317 lines
11 KiB
Python
317 lines
11 KiB
Python
|
# *****************************************************************************
|
||
|
|
# * | File : epd1in54_V2.py
|
||
|
|
# * | Author : Waveshare team
|
||
|
|
# * | Function : Electronic paper driver
|
||
|
|
# * | Info :
|
||
|
|
# *----------------
|
||
|
|
# * | This version: V1
|
||
|
|
# * | 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 = 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)
|
||
|
|
|
||
|
|
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
|
||
|
|
for i in range(0, len(lut)):
|
||
|
|
self.send_data(lut[i])
|
||
|
|
|
||
|
|
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
|
||
|
|
|
||
|
|
def Clear(self, color):
|
||
|
|
self.send_command(0x24)
|
||
|
|
for j in range(0, self.height):
|
||
|
|
for i in range(0, int(self.width / 8)):
|
||
|
|
self.send_data(color)
|
||
|
|
|
||
|
|
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)
|
||
|
|
for j in range(0, self.height):
|
||
|
|
for i in range(0, int(self.width / 8)):
|
||
|
|
self.send_data(image[i + j * int(self.width / 8)])
|
||
|
|
self.TurnOnDisplay()
|
||
|
|
|
||
|
|
def displayPartBaseImage(self, image):
|
||
|
|
if (image == None):
|
||
|
|
return
|
||
|
|
|
||
|
|
self.send_command(0x24)
|
||
|
|
for j in range(0, self.height):
|
||
|
|
for i in range(0, int(self.width / 8)):
|
||
|
|
self.send_data(image[i + j * int(self.width / 8)])
|
||
|
|
|
||
|
|
self.send_command(0x26)
|
||
|
|
for j in range(0, self.height):
|
||
|
|
for i in range(0, int(self.width / 8)):
|
||
|
|
self.send_data(image[i + j * int(self.width / 8)])
|
||
|
|
|
||
|
|
self.TurnOnDisplay()
|
||
|
|
|
||
|
|
def displayPart(self, image):
|
||
|
|
if (image == None):
|
||
|
|
return
|
||
|
|
|
||
|
|
self.send_command(0x24)
|
||
|
|
for j in range(0, self.height):
|
||
|
|
for i in range(0, int(self.width / 8)):
|
||
|
|
self.send_data(image[i + j * int(self.width / 8)])
|
||
|
|
|
||
|
|
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 ###
|
||
|
|
|