refactor: enhance OTA update process with improved handling of full image updates and SPIFFS data

scripts/create_full_bin.py

@@ -1,48 +0,0 @@
-import os
-import shutil
-from platformio import util
-
-Import("env")
-
-def create_full_bin(source, target, env):
-    # Get paths
-    firmware_path = str(target[0])
-    build_dir = os.path.dirname(firmware_path)
-    project_dir = env.get("PROJECT_DIR")
-    
-    # Create full binary
-    firmware_name = os.path.basename(firmware_path)
-    spiffs_bin = os.path.join(build_dir, "spiffs.bin")
-    full_bin = os.path.join(build_dir, "full.bin")
-    
-    print("Creating full.bin...")
-    
-    # Check if files exist
-    if not os.path.exists(firmware_path):
-        print("Error: Firmware binary not found!")
-        return
-    if not os.path.exists(spiffs_bin):
-        print("Error: SPIFFS binary not found!")
-        return
-    
-    # Calculate padding size
-    firmware_size = os.path.getsize(firmware_path)
-    padding_size = 0x3D0000 - firmware_size  # SPIFFS start address - firmware size
-    
-    # Create full binary
-    with open(full_bin, 'wb') as outfile:
-        # Copy firmware
-        with open(firmware_path, 'rb') as f:
-            outfile.write(f.read())
-        
-        # Add padding
-        outfile.write(b'\xFF' * padding_size)
-        
-        # Copy SPIFFS
-        with open(spiffs_bin, 'rb') as f:
-            outfile.write(f.read())
-    
-    print(f"Created full.bin ({os.path.getsize(full_bin)} bytes)")
-
-# Register the callback
-env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", create_full_bin)