head gestures, maybe??

head-tracking/review.py

@@ -0,0 +1,76 @@
+import matplotlib.pyplot as plt
+import mplcursors
+import bluetooth
+import threading
+import time
+from matplotlib.animation import FuncAnimation
+
+sock = bluetooth.BluetoothSocket(bluetooth.L2CAP)
+
+bt_addr = "28:2D:7F:C2:05:5B"
+psm = 0x1001
+
+sock.connect((bt_addr, psm))
+running = threading.Event()
+
+data = []
+start_column = 0
+columns_per_view = 5
+paused = False
+
+def hex_to_base10(hex_string):
+    hex_values = hex_string.split()
+    base10_values = [int(hex_value, 16) for hex_value in hex_values]
+    return base10_values
+
+def listen():
+    global running, data
+    while not running.is_set():
+        res = sock.recv(1024)
+        if len(res.hex()) == 162:
+            hex_string = " ".join(res.hex()[i:i+2].upper() for i in range(0, len(res.hex()), 2))
+            base10_values = hex_to_base10(hex_string)
+            data.append(base10_values)
+
+t = threading.Thread(target=listen)
+t.start()
+
+try:
+    byts = bytes(int(b, 16) for b in "00 00 04 00 01 00 02 00 00 00 00 00 00 00 00 00".split(" "))
+    sock.send(byts)
+    byts = bytes(int(b, 16) for b in "04 00 04 00 0F 00 FF FF FE FF".split(" "))
+    sock.send(byts)
+    byts = bytes(int(b, 16) for b in "04 00 04 00 17 00 00 00 10 00 11 00 08 7C 10 02 42 0B 08 4E 10 02 1A 05 01 40 9C 00 00".split(" "))
+    sock.send(byts)
+except:
+    ...
+
+def update(frame):
+    if not paused:
+        plt.clf()
+        plt.title('Bluetooth Data')
+        end_column = start_column + columns_per_view
+        for i in range(start_column, min(end_column, len(data[0]))):
+            plt.plot([row[i] for row in data], label=f'Column {i}', alpha=0.6, linewidth=1.2)
+        plt.xlabel('Time')
+        plt.ylabel('Value')
+        mplcursors.cursor(hover=True, highlight=True)
+
+def on_key(event):
+    global start_column, paused
+    if event.key == ' ':
+        start_column += columns_per_view
+        if start_column >= len(data[0]):
+            start_column = 0
+    elif event.key == 'p':
+        paused = not paused
+
+fig = plt.figure()
+fig.tight_layout()
+fig.canvas.mpl_connect('key_press_event', on_key)
+ani = FuncAnimation(fig, update, interval=0.5, repeat=True, cache_frame_data=False)
+
+plt.show()
+
+running.set()
+sock.close()