms(200)
self.send_command(0x12) # DISPLAY_REFRESH
self.send_data(0X00)
self.ReadBusyH()
self.send_command(0x02) # POWER_OFF
self.send_data(0X00)
self.ReadBusyH()
def init(self):
if (epdconfig.module_init() != 0):
return -1
# EPD hardware init start
self.reset()
self.ReadBusyH()
epdconfig.delay_ms(30)
self.send_command(0xAA)
self.send_data(0x49)
self.send_data(0x55)
self.send_data(0x20)
self.send_data(0x08)
self.send_data(0x09)
self.send_data(0x18)
self.send_command(0x01)
self.send_data(0x3F)
self.send_command(0x00)
self.send_data(0x5F)
self.send_data(0x69)
self.send_command(0x05)
self.send_data(0x40)
self.send_data(0x1F)
self.send_data(0x1F)
self.send_data(0x2C)
self.send_command(0x08)
self.send_data(0x6F)
self.send_data(0x1F)
self.send_data(0x1F)
self.send_data(0x22)
self.send_command(0x06)
self.send_data(0x6F)
self.send_data(0x1F)
self.send_data(0x17)
self.send_data(0x17)
self.send_command(0x03)
self.send_data(0x00)
self.send_data(0x54)
self.send_data(0x00)
self.send_data(0x44)
self.send_command(0x60)
self.send_data(0x02)
self.send_data(0x00)
self.send_command(0x30)
self.send_data(0x08)
self.send_command(0x50)
self.send_data(0x3F)
self.send_command(0x61)
self.send_data(0x01)
self.send_data(0x90)
self.send_data(0x02)
self.send_data(0x58)
self.send_command(0xE3)
self.send_data(0x2F)
self.send_command(0x84)
self.send_data(0x01)
self.ReadBusyH()
return 0
def getbuffer(self, image):
# Create a pallette with the 7 colors supported by the panel
pal_image = Image.new("P", (1,1))
pal_image.putpalette( (0,0,0, 255,255,255, 255,255,0, 255,0,0, 0,0,0, 0,0,255, 0,255,0) + (0,0,0)*249)
# Check if we need to rotate the image
imwidth, imheight = image.size
if(imwidth == self.width and imheight == self.height):
image_temp = image
elif(imwidth == self.height and imheight == self.width):
image_temp = image.rotate(90, expand=True)
else:
logger.warning("Invalid image dimensions: %d x %d, expected %d x %d" % (imwidth, imheight, self.width, self.height))
# Convert the soruce image to the 7 colors, dithering if needed
image_6color = image_temp.convert("RGB").quantize(palette=pal_image)
buf_6color = bytearray(image_6color.tobytes('raw'))
# PIL does not support 4 bit color, so pack the 4 bits of color
# into a single byte to transfer to the panel
buf = [0x00] * int(self.width * self.height / 2)
idx = 0
for i in range(0, len(buf_6color), 2):
buf[idx] = (buf_6color[i] << 4) + buf_6color[i+1]
idx += 1
return buf
def display(self, image):
self.send_command(0x10)
self.send_data2(image)
self.TurnOnDisplay()
def Clear(self, color=0x11):
self.send_command(0x10)
self.send_data2([color] * int(self.height) * int(self.width/2))
self.TurnOnDisplay()
def sleep(self):
self.send_command(0x07) # DEEP_SLEEP
self.send_data(0XA5)
epdconfig.delay_ms(2000)
epdconfig.module_exit()
### END OF FILE ###

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epd_4in0e_test.py Normal file
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#!/usr/bin/python
# -*- coding:utf-8 -*-
import sys
import os
picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
if os.path.exists(libdir):
sys.path.append(libdir)
import logging
import epd4in0e
import time
from PIL import Image,ImageDraw,ImageFont
import traceback
logging.basicConfig(level=logging.DEBUG)
try:
logging.info("epd7in3f Demo")
epd = epd4in0e.EPD()
logging.info("init and Clear")
epd.init()
epd.Clear()
font24 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24)
font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
font40 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 40)
# Drawing on the image
logging.info("1.Drawing on the image...")
Himage = Image.new('RGB', (epd.width, epd.height), epd.WHITE) # 255: clear the frame
draw = ImageDraw.Draw(Himage)
draw.text((5, 0), 'hello world', font = font18, fill = epd.RED)
draw.text((5, 20), '4inch e-Paper (e)', font = font24, fill = epd.YELLOW)
draw.text((5, 45), u'微雪电子', font = font40, fill = epd.GREEN)
draw.text((5, 85), u'微雪电子', font = font40, fill = epd.BLUE)
draw.text((5, 125), u'微雪电子', font = font40, fill = epd.BLACK)
draw.line((5, 170, 80, 245), fill = epd.BLUE)
draw.line((80, 170, 5, 245), fill = epd.YELLOW)
draw.rectangle((5, 170, 80, 245), outline = epd.BLACK)
draw.rectangle((90, 170, 165, 245), fill = epd.GREEN)
draw.arc((5, 250, 80, 325), 0, 360, fill = epd.RED)
draw.chord((90, 250, 165, 325), 0, 360, fill = epd.YELLOW)
epd.display(epd.getbuffer(Himage))
time.sleep(3)
# read bmp file
logging.info("2.read bmp file")
Himage = Image.open(os.path.join(picdir, '01.bmp'))
epd.display(epd.getbuffer(Himage))
time.sleep(3)
logging.info("Clear...")
epd.Clear()
logging.info("Goto Sleep...")
epd.sleep()
except IOError as e:
logging.info(e)
except KeyboardInterrupt:
logging.info("ctrl + c:")
epd4in0e.epdconfig.module_exit(cleanup=True)
exit()

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# /*****************************************************************************
# * | File : epdconfig.py
# * | Author : Waveshare team
# * | Function : Hardware underlying interface
# * | Info :
# *----------------
# * | This version: V1.2
# * | Date : 2022-10-29
# * | Info :
# ******************************************************************************
# 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 os
import logging
import sys
import time
import subprocess
from ctypes import *
logger = logging.getLogger(__name__)
class RaspberryPi:
# Pin definition
RST_PIN = 17
DC_PIN = 25
CS_PIN = 8
BUSY_PIN = 24
PWR_PIN = 18
MOSI_PIN = 10
SCLK_PIN = 11
def __init__(self):
import spidev
import gpiozero
self.SPI = spidev.SpiDev()
self.GPIO_RST_PIN = gpiozero.LED(self.RST_PIN)
self.GPIO_DC_PIN = gpiozero.LED(self.DC_PIN)
# self.GPIO_CS_PIN = gpiozero.LED(self.CS_PIN)
self.GPIO_PWR_PIN = gpiozero.LED(self.PWR_PIN)
self.GPIO_BUSY_PIN = gpiozero.Button(self.BUSY_PIN, pull_up = False)
def digital_write(self, pin, value):
if pin == self.RST_PIN:
if value:
self.GPIO_RST_PIN.on()
else:
self.GPIO_RST_PIN.off()
elif pin == self.DC_PIN:
if value:
self.GPIO_DC_PIN.on()
else:
self.GPIO_DC_PIN.off()
# elif pin == self.CS_PIN:
# if value:
# self.GPIO_CS_PIN.on()
# else:
# self.GPIO_CS_PIN.off()
elif pin == self.PWR_PIN:
if value:
self.GPIO_PWR_PIN.on()
else:
self.GPIO_PWR_PIN.off()
def digital_read(self, pin):
if pin == self.BUSY_PIN:
return self.GPIO_BUSY_PIN.value
elif pin == self.RST_PIN:
return self.RST_PIN.value
elif pin == self.DC_PIN:
return self.DC_PIN.value
# elif pin == self.CS_PIN:
# return self.CS_PIN.value
elif pin == self.PWR_PIN:
return self.PWR_PIN.value
def delay_ms(self, delaytime):
time.sleep(delaytime / 1000.0)
def spi_writebyte(self, data):
self.SPI.writebytes(data)
def spi_writebyte2(self, data):
self.SPI.writebytes2(data)
def DEV_SPI_write(self, data):
self.DEV_SPI.DEV_SPI_SendData(data)
def DEV_SPI_nwrite(self, data):
self.DEV_SPI.DEV_SPI_SendnData(data)
def DEV_SPI_read(self):
return self.DEV_SPI.DEV_SPI_ReadData()
def module_init(self, cleanup=False):
self.GPIO_PWR_PIN.on()
if cleanup:
find_dirs = [
os.path.dirname(os.path.realpath(__file__)),
'/usr/local/lib',
'/usr/lib',
]
self.DEV_SPI = None
for find_dir in find_dirs:
val = int(os.popen('getconf LONG_BIT').read())
logging.debug("System is %d bit"%val)
if val == 64:
so_filename = os.path.join(find_dir, 'DEV_Config_64.so')
else:
so_filename = os.path.join(find_dir, 'DEV_Config_32.so')
if os.path.exists(so_filename):
self.DEV_SPI = CDLL(so_filename)
break
if self.DEV_SPI is None:
RuntimeError('Cannot find DEV_Config.so')
self.DEV_SPI.DEV_Module_Init()
else:
# SPI device, bus = 0, device = 0
self.SPI.open(0, 0)
self.SPI.max_speed_hz = 4000000
self.SPI.mode = 0b00
return 0
def module_exit(self, cleanup=False):
logger.debug("spi end")
self.SPI.close()
self.GPIO_RST_PIN.off()
self.GPIO_DC_PIN.off()
self.GPIO_PWR_PIN.off()
logger.debug("close 5V, Module enters 0 power consumption ...")
if cleanup:
self.GPIO_RST_PIN.close()
self.GPIO_DC_PIN.close()
# self.GPIO_CS_PIN.close()
self.GPIO_PWR_PIN.close()
self.GPIO_BUSY_PIN.close()
class JetsonNano:
# Pin definition
RST_PIN = 17
DC_PIN = 25
CS_PIN = 8
BUSY_PIN = 24
PWR_PIN = 18
def __init__(self):
import ctypes
find_dirs = [
os.path.dirname(os.path.realpath(__file__)),
'/usr/local/lib',
'/usr/lib',
]
self.SPI = None
for find_dir in find_dirs:
so_filename = os.path.join(find_dir, 'sysfs_software_spi.so')
if os.path.exists(so_filename):
self.SPI = ctypes.cdll.LoadLibrary(so_filename)
break
if self.SPI is None:
raise RuntimeError('Cannot find sysfs_software_spi.so')
import Jetson.GPIO
self.GPIO = Jetson.GPIO
def digital_write(self, pin, value):
self.GPIO.output(pin, value)
def digital_read(self, pin):
return self.GPIO.input(self.BUSY_PIN)
def delay_ms(self, delaytime):
time.sleep(delaytime / 1000.0)
def spi_writebyte(self, data):
self.SPI.SYSFS_software_spi_transfer(data[0])
def spi_writebyte2(self, data):
for i in range(len(data)):
self.SPI.SYSFS_software_spi_transfer(data[i])
def module_init(self):
self.GPIO.setmode(self.GPIO.BCM)
self.GPIO.setwarnings(False)
self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
self.GPIO.setup(self.PWR_PIN, self.GPIO.OUT)
self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
self.GPIO.output(self.PWR_PIN, 1)
self.SPI.SYSFS_software_spi_begin()
return 0
def module_exit(self):
logger.debug("spi end")
self.SPI.SYSFS_software_spi_end()
logger.debug("close 5V, Module enters 0 power consumption ...")
self.GPIO.output(self.RST_PIN, 0)
self.GPIO.output(self.DC_PIN, 0)
self.GPIO.output(self.PWR_PIN, 0)
self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN, self.PWR_PIN])
class SunriseX3:
# Pin definition
RST_PIN = 17
DC_PIN = 25
CS_PIN = 8
BUSY_PIN = 24
PWR_PIN = 18
Flag = 0
def __init__(self):
import spidev
import Hobot.GPIO
self.GPIO = Hobot.GPIO
self.SPI = spidev.SpiDev()
def digital_write(self, pin, value):
self.GPIO.output(pin, value)
def digital_read(self, pin):
return self.GPIO.input(pin)
def delay_ms(self, delaytime):
time.sleep(delaytime / 1000.0)
def spi_writebyte(self, data):
self.SPI.writebytes(data)
def spi_writebyte2(self, data):
# for i in range(len(data)):
# self.SPI.writebytes([data[i]])
self.SPI.xfer3(data)
def module_init(self):
if self.Flag == 0:
self.Flag = 1
self.GPIO.setmode(self.GPIO.BCM)
self.GPIO.setwarnings(False)
self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
self.GPIO.setup(self.PWR_PIN, self.GPIO.OUT)
self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
self.GPIO.output(self.PWR_PIN, 1)
# SPI device, bus = 0, device = 0
self.SPI.open(2, 0)
self.SPI.max_speed_hz = 4000000
self.SPI.mode = 0b00
return 0
else:
return 0
def module_exit(self):
logger.debug("spi end")
self.SPI.close()
logger.debug("close 5V, Module enters 0 power consumption ...")
self.Flag = 0
self.GPIO.output(self.RST_PIN, 0)
self.GPIO.output(self.DC_PIN, 0)
self.GPIO.output(self.PWR_PIN, 0)
self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN], self.PWR_PIN)
if sys.version_info[0] == 2:
process = subprocess.Popen("cat /proc/cpuinfo | grep Raspberry", shell=True, stdout=subprocess.PIPE)
else:
process = subprocess.Popen("cat /proc/cpuinfo | grep Raspberry", shell=True, stdout=subprocess.PIPE, text=True)
output, _ = process.communicate()
if sys.version_info[0] == 2:
output = output.decode(sys.stdout.encoding)
if "Raspberry" in output:
implementation = RaspberryPi()
elif os.path.exists('/sys/bus/platform/drivers/gpio-x3'):
implementation = SunriseX3()
else:
implementation = JetsonNano()
for func in [x for x in dir(implementation) if not x.startswith('_')]:
setattr(sys.modules[__name__], func, getattr(implementation, func))
### END OF FILE ###

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{
"version":1,
"formatters":{
"std_out":{
"format": "%(asctime)s : %(levelname)s : %(module)s : %(funcName)s : %(lineno)d : (Process Details : (%(process)d, %(processName)s), Thread Details : (%(thread)d, %(threadName)s): %(message)s",
"datefmt":"%d-%m-%Y %I:%M:%S"
}
},
"handlers":{
"console":{
"formatter": "std_out",
"class": "logging.StreamHandler",
"level": "DEBUG"
},
"file":{
"formatter":"std_out",
"class":"logging.FileHandler",
"level":"DEBUG",
"filename" : "spi_demo.log"
}
},
"root":{
"handlers":["console","file"],
"level": "DEBUG"
}
}

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import os
import time
import logging
from logging import config
import json
import epd4in0e
from PIL import Image,ImageDraw,ImageFont
# Auflösung des ePaper
EPD_WIDTH = 400
EPD_HEIGHT = 600
#Verzeichnis für Grafikdaten
picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
# Logging Konfiguration laden.
with open('logging_config.json') as file_config:
config.dictConfig(json.load(file_config))
logger = logging.getLogger(__name__)
def main():
logger.info('initalisiere Display')
epd = epd4in0e.EPD()
epd.init()
epd.Clear()
# font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
Himage = Image.new('RGB', (epd.width, epd.height), epd.WHITE) # 255: clear the frame
draw = ImageDraw.Draw(Himage)
# draw.text((5, 0), 'hello world', font = font18, fill = epd.RED)
logger.info('zeichne blaue Linie')
draw.line((0,0, 80, 245), fill = epd.BLUE)
epd.display(epd.getbuffer(Himage))
logger.info('zeichne gefülltes Rechteck')
draw.rectangle((90, 170, 165, 245), fill = epd.RED)
epd.display(epd.getbuffer(Himage))
time.sleep(5)
logger.info('cleanup')
epd4in0e.epdconfig.module_exit(cleanup=True)
exit()
if __name__ == '__main__':
main()