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Inkycal/inkycal/display/drivers/epd_4_in_2.py

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Added support for more E-Paper displays
2020-01-17 17:05:50 +01:00
# *****************************************************************************
# * | File : epd4in2.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
switch from relative import to absolute import
2020-05-30 00:44:56 +02:00
from inkycal.display.drivers import epdconfig
Added support for more E-Paper displays
2020-01-17 17:05:50 +01:00
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
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
lut_vcom0 = [
0x00, 0x17, 0x00, 0x00, 0x00, 0x02,
0x00, 0x17, 0x17, 0x00, 0x00, 0x02,
0x00, 0x0A, 0x01, 0x00, 0x00, 0x01,
0x00, 0x0E, 0x0E, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_ww = [
0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
0x40, 0x0A, 0x01, 0x00, 0x00, 0x01,
0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_bw = [
0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
0x40, 0x0A, 0x01, 0x00, 0x00, 0x01,
0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_wb = [
0x80, 0x17, 0x00, 0x00, 0x00, 0x02,
0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
0x80, 0x0A, 0x01, 0x00, 0x00, 0x01,
0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_bb = [
0x80, 0x17, 0x00, 0x00, 0x00, 0x02,
0x90, 0x17, 0x17, 0x00, 0x00, 0x02,
0x80, 0x0A, 0x01, 0x00, 0x00, 0x01,
0x50, 0x0E, 0x0E, 0x00, 0x00, 0x02,
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(200)
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(10)
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)
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
for count in range(0, 44):
self.send_data(self.lut_vcom0[count])
self.send_command(0x21) # ww --
for count in range(0, 42):
self.send_data(self.lut_ww[count])
self.send_command(0x22) # bw r
for count in range(0, 42):
self.send_data(self.lut_bw[count])
self.send_command(0x23) # wb w
for count in range(0, 42):
self.send_data(self.lut_bb[count])
self.send_command(0x24) # bb b
for count in range(0, 42):
self.send_data(self.lut_wb[count])
def Gray_SetLut(self):
self.send_command(0x20) #vcom
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_vcom[count])
self.send_command(0x21) #red not use
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_ww[count])
self.send_command(0x22) #bw r
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_bw[count])
self.send_command(0x23) #wb w
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_wb[count])
self.send_command(0x24) #bb b
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_bb[count])
self.send_command(0x25) #vcom
for count in range(0, 42):
self.send_data(self.EPD_4IN2_4Gray_lut_ww[count])
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_data(0x0d)
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(0x28)
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_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):
# logging.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()
# logging.debug("imwidth = %d, imheight = %d",imwidth,imheight)
if(imwidth == self.width and imheight == self.height):
logging.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):
logging.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):
# logging.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
# logging.debug("imwidth = %d, imheight = %d",imwidth,imheight)
if(imwidth == self.width and imheight == self.height):
logging.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):
logging.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):
self.send_command(0x10)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(0xFF)
self.send_command(0x13)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(image[i])
self.send_command(0x12)
self.ReadBusy()
def display_4Gray(self, image):
self.send_command(0x10)
for i in range(0, 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
self.send_data(temp3)
self.send_command(0x13)
for i in range(0, 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
self.send_data(temp3)
self.Gray_SetLut()
self.send_command(0x12)
epdconfig.delay_ms(200)
self.ReadBusy()
# pass
def Clear(self):
self.send_command(0x10)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(0xFF)
self.send_command(0x13)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(0xFF)
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.module_exit()
### END OF FILE ###
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