e-paper-display/bcm2835-1.71/e-Paper/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd1in02.py

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 ###