e-paper-display/lib/waveshare_epd/epd7in5_V2_old.py

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2024-01-31 22:04:09 +00:00
# *****************************************************************************
# * | File : epd7in5.py
# * | Author : Waveshare team
# * | Function : Electronic paper driver
# * | Info :
# *----------------
# * | This version: V4.0
# * | 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 = 800
EPD_HEIGHT = 480
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
Voltage_Frame_7IN5_V2 = [
0x6, 0x3F, 0x3F, 0x11, 0x24, 0x7, 0x17,
]
LUT_VCOM_7IN5_V2 = [
0x0, 0xF, 0xF, 0x0, 0x0, 0x1,
0x0, 0xF, 0x1, 0xF, 0x1, 0x2,
0x0, 0xF, 0xF, 0x0, 0x0, 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,
]
LUT_WW_7IN5_V2 = [
0x10, 0xF, 0xF, 0x0, 0x0, 0x1,
0x84, 0xF, 0x1, 0xF, 0x1, 0x2,
0x20, 0xF, 0xF, 0x0, 0x0, 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,
]
LUT_BW_7IN5_V2 = [
0x10, 0xF, 0xF, 0x0, 0x0, 0x1,
0x84, 0xF, 0x1, 0xF, 0x1, 0x2,
0x20, 0xF, 0xF, 0x0, 0x0, 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,
]
LUT_WB_7IN5_V2 = [
0x80, 0xF, 0xF, 0x0, 0x0, 0x1,
0x84, 0xF, 0x1, 0xF, 0x1, 0x2,
0x40, 0xF, 0xF, 0x0, 0x0, 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,
]
LUT_BB_7IN5_V2 = [
0x80, 0xF, 0xF, 0x0, 0x0, 0x1,
0x84, 0xF, 0x1, 0xF, 0x1, 0x2,
0x40, 0xF, 0xF, 0x0, 0x0, 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,
]
Lut_all_fresh=[0x67, 0xBF, 0x3F, 0x0D, 0x00, 0x1C,
#VCOM
0x00, 0x32, 0x32, 0x00, 0x00, 0x01,
0x00, 0x0A, 0x0A, 0x00, 0x00, 0x00,
0x00, 0x28, 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,
#WW
0x60, 0x32, 0x32, 0x00, 0x00, 0x01,
0x60, 0x0A, 0x0A, 0x00, 0x00, 0x00,
0x80, 0x28, 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,
#BW
0x60, 0x32, 0x32, 0x00, 0x00, 0x01,
0x60, 0x0A, 0x0A, 0x00, 0x00, 0x00,
0x80, 0x28, 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,
#WB
0x90, 0x32, 0x32, 0x00, 0x00, 0x01,
0x60, 0x0A, 0x0A, 0x00, 0x00, 0x00,
0x40, 0x28, 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,
#BB
0x90, 0x32, 0x32, 0x00, 0x00, 0x01,
0x60, 0x0A, 0x0A, 0x00, 0x00, 0x00,
0x40, 0x28, 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,
#Reserved
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF,
]
Lut_partial=[0x67, 0xBF, 0x3F, 0x0D, 0x00, 0x1C,
#VCOM
0x00, 0x14, 0x02, 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,
#WW
0x20, 0x14, 0x02, 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,
#BW
0x80, 0x14, 0x02, 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,
#WB
0x40, 0x14, 0x02, 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,
#BB
0x00, 0x14, 0x02, 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,
#Reserved
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF,
]
# Hardware reset
def reset(self):
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(20)
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(2)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(20)
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 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")
self.send_command(0x71)
busy = epdconfig.digital_read(self.busy_pin)
while(busy == 0):
self.send_command(0x71)
busy = epdconfig.digital_read(self.busy_pin)
epdconfig.delay_ms(20)
logger.debug("e-Paper busy release")
def SetLut(self, lut_vcom, lut_ww, lut_bw, lut_wb, lut_bb):
self.send_command(0x20)
for count in range(0, 42):
self.send_data(lut_vcom[count])
self.send_command(0x21)
for count in range(0, 42):
self.send_data(lut_ww[count])
self.send_command(0x22)
for count in range(0, 42):
self.send_data(lut_bw[count])
self.send_command(0x23)
for count in range(0, 42):
self.send_data(lut_wb[count])
self.send_command(0x24)
for count in range(0, 42):
self.send_data(lut_bb[count])
def init(self):
if (epdconfig.module_init() != 0):
return -1
# EPD hardware init start
self.reset()
# self.send_command(0x06) # btst
# self.send_data(0x17)
# self.send_data(0x17)
# self.send_data(0x28) # If an exception is displayed, try using 0x38
# self.send_data(0x17)
# self.send_command(0x01) #POWER SETTING
# self.send_data(0x07)
# self.send_data(0x07) #VGH=20V,VGL=-20V
# self.send_data(0x3f) #VDH=15V
# self.send_data(0x3f) #VDL=-15V
self.send_command(0x01) # power setting
self.send_data(0x17) # 1-0=11: internal power
self.send_data(self.Voltage_Frame_7IN5_V2[6]) # VGH&VGL
self.send_data(self.Voltage_Frame_7IN5_V2[1]) # VSH
self.send_data(self.Voltage_Frame_7IN5_V2[2]) # VSL
self.send_data(self.Voltage_Frame_7IN5_V2[3]) # VSHR
self.send_command(0x82) # VCOM DC Setting
self.send_data(self.Voltage_Frame_7IN5_V2[4]) # VCOM
self.send_command(0x06) # Booster Setting
self.send_data(0x27)
self.send_data(0x27)
self.send_data(0x2F)
self.send_data(0x17)
self.send_command(0x30) # OSC Setting
self.send_data(self.Voltage_Frame_7IN5_V2[0]) # 3C=50Hz, 3A=100HZ
self.send_command(0x04) # POWER ON
epdconfig.delay_ms(100)
self.ReadBusy()
self.send_command(0X00) # PANNEL SETTING
self.send_data(0x3F) # KW-3f KWR-2F BWROTP-0f BWOTP-1f
self.send_command(0x61) # tres
self.send_data(0x03) # source 800
self.send_data(0x20)
self.send_data(0x01) # gate 480
self.send_data(0xE0)
self.send_command(0X15)
self.send_data(0x00)
self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
self.send_data(0x10)
self.send_data(0x07)
self.send_command(0X60) # TCON SETTING
self.send_data(0x22)
self.send_command(0x65) # Resolution setting
self.send_data(0x00)
self.send_data(0x00) # 800*480
self.send_data(0x00)
self.send_data(0x00)
self.SetLut(self.LUT_VCOM_7IN5_V2, self.LUT_WW_7IN5_V2, self.LUT_BW_7IN5_V2, self.LUT_WB_7IN5_V2, self.LUT_BB_7IN5_V2)
# EPD hardware init end
return 0
def Epaper_LUT_By_MCU(self,wavedata):
VCEND=wavedata[0]&0x08
BDEND=(wavedata[1]&0xC0)>>6
EVS=VCEND|BDEND
PLL=(wavedata[0]&0xF0)>>4
XON=wavedata[2]&0xC0
self.send_command(0x52) #EVS
self.send_data(EVS)
self.send_command(0x30) #PLL setting
self.send_data(PLL)
self.send_command(0x01) #Set VGH VGL VSH VSL VSHR
self.send_data (0x17)
self.send_data (wavedata[0]&0x07) #VGH/VGL Voltage Level selection
self.send_data (wavedata[1]&0x3F) #VSH for black
self.send_data (wavedata[2]&0x3F) #VSL for white
self.send_data (wavedata[3]&0x3F) #VSHR for red
self.send_command(0x2A) #LUTOPT
self.send_data(XON)
self.send_data(wavedata[4])
self.send_command(0x82) #VCOM_DC setting
self.send_data (wavedata[5]) #Vcom value
self.send_command(0x20)
self.send_data2(wavedata[6:48])
self.send_command(0x21)
self.send_data2(wavedata[48:90])
self.send_command(0x22)
self.send_data2(wavedata[90:132])
self.send_command(0x23)
self.send_data2(wavedata[132:174])
self.send_command(0x24)
self.send_data2(wavedata[174:216])
def init2(self):
if (epdconfig.module_init() != 0):
return -1
# EPD hardware init start
self.reset()
self.send_command(0x00) # Panel setting
self.send_data(0x3F)
self.send_command(0x06) # Booster Setting
self.send_data(0x17)
self.send_data(0x17)
self.send_data(0x28)
self.send_data(0x18)
self.send_command(0x50) # VCOM and DATA interval setting
self.send_data(0x22)
self.send_data(0x07)
self.send_command(0x60) # TCON setting
self.send_data(0x22) # S-G G-S
self.send_command(0x61) # Resolution setting
self.send_data(0x03)#800*480
self.send_data(0x20)
self.send_data(0x01)
self.send_data(0xE0)
self.send_command(0x65) # Resolution setting
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_command(0x04) #POWER ON
epdconfig.delay_ms(100)
self.ReadBusy()
return 0
def init_fast(self):
self.init2()
self.Epaper_LUT_By_MCU(self.Lut_all_fresh)
return 0
def init_part(self):
self.init2()
self.Epaper_LUT_By_MCU(self.Lut_partial)
return 0
def getbuffer(self, image):
img = image
imwidth, imheight = img.size
if(imwidth == self.width and imheight == self.height):
img = img.convert('1')
elif(imwidth == self.height and imheight == self.width):
# image has correct dimensions, but needs to be rotated
img = img.rotate(90, expand=True).convert('1')
else:
logger.warning("Wrong image dimensions: must be " + str(self.width) + "x" + str(self.height))
# return a blank buffer
return [0x00] * (int(self.width/8) * self.height)
buf = bytearray(img.tobytes('raw'))
# The bytes need to be inverted, because in the PIL world 0=black and 1=white, but
# in the e-paper world 0=white and 1=black.
for i in range(len(buf)):
buf[i] ^= 0xFF
return buf
def display(self, image):
if(self.width % 8 == 0):
Width = self.width // 8
else:
Width = self.width // 8 +1
Height = self.height
image1 = [0xFF] * int(self.width * self.height / 8)
for j in range(Height):
for i in range(Width):
image1[i + j * Width] = ~image[i + j * Width]
self.send_command(0x10)
self.send_data2(image1)
self.send_command(0x13)
self.send_data2(image)
self.send_command(0x12)
epdconfig.delay_ms(100)
self.ReadBusy()
def Clear(self):
self.send_command(0x10)
self.send_data2([0xFF] * int(self.width * self.height / 8))
self.send_command(0x13)
self.send_data2([0x00] * int(self.width * self.height / 8))
self.send_command(0x12)
epdconfig.delay_ms(100)
self.ReadBusy()
def display_Partial(self, Image, Xstart, Ystart, Xend, Yend):
if((Xstart % 8 + Xend % 8 == 8 & Xstart % 8 > Xend % 8) | Xstart % 8 + Xend % 8 == 0 | (Xend - Xstart)%8 == 0):
Xstart = Xstart // 8 * 8
Xend = Xend // 8 * 8
else:
Xstart = Xstart // 8 * 8
if Xend % 8 == 0:
Xend = Xend // 8 * 8
else:
Xend = Xend // 8 * 8 + 1
Width = (Xend - Xstart) // 8
Height = Yend - Ystart
self.send_command(0x50)
self.send_data(0xA9)
self.send_data(0x07)
self.send_command(0x91) #This command makes the display enter partial mode
self.send_command(0x90) #resolution setting
self.send_data (Xstart//256)
self.send_data (Xstart%256) #x-start
self.send_data ((Xend-1)//256)
self.send_data ((Xend-1)%256) #x-end
self.send_data (Ystart//256) #
self.send_data (Ystart%256) #y-start
self.send_data ((Yend-1)//256)
self.send_data ((Yend-1)%256) #y-end
self.send_data (0x01)
image1 = [0xFF] * int(self.width * self.height / 8)
for j in range(Height):
for i in range(Width):
image1[i + j * Width] = ~Image[i + j * Width]
self.send_command(0x13) #Write Black and White image to RAM
self.send_data2(image1)
self.send_command(0x12)
epdconfig.delay_ms(100)
self.ReadBusy()
def sleep(self):
self.send_command(0x02) # POWER_OFF
self.ReadBusy()
self.send_command(0x07) # DEEP_SLEEP
self.send_data(0XA5)
epdconfig.delay_ms(2000)
epdconfig.module_exit()
### END OF FILE ###