350 lines
12 KiB
Python
350 lines
12 KiB
Python
# *****************************************************************************
|
|
# * | File : epd1in54.py
|
|
# * | Author : Waveshare team
|
|
# * | Function : Electronic paper driver
|
|
# * | Info :
|
|
# *----------------
|
|
# * | This version: V1.0
|
|
# * | 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 = 80
|
|
EPD_HEIGHT = 128
|
|
|
|
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
|
|
|
|
#full screen update LUT
|
|
|
|
lut_w1 =[
|
|
0x60, 0x5A, 0x5A, 0x00, 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,
|
|
]
|
|
|
|
lut_b1 =[
|
|
0x90, 0x5A, 0x5A, 0x00, 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,
|
|
]
|
|
|
|
# partial screen update LUT
|
|
lut_w = [
|
|
0x60, 0x01, 0x01, 0x00, 0x00, 0x01,
|
|
0x80, 0x1f, 0x00, 0x00, 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,
|
|
]
|
|
|
|
lut_b = [
|
|
0x90, 0x01, 0x01, 0x00, 0x00, 0x01,
|
|
0x40, 0x1f, 0x00, 0x00, 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,
|
|
]
|
|
|
|
# Hardware reset
|
|
def reset(self):
|
|
epdconfig.digital_write(self.reset_pin, 1)
|
|
epdconfig.delay_ms(200)
|
|
epdconfig.digital_write(self.reset_pin, 0) # module reset
|
|
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)
|
|
|
|
def ReadBusy(self):
|
|
logger.debug("e-Paper busy")
|
|
self.send_command(0x71)
|
|
busy = epdconfig.digital_read(self.busy_pin)
|
|
busy =not(busy & 0x01)
|
|
while(busy):
|
|
self.send_command(0x71)
|
|
busy = epdconfig.digital_read(self.busy_pin)
|
|
busy =not(busy & 0x01)
|
|
epdconfig.delay_ms(800)
|
|
logger.debug("e-Paper busy release")
|
|
|
|
def TurnOnDisplay(self):
|
|
self.send_command(0x12)
|
|
epdconfig.delay_ms(10)
|
|
self.ReadBusy()
|
|
|
|
def SetFulltReg(self):
|
|
self.send_command(0x23)
|
|
for count in range(0, 42):
|
|
self.send_data(self.lut_w1[count])
|
|
|
|
self.send_command(0x24)
|
|
for count in range(0, 42):
|
|
self.send_data(self.lut_b1[count])
|
|
|
|
def SetPartReg(self):
|
|
self.send_command(0x23)
|
|
for count in range(0, 42):
|
|
self.send_data(self.lut_w[count])
|
|
|
|
self.send_command(0x24)
|
|
for count in range(0, 42):
|
|
self.send_data(self.lut_b[count])
|
|
|
|
def Init(self):
|
|
if (epdconfig.module_init() != 0):
|
|
return -1
|
|
# EPD hardware init start
|
|
self.reset()
|
|
|
|
self.send_command(0xD2)
|
|
self.send_data(0x3F)
|
|
|
|
self.send_command(0x00)
|
|
self.send_data (0x6F) #from outside
|
|
|
|
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) #Configuring the charge pump
|
|
self.send_data(0x3f)
|
|
|
|
self.send_command(0x2A) #Setting XON and the options of LUT
|
|
self.send_data(0x00)
|
|
self.send_data(0x00)
|
|
|
|
self.send_command(0x30) #Set the clock frequency
|
|
self.send_data(0x17) #50Hz
|
|
|
|
self.send_command(0x50) #Set VCOM and data output interval
|
|
self.send_data(0x57)
|
|
|
|
self.send_command(0x60) #Set The non-overlapping period of Gate and Source.
|
|
self.send_data(0x22)
|
|
|
|
self.send_command(0x61) #resolution setting
|
|
self.send_data (0x50) #source 128
|
|
self.send_data (0x80)
|
|
|
|
self.send_command(0x82) #sets VCOM_DC value
|
|
self.send_data(0x12) #-1v
|
|
|
|
self.send_command(0xe3)#Set POWER SAVING
|
|
self.send_data(0x33)
|
|
self.SetFulltReg()
|
|
self.send_command(0x04) #power on
|
|
self.ReadBusy()
|
|
# EPD hardware init end
|
|
return 0
|
|
|
|
def Partial_Init(self):
|
|
self.reset()
|
|
|
|
self.send_command(0xD2)
|
|
self.send_data(0x3F)
|
|
|
|
self.send_command(0x00)
|
|
self.send_data (0x6F) #from outside
|
|
|
|
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) #Configuring the charge pump
|
|
self.send_data(0x3f)
|
|
|
|
self.send_command(0x2A) #Setting XON and the options of LUT
|
|
self.send_data(0x00)
|
|
self.send_data(0x00)
|
|
|
|
self.send_command(0x30) #Set the clock frequency
|
|
self.send_data(0x17)
|
|
|
|
self.send_command(0x50) #Set VCOM and data output interval
|
|
self.send_data(0xf2)
|
|
|
|
self.send_command(0x60) #Set The non-overlapping period of Gate and Source.
|
|
self.send_data(0x22)
|
|
|
|
self.send_command(0x82) #Set VCOM_DC value
|
|
self.send_data(0x12)#-1v
|
|
|
|
self.send_command(0xe3)#Set POWER SAVING
|
|
self.send_data(0x33)
|
|
|
|
self.SetPartReg()
|
|
|
|
self.send_command(0x04)#Set POWER SAVING
|
|
self.ReadBusy()
|
|
# EPD hardware init end
|
|
return 0
|
|
|
|
def getbuffer(self, image):
|
|
buf = [0xFF] * (int(self.width / 8) * self.height)
|
|
image_monocolor = image.convert('1')
|
|
imwidth, imheight = image_monocolor.size
|
|
pixels = image_monocolor.load()
|
|
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 display(self, image):
|
|
if (image == None):
|
|
return
|
|
# Width = (self.width % 8 == 0)? (self.width / 8 ): (self.width / 8 + 1)
|
|
if(self.width % 8 == 0):
|
|
Width = self.width / 8
|
|
else:
|
|
Width = self.width / 8 + 1
|
|
|
|
self.send_command(0x10)
|
|
for j in range(0, self.height):
|
|
for i in range(0, int(Width)):
|
|
self.send_data(0xff)
|
|
|
|
self.send_command(0x13)
|
|
for j in range(0, self.height):
|
|
for i in range(0, int(Width)):
|
|
self.send_data(image[i + j * int(Width)])
|
|
self.TurnOnDisplay()
|
|
|
|
def Clear(self):
|
|
# Width = (self.width % 8 == 0)? (self.width / 8 ): (self.width / 8 + 1)
|
|
if(self.width % 8 == 0):
|
|
Width = self.width / 8
|
|
else:
|
|
Width = self.width / 8 + 1
|
|
|
|
Height = self.height
|
|
|
|
self.send_command(0x10)
|
|
for j in range(0, Height):
|
|
for i in range(0, int(Width)):
|
|
self.send_data(0x00)
|
|
|
|
self.send_command(0x13)
|
|
for j in range(0, Height):
|
|
for i in range(0, int(Width)):
|
|
self.send_data(0xff)
|
|
self.TurnOnDisplay()
|
|
|
|
def DisplayPartial(self, old_Image, Image):
|
|
|
|
# Set partial Windows */
|
|
self.send_command(0x91) #This command makes the display enter partial mode
|
|
self.send_command(0x90) #resolution setting
|
|
self.send_data(0) #x-start
|
|
self.send_data(79) #x-end
|
|
|
|
self.send_data(0)
|
|
self.send_data(127) #y-end
|
|
self.send_data(0x00)
|
|
|
|
# Width = (self.width % 8 == 0)? (self.width / 8 ): (self.width / 8 + 1)
|
|
if(self.width % 8 == 0):
|
|
Width = self.width / 8
|
|
else:
|
|
Width = self.width / 8 + 1
|
|
|
|
Height = self.height
|
|
# send data
|
|
self.send_command(0x10)
|
|
for j in range(0, Height):
|
|
for i in range(0, int(Width)):
|
|
self.send_data(old_Image[i + j * int(Width)])
|
|
|
|
self.send_command(0x13)
|
|
for j in range(0, Height):
|
|
for i in range(0, int(Width)):
|
|
self.send_data(Image[i + j * int(Width)])
|
|
|
|
# Set partial refresh
|
|
self.TurnOnDisplay()
|
|
|
|
def Sleep(self):
|
|
self.send_command(0x50)
|
|
self.send_data(0xf7)
|
|
self.send_command(0x02)
|
|
self.ReadBusy()
|
|
self.send_command(0x07)
|
|
self.send_data(0xA5)
|
|
epdconfig.delay_ms(200)
|
|
|
|
epdconfig.delay_ms(2000)
|
|
epdconfig.module_exit()
|
|
|
|
### END OF FILE ###
|
|
|