Inkycal/inkycal/display/drivers/epd_7_in_5_colour.py
2023-12-18 12:46:33 +01:00

202 lines
6.8 KiB
Python

"""
* | File : epd7in5bc.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 inkycal.display.drivers import epdconfig
# Display resolution
EPD_WIDTH = 640
EPD_HEIGHT = 384
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
# 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(10)
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):
logging.debug("e-Paper busy")
while (epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
epdconfig.delay_ms(100)
logging.debug("e-Paper busy release")
def init(self):
if (epdconfig.module_init() != 0):
return -1
self.reset()
self.send_command(0x01) # POWER_SETTING
self.send_data(0x37)
self.send_data(0x00)
self.send_command(0x00) # PANEL_SETTING
self.send_data(0xCF)
self.send_data(0x08)
self.send_command(0x30) # PLL_CONTROL
self.send_data(0x3A) # PLL: 0-15:0x3C, 15+:0x3A
self.send_command(0x82) # VCM_DC_SETTING
self.send_data(0x28) # all temperature range
self.send_command(0x06) # BOOSTER_SOFT_START
self.send_data(0xc7)
self.send_data(0xcc)
self.send_data(0x15)
self.send_command(0x50) # VCOM AND DATA INTERVAL SETTING
self.send_data(0x77)
self.send_command(0x60) # TCON_SETTING
self.send_data(0x22)
self.send_command(0x65) # FLASH CONTROL
self.send_data(0x00)
self.send_command(0x61) # TCON_RESOLUTION
self.send_data(self.width >> 8) # source 640
self.send_data(self.width & 0xff)
self.send_data(self.height >> 8) # gate 384
self.send_data(self.height & 0xff)
self.send_command(0xe5) # FLASH MODE
self.send_data(0x03)
return 0
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()
logging.debug('imwidth = %d imheight = %d ', imwidth, imheight)
if (imwidth == self.width and imheight == self.height):
logging.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):
logging.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, imageblack, imagered):
self.send_command(0x10)
for i in range(0, int(self.width / 8 * self.height)):
temp1 = imageblack[i]
temp2 = imagered[i]
j = 0
while (j < 8):
if ((temp2 & 0x80) == 0x00):
temp3 = 0x04 # red
elif ((temp1 & 0x80) == 0x00):
temp3 = 0x00 # black
else:
temp3 = 0x03 # white
temp3 = (temp3 << 4) & 0xFF
temp1 = (temp1 << 1) & 0xFF
temp2 = (temp2 << 1) & 0xFF
j += 1
if ((temp2 & 0x80) == 0x00):
temp3 |= 0x04 # red
elif ((temp1 & 0x80) == 0x00):
temp3 |= 0x00 # black
else:
temp3 |= 0x03 # white
temp1 = (temp1 << 1) & 0xFF
temp2 = (temp2 << 1) & 0xFF
self.send_data(temp3)
j += 1
self.send_command(0x04) # POWER ON
self.ReadBusy()
self.send_command(0x12) # display refresh
epdconfig.delay_ms(100)
self.ReadBusy()
def Clear(self):
self.send_command(0x10)
for i in range(0, int(self.width / 8 * self.height)):
self.send_data(0x33)
self.send_data(0x33)
self.send_data(0x33)
self.send_data(0x33)
self.send_command(0x04) # POWER ON
self.ReadBusy()
self.send_command(0x12) # display refresh
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.module_exit()
### END OF FILE ###