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e-paper-display/lib/waveshare_epd/epd1in54_V2.py

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initial commit
2022-10-17 20:30:57 +00:00
# *****************************************************************************
# * | File : epd1in54_V2.py
# * | Author : Waveshare team
# * | Function : Electronic paper driver
# * | Info :
# *----------------
# * | This version: V1.1
# * | Date : 2022-08-10
# # | 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 = 200
EPD_HEIGHT = 200
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
# waveform full refresh
WF_Full_1IN54 = [
0x80, 0x48, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x80, 0x48, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0xA, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x8, 0x1, 0x0, 0x8, 0x1, 0x0, 0x2,
0xA, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0,
0x22, 0x17, 0x41, 0x0, 0x32, 0x20
]
# waveform partial refresh(fast)
WF_PARTIAL_1IN54_0 = [
0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x40,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0xF,0x0,0x0,0x0,0x0,0x0,0x0,
0x1,0x1,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
0x02,0x17,0x41,0xB0,0x32,0x28,
]
# 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)
# 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):
logger.debug("e-Paper busy")
while(epdconfig.digital_read(self.busy_pin) == 1):
epdconfig.delay_ms(20)
logger.debug("e-Paper busy release")
def TurnOnDisplay(self):
self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
self.send_data(0xc7)
self.send_command(0x20) # MASTER_ACTIVATION
self.ReadBusy()
def TurnOnDisplayPart(self):
self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
self.send_data(0xcF)
self.send_command(0x20) # MASTER_ACTIVATION
self.ReadBusy()
def lut(self, lut):
self.send_command(0x32) # WRITE_LUT_REGISTER
self.send_data2(lut)
def set_lut(self, lut):
self.lut(lut)
self.send_command(0x3f)
self.send_data(lut[153])
self.send_command(0x03)
self.send_data(lut[154])
self.send_command(0x04)
self.send_data(lut[155])
self.send_data(lut[156])
self.send_data(lut[157])
self.send_command(0x2c)
self.send_data(lut[158])
def SetWindows(self, Xstart, Ystart, Xend, Yend):
self.send_command(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION
self.send_data((Xstart>>3) & 0xFF)
self.send_data((Xend>>3) & 0xFF)
self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION
self.send_data(Ystart & 0xFF)
self.send_data((Ystart >> 8) & 0xFF)
self.send_data(Yend & 0xFF)
self.send_data((Yend >> 8) & 0xFF)
def SetCursor(self, Xstart, Ystart):
self.send_command(0x4E); # SET_RAM_X_ADDRESS_COUNTER
self.send_data(Xstart & 0xFF);
self.send_command(0x4F); # SET_RAM_Y_ADDRESS_COUNTER
self.send_data(Ystart & 0xFF);
self.send_data((Ystart >> 8) & 0xFF);
def init(self, isPartial):
if (epdconfig.module_init() != 0):
return -1
if(isPartial):
logger.debug("partial refresh")
self.reset()
self.ReadBusy()
self.set_lut(self.WF_PARTIAL_1IN54_0)
self.send_command(0x37)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x40)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_command(0x3c) # BorderWavefrom
self.send_data(0x80)
self.send_command(0x22)
self.send_data(0xc0)
self.send_command(0x20)
self.ReadBusy()
else:
logger.debug("full refresh")
# EPD hardware init start
self.reset()
self.ReadBusy()
self.send_command(0x12) # SWRESET (software reset)
self.ReadBusy()
self.send_command(0x01) # DRIVER_OUTPUT_CONTROL
self.send_data(0xC7) # (EPD_HEIGHT - 1) & 0xFF
self.send_data(0x00) # ((EPD_HEIGHT - 1) >> 8) & 0xFF
self.send_data(0x01) # GD = 0 SM = 0 TB = 0
self.send_command(0x11) # data entry mode
self.send_data(0x01)
self.SetWindows(0, self.height-1, self.width-1, 0) # Set Windows
self.send_command(0x3C) # BorderWavefrom
self.send_data(0x01)
self.send_command(0x18)
self.send_data(0x80)
self.send_command(0x22) # #Load Temperature and waveform setting.
self.send_data(0XB1)
self.send_command(0x20)
self.SetCursor(0, self.height-1) # Set Cursor
self.ReadBusy()
self.set_lut(self.WF_Full_1IN54) # Set lut
add needed resources
2024-01-31 22:04:09 +00:00
def Clear(self, color=0xFF):
initial commit
2022-10-17 20:30:57 +00:00
if self.width%8 == 0:
linewidth = int(self.width/8)
else:
linewidth = int(self.width/8) + 1
self.send_command(0x24)
self.send_data2([color] * self.height * linewidth)
self.TurnOnDisplay()
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
self.send_command(0x24)
self.send_data2(image)
self.TurnOnDisplay()
def displayPartBaseImage(self, image):
if (image == None):
return
self.send_command(0x24)
self.send_data2(image)
self.send_command(0x26)
self.send_data2(image)
self.TurnOnDisplay()
def displayPart(self, image):
if (image == None):
return
self.send_command(0x24)
self.send_data2(image)
self.TurnOnDisplayPart()
def sleep(self):
self.send_command(0x10) # DEEP_SLEEP_MODE
self.send_data(0x01)
epdconfig.delay_ms(2000)
epdconfig.module_exit()
### END OF FILE ###
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