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Updated driver for 7.5" v2 colour

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Ace 2023-12-18 12:54:32 +01:00
parent e710964e10
commit c656b3a562
1 changed files with 74 additions and 61 deletions
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135
inkycal/display/drivers/epd_7_in_5_v2_colour.py
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@ -1,40 +1,43 @@
""" # *****************************************************************************
* | File : epd7in5bc.py # * | File : epd7in5b_V2.py
* | Author : Waveshare team # * | Author : Waveshare team
* | Function : Electronic paper driver # * | Function : Electronic paper driver
* | Info : # * | Info :
*---------------- # *----------------
* | This version: V4.0 # * | This version: V4.2
* | Date : 2019-06-20 # * | Date : 2022-01-08
# | Info : python demo # # | Info : python demo
----------------------------------------------------------------------------- # -----------------------------------------------------------------------------
Permission is hereby granted, free of charge, to any person obtaining a copy # Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documnetation files (the "Software"), to deal # of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights # in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is # copies of the Software, and to permit persons to whom the Software is
furished to do so, subject to the following conditions: # 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.
#
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 import logging
from inkycal.display.drivers import epdconfig from . import epdconfig
# Display resolution # Display resolution
EPD_WIDTH = 800 EPD_WIDTH = 800
EPD_HEIGHT = 480 EPD_HEIGHT = 480
logger = logging.getLogger(__name__)
class EPD: class EPD:
def __init__(self): def __init__(self):
@ -66,17 +69,24 @@ class EPD:
epdconfig.spi_writebyte([data]) epdconfig.spi_writebyte([data])
epdconfig.digital_write(self.cs_pin, 1) epdconfig.digital_write(self.cs_pin, 1)
def send_data2(self, data): # faster
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): def ReadBusy(self):
logging.debug("e-Paper busy") logger.debug("e-Paper busy")
self.send_command(0x71) self.send_command(0x71)
busy = epdconfig.digital_read(self.busy_pin) busy = epdconfig.digital_read(self.busy_pin)
while (busy == 0): while (busy == 0):
self.send_command(0x71) self.send_command(0x71)
busy = epdconfig.digital_read(self.busy_pin) busy = epdconfig.digital_read(self.busy_pin)
epdconfig.delay_ms(200) epdconfig.delay_ms(200)
logger.debug("e-Paper busy release")
def init(self): def init(self):
if (epdconfig.module_init() != 0): if epdconfig.module_init() != 0:
return -1 return -1
self.reset() self.reset()
@ -92,7 +102,7 @@ class EPD:
self.ReadBusy() self.ReadBusy()
self.send_command(0X00) # PANNEL SETTING self.send_command(0X00) # PANNEL SETTING
self.send_data(0x0F) # KW-3f KWR-2F BWROTP 0f BWOTP 1f self.send_data(0x0F) # KW-3f KWR-2F BWROTP-0f BWOTP-1f
self.send_command(0x61) # tres self.send_command(0x61) # tres
self.send_data(0x03) # source 800 self.send_data(0x03) # source 800
@ -110,53 +120,56 @@ class EPD:
self.send_command(0X60) # TCON SETTING self.send_command(0X60) # TCON SETTING
self.send_data(0x22) self.send_data(0x22)
self.send_command(0x65)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
return 0 return 0
def getbuffer(self, image): def getbuffer(self, image):
# logging.debug("bufsiz = ",int(self.width/8) * self.height) img = image
buf = [0xFF] * (int(self.width / 8) * self.height) imwidth, imheight = img.size
image_monocolor = image.convert('1') if imwidth == self.width and imheight == self.height:
imwidth, imheight = image_monocolor.size img = img.convert('1')
pixels = image_monocolor.load() elif imwidth == self.height and imheight == self.width:
logging.debug('imwidth = %d imheight = %d ', imwidth, imheight) # image has correct dimensions, but needs to be rotated
if (imwidth == self.width and imheight == self.height): img = img.rotate(90, expand=True).convert('1')
logging.debug("Horizontal") else:
for y in range(imheight): logger.warning("Wrong image dimensions: must be " + str(self.width) + "x" + str(self.height))
for x in range(imwidth): # return a blank buffer
# Set the bits for the column of pixels at the current position. return [0x00] * (int(self.width / 8) * self.height)
if pixels[x, y] == 0:
buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8)) buf = bytearray(img.tobytes('raw'))
elif (imwidth == self.height and imheight == self.width): # The bytes need to be inverted, because in the PIL world 0=black and 1=white, but
logging.debug("Vertical") # in the e-paper world 0=white and 1=black.
for y in range(imheight): for i in range(len(buf)):
for x in range(imwidth): buf[i] ^= 0xFF
newx = y
newy = self.height - x - 1
if pixels[x, y] == 0:
buf[int((newx + newy * self.width) / 8)] &= ~(0x80 >> (y % 8))
return buf return buf
def display(self, imageblack, imagered): def display(self, imageblack, imagered):
self.send_command(0x10) self.send_command(0x10)
for i in range(0, int(self.width * self.height / 8)): # The black bytes need to be inverted back from what getbuffer did
self.send_data(imageblack[i]) for i in range(len(imageblack)):
imageblack[i] ^= 0xFF
self.send_data2(imageblack)
self.send_command(0x13) self.send_command(0x13)
for i in range(0, int(self.width * self.height / 8)): self.send_data2(imagered)
self.send_data(~imagered[i])
self.send_command(0x12) self.send_command(0x12)
epdconfig.delay_ms(100) epdconfig.delay_ms(100)
self.ReadBusy() self.ReadBusy()
def Clear(self): def Clear(self):
buf = [0x00] * (int(self.width / 8) * self.height)
buf2 = [0xff] * (int(self.width / 8) * self.height)
self.send_command(0x10) self.send_command(0x10)
for i in range(0, int(self.width * self.height / 8)): self.send_data2(buf2)
self.send_data(0xff)
self.send_command(0x13) self.send_command(0x13)
for i in range(0, int(self.width * self.height / 8)): self.send_data2(buf)
self.send_data(0x00)
self.send_command(0x12) self.send_command(0x12)
epdconfig.delay_ms(100) epdconfig.delay_ms(100)
@ -169,5 +182,5 @@ class EPD:
self.send_command(0x07) # DEEP_SLEEP self.send_command(0x07) # DEEP_SLEEP
self.send_data(0XA5) self.send_data(0XA5)
epdconfig.delay_ms(2000)
epdconfig.module_exit() epdconfig.module_exit()
### END OF FILE ###