e-paper-display/lib/waveshare_epd/epd4in2.py

679 lines
23 KiB
Python
Raw Normal View History

2022-10-17 20:30:57 +00:00
# *****************************************************************************
# * | File : epd4in2.py
# * | Author : Waveshare team
# * | Function : Electronic paper driver
# * | Info :
# *----------------
2024-01-31 22:04:09 +00:00
# * | This version: V4.2
# * | Date : 2022-10-29
2022-10-17 20:30:57 +00:00
# # | 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
2024-01-31 22:04:09 +00:00
EPD_WIDTH = 400
EPD_HEIGHT = 300
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
GRAY1 = 0xff # white
GRAY2 = 0xC0
GRAY3 = 0x80 # gray
GRAY4 = 0x00 # Blackest
2022-10-17 20:30:57 +00:00
logger = logging.getLogger(__name__)
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
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
2024-01-31 22:04:09 +00:00
self.GRAY1 = GRAY1 # white
self.GRAY2 = GRAY2
self.GRAY3 = GRAY3 # gray
self.GRAY4 = GRAY4 # Blackest
self.DATA = [0x00] * 15000
2022-10-17 20:30:57 +00:00
lut_vcom0 = [
2024-01-31 22:04:09 +00:00
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,
2022-10-17 20:30:57 +00:00
]
lut_ww = [
2024-01-31 22:04:09 +00:00
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,
2022-10-17 20:30:57 +00:00
]
lut_bw = [
2024-01-31 22:04:09 +00:00
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,
2022-10-17 20:30:57 +00:00
]
lut_wb = [
2024-01-31 22:04:09 +00:00
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,
2022-10-17 20:30:57 +00:00
]
lut_bb = [
2024-01-31 22:04:09 +00:00
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,
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
# ******************************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,
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
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,
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
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,
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
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,
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
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,
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
# ******************************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
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
# 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,
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
# 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,
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
# 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,
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
# 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,
2022-10-17 20:30:57 +00:00
]
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
# Hardware reset
def reset(self):
epdconfig.digital_write(self.reset_pin, 1)
2024-01-31 22:04:09 +00:00
epdconfig.delay_ms(10)
2022-10-17 20:30:57 +00:00
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(10)
epdconfig.digital_write(self.reset_pin, 1)
2024-01-31 22:04:09 +00:00
epdconfig.delay_ms(10)
2022-10-17 20:30:57 +00:00
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(10)
epdconfig.digital_write(self.reset_pin, 1)
2024-01-31 22:04:09 +00:00
epdconfig.delay_ms(10)
2022-10-17 20:30:57 +00:00
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(10)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(10)
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)
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
def ReadBusy(self):
self.send_command(0x71)
2024-01-31 22:04:09 +00:00
while epdconfig.digital_read(self.busy_pin) == 0: # 0: idle, 1: busy
2022-10-17 20:30:57 +00:00
self.send_command(0x71)
2024-01-31 22:04:09 +00:00
epdconfig.delay_ms(100)
2022-10-17 20:30:57 +00:00
def set_lut(self):
2024-01-31 22:04:09 +00:00
self.send_command(0x20) # vcom
2022-10-17 20:30:57 +00:00
self.send_data2(self.lut_vcom0)
2024-01-31 22:04:09 +00:00
self.send_command(0x21) # ww --
2022-10-17 20:30:57 +00:00
self.send_data2(self.lut_ww)
2024-01-31 22:04:09 +00:00
self.send_command(0x22) # bw r
2022-10-17 20:30:57 +00:00
self.send_data2(self.lut_bw)
2024-01-31 22:04:09 +00:00
self.send_command(0x23) # wb w
2022-10-17 20:30:57 +00:00
self.send_data2(self.lut_bb)
2024-01-31 22:04:09 +00:00
self.send_command(0x24) # bb b
self.send_data2(self.lut_wb)
2022-10-17 20:30:57 +00:00
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)
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
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):
2024-01-31 22:04:09 +00:00
self.send_command(0x20) # vcom
self.send_data2(self.EPD_4IN2_4Gray_lut_vcom)
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
self.send_command(0x21) # red not use
self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
self.send_command(0x22) # bw r
self.send_data2(self.EPD_4IN2_4Gray_lut_bw)
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
self.send_command(0x23) # wb w
self.send_data2(self.EPD_4IN2_4Gray_lut_wb)
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
self.send_command(0x24) # bb b
self.send_data2(self.EPD_4IN2_4Gray_lut_bb)
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
self.send_command(0x25) # vcom
2022-10-17 20:30:57 +00:00
self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
def init(self):
2024-01-31 22:04:09 +00:00
if epdconfig.module_init() != 0:
2022-10-17 20:30:57 +00:00
return -1
# EPD hardware init start
self.reset()
2024-01-31 22:04:09 +00:00
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
2022-10-17 20:30:57 +00:00
self.send_data(0x17)
self.send_data(0x17)
self.send_data(0x17)
2024-01-31 22:04:09 +00:00
self.send_command(0x04) # POWER_ON
2022-10-17 20:30:57 +00:00
self.ReadBusy()
2024-01-31 22:04:09 +00:00
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
2022-10-17 20:30:57 +00:00
self.send_data(0x01)
self.send_data(0x2c)
2024-01-31 22:04:09 +00:00
self.send_command(0x82) # vcom_DC setting
2022-10-17 20:30:57 +00:00
self.send_data(0x12)
2024-01-31 22:04:09 +00:00
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
2022-10-17 20:30:57 +00:00
self.set_lut()
# EPD hardware init end
return 0
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
def init_Partial(self):
2024-01-31 22:04:09 +00:00
if epdconfig.module_init() != 0:
2022-10-17 20:30:57 +00:00
return -1
# EPD hardware init start
self.reset()
2024-01-31 22:04:09 +00:00
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
2022-10-17 20:30:57 +00:00
self.send_data(0x17)
self.send_data(0x17)
self.send_data(0x17)
2024-01-31 22:04:09 +00:00
self.send_command(0x04) # POWER_ON
2022-10-17 20:30:57 +00:00
self.ReadBusy()
2024-01-31 22:04:09 +00:00
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
2022-10-17 20:30:57 +00:00
self.send_data(0x01)
self.send_data(0x2c)
2024-01-31 22:04:09 +00:00
self.send_command(0x82) # vcom_DC setting
2022-10-17 20:30:57 +00:00
self.send_data(0x12)
2024-01-31 22:04:09 +00:00
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
self.Partial_SetLut()
2022-10-17 20:30:57 +00:00
# EPD hardware init end
return 0
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
def Init_4Gray(self):
2024-01-31 22:04:09 +00:00
if epdconfig.module_init() != 0:
2022-10-17 20:30:57 +00:00
return -1
# EPD hardware init start
self.reset()
2024-01-31 22:04:09 +00:00
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)
self.send_command(0x06) # booster soft start
self.send_data(0x17) # A
self.send_data(0x17) # B
self.send_data(0x17) # C
2022-10-17 20:30:57 +00:00
self.send_command(0x04)
self.ReadBusy()
2024-01-31 22:04:09 +00:00
self.send_command(0x00) # panel setting
self.send_data(0x3f) # KW-3f KWR-2F BWROTP 0f BWOTP 1f
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
self.send_command(0x30) # PLL setting
self.send_data(0x3c) # 100hz
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
self.send_command(0x61) # resolution setting
self.send_data(0x01) # 400
self.send_data(0x90)
self.send_data(0x01) # 300
self.send_data(0x2c)
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
self.send_command(0x82) # vcom_DC setting
self.send_data(0x12)
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
2022-10-17 20:30:57 +00:00
self.send_data(0x97)
def getbuffer(self, image):
# logger.debug("bufsiz = ",int(self.width/8) * self.height)
2024-01-31 22:04:09 +00:00
buf = [0xFF] * (int(self.width / 8) * self.height)
2022-10-17 20:30:57 +00:00
image_monocolor = image.convert('1')
imwidth, imheight = image_monocolor.size
pixels = image_monocolor.load()
# logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
2024-01-31 22:04:09 +00:00
if imwidth == self.width and imheight == self.height:
2022-10-17 20:30:57 +00:00
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))
2024-01-31 22:04:09 +00:00
elif imwidth == self.height and imheight == self.width:
2022-10-17 20:30:57 +00:00
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:
2024-01-31 22:04:09 +00:00
buf[int((newx + newy * self.width) / 8)] &= ~(0x80 >> (y % 8))
2022-10-17 20:30:57 +00:00
return buf
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
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()
2024-01-31 22:04:09 +00:00
i = 0
2022-10-17 20:30:57 +00:00
# logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
2024-01-31 22:04:09 +00:00
if imwidth == self.width and imheight == self.height:
2022-10-17 20:30:57 +00:00
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.
2024-01-31 22:04:09 +00:00
if pixels[x, y] == 0xC0:
2022-10-17 20:30:57 +00:00
pixels[x, y] = 0x80
2024-01-31 22:04:09 +00:00
elif pixels[x, y] == 0x80:
2022-10-17 20:30:57 +00:00
pixels[x, y] = 0x40
2024-01-31 22:04:09 +00:00
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:
2022-10-17 20:30:57 +00:00
logger.debug("Horizontal")
for x in range(imwidth):
for y in range(imheight):
newx = y
newy = x
2024-01-31 22:04:09 +00:00
if pixels[x, y] == 0xC0:
2022-10-17 20:30:57 +00:00
pixels[x, y] = 0x80
2024-01-31 22:04:09 +00:00
elif pixels[x, y] == 0x80:
2022-10-17 20:30:57 +00:00
pixels[x, y] = 0x40
2024-01-31 22:04:09 +00:00
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)
2022-10-17 20:30:57 +00:00
return buf
def display(self, image):
2024-01-31 22:04:09 +00:00
if self.width % 8 == 0:
linewidth = int(self.width / 8)
2022-10-17 20:30:57 +00:00
else:
2024-01-31 22:04:09 +00:00
linewidth = int(self.width / 8) + 1
2022-10-17 20:30:57 +00:00
2024-01-31 22:04:09 +00:00
self.send_command(0x92)
2022-10-17 20:30:57 +00:00
self.set_lut()
self.send_command(0x10)
self.send_data2([0xFF] * int(self.width * linewidth))
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
self.send_command(0x13)
self.send_data2(image)
2024-01-31 22:04:09 +00:00
self.send_command(0x12)
2022-10-17 20:30:57 +00:00
self.ReadBusy()
def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image):
# EPD_WIDTH = 400
# EPD_HEIGHT = 300
2024-01-31 22:04:09 +00:00
if EPD_WIDTH % 8 != 0:
Width = int(EPD_WIDTH / 8) + 1
2022-10-17 20:30:57 +00:00
else:
Width = int(EPD_WIDTH / 8)
Height = EPD_HEIGHT
2024-01-31 22:04:09 +00:00
if X_start % 8 != 0:
X_start = int(X_start / 8) + 1
2022-10-17 20:30:57 +00:00
else:
2024-01-31 22:04:09 +00:00
X_start = int(X_start / 8)
if X_end % 8 != 0:
X_end = int(X_end / 8) + 1
2022-10-17 20:30:57 +00:00
else:
2024-01-31 22:04:09 +00:00
X_end = int(X_end / 8)
2022-10-17 20:30:57 +00:00
buf = [0x00] * (Y_end - Y_start) * (X_end - X_start)
2024-01-31 22:04:09 +00:00
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
2022-10-17 20:30:57 +00:00
for j in range(0, Y_end - Y_start):
for i in range(0, X_end - X_start):
2024-01-31 22:04:09 +00:00
buf[j * (X_end - X_start) + i] = self.DATA[(Y_start + j) * Width + X_start + i]
2022-10-17 20:30:57 +00:00
self.send_data2(buf)
2024-01-31 22:04:09 +00:00
self.send_command(0x13) # writes New data to SRAM.
2022-10-17 20:30:57 +00:00
for j in range(0, Y_end - Y_start):
for i in range(0, X_end - X_start):
2024-01-31 22:04:09 +00:00
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]
2022-10-17 20:30:57 +00:00
self.send_data2(buf)
2024-01-31 22:04:09 +00:00
self.send_command(0x12) # DISPLAY REFRESH
epdconfig.delay_ms(200) # The delay here is necessary, 200uS at least!!!
self.ReadBusy()
2022-10-17 20:30:57 +00:00
def display_4Gray(self, image):
2024-01-31 22:04:09 +00:00
self.send_command(0x92)
2022-10-17 20:30:57 +00:00
self.set_lut()
self.send_command(0x10)
2024-01-31 22:04:09 +00:00
if self.width % 8 == 0:
linewidth = int(self.width / 8)
2022-10-17 20:30:57 +00:00
else:
2024-01-31 22:04:09 +00:00
linewidth = int(self.width / 8) + 1
2022-10-17 20:30:57 +00:00
buf = [0x00] * self.height * linewidth
2024-01-31 22:04:09 +00:00
for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # EPD_WIDTH * EPD_HEIGHT / 4
temp3 = 0
2022-10-17 20:30:57 +00:00
for j in range(0, 2):
2024-01-31 22:04:09 +00:00
temp1 = image[i * 2 + j]
2022-10-17 20:30:57 +00:00
for k in range(0, 2):
2024-01-31 22:04:09 +00:00
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
2022-10-17 20:30:57 +00:00
temp1 <<= 2
2024-01-31 22:04:09 +00:00
temp2 = temp1 & 0xC0
if temp2 == 0xC0: # white
2022-10-17 20:30:57 +00:00
temp3 |= 0x01
2024-01-31 22:04:09 +00:00
elif temp2 == 0x00: # black
2022-10-17 20:30:57 +00:00
temp3 |= 0x00
2024-01-31 22:04:09 +00:00
elif temp2 == 0x80:
temp3 |= 0x01 # gray1
else: # 0x40
temp3 |= 0x00 # gray2
if j != 1 or k != 1:
2022-10-17 20:30:57 +00:00
temp3 <<= 1
temp1 <<= 2
buf[i] = temp3
self.send_data2(buf)
2024-01-31 22:04:09 +00:00
self.send_command(0x13)
for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # 5808*4 46464
temp3 = 0
2022-10-17 20:30:57 +00:00
for j in range(0, 2):
2024-01-31 22:04:09 +00:00
temp1 = image[i * 2 + j]
2022-10-17 20:30:57 +00:00
for k in range(0, 2):
2024-01-31 22:04:09 +00:00
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
2022-10-17 20:30:57 +00:00
temp1 <<= 2
2024-01-31 22:04:09 +00:00
temp2 = temp1 & 0xC0
if temp2 == 0xC0: # white
2022-10-17 20:30:57 +00:00
temp3 |= 0x01
2024-01-31 22:04:09 +00:00
elif temp2 == 0x00: # black
2022-10-17 20:30:57 +00:00
temp3 |= 0x00
2024-01-31 22:04:09 +00:00
elif temp2 == 0x80:
temp3 |= 0x00 # gray1
else: # 0x40
temp3 |= 0x01 # gray2
if j != 1 or k != 1:
2022-10-17 20:30:57 +00:00
temp3 <<= 1
temp1 <<= 2
buf[i] = temp3
self.send_data2(buf)
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
self.Gray_SetLut()
self.send_command(0x12)
epdconfig.delay_ms(200)
self.ReadBusy()
# pass
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
def Clear(self):
2024-01-31 22:04:09 +00:00
if self.width % 8 == 0:
linewidth = int(self.width / 8)
2022-10-17 20:30:57 +00:00
else:
2024-01-31 22:04:09 +00:00
linewidth = int(self.width / 8) + 1
2022-10-17 20:30:57 +00:00
self.send_command(0x10)
2024-01-31 22:04:09 +00:00
self.send_data2([0xff] * int(self.height * linewidth))
2022-10-17 20:30:57 +00:00
self.send_command(0x13)
2024-01-31 22:04:09 +00:00
self.send_data2([0xff] * int(self.height * linewidth))
self.send_command(0x12)
2022-10-17 20:30:57 +00:00
self.ReadBusy()
def sleep(self):
2024-01-31 22:04:09 +00:00
self.send_command(0x02) # POWER_OFF
2022-10-17 20:30:57 +00:00
self.ReadBusy()
2024-01-31 22:04:09 +00:00
self.send_command(0x07) # DEEP_SLEEP
2022-10-17 20:30:57 +00:00
self.send_data(0XA5)
2024-01-31 22:04:09 +00:00
2022-10-17 20:30:57 +00:00
epdconfig.delay_ms(2000)
epdconfig.module_exit()
2024-01-31 22:04:09 +00:00
### END OF FILE ###