Connection to LED strip is maintained throughout program lifecycle

srgtuszy · Oct 28, 2024 · 9b6c7e4 · 9b6c7e4
1 parent 45e3586
commit 9b6c7e4
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Showing 2 changed files with 32 additions and 2 deletions.
diff --git a/led-controller/govee_packet.py b/led-controller/govee_packet.py
@@ -68,4 +68,30 @@ def create_brightness_packet(brightness):
         xor_checksum = 0x33 ^ 0x04 ^ brightness
         command.append(xor_checksum)
 
-        return command
+        return command
+
+    @staticmethod
+    def create_keep_alive_packet():
+        command = bytearray([
+            0xAA,        # Command prefix for keep alive
+            0x01,        # Command to keep alive
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0x00,        # Fixed byte
+            0xAB         # Fixed byte
+        ])
+
+        return command
diff --git a/led-controller/run_led_controller.py b/led-controller/run_led_controller.py
@@ -68,7 +68,11 @@ async def main():
                 print("Setting color to purple")
                 await set_light_color(client, green_color)
 
-                print(f"Finished updating {device.name}\n")
+                # Send keep-alive packets every second
+                print("Sending keep-alive packets...")
+                while True:
+                    await client.write_gatt_char(WRITE_CHAR_UUID, bytes.fromhex("AA01000000000000000000000000000000000015"), response=True)
+                    await asyncio.sleep(1)
 
         except Exception as e:  
             print(f"Error controlling device {device.address}: {e}")