460 lines
17 KiB
Python
460 lines
17 KiB
Python
# *****************************************************************************
|
|
# * | File : epd3in52.py
|
|
# * | Author : Waveshare team
|
|
# * | Function : Electronic paper driver
|
|
# * | Info :
|
|
# *----------------
|
|
# * | This version: V1.0
|
|
# * | Date : 2022-07-20
|
|
# # | 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 multiprocessing.reduction import recv_handle
|
|
from . import epdconfig
|
|
|
|
# Display resolution
|
|
EPD_WIDTH = 240
|
|
EPD_HEIGHT = 360
|
|
|
|
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.Flag = 0
|
|
self.WHITE = 0xFF
|
|
self.BLACK = 0x00
|
|
self.Source_Line = 0xAA
|
|
self.Gate_Line = 0x55
|
|
self.UP_BLACK_DOWN_WHITE = 0xF0
|
|
self.LEFT_BLACK_RIGHT_WHITE = 0x0F
|
|
self.Frame = 0x01
|
|
self.Crosstalk = 0x02
|
|
self.Chessboard = 0x03
|
|
self.Image = 0x04
|
|
|
|
# GC 0.9S
|
|
lut_R20_GC = [
|
|
0x01,0x0f,0x0f,0x0f,0x01,0x01,0x01,
|
|
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
|
|
]
|
|
lut_R21_GC = [
|
|
0x01,0x4f,0x8f,0x0f,0x01,0x01,0x01,
|
|
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
|
|
]
|
|
lut_R22_GC = [
|
|
0x01,0x0f,0x8f,0x0f,0x01,0x01,0x01,
|
|
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
|
|
]
|
|
lut_R23_GC = [
|
|
0x01,0x4f,0x8f,0x4f,0x01,0x01,0x01,
|
|
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
|
|
]
|
|
lut_R24_GC = [
|
|
0x01,0x0f,0x8f,0x4f,0x01,0x01,0x01,
|
|
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
|
|
]
|
|
|
|
# DU 0.3s
|
|
lut_R20_DU = [
|
|
0x01,0x0f,0x01,0x00,0x00,0x01,0x01,
|
|
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
|
|
]
|
|
lut_R21_DU = [
|
|
0x01,0x0f,0x01,0x00,0x00,0x01,0x01,
|
|
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
|
|
]
|
|
lut_R22_DU = [
|
|
0x01,0x8f,0x01,0x00,0x00,0x01,0x01,
|
|
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
|
|
]
|
|
lut_R23_DU = [
|
|
0x01,0x4f,0x01,0x00,0x00,0x01,0x01,
|
|
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
|
|
]
|
|
lut_R24_DU = [
|
|
0x01,0x0f,0x01,0x00,0x00,0x01,0x01,
|
|
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
|
|
]
|
|
|
|
lut_vcom = [
|
|
0x01,0x19,0x19,0x19,0x19,0x01,0x01,
|
|
0x01,0x19,0x19,0x19,0x01,0x01,0x01,
|
|
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
|
|
]
|
|
lut_ww = [
|
|
0x01,0x59,0x99,0x59,0x99,0x01,0x01,
|
|
0x01,0x59,0x99,0x19,0x01,0x01,0x01,
|
|
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
|
|
]
|
|
lut_bw = [
|
|
0x01,0x59,0x99,0x59,0x99,0x01,0x01,
|
|
0x01,0x59,0x99,0x19,0x01,0x01,0x01,
|
|
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
|
|
]
|
|
lut_wb = [
|
|
0x01,0x19,0x99,0x59,0x99,0x01,0x01,
|
|
0x01,0x59,0x99,0x59,0x01,0x01,0x01,
|
|
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
|
|
]
|
|
lut_bb = [
|
|
0x01,0x19,0x99,0x59,0x99,0x01,0x01,
|
|
0x01,0x59,0x99,0x59,0x01,0x01,0x01,
|
|
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
|
|
]
|
|
|
|
# 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(2)
|
|
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):
|
|
logger.debug("e-Paper busy")
|
|
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: busy, 1: idle
|
|
epdconfig.delay_ms(5)
|
|
logger.debug("e-Paper busy release")
|
|
|
|
def lut(self) :
|
|
self.send_command(0x20) # vcom
|
|
self.send_data2(self.lut_vcom[:42])
|
|
|
|
self.send_command(0x21) # ww --
|
|
self.send_data2(self.lut_ww[:42])
|
|
|
|
self.send_command(0x22) # bw r
|
|
self.send_data2(self.lut_bw[:42])
|
|
|
|
self.send_command(0x23) # wb w
|
|
self.send_data2(self.lut_bb[:42])
|
|
|
|
self.send_command(0x24) # bb b
|
|
self.send_data2(self.lut_wb[:42])
|
|
|
|
def refresh(self):
|
|
self.send_command(0x17)
|
|
self.send_data(0xA5)
|
|
self.ReadBusy()
|
|
epdconfig.delay_ms(200)
|
|
|
|
# LUT download
|
|
def lut_GC(self):
|
|
self.send_command(0x20); # vcom
|
|
self.send_data2(self.lut_R20_GC[:56])
|
|
|
|
self.send_command(0x21); # red not use
|
|
self.send_data2(self.lut_R21_GC[:42])
|
|
|
|
self.send_command(0x24); # bb b
|
|
self.send_data2(self.lut_R24_GC[:42])
|
|
|
|
if(self.Flag == 0) :
|
|
self.send_command(0x22); # bw r
|
|
self.send_data2(self.lut_R22_GC[:56])
|
|
|
|
self.send_command(0x23); # wb w
|
|
self.send_data2(self.lut_R23_GC[:42])
|
|
self.Flag = 1
|
|
|
|
else :
|
|
self.send_command(0x22); # bw r
|
|
self.send_data2(self.lut_R23_GC[:56])
|
|
|
|
self.send_command(0x23); # wb w
|
|
self.send_data2(self.lut_R22_GC[:42])
|
|
self.Flag = 0
|
|
|
|
# LUT download
|
|
def lut_DU(self):
|
|
self.send_command(0x20); # vcom
|
|
self.send_data2(self.lut_R20_DU[:56])
|
|
|
|
self.send_command(0x21); # red not use
|
|
self.send_data2(self.lut_R21_DU[:42])
|
|
|
|
self.send_command(0x24); # bb b
|
|
self.send_data2(self.lut_R24_DU[:42])
|
|
|
|
if(self.Flag == 0) :
|
|
self.send_command(0x22); # bw r
|
|
self.send_data2(self.lut_R22_DU[:56])
|
|
|
|
self.send_command(0x23); # wb w
|
|
self.send_data2(self.lut_R23_DU[:42])
|
|
|
|
self.Flag = 1
|
|
|
|
else :
|
|
self.send_command(0x22); # bw r
|
|
self.send_data2(self.lut_R23_DU[:56])
|
|
|
|
self.send_command(0x23); # wb w
|
|
self.send_data2(self.lut_R22_DU[:42])
|
|
|
|
self.Flag = 0
|
|
|
|
|
|
def init(self):
|
|
if (epdconfig.module_init() != 0):
|
|
return -1
|
|
# EPD hardware init start
|
|
self.Flag = 0
|
|
self.reset()
|
|
|
|
self.send_command(0x00) # panel setting PSR
|
|
self.send_data(0xFF) # RES1 RES0 REG KW/R UD SHL SHD_N RST_N
|
|
self.send_data(0x01) # x x x VCMZ TS_AUTO TIGE NORG VC_LUTZ
|
|
|
|
self.send_command(0x01) # POWER SETTING PWR
|
|
self.send_data(0x03) # x x x x x x VDS_EN VDG_EN
|
|
self.send_data(0x10) # x x x VCOM_SLWE VGH[3:0] VGH=20V, VGL=-20V
|
|
self.send_data(0x3F) # x x VSH[5:0] VSH = 15V
|
|
self.send_data(0x3F) # x x VSL[5:0] VSL=-15V
|
|
self.send_data(0x03) # OPTEN VDHR[6:0] VHDR=6.4V
|
|
# T_VDS_OFF[1:0] 00=1 frame; 01=2 frame; 10=3 frame; 11=4 frame
|
|
self.send_command(0x06) # booster soft start BTST
|
|
self.send_data(0x37) # BT_PHA[7:0]
|
|
self.send_data(0x3D) # BT_PHB[7:0]
|
|
self.send_data(0x3D) # x x BT_PHC[5:0]
|
|
|
|
self.send_command(0x60) # TCON setting TCON
|
|
self.send_data(0x22) # S2G[3:0] G2S[3:0] non-overlap = 12
|
|
|
|
self.send_command(0x82) # VCOM_DC setting VDCS
|
|
self.send_data(0x07) # x VDCS[6:0] VCOM_DC value= -1.9v 00~3f,0x12=-1.9v
|
|
|
|
self.send_command(0x30)
|
|
self.send_data(0x09)
|
|
|
|
self.send_command(0xe3) # power saving PWS
|
|
self.send_data(0x88) # VCOM_W[3:0] SD_W[3:0]
|
|
|
|
self.send_command(0x61) # resoultion setting
|
|
self.send_data(0xf0) # HRES[7:3] 0 0 0
|
|
self.send_data(0x01) # x x x x x x x VRES[8]
|
|
self.send_data(0x68) # VRES[7:0]
|
|
|
|
self.send_command(0x50);
|
|
self.send_data(0xB7);
|
|
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("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] == 0:
|
|
buf[int((x + y * self.width) / 8)] &= ~(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:
|
|
buf[int((newx + newy*self.width) / 8)] &= ~(0x80 >> (y % 8))
|
|
return buf
|
|
|
|
def display(self, image):
|
|
if (image == None):
|
|
return
|
|
self.send_command(0x13); # Transfer new data
|
|
self.send_data2(image)
|
|
|
|
def display_NUM(self, NUM):
|
|
# pcnt = 0
|
|
|
|
self.send_command(0x13); #Transfer new data
|
|
for column in range(0, self.height):
|
|
for row in range(0, self.width//8):
|
|
if NUM == self.WHITE:
|
|
self.send_data(0xFF)
|
|
|
|
elif NUM == self.BLACK:
|
|
self.send_data(0x00)
|
|
|
|
elif NUM == self.Source_Line:
|
|
self.send_data(0xAA)
|
|
|
|
elif NUM == self.Gate_Line:
|
|
if(column%2):
|
|
self.send_data(0xff) # An odd number of Gate line
|
|
else:
|
|
self.send_data(0x00) # The even line Gate
|
|
|
|
elif NUM == self.Chessboard:
|
|
if(row>=(self.width/8/2) and column>=(self.height/2)):
|
|
self.send_data(0xff)
|
|
elif(row<(self.width/8/2) and column<(self.height/2)):
|
|
self.send_data(0xff)
|
|
else:
|
|
self.send_data(0x00)
|
|
|
|
elif NUM == self.LEFT_BLACK_RIGHT_WHITE:
|
|
if(row>=(self.width/8/2)):
|
|
self.send_data(0xff)
|
|
else:
|
|
self.send_data(0x00)
|
|
|
|
elif NUM == self.UP_BLACK_DOWN_WHITE:
|
|
if(column>=(self.height/2)):
|
|
self.send_data(0xFF)
|
|
else:
|
|
self.send_data(0x00)
|
|
|
|
elif NUM == self.Frame:
|
|
if(column==0 or column==(self.height-1)):
|
|
self.send_data(0x00)
|
|
elif(row==0):
|
|
self.send_data(0x7F)
|
|
elif(row==(self.width/8-1)):
|
|
self.send_data(0xFE);
|
|
else:
|
|
self.send_data(0xFF);
|
|
|
|
elif NUM == self.Crosstalk:
|
|
if((row>=(self.width/8/3) and row<=(self.width/8/3*2) and column<=(self.height/3)) or (row>=(self.width/8/3) and row<=(self.width/8/3*2) and column>=(self.height/3*2))):
|
|
self.send_data(0x00)
|
|
else:
|
|
self.send_data(0xFF)
|
|
|
|
elif NUM == self.Image:
|
|
epdconfig.delay_ms(1)
|
|
# self.send_data(gImage_1[pcnt++])
|
|
|
|
|
|
def Clear(self):
|
|
self.send_command(0x13); # Transfer new data
|
|
self.send_data2([0xFF] * int(self.width * self.height / 8))
|
|
self.lut_GC()
|
|
self.refresh()
|
|
|
|
def sleep(self):
|
|
self.send_command(0X07) # DEEP_SLEEP_MODE
|
|
self.send_data(0xA5)
|
|
|
|
epdconfig.delay_ms(2000)
|
|
epdconfig.module_exit()
|
|
### END OF FILE ###
|
|
|