Merge pull request #272 from kmanc/master

Code format and small fixes

RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd4in2.py

@@ -4,8 +4,8 @@
 # * | Function    :   Electronic paper driver
 # * | Info        :
 # *----------------
-# * | This version:   V4.1
-# * | Date        :   2022-08-9
+# * | This version:   V4.2
+# * | Date        :   2022-10-29
 # # | Info        :   python demo
 # -----------------------------------------------------------------------------
 # Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -34,16 +34,17 @@ from PIL import Image
 import RPi.GPIO as GPIO
 
 # Display resolution
-EPD_WIDTH       = 400
-EPD_HEIGHT      = 300
+EPD_WIDTH  = 400
+EPD_HEIGHT = 300
 
-GRAY1  = 0xff #white
-GRAY2  = 0xC0
-GRAY3  = 0x80 #gray
-GRAY4  = 0x00 #Blackest
+GRAY1 = 0xff  # white
+GRAY2 = 0xC0
+GRAY3 = 0x80  # gray
+GRAY4 = 0x00  # Blackest
 
 logger = logging.getLogger(__name__)
 
+
 class EPD:
     def __init__(self):
         self.reset_pin = epdconfig.RST_PIN
@@ -52,179 +53,179 @@ class EPD:
         self.cs_pin = epdconfig.CS_PIN
         self.width = EPD_WIDTH
         self.height = EPD_HEIGHT
-        self.GRAY1  = GRAY1 #white
-        self.GRAY2  = GRAY2
-        self.GRAY3  = GRAY3 #gray
-        self.GRAY4  = GRAY4 #Blackest
-        self.DATA   = [0x00] * 15000
+        self.GRAY1 = GRAY1  # white
+        self.GRAY2 = GRAY2
+        self.GRAY3 = GRAY3  # gray
+        self.GRAY4 = GRAY4  # Blackest
+        self.DATA = [0x00] * 15000
 
     lut_vcom0 = [
-    0x00, 0x08, 0x08, 0x00, 0x00, 0x02, 
-    0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01, 
-    0x00, 0x08, 0x08, 0x00, 0x00, 0x02, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 
+        0x00, 0x08, 0x08, 0x00, 0x00, 0x02,
+        0x00, 0x0F, 0x0F, 0x00, 0x00, 0x01,
+        0x00, 0x08, 0x08, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00,
     ]
     lut_ww = [
-    0x50, 0x08, 0x08, 0x00, 0x00, 0x02, 
-    0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, 
-    0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
+        0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
+        0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
     lut_bw = [
-    0x50, 0x08, 0x08, 0x00, 0x00, 0x02, 
-    0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, 
-    0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
+        0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
+        0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
     lut_wb = [
-    0xA0, 0x08, 0x08, 0x00, 0x00, 0x02, 
-    0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, 
-    0x50, 0x08, 0x08, 0x00, 0x00, 0x02, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0xA0, 0x08, 0x08, 0x00, 0x00, 0x02,
+        0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
+        0x50, 0x08, 0x08, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
     lut_bb = [
-    0x20, 0x08, 0x08, 0x00, 0x00, 0x02, 
-    0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01, 
-    0x10, 0x08, 0x08, 0x00, 0x00, 0x02, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x20, 0x08, 0x08, 0x00, 0x00, 0x02,
+        0x90, 0x0F, 0x0F, 0x00, 0x00, 0x01,
+        0x10, 0x08, 0x08, 0x00, 0x00, 0x02,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
-    #******************************partial screen update LUT*********************************/
-    EPD_4IN2_Partial_lut_vcom1 =[
-    0x00, 0x01, 0x20, 0x01, 0x00, 0x01, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    # ******************************partial screen update LUT*********************************/
+    EPD_4IN2_Partial_lut_vcom1 = [
+        0x00, 0x01, 0x20, 0x01, 0x00, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
 
-    EPD_4IN2_Partial_lut_ww1 =[
-    0x00, 0x01, 0x20, 0x01, 0x00, 0x01, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    EPD_4IN2_Partial_lut_ww1 = [
+        0x00, 0x01, 0x20, 0x01, 0x00, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
 
-    EPD_4IN2_Partial_lut_bw1 =[
-    0x20, 0x01, 0x20, 0x01, 0x00, 0x01, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+    EPD_4IN2_Partial_lut_bw1 = [
+        0x20, 0x01, 0x20, 0x01, 0x00, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
 
-    EPD_4IN2_Partial_lut_wb1 =[
-    0x10, 0x01, 0x20, 0x01, 0x00, 0x01, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+    EPD_4IN2_Partial_lut_wb1 = [
+        0x10, 0x01, 0x20, 0x01, 0x00, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
 
-    EPD_4IN2_Partial_lut_bb1 =[
-    0x00, 0x01,0x20, 0x01, 0x00, 0x01, 
-    0x00, 0x00,0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00,0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00,0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00,0x00, 0x00, 0x00, 0x00, 
-    0x00, 0x00,0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00,0x00, 0x00, 0x00, 0x00, 
+    EPD_4IN2_Partial_lut_bb1 = [
+        0x00, 0x01, 0x20, 0x01, 0x00, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
 
-    #******************************gray*********************************/
-    #0~3 gray
-    EPD_4IN2_4Gray_lut_vcom =[
-    0x00 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
-    0x60 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
-    0x00 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
-    0x00 ,0x13 ,0x0A ,0x01 ,0x00 ,0x01,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00
+    # ******************************gray*********************************/
+    # 0~3 gray
+    EPD_4IN2_4Gray_lut_vcom = [
+        0x00, 0x0A, 0x00, 0x00, 0x00, 0x01,
+        0x60, 0x14, 0x14, 0x00, 0x00, 0x01,
+        0x00, 0x14, 0x00, 0x00, 0x00, 0x01,
+        0x00, 0x13, 0x0A, 0x01, 0x00, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00
     ]
-    #R21
-    EPD_4IN2_4Gray_lut_ww =[
-    0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
-    0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
-    0x10 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
-    0xA0 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
+    # R21
+    EPD_4IN2_4Gray_lut_ww = [
+        0x40, 0x0A, 0x00, 0x00, 0x00, 0x01,
+        0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
+        0x10, 0x14, 0x0A, 0x00, 0x00, 0x01,
+        0xA0, 0x13, 0x01, 0x00, 0x00, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
-    #R22H r
-    EPD_4IN2_4Gray_lut_bw =[
-    0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
-    0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
-    0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
-    0x99 ,0x0C ,0x01 ,0x03 ,0x04 ,0x01,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
+    # R22H r
+    EPD_4IN2_4Gray_lut_bw = [
+        0x40, 0x0A, 0x00, 0x00, 0x00, 0x01,
+        0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
+        0x00, 0x14, 0x0A, 0x00, 0x00, 0x01,
+        0x99, 0x0C, 0x01, 0x03, 0x04, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
-    #R23H w
-    EPD_4IN2_4Gray_lut_wb =[
-    0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
-    0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
-    0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
-    0x99 ,0x0B ,0x04 ,0x04 ,0x01 ,0x01,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
+    # R23H w
+    EPD_4IN2_4Gray_lut_wb = [
+        0x40, 0x0A, 0x00, 0x00, 0x00, 0x01,
+        0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
+        0x00, 0x14, 0x0A, 0x00, 0x00, 0x01,
+        0x99, 0x0B, 0x04, 0x04, 0x01, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
-    #R24H b
-    EPD_4IN2_4Gray_lut_bb =[
-    0x80 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
-    0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
-    0x20 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
-    0x50 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
-    0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
+    # R24H b
+    EPD_4IN2_4Gray_lut_bb = [
+        0x80, 0x0A, 0x00, 0x00, 0x00, 0x01,
+        0x90, 0x14, 0x14, 0x00, 0x00, 0x01,
+        0x20, 0x14, 0x0A, 0x00, 0x00, 0x01,
+        0x50, 0x13, 0x01, 0x00, 0x00, 0x01,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     ]
-    
+
     # Hardware reset
     def reset(self):
         epdconfig.digital_write(self.reset_pin, 1)
-        epdconfig.delay_ms(10) 
+        epdconfig.delay_ms(10)
         epdconfig.digital_write(self.reset_pin, 0)
         epdconfig.delay_ms(10)
         epdconfig.digital_write(self.reset_pin, 1)
-        epdconfig.delay_ms(10)   
+        epdconfig.delay_ms(10)
         epdconfig.digital_write(self.reset_pin, 0)
         epdconfig.delay_ms(10)
         epdconfig.digital_write(self.reset_pin, 1)
-        epdconfig.delay_ms(10)   
+        epdconfig.delay_ms(10)
         epdconfig.digital_write(self.reset_pin, 0)
         epdconfig.delay_ms(10)
         epdconfig.digital_write(self.reset_pin, 1)
@@ -248,29 +249,28 @@ class EPD:
         epdconfig.digital_write(self.cs_pin, 0)
         epdconfig.spi_writebyte2(data)
         epdconfig.digital_write(self.cs_pin, 1)
-        
+
     def ReadBusy(self):
         self.send_command(0x71)
-        while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: idle, 1: busy
+        while epdconfig.digital_read(self.busy_pin) == 0:  # 0: idle, 1: busy
             self.send_command(0x71)
-            epdconfig.delay_ms(100)    
+            epdconfig.delay_ms(100)
 
     def set_lut(self):
-        self.send_command(0x20)               # vcom
+        self.send_command(0x20)  # vcom
         self.send_data2(self.lut_vcom0)
-            
-        self.send_command(0x21)         # ww --
+
+        self.send_command(0x21)  # ww --
         self.send_data2(self.lut_ww)
-            
-        self.send_command(0x22)         # bw r
+
+        self.send_command(0x22)  # bw r
         self.send_data2(self.lut_bw)
-            
-        self.send_command(0x23)         # wb w
+
+        self.send_command(0x23)  # wb w
         self.send_data2(self.lut_bb)
-            
-        self.send_command(0x24)         # bb b
-        self.send_data2(self.lut_wb)
 
+        self.send_command(0x24)  # bb b
+        self.send_data2(self.lut_wb)
 
     def Partial_SetLut(self):
         self.send_command(0x20)
@@ -278,7 +278,7 @@ class EPD:
 
         self.send_command(0x21)
         self.send_data2(self.EPD_4IN2_Partial_lut_ww1)
-        
+
         self.send_command(0x22)
         self.send_data2(self.EPD_4IN2_Partial_lut_bw1)
 
@@ -288,393 +288,391 @@ class EPD:
         self.send_command(0x24)
         self.send_data2(self.EPD_4IN2_Partial_lut_bb1)
 
-
-       
     def Gray_SetLut(self):
-        self.send_command(0x20)      #vcom
-        self.send_data2(self.EPD_4IN2_4Gray_lut_vcom) 
+        self.send_command(0x20)  # vcom
+        self.send_data2(self.EPD_4IN2_4Gray_lut_vcom)
 
-        self.send_command(0x21)      #red not use
-        self.send_data2(self.EPD_4IN2_4Gray_lut_ww) 
+        self.send_command(0x21)  # red not use
+        self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
 
-        self.send_command(0x22)       #bw r
-        self.send_data2(self.EPD_4IN2_4Gray_lut_bw) 
+        self.send_command(0x22)  # bw r
+        self.send_data2(self.EPD_4IN2_4Gray_lut_bw)
 
-        self.send_command(0x23)       #wb w
-        self.send_data2(self.EPD_4IN2_4Gray_lut_wb) 
+        self.send_command(0x23)  # wb w
+        self.send_data2(self.EPD_4IN2_4Gray_lut_wb)
 
-        self.send_command(0x24)                          #bb b
-        self.send_data2(self.EPD_4IN2_4Gray_lut_bb) 
+        self.send_command(0x24)  # bb b
+        self.send_data2(self.EPD_4IN2_4Gray_lut_bb)
 
-        self.send_command(0x25)      #vcom
+        self.send_command(0x25)  # vcom
         self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
-      
-    
+
     def init(self):
-        if (epdconfig.module_init() != 0):
+        if epdconfig.module_init() != 0:
             return -1
         # EPD hardware init start
         self.reset()
-        
-        self.send_command(0x01) # POWER SETTING
-        self.send_data(0x03) # VDS_EN, VDG_EN
-        self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
-        self.send_data(0x2b) # VDH
-        self.send_data(0x2b) # VDL
-        
-        self.send_command(0x06) # boost soft start
+
+        self.send_command(0x01)  # POWER SETTING
+        self.send_data(0x03)  # VDS_EN, VDG_EN
+        self.send_data(0x00)  # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
+        self.send_data(0x2b)  # VDH
+        self.send_data(0x2b)  # VDL
+
+        self.send_command(0x06)  # boost soft start
         self.send_data(0x17)
         self.send_data(0x17)
         self.send_data(0x17)
-        
-        self.send_command(0x04) # POWER_ON
+
+        self.send_command(0x04)  # POWER_ON
         self.ReadBusy()
-        
-        self.send_command(0x00) # panel setting
-        self.send_data(0xbf) # KW-BF   KWR-AF  BWROTP 0f
-        
-        self.send_command(0x30) # PLL setting
-        self.send_data(0x3c) # 3A 100HZ   29 150Hz 39 200HZ  31 171HZ
-
-        self.send_command(0x61) # resolution setting
+
+        self.send_command(0x00)  # panel setting
+        self.send_data(0xbf)  # KW-BF   KWR-AF  BWROTP 0f
+
+        self.send_command(0x30)  # PLL setting
+        self.send_data(0x3c)  # 3A 100HZ   29 150Hz 39 200HZ  31 171HZ
+
+        self.send_command(0x61)  # resolution setting
+        self.send_data(0x01)
+        self.send_data(0x90)  # 128
         self.send_data(0x01)
-        self.send_data(0x90) # 128
-        self.send_data(0x01)  
         self.send_data(0x2c)
 
-        self.send_command(0x82) # vcom_DC setting
+        self.send_command(0x82)  # vcom_DC setting
         self.send_data(0x12)
 
-        self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
-        self.send_data(0x97) # 97white border 77black border  VBDF 17|D7 VBDW 97 VBDB 57  VBDF F7 VBDW 77 VBDB 37  VBDR B7
-    
+        self.send_command(0X50)  # VCOM AND DATA INTERVAL SETTING
+        self.send_data(
+            0x97)  # 97white border 77black border  VBDF 17|D7 VBDW 97 VBDB 57  VBDF F7 VBDW 77 VBDB 37  VBDR B7
+
         self.set_lut()
         # EPD hardware init end
         return 0
-        
+
     def init_Partial(self):
-        if (epdconfig.module_init() != 0):
+        if epdconfig.module_init() != 0:
             return -1
         # EPD hardware init start
         self.reset()
-        
-        self.send_command(0x01) # POWER SETTING
-        self.send_data(0x03) # VDS_EN, VDG_EN
-        self.send_data(0x00) # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
-        self.send_data(0x2b) # VDH
-        self.send_data(0x2b) # VDL
-        
-        self.send_command(0x06) # boost soft start
+
+        self.send_command(0x01)  # POWER SETTING
+        self.send_data(0x03)  # VDS_EN, VDG_EN
+        self.send_data(0x00)  # VCOM_HV, VGHL_LV[1], VGHL_LV[0]
+        self.send_data(0x2b)  # VDH
+        self.send_data(0x2b)  # VDL
+
+        self.send_command(0x06)  # boost soft start
         self.send_data(0x17)
         self.send_data(0x17)
         self.send_data(0x17)
-        
-        self.send_command(0x04) # POWER_ON
+
+        self.send_command(0x04)  # POWER_ON
         self.ReadBusy()
-        
-        self.send_command(0x00) # panel setting
-        self.send_data(0xbf) # KW-BF   KWR-AF  BWROTP 0f
-        
-        self.send_command(0x30) # PLL setting
-        self.send_data(0x3c) # 3A 100HZ   29 150Hz 39 200HZ  31 171HZ
-
-        self.send_command(0x61) # resolution setting
+
+        self.send_command(0x00)  # panel setting
+        self.send_data(0xbf)  # KW-BF   KWR-AF  BWROTP 0f
+
+        self.send_command(0x30)  # PLL setting
+        self.send_data(0x3c)  # 3A 100HZ   29 150Hz 39 200HZ  31 171HZ
+
+        self.send_command(0x61)  # resolution setting
+        self.send_data(0x01)
+        self.send_data(0x90)  # 128
         self.send_data(0x01)
-        self.send_data(0x90) # 128
-        self.send_data(0x01)  
         self.send_data(0x2c)
 
-        self.send_command(0x82) # vcom_DC setting
+        self.send_command(0x82)  # vcom_DC setting
         self.send_data(0x12)
 
-        self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
-        self.send_data(0x07) # 97white border 77black border  VBDF 17|D7 VBDW 97 VBDB 57  VBDF F7 VBDW 77 VBDB 37  VBDR B7
-    
-        self.Partial_SetLut();
+        self.send_command(0X50)  # VCOM AND DATA INTERVAL SETTING
+        self.send_data(
+            0x07)  # 97white border 77black border  VBDF 17|D7 VBDW 97 VBDB 57  VBDF F7 VBDW 77 VBDB 37  VBDR B7
+
+        self.Partial_SetLut()
         # EPD hardware init end
         return 0
-        
+
     def Init_4Gray(self):
-        if (epdconfig.module_init() != 0):
+        if epdconfig.module_init() != 0:
             return -1
         # EPD hardware init start
         self.reset()
-        
-        self.send_command(0x01)   #POWER SETTING
-        self.send_data (0x03)
-        self.send_data (0x00)       #VGH=20V,VGL=-20V
-        self.send_data (0x2b)  #VDH=15V                
-        self.send_data (0x2b)  #VDL=-15V
-        self.send_data (0x13)
-
-        self.send_command(0x06)         #booster soft start
-        self.send_data (0x17)  #A
-        self.send_data (0x17)  #B
-        self.send_data (0x17)  #C 
+
+        self.send_command(0x01)  # POWER SETTING
+        self.send_data(0x03)
+        self.send_data(0x00)  # VGH=20V,VGL=-20V
+        self.send_data(0x2b)  # VDH=15V
+        self.send_data(0x2b)  # VDL=-15V
+        self.send_data(0x13)
+
+        self.send_command(0x06)  # booster soft start
+        self.send_data(0x17)  # A
+        self.send_data(0x17)  # B
+        self.send_data(0x17)  # C
 
         self.send_command(0x04)
         self.ReadBusy()
 
-        self.send_command(0x00)   #panel setting
-        self.send_data(0x3f)  #KW-3f   KWR-2F BWROTP 0f BWOTP 1f
+        self.send_command(0x00)  # panel setting
+        self.send_data(0x3f)  # KW-3f   KWR-2F BWROTP 0f BWOTP 1f
 
-        self.send_command(0x30)   #PLL setting
-        self.send_data (0x3c)       #100hz 
+        self.send_command(0x30)  # PLL setting
+        self.send_data(0x3c)  # 100hz
 
-        self.send_command(0x61)   #resolution setting
-        self.send_data (0x01)  #400
-        self.send_data (0x90)       
-        self.send_data (0x01)  #300
-        self.send_data (0x2c)
+        self.send_command(0x61)  # resolution setting
+        self.send_data(0x01)  # 400
+        self.send_data(0x90)
+        self.send_data(0x01)  # 300
+        self.send_data(0x2c)
 
-        self.send_command(0x82)   #vcom_DC setting
-        self.send_data (0x12)
+        self.send_command(0x82)  # vcom_DC setting
+        self.send_data(0x12)
 
-        self.send_command(0X50)   #VCOM AND DATA INTERVAL SETTING   
+        self.send_command(0X50)  # VCOM AND DATA INTERVAL SETTING
         self.send_data(0x97)
 
     def getbuffer(self, image):
         # logger.debug("bufsiz = ",int(self.width/8) * self.height)
-        buf = [0xFF] * (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):
+        if imwidth == self.width and imheight == self.height:
             logger.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):
+        elif imwidth == self.height and imheight == self.width:
             logger.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))
+                        buf[int((newx + newy * self.width) / 8)] &= ~(0x80 >> (y % 8))
         return buf
-        
+
     def getbuffer_4Gray(self, image):
         # logger.debug("bufsiz = ",int(self.width/8) * self.height)
         buf = [0xFF] * (int(self.width / 4) * self.height)
         image_monocolor = image.convert('L')
         imwidth, imheight = image_monocolor.size
         pixels = image_monocolor.load()
-        i=0
+        i = 0
         # logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
-        if(imwidth == self.width and imheight == self.height):
+        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] == 0xC0):
+                    if pixels[x, y] == 0xC0:
                         pixels[x, y] = 0x80
-                    elif (pixels[x, y] == 0x80):
+                    elif pixels[x, y] == 0x80:
                         pixels[x, y] = 0x40
-                    i= i+1
-                    if(i%4 == 0):
-                        buf[int((x + (y * self.width))/4)] = ((pixels[x-3, y]&0xc0) | (pixels[x-2, y]&0xc0)>>2 | (pixels[x-1, y]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6)
-                        
-        elif(imwidth == self.height and imheight == self.width):
+                    i = i + 1
+                    if i % 4 == 0:
+                        buf[int((x + (y * self.width)) / 4)] = (
+                                    (pixels[x - 3, y] & 0xc0) | (pixels[x - 2, y] & 0xc0) >> 2 | (
+                                        pixels[x - 1, y] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6)
+
+        elif imwidth == self.height and imheight == self.width:
             logger.debug("Horizontal")
             for x in range(imwidth):
                 for y in range(imheight):
                     newx = y
                     newy = x
-                    if(pixels[x, y] == 0xC0):
+                    if pixels[x, y] == 0xC0:
                         pixels[x, y] = 0x80
-                    elif (pixels[x, y] == 0x80):
+                    elif pixels[x, y] == 0x80:
                         pixels[x, y] = 0x40
-                    i= i+1
-                    if(i%4 == 0):
-                        buf[int((newx + (newy * self.width))/4)] = ((pixels[x, y-3]&0xc0) | (pixels[x, y-2]&0xc0)>>2 | (pixels[x, y-1]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6) 
-        
+                    i = i + 1
+                    if i % 4 == 0:
+                        buf[int((newx + (newy * self.width)) / 4)] = (
+                                    (pixels[x, y - 3] & 0xc0) | (pixels[x, y - 2] & 0xc0) >> 2 | (
+                                        pixels[x, y - 1] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6)
+
         return buf
 
     def display(self, image):
-        if self.width%8 == 0:
-            linewidth = int(self.width/8)
+        if self.width % 8 == 0:
+            linewidth = int(self.width / 8)
         else:
-            linewidth = int(self.width/8) + 1
+            linewidth = int(self.width / 8) + 1
 
-        self.send_command(0x92); 
+        self.send_command(0x92)
         self.set_lut()
         self.send_command(0x10)
         self.send_data2([0xFF] * int(self.width * linewidth))
-            
+
         self.send_command(0x13)
         self.send_data2(image)
-            
-        self.send_command(0x12) 
+
+        self.send_command(0x12)
         self.ReadBusy()
 
     def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image):
         # EPD_WIDTH       = 400
         # EPD_HEIGHT      = 300
 
-        if(EPD_WIDTH % 8 != 0):
-           Width = int(EPD_WIDTH / 8) + 1
+        if EPD_WIDTH % 8 != 0:
+            Width = int(EPD_WIDTH / 8) + 1
         else:
             Width = int(EPD_WIDTH / 8)
         Height = EPD_HEIGHT
-        
-        if(X_start % 8 != 0):
-            X_start = int(X_start/8) + 1
+
+        if X_start % 8 != 0:
+            X_start = int(X_start / 8) + 1
         else:
-            X_start = int(X_start/8)
-        if(X_end % 8 != 0):
-            X_end = int(X_end/8) + 1
+            X_start = int(X_start / 8)
+        if X_end % 8 != 0:
+            X_end = int(X_end / 8) + 1
         else:
-            X_end = int(X_end/8)
-        
+            X_end = int(X_end / 8)
+
         buf = [0x00] * (Y_end - Y_start) * (X_end - X_start)
 
-        
-        self.send_command(0x91)  #This command makes the display enter partial mode
-        self.send_command(0x90)  #resolution setting
-        self.send_data (int(X_start*8/256))
-        self.send_data (int(X_start*8%256))   #x-start    
-        
-        self.send_data (int(X_end*8 /256))
-        self.send_data (int(X_end*8 %256)-1)  #x-end
-
-        self.send_data (int(Y_start/256))
-        self.send_data (int(Y_start%256))   #y-start    
-        
-
-        self.send_data (int(Y_end/256)) 
-        self.send_data (int(Y_end%256)-1)  #y-end
-        self.send_data (0x28)
-         
-
-        self.send_command(0x10);        #writes Old data to SRAM for programming
+        self.send_command(0x91)  # This command makes the display enter partial mode
+        self.send_command(0x90)  # resolution setting
+        self.send_data(int(X_start * 8 / 256))
+        self.send_data(int(X_start * 8 % 256))  # x-start
+
+        self.send_data(int(X_end * 8 / 256))
+        self.send_data(int(X_end * 8 % 256) - 1)  # x-end
+
+        self.send_data(int(Y_start / 256))
+        self.send_data(int(Y_start % 256))  # y-start
+
+        self.send_data(int(Y_end / 256))
+        self.send_data(int(Y_end % 256) - 1)  # y-end
+        self.send_data(0x28)
+
+        self.send_command(0x10)  # writes Old data to SRAM for programming
         for j in range(0, Y_end - Y_start):
             for i in range(0, X_end - X_start):
-                buf[j * (X_end - X_start) + i] = self.DATA[(Y_start + j)*Width + X_start + i]
+                buf[j * (X_end - X_start) + i] = self.DATA[(Y_start + j) * Width + X_start + i]
         self.send_data2(buf)
-            
-        self.send_command(0x13);     #writes New data to SRAM.
+
+        self.send_command(0x13)  # writes New data to SRAM.
         for j in range(0, Y_end - Y_start):
             for i in range(0, X_end - X_start):
-                buf[j * (X_end - X_start) + i] = ~Image[(Y_start + j)*Width + X_start + i]
-                self.DATA[(Y_start + j)*Width + X_start + i] = ~Image[(Y_start + j)*Width + X_start/8 + i]
+                buf[j * (X_end - X_start) + i] = ~Image[(Y_start + j) * Width + X_start + i]
+                self.DATA[(Y_start + j) * Width + X_start + i] = ~Image[(Y_start + j) * Width + X_start / 8 + i]
         self.send_data2(buf)
-            
-        self.send_command(0x12)   #DISPLAY REFRESH                
-        epdconfig.delay_ms(200)    #The delay here is necessary, 200uS at least!!!     
-        self.ReadBusy()
 
+        self.send_command(0x12)  # DISPLAY REFRESH
+        epdconfig.delay_ms(200)  # The delay here is necessary, 200uS at least!!!
+        self.ReadBusy()
 
     def display_4Gray(self, image):
-        self.send_command(0x92); 
+        self.send_command(0x92)
         self.set_lut()
         self.send_command(0x10)
 
-        if self.width%8 == 0:
-            linewidth = int(self.width/8)
+        if self.width % 8 == 0:
+            linewidth = int(self.width / 8)
         else:
-            linewidth = int(self.width/8) + 1
+            linewidth = int(self.width / 8) + 1
 
         buf = [0x00] * self.height * linewidth
 
-        for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)):                   # EPD_WIDTH * EPD_HEIGHT / 4
-            temp3=0
+        for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)):  # EPD_WIDTH * EPD_HEIGHT / 4
+            temp3 = 0
             for j in range(0, 2):
-                temp1 = image[i*2+j]
+                temp1 = image[i * 2 + j]
                 for k in range(0, 2):
-                    temp2 = temp1&0xC0 
-                    if(temp2 == 0xC0):
-                        temp3 |= 0x01#white
-                    elif(temp2 == 0x00):
-                        temp3 |= 0x00  #black
-                    elif(temp2 == 0x80): 
-                        temp3 |= 0x01  #gray1
-                    else: #0x40
-                        temp3 |= 0x00 #gray2
-                    temp3 <<= 1 
-                    
+                    temp2 = temp1 & 0xC0
+                    if temp2 == 0xC0:
+                        temp3 |= 0x01  # white
+                    elif temp2 == 0x00:
+                        temp3 |= 0x00  # black
+                    elif temp2 == 0x80:
+                        temp3 |= 0x01  # gray1
+                    else:  # 0x40
+                        temp3 |= 0x00  # gray2
+                    temp3 <<= 1
+
                     temp1 <<= 2
-                    temp2 = temp1&0xC0 
-                    if(temp2 == 0xC0):  #white
+                    temp2 = temp1 & 0xC0
+                    if temp2 == 0xC0:  # white
                         temp3 |= 0x01
-                    elif(temp2 == 0x00): #black
+                    elif temp2 == 0x00:  # black
                         temp3 |= 0x00
-                    elif(temp2 == 0x80):
-                        temp3 |= 0x01 #gray1
-                    else :   #0x40
-                            temp3 |= 0x00 #gray2 
-                    if(j!=1 or k!=1):    
+                    elif temp2 == 0x80:
+                        temp3 |= 0x01  # gray1
+                    else:  # 0x40
+                        temp3 |= 0x00  # gray2
+                    if j != 1 or k != 1:
                         temp3 <<= 1
                     temp1 <<= 2
             buf[i] = temp3
         self.send_data2(buf)
-            
-        self.send_command(0x13)     
-               
-        for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)):                #5808*4  46464
-            temp3=0
+
+        self.send_command(0x13)
+
+        for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)):  # 5808*4  46464
+            temp3 = 0
             for j in range(0, 2):
-                temp1 = image[i*2+j]
+                temp1 = image[i * 2 + j]
                 for k in range(0, 2):
-                    temp2 = temp1&0xC0 
-                    if(temp2 == 0xC0):
-                        temp3 |= 0x01#white
-                    elif(temp2 == 0x00):
-                        temp3 |= 0x00  #black
-                    elif(temp2 == 0x80):
-                        temp3 |= 0x00  #gray1
-                    else: #0x40
-                        temp3 |= 0x01 #gray2
-                    temp3 <<= 1 
-                    
+                    temp2 = temp1 & 0xC0
+                    if temp2 == 0xC0:
+                        temp3 |= 0x01  # white
+                    elif temp2 == 0x00:
+                        temp3 |= 0x00  # black
+                    elif temp2 == 0x80:
+                        temp3 |= 0x00  # gray1
+                    else:  # 0x40
+                        temp3 |= 0x01  # gray2
+                    temp3 <<= 1
+
                     temp1 <<= 2
-                    temp2 = temp1&0xC0 
-                    if(temp2 == 0xC0):  #white
+                    temp2 = temp1 & 0xC0
+                    if temp2 == 0xC0:  # white
                         temp3 |= 0x01
-                    elif(temp2 == 0x00): #black
+                    elif temp2 == 0x00:  # black
                         temp3 |= 0x00
-                    elif(temp2 == 0x80):
-                        temp3 |= 0x00 #gray1
-                    else:    #0x40
-                        temp3 |= 0x01 #gray2
-                    if(j!=1 or k!=1):     
+                    elif temp2 == 0x80:
+                        temp3 |= 0x00  # gray1
+                    else:  # 0x40
+                        temp3 |= 0x01  # gray2
+                    if j != 1 or k != 1:
                         temp3 <<= 1
                     temp1 <<= 2
             buf[i] = temp3
         self.send_data2(buf)
-        
+
         self.Gray_SetLut()
         self.send_command(0x12)
         epdconfig.delay_ms(200)
         self.ReadBusy()
         # pass
-    
+
     def Clear(self):
-        if self.width%8 == 0:
-            linewidth = int(self.width/8)
+        if self.width % 8 == 0:
+            linewidth = int(self.width / 8)
         else:
-            linewidth = int(self.width/8) + 1
+            linewidth = int(self.width / 8) + 1
 
         self.send_command(0x10)
-        self.send_data2([0xff] * int(self.height * linewidth)) 
-            
+        self.send_data2([0xff] * int(self.height * linewidth))
+
         self.send_command(0x13)
-        self.send_data2([0xff] * int(self.height * linewidth)) 
-            
-        self.send_command(0x12) 
+        self.send_data2([0xff] * int(self.height * linewidth))
+
+        self.send_command(0x12)
         self.ReadBusy()
 
     def sleep(self):
-        self.send_command(0x02) # POWER_OFF
+        self.send_command(0x02)  # POWER_OFF
         self.ReadBusy()
-        self.send_command(0x07) # DEEP_SLEEP
+        self.send_command(0x07)  # DEEP_SLEEP
         self.send_data(0XA5)
-        
+
         epdconfig.delay_ms(2000)
         epdconfig.module_exit()
-        
-### END OF FILE ###
 
+### END OF FILE ###

RaspberryPi_JetsonNano/python/lib/waveshare_epd/epdconfig.py

@@ -4,8 +4,8 @@
 # * | Function    :   Hardware underlying interface
 # * | Info        :
 # *----------------
-# * | This version:   V1.1
-# * | Date        :   2022-08-10
+# * | This version:   V1.2
+# * | Date        :   2022-10-29
 # * | Info        :   
 # ******************************************************************************
 # Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -37,10 +37,10 @@ logger = logging.getLogger(__name__)
 
 class RaspberryPi:
     # Pin definition
-    RST_PIN         = 17
-    DC_PIN          = 25
-    CS_PIN          = 8
-    BUSY_PIN        = 24
+    RST_PIN  = 17
+    DC_PIN   = 25
+    CS_PIN   = 8
+    BUSY_PIN = 24
 
     def __init__(self):
         import spidev
@@ -91,10 +91,10 @@ class RaspberryPi:
 
 class JetsonNano:
     # Pin definition
-    RST_PIN         = 17
-    DC_PIN          = 25
-    CS_PIN          = 8
-    BUSY_PIN        = 24
+    RST_PIN  = 17
+    DC_PIN   = 25
+    CS_PIN   = 8
+    BUSY_PIN = 24
 
     def __init__(self):
         import ctypes
@@ -151,13 +151,14 @@ class JetsonNano:
 
         self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN])
 
+
 class SunriseX3:
     # Pin definition
-    RST_PIN         = 17
-    DC_PIN          = 25
-    CS_PIN          = 8
-    BUSY_PIN        = 24
-    Flag           = 0
+    RST_PIN  = 17
+    DC_PIN   = 25
+    CS_PIN   = 8
+    BUSY_PIN = 24
+    Flag     = 0
 
     def __init__(self):
         import spidev
@@ -184,7 +185,7 @@ class SunriseX3:
         self.SPI.xfer3(data)
 
     def module_init(self):
-        if self.Flag == 0 :
+        if self.Flag == 0:
             self.Flag = 1
             self.GPIO.setmode(self.GPIO.BCM)
             self.GPIO.setwarnings(False)
@@ -198,7 +199,7 @@ class SunriseX3:
             self.SPI.max_speed_hz = 4000000
             self.SPI.mode = 0b00
             return 0
-        else :
+        else:
             return 0
 
     def module_exit(self):
@@ -212,6 +213,7 @@ class SunriseX3:
 
         self.GPIO.cleanup([self.RST_PIN, self.DC_PIN, self.CS_PIN, self.BUSY_PIN])
 
+
 if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'):
     implementation = RaspberryPi()
 elif os.path.exists('/sys/bus/platform/drivers/gpio-x3'):
@@ -222,5 +224,4 @@ else:
 for func in [x for x in dir(implementation) if not x.startswith('_')]:
     setattr(sys.modules[__name__], func, getattr(implementation, func))
 
-
 ### END OF FILE ###