Create epd5in83b_V2.py

inkycal/display/drivers/epd5in83b_V2.py

@@ -0,0 +1,180 @@
+# *****************************************************************************
+# * | File : epd5in83b_V2.py
+# * | Author : Waveshare team
+# * | Function : Electronic paper driver
+# * | Info :
+# *----------------
+# * | This version: V1.1
+# * | Date : 2022-08-10
+# # | 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 = 648
+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
+
+ # 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(1)
+ 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)
+
+ # send a lot of data 
+ 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)
+ while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
+ self.send_command(0X71)
+ epdconfig.delay_ms(200)
+ logger.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 (0x07)
+ self.send_data (0x07) #VGH=20V,VGL=-20V
+ self.send_data (0x3f) #VDH=15V
+ self.send_data (0x3f) #VDL=-15V
+
+ self.send_command(0x04) #POWER ON
+ epdconfig.delay_ms(100) 
+ self.ReadBusy() #waiting for the electronic paper IC to release the idle signal
+
+ self.send_command(0X00) #PANNEL SETTING
+ self.send_data(0x0F) #KW-3f KWR-2F BWROTP 0f BWOTP 1f
+
+ self.send_command(0x61) #tres
+ self.send_data (0x02) #source 648
+ self.send_data (0x88)
+ 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(0x11)
+ self.send_data(0x07)
+
+ self.send_command(0X60) #TCON SETTING
+ self.send_data(0x22)
+
+ return 0
+
+ def getbuffer(self, image):
+ # logger.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()
+ # logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
+ if(imwidth == self.width and imheight == self.height):
+ logger.debug("Vertical")
+ 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):
+ logger.debug("Horizontal")
+ 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):
+ buf = [0x00] * int(self.width * self.height / 8)
+ for i in range(0, int(self.width * self.height / 8)):
+ buf[i] = ~imagered[i]
+
+ if (imageblack != None):
+ self.send_command(0X10)
+ self.send_data2(imageblack) 
+ if (imagered != None):
+ self.send_command(0X13)
+ self.send_data2(buf)
+
+ self.send_command(0x12)
+ epdconfig.delay_ms(200) 
+ 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(200) 
+ 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 ###