Merge branch 'master' of github.com:pvcraven/networking_down_under

SendData.java

@@ -5,20 +5,20 @@
 public class SendData {
 
     public static void main(String[] args) throws Exception {
+
         InetAddress serverAddress = InetAddress.getByName("127.0.0.1");
         int serverPort =  10000;
+        String myData = "Hello world!";
 
-        System.out.println("Connecting...");
         Socket socket = new Socket(serverAddress, serverPort);
 
-        System.out.println("Connected, sending data...");
-
-        String myData = "Hello world!";
         boolean autoFlush = true;
         PrintWriter out = new PrintWriter(socket.getOutputStream(), autoFlush);
         out.print(myData);
         out.flush();
 
-        System.out.println("Done");
+        socket.close();
+
+        System.out.println("Done sending message.");
     }
 }

ascii_numbers.py

@@ -7,9 +7,9 @@
 line_height = 7
 
 # List of characters
-letters = []
+characters = []
 
-letter = """
+character = """
  ### 
 #   #
 #   #
@@ -18,9 +18,9 @@
 #   #
  ### 
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
-letter = """
+character = """
  # 
 ## 
  # 
@@ -29,9 +29,9 @@
  # 
 ###
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
-letter = """
+character = """
  ### 
 #   #
     #
@@ -40,9 +40,9 @@
  #   
 #####
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
-letter = """
+character = """
  ### 
 #   #
     #
@@ -51,9 +51,9 @@
 #   #
  ### 
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
-letter = """
+character = """
 #   # 
 #   # 
 #   # 
@@ -62,9 +62,9 @@
     # 
     # 
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
-letter = """
+character = """
 #####
 #    
 #    
@@ -73,9 +73,9 @@
     #
 #### 
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
-letter = """
+character = """
  ### 
 #   #
 #    
@@ -84,9 +84,9 @@
 #   #
  ### 
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
-letter = """
+character = """
 #####
     #
     #
@@ -95,9 +95,9 @@
  #   
 #    
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
-letter = """
+character = """
  ### 
 #   #
 #   #
@@ -106,9 +106,9 @@
 #   #
  ### 
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
-letter = """
+character = """
  ### 
 #   #
 #   #
@@ -117,9 +117,9 @@
 #   #
  ### 
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
-letter = """
+character = """
   
   
   
@@ -128,11 +128,10 @@
 ##
 ##
 """
-letters.append(letter.split("\n"))
+characters.append(character.split("\n"))
 
 # Create a mapping of character letters, to letters in our list
 mapping_characters = "0123456789."
-mapping_indexes = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
 
 
 def print_string(input_string: str):
@@ -144,18 +143,14 @@ def print_string(input_string: str):
 
     # Create a list that, instead of the string, has the index locations
     # of our banner characters. So instead of "1.2" we have [1, 10, 2]
-    index_locations = []
-    for character in input_string:
-        if character in mapping_characters:
-            my_index = mapping_characters.index(character)
-            index_locations.append(my_index)
+    index_locations = [mapping_characters.index(character) for character in input_string]
 
     # Now loop through each line
     for line_no in range(1, line_height + 1):
         # Loop though each index location to print
-        for character in index_locations:
+        for index_location in index_locations:
             # Print that line of the character
-            print(letters[character][line_no], end="  ")
+            print(characters[index_location][line_no], end="  ")
         # Go to the next line
         print()
 

decode_message_1.py

@@ -0,0 +1,32 @@
+import time
+import RPi.GPIO as GPIO
+
+CLOCK_CHANNEL = 16
+DATA_CHANNEL = 23
+
+# This is a callback function that will be called whenever we have a high/low
+# or low/high change in the signal.
+def my_callback(channel):
+    result = GPIO.input(DATA_CHANNEL);
+    if result:
+        print("1")
+    else:
+        print("0")
+
+# Set pin 12 up for input
+GPIO.setmode(GPIO.BCM)
+GPIO.setup(CLOCK_CHANNEL, GPIO.IN)
+GPIO.setup(DATA_CHANNEL, GPIO.IN)
+
+# Now we have to 'register' the callback function so that the GPIO library
+# will call the function when the change occurs on pin 12.
+# GPIO.BOTH means it is called on both rising and falling changes.
+# Use GPIO.FALLING if you want it called for high to low
+# Use GPIO.RISING if you want it called low to high
+GPIO.add_event_detect(CLOCK_CHANNEL, GPIO.FALLING, callback=my_callback)
+
+# Now just wait forever.
+print("Running")
+while True:
+    time.sleep(10)
+    print("Still running")

decode_message_2.py

@@ -0,0 +1,39 @@
+import time
+import RPi.GPIO as GPIO
+
+CLOCK_CHANNEL = 16
+DATA_CHANNEL = 23
+
+# This is a callback function that will be called whenever we have a high/low
+# or low/high change in the signal.
+def my_callback(channel):
+    result = GPIO.input(DATA_CHANNEL);
+    if result:
+        print("1", end="")
+    else:
+        print("0", end="")
+
+    my_callback.counter += 1
+    if my_callback.counter > 7:
+        print()
+        my_callback.counter = 0
+
+my_callback.counter = 0
+
+# Set pin 12 up for input
+GPIO.setmode(GPIO.BCM)
+GPIO.setup(CLOCK_CHANNEL, GPIO.IN)
+GPIO.setup(DATA_CHANNEL, GPIO.IN)
+
+# Now we have to 'register' the callback function so that the GPIO library
+# will call the function when the change occurs on pin 12.
+# GPIO.BOTH means it is called on both rising and falling changes.
+# Use GPIO.FALLING if you want it called for high to low
+# Use GPIO.RISING if you want it called low to high
+GPIO.add_event_detect(CLOCK_CHANNEL, GPIO.FALLING, callback=my_callback)
+
+# Now just wait forever.
+print("Running")
+while True:
+    time.sleep(10)
+    print("Still running")

decode_message_3.py

@@ -0,0 +1,42 @@
+import time
+import RPi.GPIO as GPIO
+
+CLOCK_CHANNEL = 16
+DATA_CHANNEL = 23
+
+# This is a callback function that will be called whenever we have a high/low
+# or low/high change in the signal.
+def my_callback(channel):
+    result = GPIO.input(DATA_CHANNEL);
+    if result:
+        print("1", end="")
+        my_callback.result_byte += 1 << (7 - my_callback.counter)
+    else:
+        print("0", end="")
+
+    my_callback.counter += 1
+    if my_callback.counter > 7:
+        print(" = {} = {}".format(my_callback.result_byte, chr(my_callback.result_byte)))
+        my_callback.counter = 0
+        my_callback.result_byte = 0
+
+my_callback.counter = 0
+my_callback.result_byte = 0
+
+# Set pin 12 up for input
+GPIO.setmode(GPIO.BCM)
+GPIO.setup(CLOCK_CHANNEL, GPIO.IN)
+GPIO.setup(DATA_CHANNEL, GPIO.IN)
+
+# Now we have to 'register' the callback function so that the GPIO library
+# will call the function when the change occurs on pin 12.
+# GPIO.BOTH means it is called on both rising and falling changes.
+# Use GPIO.FALLING if you want it called for high to low
+# Use GPIO.RISING if you want it called low to high
+GPIO.add_event_detect(CLOCK_CHANNEL, GPIO.FALLING, callback=my_callback)
+
+# Now just wait forever.
+print("Running")
+while True:
+    time.sleep(60)
+    print("Still running")

requirements.txt

@@ -1,3 +1,4 @@
 cherrypy
 pillow
-colorama
+colorama
+lxml

send_email.py

@@ -7,6 +7,10 @@
 port = 465
 server_name = "smtp.gmail.com"
 
+# Setting the debug level to 1 will output everything that is sent to,
+# or recevied from the server
+debug_level = 1
+
 username = input("Enter your username: ")
 password = input("Type your password: ")
 destination_address = input("Enter destination email address: ")
@@ -17,5 +21,6 @@
 context = ssl.create_default_context()
 
 with smtplib.SMTP_SSL(server_name, port, context=context) as server:
+    server.set_debuglevel(debug_level)
     server.login(username, password)
     server.sendmail(username, destination_address, message)