Updated original repo to work with Ubuntu 24.04

.gitignore

@@ -0,0 +1,2 @@
+mido
+threading

README.md

@@ -2,3 +2,56 @@
 sample sequencer for raspberry pi
 
 Video Example here! https://youtu.be/zX5hSGyLj7c 
+
+The sequencer has 4 polyphony and allows the user to store and cue up 6 different sequences 
+that they can alternate between in real time, and supports the ability to change between different samples. 
+
+The Asterisk * and the Period. both operate as function keys.
+
+MAINFUNCTIONS
+
+[8] - Toggle Metronome on and off
+
+[9] - Toggle Recording Mode on and off
+
+[Enter] - Play/Pause sequence
+
+[0] - Delete Current Note in Sequence
+
+[Num Lock and *] - Shut down
+
+[MIDI Note and .] - Don't quantize to even numbers
+
+TEMPO FUNCTIONS
+
+[+] - Course Speed Up BPM
+
+[-] - Course Slow Down BPM
+
+[+ and *] - Rapidly Speed Up BPM
+
+[- and *] - Rapidly Slow Down BPM
+
+[+ and .] - Fine Speed Up BPM
+
+[- and .] - Fine Slow Down BPM
+
+SEQUENCE FUNCTIONS
+
+[1-6] Recall Sequence 1-6
+
+[1-6 and .] Store Sequence 1-6
+
+[0 and .] Clear Current Sequence
+
+CHANGING SAMPLE FOLDERS
+
+[1-9 and *] - Change to Sample Pack in Folders 1-9
+
+[1-9 and * and .] - Change to Sample Pack in Folders 10-18
+
+SEQUENCE TIPS:
+
+-Clear the current sequence [0 and .] and store it to any sequences you want cleared out of memory.
+
+-Recall a sequence and store it to a different number to copy it.

audiohelp.py

@@ -0,0 +1,79 @@
+import pygame
+import sys
+import os
+import time
+
+def test_audio():
+    print("=== Pygame Audio System Test ===")
+    print("Initializing Pygame Audio System...")
+    
+    # Initialize pygame mixer with specific settings
+    try:
+        pygame.mixer.pre_init(22050, -16, 8, 512)
+        pygame.init()
+        print("✓ Pygame initialized successfully")
+    except Exception as e:
+        print(f"✗ Failed to initialize pygame: {e}")
+        return False
+
+    # Check mixer initialization
+    try:
+        print("\nChecking audio configuration...")
+        mixer_settings = pygame.mixer.get_init()
+        if mixer_settings:
+            freq, format, channels = mixer_settings
+            print(f"✓ Sample rate: {freq}Hz")
+            print(f"✓ Format: {format}")
+            print(f"✓ Channels: {channels}")
+        else:
+            print("✗ Mixer not initialized")
+            return False
+    except Exception as e:
+        print(f"✗ Failed to get mixer info: {e}")
+        return False
+
+    # Try to load and play the metronome sound
+    try:
+        print("\nTesting sound playback...")
+        
+        if not os.path.exists("metronome.wav"):
+            print("✗ Could not find metronome.wav")
+            return False
+            
+        test_sound = pygame.mixer.Sound("metronome.wav")
+        print("✓ Metronome sound loaded successfully")
+        print("\nPlaying metronome sound on loop...")
+        print("Can you hear the sound? (y/n)")
+        
+        # Play sound on loop
+        channel = test_sound.play(-1)  # -1 means loop indefinitely
+        
+        response = input().lower()
+        channel.stop()  # Stop the sound
+        
+        if response == 'y':
+            print("✓ Audio test successful!")
+            return True
+        else:
+            print("✗ Audio test failed - no sound heard")
+            return False
+        
+    except Exception as e:
+        print(f"✗ Failed to play test sound: {e}")
+        return False
+
+if __name__ == "__main__":
+    success = test_audio()
+    
+    if success:
+        print("\n✓ Audio system is working correctly!")
+    else:
+        print("\n✗ Audio system test failed. Please check your audio configuration.")
+        print("Troubleshooting tips:")
+        print("1. Check if your speakers/headphones are connected and turned on")
+        print("2. Check if system volume is unmuted and turned up")
+        print("3. Verify metronome.wav exists in the same directory as this script")
+        print("4. Try running 'pygame.mixer.quit()' and reinitializing if audio stops working")
+    
+    print("\nPress Enter to exit...")
+    input() 

midihelp.py

@@ -1,9 +1,69 @@
-import threading
 import mido
+import time
+import sys
 
+def test_midi():
+    print("=== MIDI Connection Test ===")
+    
+    # Check available ports
+    try:
+        ins = mido.get_input_names()
+        print("\nAvailable MIDI input ports:")
+        for i, port in enumerate(ins):
+            print(f"{i + 1}. {port}")
+        
+        if not ins:
+            print("No MIDI input ports found!")
+            return False
+            
+        # Look for LPD8
+        lpd8_ports = [port for port in ins if 'LPD8' in port]
+        if lpd8_ports:
+            print("\nFound LPD8 device:", lpd8_ports[0])
+            port_name = lpd8_ports[0]
+        else:
+            print("\nLPD8 not found. Please select a port number:")
+            choice = input("> ")
+            try:
+                port_name = ins[int(choice) - 1]
+            except (ValueError, IndexError):
+                print("Invalid selection!")
+                return False
+        
+        # Try to open the port
+        print(f"\nAttempting to connect to: {port_name}")
+        with mido.open_input(port_name) as inport:
+            print("✓ Successfully opened MIDI port")
+            print("\nNow listening for MIDI messages...")
+            print("Press pads/knobs on your controller (Ctrl+C to exit)")
+            
+            try:
+                while True:
+                    msg = inport.poll()
+                    if msg:
+                        print(f"Received: {msg}")
+                    time.sleep(0.1)  # Small delay to prevent CPU hogging
+                        
+            except KeyboardInterrupt:
+                print("\nTest completed!")
+                return True
+                
+    except Exception as e:
+        print(f"\nError: {e}")
+        print("\nTroubleshooting tips:")
+        print("1. Make sure your MIDI device is properly connected")
+        print("2. Try unplugging and reconnecting the USB cable")
+        print("3. Check if device shows up in your system's MIDI devices")
+        print("4. Ensure no other applications are using the MIDI port")
+        return False
 
-ins = mido.get_input_names()
-print(ins)
-inport = mido.open_input(ins[0])
-for msg in inport:
-    print(msg)
+if __name__ == "__main__":
+    success = test_midi()
+    
+    if success:
+        print("\n✓ MIDI system is working correctly!")
+    else:
+        print("\n✗ MIDI test failed. Please check your MIDI configuration.")
+    
+    print("\nPress Enter to exit...")
+    input()

sampSeq.py

@@ -31,18 +31,34 @@ class ThreadedMidi(threading.Thread):
         threading.Thread.__init__(self, *args, **kwargs)
         self.daemon = True
         self.start()
+    
     def run(self):
         # get mido going
         ins = mido.get_input_names()
-        print(ins)
-        inport = mido.open_input(ins[0])
-        for msg in inport:
-            print(msg)
-            if msg.type != "program_change":
-                if msg.type == "note_on":
-                   playSound(msg.note)
-            else:
-                toggleSeq()
+        print("Available MIDI inputs:", ins)
+        
+        # Look specifically for the LPD8
+        lpd8_ports = [port for port in ins if 'LPD8' in port]
+        if not lpd8_ports:
+            print("Warning: LPD8 not found in MIDI devices")
+            return
+            
+        try:
+            print(f"Attempting to connect to {lpd8_ports[0]}")
+            inport = mido.open_input(lpd8_ports[0])
+            print("Successfully connected to LPD8")
+            
+            print("Waiting for MIDI messages... (Press pads or knobs on LPD8)")
+            for msg in inport:
+                print(f"Received MIDI message: {msg}")
+                if msg.type != "program_change":
+                    if msg.type == "note_on":
+                        playSound(msg.note)
+                else:
+                    toggleSeq()
+                    
+        except Exception as e:
+            print(f"Error in MIDI handling: {e}")
 
 ##FUNCTIONS
 def playSound(note):
@@ -78,12 +94,18 @@ def playSound(note):
     
 
 def makeNoise(note):
-    j = 0; 
+    j = 0
     while j < len(noteList):
-            if note==noteList[j]: 
-                cha[j].play(s[j])
-                break;
-            j = j + 1
+        if note == noteList[j]:
+            try:
+                if s[j] and cha[j]:  # Check if sound and channel exist
+                    cha[j].play(s[j])
+                else:
+                    print(f"Warning: Missing sound or channel for note {note}")
+            except Exception as e:
+                print(f"Error playing note {note}: {e}")
+            break
+        j = j + 1
 
 def toggleSeq():
     #Func turns on and off sequence
@@ -139,8 +161,18 @@ def setWavs(pathnm):
     
 
 ##INIT PYGAME MIXER   
-pygame.mixer.pre_init(22050, -16, 8, 512)
-pygame.init()
+# Initialize with explicit settings and error handling
+try:
+    pygame.mixer.pre_init(22050, -16, 8, 512)
+    pygame.init()
+    mixer_settings = pygame.mixer.get_init()
+    if mixer_settings:
+        print(f"Audio initialized - Sample rate: {mixer_settings[0]}Hz, Format: {mixer_settings[1]}, Channels: {mixer_settings[2]}")
+    else:
+        print("Warning: Mixer not properly initialized")
+except Exception as e:
+    print(f"Error initializing audio: {e}")
+    sys.exit(1)
 
 swing = 0
 setMidi = False
@@ -148,21 +180,27 @@ met = True
 ##GET WAVES FROM CURRENT FOLDER
 chnWav = False
 foldNum = 1 #CHANGE TO NUMBER OF SUBFOLDERS
-paths = [0] * foldNum 
+paths = []  # Initialize as empty list
 extension = '/*.wav'
 iya = 0
-for root, dirs, files in os.walk("."):
+
+# Change from "." to "samples" directory
+for root, dirs, files in os.walk("samples"):
     for dir in dirs:
         print(dir)
-        paths[iya] = (dir + extension)
+        paths.append(os.path.join("samples", dir + extension))  # Use os.path.join for proper path handling
         iya = iya + 1
-        
+
+# If no directories found, use samples directory itself
+if not paths:
+    paths = [os.path.join("samples", extension[1:])]  # Remove leading slash from extension
 
 wavs = glob.glob(paths[0])
 wavs = sorted(wavs)
 mets = glob.glob('*.wav')
 ##MIDI NOTE NUMBERS TO PLAY
-noteList = [36, 38, 40, 41, 43, 45, 47, 48, 50, 52, 53, 55, 57, 59, 60, 62]
+noteList = [36, 37, 38, 39, 40, 41, 42, 43]
+# noteList = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
 ##SEQUENCER SIZE
 seqSize = 32
 ##SEQUENCES
@@ -186,91 +224,131 @@ cha = [0] * 16
 metro = pygame.mixer.Sound(mets[0])
 
 for i in range(len(wavs)):
-    if i > 15: break
+    if i > 15: 
+        break
     else:
-        print(str(i))
-        if i > 7 :
-           cha[i] = pygame.mixer.Channel(i - 8);
-        else:
-           cha[i] = pygame.mixer.Channel(i);
-
-        s[i] = pygame.mixer.Sound(wavs[i])
+        try:
+            print(f"Loading sound {i}: {wavs[i]}")
+            if i > 7:
+                cha[i] = pygame.mixer.Channel(i - 8)
+            else:
+                cha[i] = pygame.mixer.Channel(i)
+            s[i] = pygame.mixer.Sound(wavs[i])
+        except Exception as e:
+            print(f"Error loading sound {i}: {e}")
+            s[i] = None
+            cha[i] = None
 
 ##START RUNNING MIDI
 tm = ThreadedMidi(name='Play-Thread')
 re = True
-pygame.display.set_mode()
+screen = pygame.display.set_mode((800, 600), pygame.RESIZABLE)
+pygame.display.set_caption("Sample Sequencer")
+
+# Add this helper function at the top with other functions
+def print_key_press(key_name, action):
+    print(f"Key press: {key_name} - {action}")
+
 while True:
     for event in pygame.event.get():
         if event.type == pygame.KEYDOWN:
-            if event.key == pygame.K_KP_PLUS:
-                if chnWav == True: d.time = d.time + 15
-                else:
-                    if re == False: d.time = d.time + 1
-                    else: d.time = d.time + 5
+            # Print raw key info for debugging
+            print(f"Raw key event - key: {event.key}, unicode: {event.unicode}")
+            
+            # Main Functions
+            if event.key in [pygame.K_KP8, pygame.K_8]:
+                print_key_press("8", "Toggle Metronome")
+                if not chnWav:  # Only if not in sample change mode
+                    met = not met
+                    print(f"Metronome: {'ON' if met else 'OFF'}")
 
-            if event.key == pygame.K_KP_MINUS:
-                if chnWav == True: d.time = d.time - 15
-                else:
-                    if re == False: d.time = d.time - 1
-                    else: d.time = d.time - 5
-            if event.key == pygame.K_KP_ENTER:
+            elif event.key in [pygame.K_KP9, pygame.K_9]:
+                print_key_press("9", "Toggle Recording Mode")
+                if not chnWav:
+                    OVRHT = not OVRHT
+                    print(f"Recording Mode: {'ON' if OVRHT else 'OFF'}")
+
+            elif event.key in [pygame.K_KP_ENTER, pygame.K_RETURN]:
+                print_key_press("Enter", "Play/Pause sequence")
                 toggleSeq()
                 d.tick = 31
-            if event.key == pygame.K_KP_MULTIPLY:
-                chnWav = True
-            if event.key == pygame.K_NUMLOCK:
-                if chnWav == True:
-                    call("sudo shutdown -h now", shell=True)
-                    pygame.quit()
-                    sys.exit()
-                
-            if event.key == pygame.K_KP0:
-                if re == False:
-                    seq[0] = [0] * seqSize;
-                    seq[1] = [0] * seqSize;
-                    seq[2] = [0] * seqSize;
-                    seq[3] = [0] * seqSize;
-                else:
+
+            elif event.key in [pygame.K_KP0, pygame.K_0]:
+                print_key_press("0", "Delete Current Note")
+                if re:  # When not in store mode
                     delCur = True
 
-            if event.key == pygame.K_KP_PERIOD:
+            # Tempo Functions
+            elif event.key in [pygame.K_KP_PLUS, pygame.K_PLUS, pygame.K_EQUALS]:
+                if chnWav:
+                    print_key_press("+ *", "Rapidly Speed Up BPM")
+                    d.time = d.time + 15
+                elif not re:
+                    print_key_press("+", "Course Speed Up BPM")
+                    d.time = d.time + 1
+                else:
+                    print_key_press("+ .", "Fine Speed Up BPM")
+                    d.time = d.time + 5
+                print(f"New BPM: {d.time}")
+
+            elif event.key in [pygame.K_KP_MINUS, pygame.K_MINUS]:
+                if chnWav:
+                    print_key_press("- *", "Rapidly Slow Down BPM")
+                    d.time = d.time - 15
+                elif not re:
+                    print_key_press("-", "Course Slow Down BPM")
+                    d.time = d.time - 1
+                else:
+                    print_key_press("- .", "Fine Slow Down BPM")
+                    d.time = d.time - 5
+                print(f"New BPM: {d.time}")
+
+            # Function key toggles
+            elif event.key in [pygame.K_KP_MULTIPLY, pygame.K_ASTERISK]:
+                print_key_press("*", "Function key pressed")
+                chnWav = True
+
+            elif event.key in [pygame.K_KP_PERIOD, pygame.K_PERIOD]:
+                print_key_press(".", "Function key pressed")
                 re = False
-            if event.key == pygame.K_KP8:
-                if chnWav == True: setWavs(8)
-                else:
-                    if met == True: met = False 
-                    else: met = True
-            if event.key == pygame.K_KP9:
-                if chnWav == True: setWavs(9)
-                else:
-                    if OVRHT == True: OVRHT = False 
-                    else: OVRHT = True 
-            if event.key == pygame.K_KP1:
-                if chnWav == True: setWavs(1)
-                else:  recall(1,re)
-            if event.key == pygame.K_KP2:
-                if chnWav == True: setWavs(2)
-                else:  recall(2,re)
-            if event.key == pygame.K_KP3:
-                if chnWav == True: setWavs(3)
-                else:  recall(3,re)
-            if event.key == pygame.K_KP4:
-                if chnWav == True: setWavs(4)
-                else:  recall(4,re)
-            if event.key == pygame.K_KP5:
-                if chnWav == True: setWavs(5)
-                else:  recall(5,re)
-            if event.key == pygame.K_KP6:
-                if chnWav == True: setWavs(6)
-                else:  recall(6,re)
-            if event.key == pygame.K_KP7:
-                if chnWav == True: setWavs(7)
-                
+
+            # Sequence and Sample Pack Functions (1-6 for sequences, 1-9 for sample packs)
+            for num in range(1, 10):
+                if event.key in [getattr(pygame, f'K_KP{num}'), getattr(pygame, f'K_{num}')]:
+                    if chnWav:
+                        print_key_press(f"{num} *", f"Change to Sample Pack {num}")
+                        setWavs(num)
+                    elif num <= 6:  # Sequence operations only work for 1-6
+                        if re:
+                            print_key_press(f"{num}", f"Recall Sequence {num}")
+                            recall(num, True)
+                        else:
+                            print_key_press(f"{num} .", f"Store Sequence {num}")
+                            recall(num, False)
+
+            # Shutdown combination
+            if event.key == pygame.K_NUMLOCK and chnWav:
+                print_key_press("Num Lock + *", "Shutdown triggered")
+                call("touch numlock.test", shell=True)
+                # call("sudo shutdown -h now", shell=True)
+                # pygame.quit()
+                # sys.exit()
+
         if event.type == pygame.KEYUP:
-            if event.key == pygame.K_KP_PERIOD:
+            if event.key in [pygame.K_KP_PERIOD, pygame.K_PERIOD]:
+                print_key_press(".", "Function key released")
                 re = True
-            if event.key == pygame.K_KP0:
+            if event.key in [pygame.K_KP0, pygame.K_0]:
+                print_key_press("0", "Delete key released")
                 delCur = False
-            if event.key == pygame.K_KP_MULTIPLY:
+            if event.key in [pygame.K_KP_MULTIPLY, pygame.K_ASTERISK]:
+                print_key_press("*", "Function key released")
                 chnWav = False
+
+        if event.type == pygame.VIDEORESIZE:
+            screen = pygame.display.set_mode((event.w, event.h), pygame.RESIZABLE)
+            print(f"Window resized to {event.w}x{event.h}")
+
+        if event.type == pygame.QUIT:
+            pygame.quit()
+            sys.exit()