679 lines
24 KiB
Python
679 lines
24 KiB
Python
# *****************************************************************************
|
|
# * | File : epd4in2.py
|
|
# * | Author : Waveshare team
|
|
# * | Function : Electronic paper driver
|
|
# * | Info :
|
|
# *----------------
|
|
# * | This version: V4.2
|
|
# * | Date : 2022-10-29
|
|
# # | 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
|
|
EPD_WIDTH = 400
|
|
EPD_HEIGHT = 300
|
|
|
|
GRAY1 = 0xff # white
|
|
GRAY2 = 0xC0
|
|
GRAY3 = 0x80 # gray
|
|
GRAY4 = 0x00 # Blackest
|
|
|
|
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.GRAY1 = GRAY1 # white
|
|
self.GRAY2 = GRAY2
|
|
self.GRAY3 = GRAY3 # gray
|
|
self.GRAY4 = GRAY4 # Blackest
|
|
self.DATA = [0x00] * 15000
|
|
|
|
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,
|
|
]
|
|
|
|
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,
|
|
]
|
|
|
|
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,
|
|
]
|
|
|
|
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,
|
|
]
|
|
|
|
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,
|
|
]
|
|
|
|
# ******************************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,
|
|
]
|
|
|
|
# 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 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
|
|
return 0
|
|
|
|
def init_Partial(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(
|
|
0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
|
|
|
|
self.Partial_SetLut()
|
|
# EPD hardware init end
|
|
return 0
|
|
|
|
def Init_4Gray(self):
|
|
if epdconfig.module_init() != 0:
|
|
return -1
|
|
# EPD hardware init start
|
|
self.reset()
|
|
|
|
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
|
|
|
|
self.send_command(0x04)
|
|
self.ReadBusy()
|
|
|
|
self.send_command(0x00) # panel setting
|
|
self.send_data(0x3f) # KW-3f KWR-2F BWROTP 0f BWOTP 1f
|
|
|
|
self.send_command(0x30) # PLL setting
|
|
self.send_data(0x3c) # 100hz
|
|
|
|
self.send_command(0x61) # resolution setting
|
|
self.send_data(0x01) # 400
|
|
self.send_data(0x90)
|
|
self.send_data(0x01) # 300
|
|
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)
|
|
|
|
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 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)
|
|
|
|
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)
|
|
|
|
return buf
|
|
|
|
def display(self, image):
|
|
if self.width % 8 == 0:
|
|
linewidth = int(self.width / 8)
|
|
else:
|
|
linewidth = int(self.width / 8) + 1
|
|
|
|
self.send_command(0x92)
|
|
self.set_lut()
|
|
self.send_command(0x10)
|
|
self.send_data2([0xFF] * int(self.width * linewidth))
|
|
|
|
self.send_command(0x13)
|
|
self.send_data2(image)
|
|
|
|
self.send_command(0x12)
|
|
self.ReadBusy()
|
|
|
|
def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image):
|
|
# EPD_WIDTH = 400
|
|
# EPD_HEIGHT = 300
|
|
|
|
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 ###
|