2022-10-17 20:30:57 +00:00
|
|
|
# *****************************************************************************
|
|
|
|
|
# * | File : epd2in13_V2.py
|
|
|
|
|
# * | Author : Waveshare team
|
|
|
|
|
# * | Function : Electronic paper driver
|
|
|
|
|
# * | Info :
|
|
|
|
|
# *----------------
|
|
|
|
|
# * | This version: V4.0
|
|
|
|
|
# * | 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 = 122
|
|
|
|
|
EPD_HEIGHT = 250
|
|
|
|
|
|
|
|
|
|
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_UPDATE = 0
|
|
|
|
|
PART_UPDATE = 1
|
|
|
|
|
lut_full_update= [
|
|
|
|
|
0x80,0x60,0x40,0x00,0x00,0x00,0x00, #LUT0: BB: VS 0 ~7
|
|
|
|
|
0x10,0x60,0x20,0x00,0x00,0x00,0x00, #LUT1: BW: VS 0 ~7
|
|
|
|
|
0x80,0x60,0x40,0x00,0x00,0x00,0x00, #LUT2: WB: VS 0 ~7
|
|
|
|
|
0x10,0x60,0x20,0x00,0x00,0x00,0x00, #LUT3: WW: VS 0 ~7
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT4: VCOM: VS 0 ~7
|
|
|
|
|
|
|
|
|
|
0x03,0x03,0x00,0x00,0x02, # TP0 A~D RP0
|
|
|
|
|
0x09,0x09,0x00,0x00,0x02, # TP1 A~D RP1
|
|
|
|
|
0x03,0x03,0x00,0x00,0x02, # TP2 A~D RP2
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00, # TP3 A~D RP3
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00, # TP4 A~D RP4
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00, # TP5 A~D RP5
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00, # TP6 A~D RP6
|
|
|
|
|
|
|
|
|
|
0x15,0x41,0xA8,0x32,0x30,0x0A,
|
|
|
|
|
]
|
|
|
|
|
|
|
|
|
|
lut_partial_update = [ #20 bytes
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT0: BB: VS 0 ~7
|
|
|
|
|
0x80,0x00,0x00,0x00,0x00,0x00,0x00, #LUT1: BW: VS 0 ~7
|
|
|
|
|
0x40,0x00,0x00,0x00,0x00,0x00,0x00, #LUT2: WB: VS 0 ~7
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT3: WW: VS 0 ~7
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00,0x00,0x00, #LUT4: VCOM: VS 0 ~7
|
|
|
|
|
|
|
|
|
|
0x0A,0x00,0x00,0x00,0x00, # TP0 A~D RP0
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00, # TP1 A~D RP1
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00, # TP2 A~D RP2
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00, # TP3 A~D RP3
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00, # TP4 A~D RP4
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00, # TP5 A~D RP5
|
|
|
|
|
0x00,0x00,0x00,0x00,0x00, # TP6 A~D RP6
|
|
|
|
|
|
|
|
|
|
0x15,0x41,0xA8,0x32,0x30,0x0A,
|
|
|
|
|
]
|
|
|
|
|
|
|
|
|
|
# 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)
|
|
|
|
|
|
|
|
|
|
# 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):
|
|
|
|
|
while(epdconfig.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy
|
|
|
|
|
epdconfig.delay_ms(100)
|
|
|
|
|
|
|
|
|
|
def TurnOnDisplay(self):
|
|
|
|
|
self.send_command(0x22)
|
|
|
|
|
self.send_data(0xC7)
|
|
|
|
|
self.send_command(0x20)
|
|
|
|
|
self.ReadBusy()
|
|
|
|
|
|
|
|
|
|
def TurnOnDisplayPart(self):
|
|
|
|
|
self.send_command(0x22)
|
|
|
|
|
self.send_data(0x0c)
|
|
|
|
|
self.send_command(0x20)
|
|
|
|
|
self.ReadBusy()
|
|
|
|
|
|
|
|
|
|
def init(self, update):
|
|
|
|
|
if (epdconfig.module_init() != 0):
|
|
|
|
|
return -1
|
|
|
|
|
# EPD hardware init start
|
|
|
|
|
self.reset()
|
|
|
|
|
if(update == self.FULL_UPDATE):
|
|
|
|
|
self.ReadBusy()
|
|
|
|
|
self.send_command(0x12) # soft reset
|
|
|
|
|
self.ReadBusy()
|
|
|
|
|
|
|
|
|
|
self.send_command(0x74) #set analog block control
|
|
|
|
|
self.send_data(0x54)
|
|
|
|
|
self.send_command(0x7E) #set digital block control
|
|
|
|
|
self.send_data(0x3B)
|
|
|
|
|
|
|
|
|
|
self.send_command(0x01) #Driver output control
|
|
|
|
|
self.send_data(0xF9)
|
|
|
|
|
self.send_data(0x00)
|
|
|
|
|
self.send_data(0x00)
|
|
|
|
|
|
|
|
|
|
self.send_command(0x11) #data entry mode
|
|
|
|
|
self.send_data(0x01)
|
|
|
|
|
|
|
|
|
|
self.send_command(0x44) #set Ram-X address start/end position
|
|
|
|
|
self.send_data(0x00)
|
|
|
|
|
self.send_data(0x0F) #0x0C-->(15+1)*8=128
|
|
|
|
|
|
|
|
|
|
self.send_command(0x45) #set Ram-Y address start/end position
|
|
|
|
|
self.send_data(0xF9) #0xF9-->(249+1)=250
|
|
|
|
|
self.send_data(0x00)
|
|
|
|
|
self.send_data(0x00)
|
|
|
|
|
self.send_data(0x00)
|
|
|
|
|
|
|
|
|
|
self.send_command(0x3C) #BorderWavefrom
|
|
|
|
|
self.send_data(0x03)
|
|
|
|
|
|
|
|
|
|
self.send_command(0x2C) #VCOM Voltage
|
|
|
|
|
self.send_data(0x55) #
|
|
|
|
|
|
|
|
|
|
self.send_command(0x03)
|
|
|
|
|
self.send_data(self.lut_full_update[70])
|
|
|
|
|
|
|
|
|
|
self.send_command(0x04) #
|
|
|
|
|
self.send_data(self.lut_full_update[71])
|
|
|
|
|
self.send_data(self.lut_full_update[72])
|
|
|
|
|
self.send_data(self.lut_full_update[73])
|
|
|
|
|
|
|
|
|
|
self.send_command(0x3A) #Dummy Line
|
|
|
|
|
self.send_data(self.lut_full_update[74])
|
|
|
|
|
self.send_command(0x3B) #Gate time
|
|
|
|
|
self.send_data(self.lut_full_update[75])
|
|
|
|
|
|
|
|
|
|
self.send_command(0x32)
|
|
|
|
|
for count in range(70):
|
|
|
|
|
self.send_data(self.lut_full_update[count])
|
|
|
|
|
|
|
|
|
|
self.send_command(0x4E) # set RAM x address count to 0
|
|
|
|
|
self.send_data(0x00)
|
|
|
|
|
self.send_command(0x4F) # set RAM y address count to 0X127
|
|
|
|
|
self.send_data(0xF9)
|
|
|
|
|
self.send_data(0x00)
|
|
|
|
|
self.ReadBusy()
|
|
|
|
|
else:
|
|
|
|
|
self.send_command(0x2C) #VCOM Voltage
|
|
|
|
|
self.send_data(0x26)
|
|
|
|
|
|
|
|
|
|
self.ReadBusy()
|
|
|
|
|
|
|
|
|
|
self.send_command(0x32)
|
|
|
|
|
for count in range(70):
|
|
|
|
|
self.send_data(self.lut_partial_update[count])
|
|
|
|
|
|
|
|
|
|
self.send_command(0x37)
|
|
|
|
|
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_command(0x22)
|
|
|
|
|
self.send_data(0xC0)
|
|
|
|
|
self.send_command(0x20)
|
|
|
|
|
self.ReadBusy()
|
|
|
|
|
|
|
|
|
|
self.send_command(0x3C) #BorderWavefrom
|
|
|
|
|
self.send_data(0x01)
|
|
|
|
|
return 0
|
|
|
|
|
|
|
|
|
|
def getbuffer(self, image):
|
|
|
|
|
if self.width%8 == 0:
|
|
|
|
|
linewidth = int(self.width/8)
|
|
|
|
|
else:
|
|
|
|
|
linewidth = int(self.width/8) + 1
|
|
|
|
|
|
|
|
|
|
buf = [0xFF] * (linewidth * 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("Vertical")
|
|
|
|
|
for y in range(imheight):
|
|
|
|
|
for x in range(imwidth):
|
|
|
|
|
if pixels[x, y] == 0:
|
|
|
|
|
x = imwidth - x
|
|
|
|
|
buf[int(x / 8) + y * linewidth] &= ~(0x80 >> (x % 8))
|
|
|
|
|
elif(imwidth == self.height and imheight == self.width):
|
|
|
|
|
logger.debug("Horizontal")
|
|
|
|
|
for y in range(imheight):
|
|
|
|
|
for x in range(imwidth):
|
|
|
|
|
newx = y
|
|
|
|
|
newy = self.height - x - 1
|
|
|
|
|
if pixels[x, y] == 0:
|
|
|
|
|
newy = imwidth - newy - 1
|
|
|
|
|
buf[int(newx / 8) + newy*linewidth] &= ~(0x80 >> (y % 8))
|
|
|
|
|
return buf
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def display(self, image):
|
|
|
|
|
self.send_command(0x24)
|
|
|
|
|
self.send_data2(image)
|
|
|
|
|
self.TurnOnDisplay()
|
|
|
|
|
|
|
|
|
|
def displayPartial(self, image):
|
|
|
|
|
if self.width%8 == 0:
|
|
|
|
|
linewidth = int(self.width/8)
|
|
|
|
|
else:
|
|
|
|
|
linewidth = int(self.width/8) + 1
|
|
|
|
|
|
|
|
|
|
buf = [0x00] * self.height * linewidth
|
|
|
|
|
for j in range(0, self.height):
|
|
|
|
|
for i in range(0, linewidth):
|
|
|
|
|
buf[i + j * linewidth] = ~image[i + j * linewidth]
|
|
|
|
|
|
|
|
|
|
self.send_command(0x24)
|
|
|
|
|
self.send_data2(image)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
self.send_command(0x26)
|
|
|
|
|
self.send_data2(buf)
|
|
|
|
|
self.TurnOnDisplayPart()
|
|
|
|
|
|
|
|
|
|
def displayPartBaseImage(self, image):
|
|
|
|
|
self.send_command(0x24)
|
|
|
|
|
self.send_data2(image)
|
|
|
|
|
|
|
|
|
|
self.send_command(0x26)
|
|
|
|
|
self.send_data2(image)
|
|
|
|
|
self.TurnOnDisplay()
|
|
|
|
|
|
2024-01-31 22:04:09 +00:00
|
|
|
def Clear(self, color=0xFF):
|
2022-10-17 20:30:57 +00:00
|
|
|
if self.width%8 == 0:
|
|
|
|
|
linewidth = int(self.width/8)
|
|
|
|
|
else:
|
|
|
|
|
linewidth = int(self.width/8) + 1
|
|
|
|
|
# logger.debug(linewidth)
|
|
|
|
|
|
|
|
|
|
buf = [0x00] * self.height * linewidth
|
|
|
|
|
for j in range(0, self.height):
|
|
|
|
|
for i in range(0, linewidth):
|
|
|
|
|
buf[i + j * linewidth] = color
|
|
|
|
|
|
|
|
|
|
self.send_command(0x24)
|
|
|
|
|
self.send_data2(buf)
|
|
|
|
|
|
|
|
|
|
# self.send_command(0x26)
|
|
|
|
|
# for j in range(0, self.height):
|
|
|
|
|
# for i in range(0, linewidth):
|
|
|
|
|
# self.send_data(color)
|
|
|
|
|
|
|
|
|
|
self.TurnOnDisplay()
|
|
|
|
|
|
|
|
|
|
def sleep(self):
|
|
|
|
|
# self.send_command(0x22) #POWER OFF
|
|
|
|
|
# self.send_data(0xC3)
|
|
|
|
|
# self.send_command(0x20)
|
|
|
|
|
|
|
|
|
|
self.send_command(0x10) #enter deep sleep
|
|
|
|
|
self.send_data(0x03)
|
|
|
|
|
epdconfig.delay_ms(2000)
|
|
|
|
|
epdconfig.module_exit()
|
|
|
|
|
|
|
|
|
|
### END OF FILE ###
|
|
|
|
|
|
