fix python demo

1.54inch_e-paper_c_code/python2/epd1in54.py → 1.54inch_e-paper_c_code/python2/epd1in54c.py

@@ -110,12 +110,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         while(epdconfig.digital_read(self.busy_pin) == 1):      # 0: idle, 1: busy

1.54inch_e-paper_c_code/python2/main.py

@@ -1,13 +1,13 @@
 #!/usr/bin/python
 # -*- coding:utf-8 -*-
 
-import epd1in54
+import epd1in54c
 import time
 from PIL import Image,ImageDraw,ImageFont
 import traceback
 
 try:
-    epd = epd1in54.EPD()
+    epd = epd1in54c.EPD()
     epd.init(epd.lut_full_update)
     epd.Clear(0xFF)
     

1.54inch_e-paper_c_code/python3/epd1in54.py → 1.54inch_e-paper_c_code/python3/epd1in54c.py

@@ -82,6 +82,7 @@ class EPD:
         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
 
@@ -109,12 +110,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         while(epdconfig.digital_read(self.busy_pin) == 1):      # 0: idle, 1: busy

1.54inch_e-paper_c_code/python3/main.py

@@ -1,13 +1,13 @@
 #!/usr/bin/python
 # -*- coding:utf-8 -*-
 
-import epd1in54
+import epd1in54c
 import time
 from PIL import Image,ImageDraw,ImageFont
 import traceback
 
 try:
-    epd = epd1in54.EPD()
+    epd = epd1in54c.EPD()
     epd.init(epd.lut_full_update)
     epd.Clear(0xFF)
     

1.54inch_e-paper_code/python2/epd1in54.py

@@ -82,6 +82,7 @@ class EPD:
         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
 
@@ -109,12 +110,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         while(epdconfig.digital_read(self.busy_pin) == 1):      # 0: idle, 1: busy

1.54inch_e-paper_code/python3/epd1in54.py

@@ -82,6 +82,7 @@ class EPD:
         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
 
@@ -109,12 +110,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         while(epdconfig.digital_read(self.busy_pin) == 1):      # 0: idle, 1: busy

2.13inch_e-paper_b&c_code/python2/epd2in13b.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -113,12 +114,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print "e-Paper busy"

2.13inch_e-paper_b&c_code/python3/epd2in13b.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -113,12 +114,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

2.13inch_e-paper_code/python2/epd2in13.py

@@ -46,6 +46,7 @@ class EPD:
         self.cs_pin = epdconfig.CS_PIN
         self.width = EPD_WIDTH
         self.height = EPD_HEIGHT
+        
     lut_full_update = [
         0x22, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x11,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

2.13inch_e-paper_d_code/python2/epd2in13d.py

@@ -59,6 +59,7 @@ class EPD:
         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
 
@@ -174,12 +175,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

2.13inch_e-paper_d_code/python3/epd2in13d.py

@@ -59,6 +59,7 @@ class EPD:
         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
 
@@ -174,12 +175,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

2.7inch_e-paper_b_code/python2/epd2in7b.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -166,12 +167,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print "e-Paper busy"

2.7inch_e-paper_b_code/python3/epd2in7b.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -166,12 +167,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

2.7inch_e-paper_code/python2/epd2in7.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -159,12 +160,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):        
         while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: idle, 1: busy

2.7inch_e-paper_code/python3/epd2in7.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -159,12 +160,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):        
         while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: idle, 1: busy

2.9inch_e-paper_b&c_code/python2/epd2in9b.py

@@ -94,7 +94,8 @@ class EPD:
     def __init__(self):
         self.reset_pin = epdconfig.RST_PIN
         self.dc_pin = epdconfig.DC_PIN
-        self.busy_pin = epdconfig.BUSY_PIN
+        self.busy_pin = epdconfig.BUSY_PIN        
+        self.cs_pin = epdconfig.CS_PIN
         self.width = EPD_WIDTH
         self.height = EPD_HEIGHT
         
@@ -108,12 +109,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: idle, 1: busy

2.9inch_e-paper_b&c_code/python3/epd2in9b.py

@@ -95,6 +95,7 @@ class EPD:
         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
         
@@ -108,12 +109,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: idle, 1: busy

2.9inch_e-paper_code/python2/epd2in9.py

@@ -84,6 +84,7 @@ class EPD:
         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
 
@@ -111,12 +112,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         while(epdconfig.digital_read(self.busy_pin) == 1):      # 0: idle, 1: busy

2.9inch_e-paper_code/python3/epd2in9.py

@@ -84,6 +84,7 @@ class EPD:
         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
 
@@ -111,12 +112,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         while(epdconfig.digital_read(self.busy_pin) == 1):      # 0: idle, 1: busy

4.2inch_e-paper_b&c_code/python2/epd4in2b.py

@@ -101,6 +101,7 @@ class EPD:
         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
 
@@ -114,12 +115,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

4.2inch_e-paper_b&c_code/python3/epd4in2b.py

@@ -101,6 +101,7 @@ class EPD:
         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
 
@@ -114,12 +115,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

4.2inch_e-paper_code/python2/epd4in2.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -159,12 +160,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):        
         while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: idle, 1: busy

4.2inch_e-paper_code/python3/epd4in2.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -159,12 +160,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):        
         while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: idle, 1: busy

5.83inch_e-paper_b&c_code/python2/epd5in83b.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -113,12 +114,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

5.83inch_e-paper_b&c_code/python3/epd5in83b.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -113,12 +114,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

5.83inch_e-paper_code/python2/epd5in83.py

@@ -100,6 +100,7 @@ class EPD:
         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
     
@@ -113,12 +114,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

5.83inch_e-paper_code/python3/epd5in83.py

@@ -100,6 +100,7 @@ class EPD:
         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
     
@@ -113,12 +114,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

7.5inch_e-paper_b&c_code/python2/epd7in5b.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -113,12 +114,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

7.5inch_e-paper_b&c_code/python3/epd7in5b.py

@@ -100,6 +100,7 @@ class EPD:
         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
 
@@ -113,12 +114,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

7.5inch_e-paper_code/python2/epd7in5.py

@@ -100,6 +100,7 @@ class EPD:
         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
     
@@ -113,12 +114,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")

7.5inch_e-paper_code/python3/epd7in5.py

@@ -100,6 +100,7 @@ class EPD:
         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
     
@@ -113,12 +114,16 @@ class EPD:
         epdconfig.delay_ms(200)   
 
     def send_command(self, command):
-        epdconfig.digital_write(self.dc_pin, GPIO.LOW)
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
+        epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([command])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
 
     def send_data(self, data):
+        epdconfig.digital_write(self.cs_pin, GPIO.LOW)
         epdconfig.digital_write(self.dc_pin, GPIO.HIGH)
         epdconfig.spi_writebyte([data])
+        epdconfig.digital_write(self.cs_pin, GPIO.HIGH)
         
     def wait_until_idle(self):
         print("e-Paper busy")