528 lines
18 KiB
Python
528 lines
18 KiB
Python
# *****************************************************************************
|
|
# * | File : epd2in7.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 = 176
|
|
EPD_HEIGHT = 264
|
|
|
|
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
|
|
|
|
lut_vcom_dc = [0x00, 0x00,
|
|
0x00, 0x08, 0x00, 0x00, 0x00, 0x02,
|
|
0x60, 0x28, 0x28, 0x00, 0x00, 0x01,
|
|
0x00, 0x14, 0x00, 0x00, 0x00, 0x01,
|
|
0x00, 0x12, 0x12, 0x00, 0x00, 0x01,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
|
|
]
|
|
lut_ww = [
|
|
0x40, 0x08, 0x00, 0x00, 0x00, 0x02,
|
|
0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
|
|
0x40, 0x14, 0x00, 0x00, 0x00, 0x01,
|
|
0xA0, 0x12, 0x12, 0x00, 0x00, 0x01,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
]
|
|
lut_bw = [
|
|
0x40, 0x08, 0x00, 0x00, 0x00, 0x02,
|
|
0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
|
|
0x40, 0x14, 0x00, 0x00, 0x00, 0x01,
|
|
0xA0, 0x12, 0x12, 0x00, 0x00, 0x01,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
]
|
|
lut_bb = [
|
|
0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
|
|
0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
|
|
0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
|
|
0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
]
|
|
lut_wb = [
|
|
0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
|
|
0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
|
|
0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
|
|
0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
]
|
|
###################full screen update LUT######################
|
|
#0~3 gray
|
|
gray_lut_vcom = [
|
|
0x00, 0x00,
|
|
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
|
|
gray_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
|
|
gray_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
|
|
gray_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
|
|
gray_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(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)
|
|
|
|
def ReadBusy(self):
|
|
logger.debug("e-Paper busy")
|
|
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
|
|
epdconfig.delay_ms(200)
|
|
logger.debug("e-Paper busy release")
|
|
|
|
def set_lut(self):
|
|
self.send_command(0x20) # vcom
|
|
for count in range(0, 44):
|
|
self.send_data(self.lut_vcom_dc[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)
|
|
for count in range(0, 44): #vcom
|
|
self.send_data(self.gray_lut_vcom[count])
|
|
|
|
self.send_command(0x21) #red not use
|
|
for count in range(0, 42):
|
|
self.send_data(self.gray_lut_ww[count])
|
|
|
|
self.send_command(0x22) #bw r
|
|
for count in range(0, 42):
|
|
self.send_data(self.gray_lut_bw[count])
|
|
|
|
self.send_command(0x23) #wb w
|
|
for count in range(0, 42):
|
|
self.send_data(self.gray_lut_wb[count])
|
|
|
|
self.send_command(0x24) #bb b
|
|
for count in range(0, 42):
|
|
self.send_data(self.gray_lut_bb[count])
|
|
|
|
self.send_command(0x25) #vcom
|
|
for count in range(0, 42):
|
|
self.send_data(self.gray_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_data(0x09) # VDHR
|
|
|
|
self.send_command(0x06) # BOOSTER_SOFT_START
|
|
self.send_data(0x07)
|
|
self.send_data(0x07)
|
|
self.send_data(0x17)
|
|
|
|
# Power optimization
|
|
self.send_command(0xF8)
|
|
self.send_data(0x60)
|
|
self.send_data(0xA5)
|
|
|
|
# Power optimization
|
|
self.send_command(0xF8)
|
|
self.send_data(0x89)
|
|
self.send_data(0xA5)
|
|
|
|
# Power optimization
|
|
self.send_command(0xF8)
|
|
self.send_data(0x90)
|
|
self.send_data(0x00)
|
|
|
|
# Power optimization
|
|
self.send_command(0xF8)
|
|
self.send_data(0x93)
|
|
self.send_data(0x2A)
|
|
|
|
# Power optimization
|
|
self.send_command(0xF8)
|
|
self.send_data(0xA0)
|
|
self.send_data(0xA5)
|
|
|
|
# Power optimization
|
|
self.send_command(0xF8)
|
|
self.send_data(0xA1)
|
|
self.send_data(0x00)
|
|
|
|
# Power optimization
|
|
self.send_command(0xF8)
|
|
self.send_data(0x73)
|
|
self.send_data(0x41)
|
|
|
|
self.send_command(0x16) # PARTIAL_DISPLAY_REFRESH
|
|
self.send_data(0x00)
|
|
self.send_command(0x04) # POWER_ON
|
|
self.ReadBusy()
|
|
|
|
self.send_command(0x00) # PANEL_SETTING
|
|
self.send_data(0xAF) # KW-BF KWR-AF BWROTP 0f
|
|
|
|
self.send_command(0x30) # PLL_CONTROL
|
|
self.send_data(0x3A) # 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
|
|
|
|
self.send_command(0X50) #VCOM AND DATA INTERVAL SETTING
|
|
self.send_data(0x57)
|
|
|
|
self.send_command(0x82) # VCM_DC_SETTING_REGISTER
|
|
self.send_data(0x12)
|
|
self.set_lut()
|
|
return 0
|
|
|
|
def Init_4Gray(self):
|
|
if (epdconfig.module_init() != 0):
|
|
return -1
|
|
self.reset()
|
|
|
|
self.send_command(0x01) #POWER SETTING
|
|
self.send_data (0x03)
|
|
self.send_data (0x00)
|
|
self.send_data (0x2b)
|
|
self.send_data (0x2b)
|
|
|
|
|
|
self.send_command(0x06) #booster soft start
|
|
self.send_data (0x07) #A
|
|
self.send_data (0x07) #B
|
|
self.send_data (0x17) #C
|
|
|
|
self.send_command(0xF8) #boost??
|
|
self.send_data (0x60)
|
|
self.send_data (0xA5)
|
|
|
|
self.send_command(0xF8) #boost??
|
|
self.send_data (0x89)
|
|
self.send_data (0xA5)
|
|
|
|
self.send_command(0xF8) #boost??
|
|
self.send_data (0x90)
|
|
self.send_data (0x00)
|
|
|
|
self.send_command(0xF8) #boost??
|
|
self.send_data (0x93)
|
|
self.send_data (0x2A)
|
|
|
|
self.send_command(0xF8) #boost??
|
|
self.send_data (0xa0)
|
|
self.send_data (0xa5)
|
|
|
|
self.send_command(0xF8) #boost??
|
|
self.send_data (0xa1)
|
|
self.send_data (0x00)
|
|
|
|
self.send_command(0xF8) #boost??
|
|
self.send_data (0x73)
|
|
self.send_data (0x41)
|
|
|
|
self.send_command(0x16)
|
|
self.send_data(0x00)
|
|
|
|
self.send_command(0x04)
|
|
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 (0x90) #100hz
|
|
|
|
self.send_command(0x61) #resolution setting
|
|
self.send_data (0x00) #176
|
|
self.send_data (0xb0)
|
|
self.send_data (0x01) #264
|
|
self.send_data (0x08)
|
|
|
|
self.send_command(0x82) #vcom_DC setting
|
|
self.send_data (0x12)
|
|
|
|
self.send_command(0X50) #VCOM AND DATA INTERVAL SETTING
|
|
self.send_data(0x57)
|
|
|
|
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 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 = self.height - x - 1
|
|
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, 5808): #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 |= 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, 5808): #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, color=0xFF):
|
|
self.send_command(0x10)
|
|
for i in range(0, int(self.width * self.height / 8)):
|
|
self.send_data(color)
|
|
self.send_command(0x13)
|
|
for i in range(0, int(self.width * self.height / 8)):
|
|
self.send_data(color)
|
|
self.send_command(0x12)
|
|
self.ReadBusy()
|
|
|
|
def sleep(self):
|
|
self.send_command(0X50)
|
|
self.send_data(0xf7)
|
|
self.send_command(0X02)
|
|
self.send_command(0X07)
|
|
self.send_data(0xA5)
|
|
|
|
epdconfig.delay_ms(2000)
|
|
epdconfig.module_exit()
|
|
### END OF FILE ###
|
|
|