"""
* | File : epd_12_in_48_colour.py
* | Author : Waveshare electrices, modified by Sebastien Harnist
* | Function : Hardware underlying interface
* | Info :
*----------------
* | This version: V1.1
* | Date : 2022-11-23
* | Info :
******************************************************************************/
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 time
from inkycal.display.drivers import epdconfig_12_in_48 as epdconfig
EPD_WIDTH = 1304
EPD_HEIGHT = 984
class EPD(object):
def __init__(self):
self.width = EPD_WIDTH
self.height = EPD_HEIGHT
self.EPD_M1_CS_PIN = epdconfig.EPD_M1_CS_PIN
self.EPD_S1_CS_PIN = epdconfig.EPD_S1_CS_PIN
self.EPD_M2_CS_PIN = epdconfig.EPD_M2_CS_PIN
self.EPD_S2_CS_PIN = epdconfig.EPD_S2_CS_PIN
self.EPD_M1S1_DC_PIN = epdconfig.EPD_M1S1_DC_PIN
self.EPD_M2S2_DC_PIN = epdconfig.EPD_M2S2_DC_PIN
self.EPD_M1S1_RST_PIN = epdconfig.EPD_M1S1_RST_PIN
self.EPD_M2S2_RST_PIN = epdconfig.EPD_M2S2_RST_PIN
self.EPD_M1_BUSY_PIN = epdconfig.EPD_M1_BUSY_PIN
self.EPD_S1_BUSY_PIN = epdconfig.EPD_S1_BUSY_PIN
self.EPD_M2_BUSY_PIN = epdconfig.EPD_M2_BUSY_PIN
self.EPD_S2_BUSY_PIN = epdconfig.EPD_S2_BUSY_PIN
def init(self):
print("EPD init...")
epdconfig.module_init()
epdconfig.digital_write(self.EPD_M1_CS_PIN, 1)
epdconfig.digital_write(self.EPD_S1_CS_PIN, 1)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)
epdconfig.digital_write(self.EPD_S2_CS_PIN, 1)
self.Reset()
# panel setting for Display
self.M1_SendCommand(0x00)
self.M1_SendData(0x0f) # KW-3f KWR-2F BWROTP 0f BWOTP 1f
self.S1_SendCommand(0x00)
self.S1_SendData(0x0f)
self.M2_SendCommand(0x00)
self.M2_SendData(0x03)
self.S2_SendCommand(0x00)
self.S2_SendData(0x03)
# booster soft start
self.M1_SendCommand(0x06)
self.M1_SendData(0x17) # A
self.M1_SendData(0x17) # B
self.M1_SendData(0x39) # C
self.M1_SendData(0x17)
self.M2_SendCommand(0x06)
self.M2_SendData(0x17)
self.M2_SendData(0x17)
self.M2_SendData(0x39)
self.M2_SendData(0x17)
# resolution setting
self.M1_SendCommand(0x61)
self.M1_SendData(0x02)
self.M1_SendData(0x88) # source 648
self.M1_SendData(0x01) # gate 492
self.M1_SendData(0xEC)
self.S1_SendCommand(0x61)
self.S1_SendData(0x02)
self.S1_SendData(0x90) # source 656
self.S1_SendData(0x01) # gate 492
self.S1_SendData(0xEC)
self.M2_SendCommand(0x61)
self.M2_SendData(0x02)
self.M2_SendData(0x90) # source 656
self.M2_SendData(0x01) # gate 492
self.M2_SendData(0xEC)
self.S2_SendCommand(0x61)
self.S2_SendData(0x02)
self.S2_SendData(0x88) # source 648
self.S2_SendData(0x01) # gate 492
self.S2_SendData(0xEC)
self.M1S1M2S2_SendCommand(0x15) # DUSPI
self.M1S1M2S2_SendData(0x20)
self.M1S1M2S2_SendCommand(0x50) # Vcom and data interval setting
self.M1S1M2S2_SendData(0x11)
self.M1S1M2S2_SendData(0x07)
self.M1S1M2S2_SendCommand(0x60) # TCON
self.M1S1M2S2_SendData(0x22)
self.M1S1M2S2_SendCommand(0xE3)
self.M1S1M2S2_SendData(0x00)
self.M1_ReadTemperature()
self.SetLut()
def getbuffer(self, image):
# logging.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()
if (imwidth == self.width and imheight == self.height):
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):
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, blackbuf, redbuf):
# S2 part 648*492
self.S2_SendCommand(0x10)
for y in range(0, 492):
for x in range(0, 81):
self.S2_SendData(blackbuf[y * 163 + x])
self.S2_SendCommand(0x13)
for y in range(0, 492):
for x in range(0, 81):
self.S2_SendData(~redbuf[y * 163 + x])
# M2 part 656*492
self.M2_SendCommand(0x10)
for y in range(0, 492):
for x in range(81, 163):
self.M2_SendData(blackbuf[y * 163 + x])
self.M2_SendCommand(0x13)
for y in range(0, 492):
for x in range(81, 163):
self.M2_SendData(~redbuf[y * 163 + x])
# M1 part 648*492
self.M1_SendCommand(0x10)
for y in range(492, 984):
for x in range(0, 81):
self.M1_SendData(blackbuf[y * 163 + x])
self.M1_SendCommand(0x13)
for y in range(492, 984):
for x in range(0, 81):
self.M1_SendData(~redbuf[y * 163 + x])
# S1 part 656*492
self.S1_SendCommand(0x10)
for y in range(492, 984):
for x in range(81, 163):
self.S1_SendData(blackbuf[y * 163 + x])
self.S1_SendCommand(0x13)
for y in range(492, 984):
for x in range(81, 163):
self.S1_SendData(~redbuf[y * 163 + x])
self.TurnOnDisplay()
def clear(self):
"""Clear contents of image buffer"""
self.S2_SendCommand(0x10)
for y in range(0, 492):
for x in range(0, 81):
self.S2_SendData(0xff)
self.S2_SendCommand(0x13)
for y in range(0, 492):
for x in range(0, 81):
self.S2_SendData(0x00)
self.M2_SendCommand(0x10)
for y in range(0, 492):
for x in range(81, 163):
self.M2_SendData(0xff)
self.M2_SendCommand(0x13)
for y in range(0, 492):
for x in range(81, 163):
self.M2_SendData(0x00)
self.M1_SendCommand(0x10)
for y in range(492, 984):
for x in range(0, 81):
self.M1_SendData(0xff)
self.M1_SendCommand(0x13)
for y in range(492, 984):
for x in range(0, 81):
self.M1_SendData(0x00)
self.S1_SendCommand(0x10)
for y in range(492, 984):
for x in range(81, 163):
self.S1_SendData(0xff)
self.S1_SendCommand(0x13)
for y in range(492, 984):
for x in range(81, 163):
self.S1_SendData(0x00)
self.TurnOnDisplay()
def Reset(self):
epdconfig.digital_write(self.EPD_M1S1_RST_PIN, 1)
epdconfig.digital_write(self.EPD_M2S2_RST_PIN, 1)
time.sleep(0.2)
epdconfig.digital_write(self.EPD_M1S1_RST_PIN, 0)
epdconfig.digital_write(self.EPD_M2S2_RST_PIN, 0)
time.sleep(0.01)
epdconfig.digital_write(self.EPD_M1S1_RST_PIN, 1)
epdconfig.digital_write(self.EPD_M2S2_RST_PIN, 1)
time.sleep(0.2)
def sleep(self):
self.M1S1M2S2_SendCommand(0X02)
time.sleep(0.3)
self.M1S1M2S2_SendCommand(0X07)
self.M1S1M2S2_SendData(0xA5)
time.sleep(0.3)
print("module_exit")
epdconfig.module_exit()
def TurnOnDisplay(self):
self.M1M2_SendCommand(0x04)
time.sleep(0.3)
self.M1S1M2S2_SendCommand(0x12)
self.M1_ReadBusy()
self.S1_ReadBusy()
self.M2_ReadBusy()
self.S2_ReadBusy()
""" M1S1M2S2 Write register address and data """
def M1S1M2S2_SendCommand(self, cmd):
epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 0)
epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 0)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 0)
epdconfig.digital_write(self.EPD_S1_CS_PIN, 0)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 0)
epdconfig.digital_write(self.EPD_S2_CS_PIN, 0)
epdconfig.spi_writebyte(cmd)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 1)
epdconfig.digital_write(self.EPD_S1_CS_PIN, 1)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)
epdconfig.digital_write(self.EPD_S2_CS_PIN, 1)
def M1S1M2S2_SendData(self, val):
epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 1)
epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 1)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 0)
epdconfig.digital_write(self.EPD_S1_CS_PIN, 0)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 0)
epdconfig.digital_write(self.EPD_S2_CS_PIN, 0)
epdconfig.spi_writebyte(val)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 1)
epdconfig.digital_write(self.EPD_S1_CS_PIN, 1)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)
epdconfig.digital_write(self.EPD_S2_CS_PIN, 1)
""" M1M2 Write register address and data """
def M1M2_SendCommand(self, cmd):
epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 0)
epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 0)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 0)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 0)
epdconfig.spi_writebyte(cmd)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 1)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)
def M1M2_Sendata(self, val):
epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 1)
epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 1)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 0)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 0)
epdconfig.spi_writebyte(val)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 1)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)
""" S2 Write register address and data """
def S2_SendCommand(self, cmd):
epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 0)
epdconfig.digital_write(self.EPD_S2_CS_PIN, 0)
epdconfig.spi_writebyte(cmd)
epdconfig.digital_write(self.EPD_S2_CS_PIN, 1)
def S2_SendData(self, val):
epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 1)
epdconfig.digital_write(self.EPD_S2_CS_PIN, 0)
epdconfig.spi_writebyte(val)
epdconfig.digital_write(self.EPD_S2_CS_PIN, 1)
""" M2 Write register address and data """
def M2_SendCommand(self, cmd):
epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 0)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 0)
epdconfig.spi_writebyte(cmd)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)
def M2_SendData(self, val):
epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 1)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 0)
epdconfig.spi_writebyte(val)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)
""" S1 Write register address and data """
def S1_SendCommand(self, cmd):
epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 0)
epdconfig.digital_write(self.EPD_S1_CS_PIN, 0)
epdconfig.spi_writebyte(cmd)
epdconfig.digital_write(self.EPD_S1_CS_PIN, 1)
def S1_SendData(self, val):
epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 1)
epdconfig.digital_write(self.EPD_S1_CS_PIN, 0)
epdconfig.spi_writebyte(val)
epdconfig.digital_write(self.EPD_S1_CS_PIN, 1)
""" M1 Write register address and data """
def M1_SendCommand(self, cmd):
epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 0)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 0)
epdconfig.spi_writebyte(cmd)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 1)
def M1_SendData(self, val):
epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 1)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 0)
epdconfig.spi_writebyte(val)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 1)
# Busy
def M1_ReadBusy(self):
self.M1_SendCommand(0x71)
busy = epdconfig.digital_read(self.EPD_M1_BUSY_PIN)
busy = not (busy & 0x01)
while (busy):
self.M1_SendCommand(0x71)
busy = epdconfig.digital_read(self.EPD_M1_BUSY_PIN)
busy = not (busy & 0x01)
time.sleep(0.2)
def M2_ReadBusy(self):
self.M2_SendCommand(0x71)
busy = epdconfig.digital_read(self.EPD_M2_BUSY_PIN)
busy = not (busy & 0x01)
self.M2_SendCommand(0x71)
while (busy):
self.M2_SendCommand(0x71)
busy = epdconfig.digital_read(self.EPD_M2_BUSY_PIN)
busy = not (busy & 0x01)
time.sleep(0.2)
def S1_ReadBusy(self):
self.S1_SendCommand(0x71)
busy = epdconfig.digital_read(self.EPD_S1_BUSY_PIN)
busy = not (busy & 0x01)
while (busy):
self.S1_SendCommand(0x71)
busy = epdconfig.digital_read(self.EPD_S1_BUSY_PIN)
busy = not (busy & 0x01)
time.sleep(0.2)
def S2_ReadBusy(self):
self.S2_SendCommand(0x71)
busy = epdconfig.digital_read(self.EPD_S2_BUSY_PIN)
busy = not (busy & 0x01)
while (busy):
self.S2_SendCommand(0x71)
busy = epdconfig.digital_read(self.EPD_S2_BUSY_PIN)
busy = not (busy & 0x01)
time.sleep(0.2)
lut_vcom1 = [
0x00, 0x10, 0x10, 0x01, 0x08, 0x01,
0x00, 0x06, 0x01, 0x06, 0x01, 0x05,
0x00, 0x08, 0x01, 0x08, 0x01, 0x06,
0x00, 0x06, 0x01, 0x06, 0x01, 0x05,
0x00, 0x05, 0x01, 0x1E, 0x0F, 0x06,
0x00, 0x05, 0x01, 0x1E, 0x0F, 0x01,
0x00, 0x04, 0x05, 0x08, 0x08, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_ww1 = [
0x91, 0x10, 0x10, 0x01, 0x08, 0x01,
0x04, 0x06, 0x01, 0x06, 0x01, 0x05,
0x84, 0x08, 0x01, 0x08, 0x01, 0x06,
0x80, 0x06, 0x01, 0x06, 0x01, 0x05,
0x00, 0x05, 0x01, 0x1E, 0x0F, 0x06,
0x00, 0x05, 0x01, 0x1E, 0x0F, 0x01,
0x08, 0x04, 0x05, 0x08, 0x08, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_bw1 = [
0xA8, 0x10, 0x10, 0x01, 0x08, 0x01,
0x84, 0x06, 0x01, 0x06, 0x01, 0x05,
0x84, 0x08, 0x01, 0x08, 0x01, 0x06,
0x86, 0x06, 0x01, 0x06, 0x01, 0x05,
0x8C, 0x05, 0x01, 0x1E, 0x0F, 0x06,
0x8C, 0x05, 0x01, 0x1E, 0x0F, 0x01,
0xF0, 0x04, 0x05, 0x08, 0x08, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_wb1 = [
0x91, 0x10, 0x10, 0x01, 0x08, 0x01,
0x04, 0x06, 0x01, 0x06, 0x01, 0x05,
0x84, 0x08, 0x01, 0x08, 0x01, 0x06,
0x80, 0x06, 0x01, 0x06, 0x01, 0x05,
0x00, 0x05, 0x01, 0x1E, 0x0F, 0x06,
0x00, 0x05, 0x01, 0x1E, 0x0F, 0x01,
0x08, 0x04, 0x05, 0x08, 0x08, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
lut_bb1 = [
0x92, 0x10, 0x10, 0x01, 0x08, 0x01,
0x80, 0x06, 0x01, 0x06, 0x01, 0x05,
0x84, 0x08, 0x01, 0x08, 0x01, 0x06,
0x04, 0x06, 0x01, 0x06, 0x01, 0x05,
0x00, 0x05, 0x01, 0x1E, 0x0F, 0x06,
0x00, 0x05, 0x01, 0x1E, 0x0F, 0x01,
0x01, 0x04, 0x05, 0x08, 0x08, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
]
def SetLut(self):
self.M1S1M2S2_SendCommand(0x20) # vcom
for count in range(0, 60):
self.M1S1M2S2_SendData(self.lut_vcom1[count])
self.M1S1M2S2_SendCommand(0x21) # red not use
for count in range(0, 60):
self.M1S1M2S2_SendData(self.lut_ww1[count])
self.M1S1M2S2_SendCommand(0x22) # bw r
for count in range(0, 60):
self.M1S1M2S2_SendData(self.lut_bw1[count]) # bw=r
self.M1S1M2S2_SendCommand(0x23) # wb w
for count in range(0, 60):
self.M1S1M2S2_SendData(self.lut_wb1[count]) # wb=w
self.M1S1M2S2_SendCommand(0x24) # bb b
for count in range(0, 60):
self.M1S1M2S2_SendData(self.lut_bb1[count]) # bb=b
self.M1S1M2S2_SendCommand(0x25) # bb b
for count in range(0, 60):
self.M1S1M2S2_SendData(self.lut_ww1[count]) # bb=b
def M1_ReadTemperature(self):
self.M1_SendCommand(0x40)
self.M1_ReadBusy()
time.sleep(0.3)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 0)
epdconfig.digital_write(self.EPD_S1_CS_PIN, 1)
epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)
epdconfig.digital_write(self.EPD_S2_CS_PIN, 1)
epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 1)
time.sleep(0.05)
temp = epdconfig.spi_readbyte(0x00)
epdconfig.digital_write(self.EPD_M1_CS_PIN, 1)
self.M1S1M2S2_SendCommand(0xE0)
self.M1S1M2S2_SendData(0x03)
self.M1S1M2S2_SendCommand(0xE5)
self.M1S1M2S2_SendData(temp)