add 2in13b_V4 code

RaspberryPi_JetsonNano/python/examples/epd_2in13b_V3_test.py

@@ -67,13 +67,13 @@ try:
     epd.display(epd.getbuffer(LBlackimage), epd.getbuffer(LRYimage))
     time.sleep(2)
     
-    # logging.info("3.read bmp file")
+    logging.info("3.read bmp file")
     Blackimage = Image.open(os.path.join(picdir, '2in13bc-b.bmp'))
     RYimage = Image.open(os.path.join(picdir, '2in13bc-ry.bmp'))
     epd.display(epd.getbuffer(Blackimage), epd.getbuffer(RYimage))
     time.sleep(2)
     
-    # logging.info("4.read bmp file on window")
+    logging.info("4.read bmp file on window")
     blackimage1 = Image.new('1', (epd.height, epd.width), 255)  # 298*126
     redimage1 = Image.new('1', (epd.height, epd.width), 255)  # 298*126    
     newimage = Image.open(os.path.join(picdir, '100x100.bmp'))

RaspberryPi_JetsonNano/python/examples/epd_2in13b_V4_test.py

@@ -0,0 +1,96 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import sys
+import os
+picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
+libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
+if os.path.exists(libdir):
+    sys.path.append(libdir)
+
+import logging
+from waveshare_epd import epd2in13b_V4
+import time
+from PIL import Image,ImageDraw,ImageFont
+import traceback
+
+logging.basicConfig(level=logging.DEBUG)
+
+try:
+    logging.info("epd2in13b_V4 Demo")
+    
+    epd = epd2in13b_V4.EPD()
+    logging.info("init and Clear")
+    epd.init()
+    epd.Clear()
+    time.sleep(1)
+    
+    # Drawing on the image
+    logging.info("Drawing")    
+    font20 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 20)
+    font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
+    
+    # Drawing on the Horizontal image
+    logging.info("1.Drawing on the Horizontal image...") 
+    HBlackimage = Image.new('1', (epd.height, epd.width), 255)  # 250*122
+    HRYimage = Image.new('1', (epd.height, epd.width), 255)  # 250*122
+    drawblack = ImageDraw.Draw(HBlackimage)
+    drawry = ImageDraw.Draw(HRYimage)
+    drawblack.text((10, 0), 'hello world', font = font20, fill = 0)
+    drawblack.text((10, 20), '2.13inch e-Paper b V4', font = font20, fill = 0)
+    drawblack.text((120, 0), u'微雪电子', font = font20, fill = 0)    
+    drawblack.line((20, 50, 70, 100), fill = 0)
+    drawblack.line((70, 50, 20, 100), fill = 0)
+    drawblack.rectangle((20, 50, 70, 100), outline = 0)    
+    drawry.line((165, 50, 165, 100), fill = 0)
+    drawry.line((140, 75, 190, 75), fill = 0)
+    drawry.arc((140, 50, 190, 100), 0, 360, fill = 0)
+    drawry.rectangle((80, 50, 130, 100), fill = 0)
+    drawry.chord((85, 55, 125, 95), 0, 360, fill =1)
+    epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRYimage))
+    time.sleep(2)
+    
+    # Drawing on the Vertical image
+    logging.info("2.Drawing on the Vertical image...")
+    LBlackimage = Image.new('1', (epd.width, epd.height), 255)  # 122*250
+    LRYimage = Image.new('1', (epd.width, epd.height), 255)  # 122*250
+    drawblack = ImageDraw.Draw(LBlackimage)
+    drawry = ImageDraw.Draw(LRYimage)
+    drawblack.text((2, 0), 'hello world', font = font18, fill = 0)
+    drawblack.text((2, 20), '2.13 epd b V4', font = font18, fill = 0)
+    drawblack.text((20, 50), u'微雪电子', font = font18, fill = 0)
+    drawblack.line((10, 90, 60, 140), fill = 0)
+    drawblack.line((60, 90, 10, 140), fill = 0)
+    drawblack.rectangle((10, 90, 60, 140), outline = 0)
+    drawry.rectangle((10, 150, 60, 200), fill = 0)
+    drawry.arc((15, 95, 55, 135), 0, 360, fill = 0)
+    drawry.chord((15, 155, 55, 195), 0, 360, fill =1)
+    epd.display(epd.getbuffer(LBlackimage), epd.getbuffer(LRYimage))
+    time.sleep(2)
+    
+    logging.info("3.read bmp file")
+    Blackimage = Image.open(os.path.join(picdir, '2in13b_V4b.bmp'))
+    RYimage = Image.open(os.path.join(picdir, '2in13b_V4b.bmp'))
+    epd.display(epd.getbuffer(Blackimage), epd.getbuffer(RYimage))
+    time.sleep(2)
+    
+    logging.info("4.read bmp file on window")
+    blackimage1 = Image.new('1', (epd.height, epd.width), 255)  # 250*122
+    redimage1 = Image.new('1', (epd.height, epd.width), 255)  # 250*122
+    newimage = Image.open(os.path.join(picdir, '100x100.bmp'))
+    blackimage1.paste(newimage, (0,0))
+    epd.display(epd.getbuffer(blackimage1), epd.getbuffer(redimage1))
+    
+    logging.info("Clear...")
+    epd.init()
+    epd.clear()
+    
+    logging.info("Goto Sleep...")
+    epd.sleep()
+        
+except IOError as e:
+    logging.info(e)
+    
+except KeyboardInterrupt:    
+    logging.info("ctrl + c:")
+    epd2in13b_V4.epdconfig.module_exit()
+    exit()

RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in13b_V4.py

@@ -0,0 +1,208 @@
+# *****************************************************************************
+# * | File        :	  epd2in13b_V4.py
+# * | Author      :   Waveshare team
+# * | Function    :   Electronic paper driver
+# * | Info        :
+# *----------------
+# * | This version:   V1.0
+# * | Date        :   2022-04-21
+# # | 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       = 122
+EPD_HEIGHT      = 250
+
+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(20) 
+        epdconfig.digital_write(self.reset_pin, 0)
+        epdconfig.delay_ms(2)
+        epdconfig.digital_write(self.reset_pin, 1)
+        epdconfig.delay_ms(20)   
+
+    # send 1 byte command
+    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)
+    
+    # send 1 byte data
+    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)
+        
+    # judge e-Paper whether is busy
+    def busy(self):
+        logger.debug("e-Paper busy")
+        while(epdconfig.digital_read(self.busy_pin) != 0): 
+            epdconfig.delay_ms(10)
+        logger.debug("e-Paper busy release")
+
+    # set the display window
+    def set_windows(self, xstart, ystart, xend, yend):
+        self.send_command(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION
+        self.send_data((xstart>>3) & 0xff)
+        self.send_data((xend>>3) & 0xff)
+        
+        self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION
+        self.send_data(ystart & 0xff)
+        self.send_data((ystart >> 8) & 0xff)
+        self.send_data(yend & 0xff)
+        self.send_data((yend >> 8) & 0xff)
+        
+    # set the display cursor(origin)
+    def set_cursor(self, xstart, ystart):
+        self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER
+        self.send_data(xstart & 0xff)
+
+        self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER
+        self.send_data(ystart & 0xff)
+        self.send_data((ystart >> 8) & 0xff)
+
+    # initialize 
+    def init(self):
+        if (epdconfig.module_init() != 0):
+            return -1
+            
+        self.reset()
+
+        self.busy()
+        self.send_command(0x12)  # SWRESET
+        self.busy()   
+
+        self.send_command(0x01) # Driver output control      
+        self.send_data(0xf9)
+        self.send_data(0x00)
+        self.send_data(0x00)
+
+        self.send_command(0x11) # data entry mode       
+        self.send_data(0x03)
+
+        self.set_windows(0, 0, self.width - 1, self.height - 1)
+        self.set_cursor(0, 0)
+
+        self.send_command(0x3C) # BorderWavefrom
+        self.send_data(0x05)	
+
+        self.send_command(0x18) # Read built-in temperature sensor
+        self.send_data(0x80)	
+
+        self.send_command(0x21) # Display update control
+        self.send_data(0x80)	
+        self.send_data(0x80)
+
+        self.busy()
+        
+        return 0
+
+    # turn on display
+    def ondisplay(self):
+        self.send_command(0x20)
+        self.busy()
+
+    # image converted to bytearray
+    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'))
+        return buf
+
+    # display image
+    def display(self, imageblack, imagered):
+        if self.width%8 == 0:
+            linewidth = int(self.width/8)
+        else:
+            linewidth = int(self.width/8) + 1
+    
+        self.send_command(0x24)
+        self.send_data2(imageblack)
+        
+        self.send_command(0x26)
+        self.send_data2(imagered)
+        
+        self.ondisplay()
+        
+    # display white image
+    def clear(self):
+        if self.width%8 == 0:
+            linewidth = int(self.width/8)
+        else:
+            linewidth = int(self.width/8) + 1
+            
+        buf = [0xff] * (int(linewidth * self.height))
+            
+        self.send_command(0x24)
+        self.send_data2(buf)
+        
+        self.send_command(0x26)
+        self.send_data2(buf)
+        
+        self.ondisplay()
+
+    # Compatible with older version functions
+    def Clear(self):
+        self.clear()
+
+    # sleep
+    def sleep(self):
+        self.send_command(0x10) # DEEP_SLEEP
+        self.send_data(0x01) # check code
+        
+        epdconfig.delay_ms(2000)
+        epdconfig.module_exit()
+### END OF FILE ###
+