Update epdconfig.py

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@ -1,13 +1,13 @@
# *****************************************************************************
# * | File : epd4in2.py
# /*****************************************************************************
# * | File : epdconfig.py
# * | Author : Waveshare team
# * | Function : Electronic paper driver
# * | Function : Hardware underlying interface
# * | Info :
# *----------------
# * | This version: V4.2
# * | This version: V1.2
# * | Date : 2022-10-29
# # | Info : python demo
# -----------------------------------------------------------------------------
# * | 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
@ -27,652 +27,200 @@
# THE SOFTWARE.
#
import os
import logging
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
import sys
import time
logger = logging.getLogger(__name__)
class EPD:
class RaspberryPi:
# Pin definition
RST_PIN = 17
DC_PIN = 25
CS_PIN = 8
BUSY_PIN = 24
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
import spidev
import RPi.GPIO
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,
]
self.GPIO = RPi.GPIO
self.SPI = spidev.SpiDev()
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,
]
def digital_write(self, pin, value):
self.GPIO.output(pin, value)
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,
]
def digital_read(self, pin):
return self.GPIO.input(pin)
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,
]
def delay_ms(self, delaytime):
time.sleep(delaytime / 1000.0)
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,
]
def spi_writebyte(self, data):
self.SPI.writebytes(data)
# ******************************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,
]
def spi_writebyte2(self, data):
self.SPI.writebytes2(data)
# 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 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.BUSY_PIN, self.GPIO.IN)
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):
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
self.send_data2(self.lut_vcom0)
self.send_command(0x21) # ww --
self.send_data2(self.lut_ww)
self.send_command(0x22) # bw r
self.send_data2(self.lut_bw)
self.send_command(0x23) # wb w
self.send_data2(self.lut_bb)
self.send_command(0x24) # bb b
self.send_data2(self.lut_wb)
def Partial_SetLut(self):
self.send_command(0x20)
self.send_data2(self.EPD_4IN2_Partial_lut_vcom1)
self.send_command(0x21)
self.send_data2(self.EPD_4IN2_Partial_lut_ww1)
self.send_command(0x22)
self.send_data2(self.EPD_4IN2_Partial_lut_bw1)
self.send_command(0x23)
self.send_data2(self.EPD_4IN2_Partial_lut_wb1)
self.send_command(0x24)
self.send_data2(self.EPD_4IN2_Partial_lut_bb1)
def Gray_SetLut(self):
self.send_command(0x20) # vcom
self.send_data2(self.EPD_4IN2_4Gray_lut_vcom)
self.send_command(0x21) # red not use
self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
self.send_command(0x22) # bw r
self.send_data2(self.EPD_4IN2_4Gray_lut_bw)
self.send_command(0x23) # wb w
self.send_data2(self.EPD_4IN2_4Gray_lut_wb)
self.send_command(0x24) # bb b
self.send_data2(self.EPD_4IN2_4Gray_lut_bb)
self.send_command(0x25) # vcom
self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
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
# SPI device, bus = 0, device = 0
self.SPI.open(0, 0)
self.SPI.max_speed_hz = 4000000
self.SPI.mode = 0b00
return 0
def init_Partial(self):
if epdconfig.module_init() != 0:
return -1
# EPD hardware init start
self.reset()
def module_exit(self):
logger.debug("spi end")
self.SPI.close()
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
logger.debug("close 5V, Module enters 0 power consumption ...")
self.GPIO.output(self.RST_PIN, 0)
self.GPIO.output(self.DC_PIN, 0)
self.send_command(0x06) # boost soft start
self.send_data(0x17)
self.send_data(0x17)
self.send_data(0x17)
self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN])
self.send_command(0x04) # POWER_ON
self.ReadBusy()
self.send_command(0x00) # panel setting
self.send_data(0xbf) # KW-BF KWR-AF BWROTP 0f
class JetsonNano:
# Pin definition
RST_PIN = 17
DC_PIN = 25
CS_PIN = 8
BUSY_PIN = 24
self.send_command(0x30) # PLL setting
self.send_data(0x3c) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
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')
self.send_command(0x61) # resolution setting
self.send_data(0x01)
self.send_data(0x90) # 128
self.send_data(0x01)
self.send_data(0x2c)
import Jetson.GPIO
self.GPIO = Jetson.GPIO
self.send_command(0x82) # vcom_DC setting
self.send_data(0x12)
def digital_write(self, pin, value):
self.GPIO.output(pin, value)
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
def digital_read(self, pin):
return self.GPIO.input(self.BUSY_PIN)
self.Partial_SetLut()
# EPD hardware init end
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.BUSY_PIN, self.GPIO.IN)
self.SPI.SYSFS_software_spi_begin()
return 0
def Init_4Gray(self):
if epdconfig.module_init() != 0:
return -1
# EPD hardware init start
self.reset()
def module_exit(self):
logger.debug("spi end")
self.SPI.SYSFS_software_spi_end()
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)
logger.debug("close 5V, Module enters 0 power consumption ...")
self.GPIO.output(self.RST_PIN, 0)
self.GPIO.output(self.DC_PIN, 0)
self.send_command(0x06) # booster soft start
self.send_data(0x17) # A
self.send_data(0x17) # B
self.send_data(0x17) # C
self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN])
self.send_command(0x04)
self.ReadBusy()
class SunriseX3:
# Pin definition
RST_PIN = 17
DC_PIN = 25
CS_PIN = 8
BUSY_PIN = 24
Flag = 0
self.send_command(0x00) # panel setting
self.send_data(0x3f) # KW-3f KWR-2F BWROTP 0f BWOTP 1f
def __init__(self):
import spidev
import Hobot.GPIO
self.send_command(0x30) # PLL setting
self.send_data(0x3c) # 100hz
self.GPIO = Hobot.GPIO
self.SPI = spidev.SpiDev()
self.send_command(0x61) # resolution setting
self.send_data(0x01) # 400
self.send_data(0x90)
self.send_data(0x01) # 300
self.send_data(0x2c)
def digital_write(self, pin, value):
self.GPIO.output(pin, value)
self.send_command(0x82) # vcom_DC setting
self.send_data(0x12)
def digital_read(self, pin):
return self.GPIO.input(pin)
self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
self.send_data(0x97)
def delay_ms(self, delaytime):
time.sleep(delaytime / 1000.0)
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 spi_writebyte(self, data):
self.SPI.writebytes(data)
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)
def spi_writebyte2(self, data):
# for i in range(len(data)):
# self.SPI.writebytes([data[i]])
self.SPI.xfer3(data)
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)
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.BUSY_PIN, self.GPIO.IN)
return buf
# 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 display(self, image):
if self.width % 8 == 0:
linewidth = int(self.width / 8)
else:
linewidth = int(self.width / 8) + 1
def module_exit(self):
logger.debug("spi end")
self.SPI.close()
self.send_command(0x92)
self.set_lut()
self.send_command(0x10)
self.send_data2([0xFF] * int(self.width * linewidth))
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.send_command(0x13)
self.send_data2(image)
self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN])
self.send_command(0x12)
self.ReadBusy()
if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'):
implementation = RaspberryPi()
elif os.path.exists('/sys/bus/platform/drivers/gpio-x3'):
implementation = SunriseX3()
else:
implementation = JetsonNano()
def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image):
# EPD_WIDTH = 400
# EPD_HEIGHT = 300
for func in [x for x in dir(implementation) if not x.startswith('_')]:
setattr(sys.modules[__name__], func, getattr(implementation, func))
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) + 1
else:
X_start = int(X_start / 8)
if X_end % 8 != 0:
X_end = int(X_end / 8) + 1
else:
X_end = int(X_end / 8)
buf = [0x00] * (Y_end - Y_start) * (X_end - X_start)
self.send_command(0x91) # This command makes the display enter partial mode
self.send_command(0x90) # resolution setting
self.send_data(int(X_start * 8 / 256))
self.send_data(int(X_start * 8 % 256)) # x-start
self.send_data(int(X_end * 8 / 256))
self.send_data(int(X_end * 8 % 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, Y_end - Y_start):
for i in range(0, X_end - X_start):
buf[j * (X_end - X_start) + i] = self.DATA[(Y_start + j) * Width + X_start + i]
self.send_data2(buf)
self.send_command(0x13) # writes New data to SRAM.
for j in range(0, Y_end - Y_start):
for i in range(0, X_end - X_start):
buf[j * (X_end - X_start) + i] = ~Image[(Y_start + j) * Width + X_start + i]
self.DATA[(Y_start + j) * Width + X_start + i] = ~Image[(Y_start + j) * Width + X_start / 8 + i]
self.send_data2(buf)
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)
if self.width % 8 == 0:
linewidth = int(self.width / 8)
else:
linewidth = int(self.width / 8) + 1
buf = [0x00] * self.height * linewidth
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
buf[i] = temp3
self.send_data2(buf)
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
buf[i] = temp3
self.send_data2(buf)
self.Gray_SetLut()
self.send_command(0x12)
epdconfig.delay_ms(200)
self.ReadBusy()
# pass
def Clear(self):
if self.width % 8 == 0:
linewidth = int(self.width / 8)
else:
linewidth = int(self.width / 8) + 1
self.send_command(0x10)
self.send_data2([0xff] * int(self.height * linewidth))
self.send_command(0x13)
self.send_data2([0xff] * int(self.height * linewidth))
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 ###