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2020-05-07 20:16:55 +02:00
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commit fd9fcbcc8d
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inkycal/display/drivers/epd_5_in_83.py Normal file
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# *****************************************************************************
# * | File : epd5in83.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 = 600
EPD_HEIGHT = 448
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
# EPD hardware init start
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(0x06) # BOOSTER_SOFT_START
self.send_data(0xc7)
self.send_data(0xcc)
self.send_data(0x28)
self.send_command(0x04) # POWER_ON
self.ReadBusy()
self.send_command(0x30) # PLL_CONTROL
self.send_data(0x3c)
self.send_command(0x41) # TEMPERATURE_CALIBRATION
self.send_data(0x00)
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(0x61) # TCON_RESOLUTION
self.send_data(0x02) # source 600
self.send_data(0x58)
self.send_data(0x01) # gate 448
self.send_data(0xC0)
self.send_command(0x82) # VCM_DC_SETTING
self.send_data(0x1E) # decide by LUT file
self.send_command(0xe5) # FLASH MODE
self.send_data(0x03)
# EPD hardware init end
return 0
def getbuffer(self, image):
buf = [0x00] * int(self.width * self.height / 4)
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):
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] < 64: # black
buf[int((x + y * self.width) / 4)] &= ~(0xC0 >> (x % 4 * 2))
elif pixels[x, y] < 192: # convert gray to red
buf[int((x + y * self.width) / 4)] &= ~(0xC0 >> (x % 4 * 2))
buf[int((x + y * self.width) / 4)] |= 0x40 >> (x % 4 * 2)
else: # white
buf[int((x + y * self.width) / 4)] |= 0xC0 >> (x % 4 * 2)
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] < 64: # black
buf[int((newx + newy*self.width) / 4)] &= ~(0xC0 >> (y % 4 * 2))
elif pixels[x, y] < 192: # convert gray to red
buf[int((newx + newy*self.width) / 4)] &= ~(0xC0 >> (y % 4 * 2))
buf[int((newx + newy*self.width) / 4)] |= 0x40 >> (y % 4 * 2)
else: # white
buf[int((newx + newy*self.width) / 4)] |= 0xC0 >> (y % 4 * 2)
return buf
def display(self, image):
self.send_command(0x10)
for i in range(0, int(self.width / 4 * self.height)):
temp1 = image[i]
j = 0
while (j < 4):
if ((temp1 & 0xC0) == 0xC0):
temp2 = 0x03
elif ((temp1 & 0xC0) == 0x00):
temp2 = 0x00
else:
temp2 = 0x04
temp2 = (temp2 << 4) & 0xFF
temp1 = (temp1 << 2) & 0xFF
j += 1
if((temp1 & 0xC0) == 0xC0):
temp2 |= 0x03
elif ((temp1 & 0xC0) == 0x00):
temp2 |= 0x00
else:
temp2 |= 0x04
temp1 = (temp1 << 2) & 0xFF
self.send_data(temp2)
j += 1
self.send_command(0x12)
epdconfig.delay_ms(100)
self.ReadBusy()
def Clear(self):
self.send_command(0x10)
for i in range(0, int(self.width / 4 * self.height)):
for j in range(0, 4):
self.send_data(0x33)
self.send_command(0x12)
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 ###