From 9195a461dd8ca79614c0ee41b1cb2c0375b89986 Mon Sep 17 00:00:00 2001
From: SpookyDervish <nchand05@outlook.com>
Date: Sun, 8 Mar 2026 14:08:34 +1100
Subject: [PATCH] serialization and deserialization

---
 relay/bluetooth_handler.py | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/relay/bluetooth_handler.py b/relay/bluetooth_handler.py
index 9193b91..70d320b 100644
--- a/relay/bluetooth_handler.py
+++ b/relay/bluetooth_handler.py
@@ -55,6 +55,10 @@ class BluetoothHandler:
         
         self.advertise()
         
+    def deserialize_msg(self, s: bytes):
+        # returns packet type (int) and deserialized data
+        return s[0], eval(s[1:].decode())
+        
     def _get_mac_address(self):
         mac = self.ble.config("mac")[1]
         return ':'.join('{:02X}'.format(b) for b in mac)
@@ -108,10 +112,9 @@ class BluetoothHandler:
             self.advertise()
         elif event == IRQ_GATTS_WRITE:
             conn_handle, value_handle = data
+
+            msg = self.ble.gatts_read(value_handle)
+            packet_type, msg = self.deserialize_msg(msg)
+            
+            print(f"Received: \"{msg}\"")
             
-            if value_handle == self.tx_handle:
-                msg = self.ble.gatts_read(self.tx_handle)
-                
-                if msg == b"ping":
-                    for conn in self.connections:
-                        self.ble.gatts_notify(conn, self.rx_handle, b"pong")
\ No newline at end of file