fix readme

1.54inch_e-paper_b_code/python2/epd1in54b.py

@@ -98,6 +98,7 @@ 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
 
@@ -151,12 +152,16 @@ 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

1.54inch_e-paper_b_code/python3/epd1in54b.py

@@ -98,6 +98,7 @@ 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
 
@@ -151,12 +152,16 @@ 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

1.54inch_e-paper_c_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
 

2.13inch_e-paper_d_code/bcm2835/readme.txt

@@ -1,7 +1,7 @@
 /******************************************************************************
  * File Name          : readme.txt
  * Description        : Readme file
- * Date               : July-28-2017
+ * Date               : 2019-04-08
  ******************************************************************************
  *
  * Copyright (c) 2017 Waveshare
@@ -66,13 +66,24 @@
   * BUSY   ->    18 (Physical, BCM: 24)
 
   == How to use ==
-  1, install the C libraries of bcm2835, see: http://www.airspayce.com/mikem/bcm2835/
+    1, open spidev.
-  2, change the current directory to where the Makefile and demo files located.
+        spi is enabled in config.txt:
-  3, compile the file with: 
+        dtparam=spi=on
+    or in shell:
+        sudo raspi-config
+            - 5 Interfacing Options  Configure connections to peripherals
+                - 5 Interfacing Options  Configure connections to peripherals
+    
+    2, install the C libraries of bcm2835, see: http://www.airspayce.com/mikem/bcm2835/
+    
+    3, change the current directory to where the Makefile and demo files located.
+    
+    4, compile the file with: 
         make
-     If you need to see the debug information, clear the execution:
+    # If you need to see the debug information, clear the execution:
         make DEBUG=-DDEBUG
-  4, run the demo with: 
+    
+    5, run the demo with: 
        sudo ./epd
   */
 

2.13inch_e-paper_d_code/python2/readme.txt

@@ -1,7 +1,7 @@
 /******************************************************************************
  * File Name          : readme.txt
  * Description        : Readme file
- * Date               : July-28-2017
+ * Date               : 2019-04-08
  ******************************************************************************
  *
  * Copyright (c) 2017 Waveshare
@@ -68,10 +68,25 @@
   * BUSY   ->    18 (Physical, BCM: 24)
   
     == How to use ==
-  1, install the Python libraries.
+    1, open spidev.
-  2, change the current directory to where the demo files located.
+        spi is enabled in config.txt:
-  3, run the demo with: 
+        dtparam=spi=on
-     python main.py
+    or in shell:
+        sudo raspi-config
+            - 5 Interfacing Options  Configure connections to peripherals
+                - 5 Interfacing Options  Configure connections to peripherals
         
+    2, install the Python libraries.
+        sudo apt-get install python-pip 
+        sudo pip install RPi.GPIO
+        sudo pip install spidev
+        sudo apt-get install ttf-wqy-zenhei ttf-wqy-microhei
+
+    3, change the current directory to where the demo files located.
+
+    4, run the demo with: 
+        sudo python main.py
+    # if use python3:
+        sudo python3 main.py
 */
 

2.13inch_e-paper_d_code/python3/readme.txt

@@ -1,7 +1,7 @@
 /******************************************************************************
  * File Name          : readme.txt
  * Description        : Readme file
- * Date               : July-28-2017
+ * Date               : 2019-04-08
  ******************************************************************************
  *
  * Copyright (c) 2017 Waveshare
@@ -68,10 +68,25 @@
   * BUSY   ->    18 (Physical, BCM: 24)
   
     == How to use ==
-  1, install the Python libraries.
+    1, open spidev.
-  2, change the current directory to where the demo files located.
+        spi is enabled in config.txt:
-  3, run the demo with: 
+        dtparam=spi=on
-     python main.py
+    or in shell:
+        sudo raspi-config
+            - 5 Interfacing Options  Configure connections to peripherals
+                - 5 Interfacing Options  Configure connections to peripherals
         
+    2, install the Python libraries.
+        sudo apt-get install python-pip 
+        sudo pip install RPi.GPIO
+        sudo pip install spidev
+        sudo apt-get install ttf-wqy-zenhei ttf-wqy-microhei
+
+    3, change the current directory to where the demo files located.
+
+    4, run the demo with: 
+        sudo python main.py
+    # if use python3:
+        sudo python3 main.py
 */
 

2.13inch_e-paper_d_code/wiringpi/readme.txt

@@ -1,7 +1,7 @@
 /******************************************************************************
  * File Name          : readme.txt
  * Description        : Readme file
- * Date               : July-28-2017
+ * Date               : 2019-04-08
  ******************************************************************************
  *
  * Copyright (c) 2017 Waveshare
@@ -66,13 +66,28 @@
   * BUSY   ->    18 (Physical, BCM: 24)
 
   == How to use ==
-  1, install the C libraries of bcm2835, see: http://www.airspayce.com/mikem/bcm2835/
+    1, open spidev.
-  2, change the current directory to where the Makefile and demo files located.
+        spi is enabled in config.txt:
-  3, compile the file with: 
+        dtparam=spi=on
+    or in shell:
+        sudo raspi-config
+            - 5 Interfacing Options  Configure connections to peripherals
+                - 5 Interfacing Options  Configure connections to peripherals
+    
+    2, install the C libraries：
+        sudo apt-get install git
+        sudo git clone git://git.drogon.net/wiringPi
+        cd wiringPi
+        sudo ./build
+    
+    3, change the current directory to where the Makefile and demo files located.
+    
+    4, compile the file with: 
        make
-     If you need to see the debug information, clear the execution:
+    # If you need to see the debug information, clear the execution:
         make DEBUG=-DDEBUG    
-  4, run the demo with: 
+    
+    5, run the demo with: 
        sudo ./epd
   */