Added data.json and comments to python

res/data.json

@@ -1,3 +1,8 @@
 {
-    "device-id": "1A86:7523"
+    "device-id": "1A86:7523",
+    "system-sounds": "Systeem",
+    "custom-names" : {
+        "firefox.exe": "Firefox",
+        "Discord.exe": "Discord"
+    }
 }

src/arduino/arduino-mixer.ino

@@ -405,7 +405,6 @@ void loop() // Loop code
   // Check time
   dt = millis() - time;
   time = millis();
-  Serial.println(interval);
 
   // Check for serial data or commands
   checkSerial();

src/python/start.py

@@ -3,9 +3,10 @@ from pprint import pprint
 import serial
 import serial.tools.list_ports
 import time
+import json
 
 def main():
-    print ("Starting Arduino Mixer...\n")
+    print ("\nArduino Mixer by Arne van Iterson\n")
     
     # Get audio sessions
     sessions = AudioUtilities.GetAllSessions()
@@ -13,7 +14,20 @@ def main():
     for session in sessions:
         print ("  " + str(session.DisplayName) + ": " + str(session.Process and session.Process.name()))
 
+    # Get data from data.json
+    with open("./res/data.json") as file:
+        jsonData = json.load(file)
+        print("\nArduino Device ID found:\n  " + str(jsonData['device-id']))
+
+        print("\nCustom names found:")
+        print("  System sounds -> " + str(jsonData['system-sounds']))
+        for process, name in jsonData['custom-names'].items():
+            print("  " + str(process) + " -> " + str(name))
+
     # Init serial connection
+    board = serial.Serial()
+    board.baudrate = 115200
+
     ports = serial.tools.list_ports.comports()
     if len(ports) == 0:
         print("\nNo Serial ports Available")
@@ -22,12 +36,19 @@ def main():
         print ("\nSerial ports Available:")
         for port, desc, hwid in sorted(ports):
             print("  {}: {} [{}]".format(port, desc, hwid))
-        
-        board = serial.Serial()
-        board.baudrate = 115200
-        board.port = input("\nSelect COM port: ")
+            # Check if hwid matches id found in data.json and select if so
+            if jsonData["device-id"] in hwid:
+                board.port = port
+
+        # Ask for port if a match is not found
+        if not (board.port):
+            board.port = "COM" + input("\nSelect COM port number: ")
+
+        # Connect to serial port
+        print("Connecting to " + str(board.port))
         board.open()
 
+        # Reset arduino and wait for it to finish startup
         print ("Waiting for arduino...")
         time.sleep(5)
         board.write("<HELLO>".encode("utf-8"))
@@ -41,7 +62,16 @@ def main():
         startMarker = '60' # <
         endMarker = '62' # >
 
-        while True:
+        timeout = 30
+        t = time.time()
+
+        while timeout != 0:
+            # Keep track of time
+            # TODO: Add timeouts to detect a disconnect
+            dt = time.time() - t
+            t = time.time()
+
+            # Check for command markers
             for c in board.read():
                 if c == 62:
                     recvInProgress = False
@@ -65,28 +95,40 @@ def main():
                 elif command == "SWITCH":
                     currentProgram = int(data)
                     program = sessions[currentProgram]
+                    displayName = None
 
                     volume = program.SimpleAudioVolume.GetMasterVolume()
                     
+                    # Always rename system sounds because the name is too long to be handled by the Arduino
                     if program.DisplayName == "@%SystemRoot%\System32\AudioSrv.Dll,-202":
-                        name = "Systeem"
-                    elif str(program.Process and program.Process.name()) == "firefox.exe":
-                        name = "Firefox"
-                    elif str(program.Process and program.Process.name()) == "Discord.exe":
-                        name = "Discord"
-                    elif program.DisplayName != "":
-                        name = str(program.DisplayName)
-                    else:
-                        name = str(program.Process and program.Process.name())
+                        displayName = jsonData['system-sounds']
+                    elif program.Process and program.Process.name():
+                        # Check custom names from data.json
+                        for process, name in jsonData['custom-names'].items():
+                            if program.Process and program.Process.name() == process:
+                                displayName = str(name)
+                        # If no name is found check for a DisplayName
+                        if displayName is None:
+                            if program.DisplayName != "":
+                                displayName = str(program.DisplayName)
+                            else:
+                                # If no DisplayName is found, use the process name
+                                # TODO: Remove '.exe'
+                                displayName = str(program.Process and program.Process.name())
                     
-                    board.write(("<NAME," + name + ">").encode())
+                    # Write data to arduino
+                    board.write(("<NAME," + displayName + ">").encode())
                     board.write(("<GETVOL," + str(round(volume * 100)) + ">").encode())
                 elif command == "SETVOL":
+                    # Change volume of selected program
+                    # TODO: Send volume to arduino if volume is changed some other way
                     audio = sessions[currentProgram].SimpleAudioVolume
 
                     audio.SetMasterVolume(float(data) / 100, None)
 
                     volume = audio.GetMasterVolume()
+
+                    # Send confirmation to arduino
                     board.write(("<GETVOL," + str(round(volume * 100)) + ">").encode())
 
                 line = []