applied platformio structure

platformio.ini

@@ -0,0 +1,84 @@
+[env:esp32]
+platform = espressif32
+board = esp32dev
+framework = espidf
+
+; Project configuration
+project_name = squeezelite-esp32
+build_flags = 
+    -DMODEL_NAME=SqueezeESP32
+    -DSTATE_MACHINE_LOGGER=1
+    -DHIERARCHICAL_STATES=1
+    -DCORE_DEBUG_LEVEL=3
+    -DARDUINO_ARCH_ESP32
+
+; Build options
+build_type = release
+monitor_speed = 115200
+
+; Partition table
+board_build.partitions = partitions.csv
+
+; Flash settings
+board_build.f_flash = 80m
+board_build.flash_size = 4MB
+
+; Library dependencies (main components)
+lib_deps = 
+    ; Built-in ESP-IDF components will be automatically included
+    ; Custom components from lib/ directory
+    wifi-manager
+    squeezelite
+    platform_console
+    display
+    telnet
+    led_strip
+    audio
+    codecs
+    raop
+    services
+    spotify
+    targets
+    tools
+    esp_http_server
+    tjpgd
+
+; Component-specific build flags
+build_unflags = 
+    -Wall
+    -Wextra
+
+; Upload settings
+upload_speed = 921600
+upload_port = /dev/ttyUSB0
+monitor_port = /dev/ttyUSB0
+
+; Debug configuration
+debug_tool = esp-prog
+debug_init_break = tbreak setup
+
+; OTA configuration
+upload_protocol = esptool
+upload_flags = 
+    --flash_mode dio
+    --flash_freq 80m
+    --flash_size 4MB
+
+; SDK configuration
+board_build.embed_txtfiles = 
+    src/Params.txt
+
+; ESP-IDF specific settings
+espidf =
+    ; Use local ESP-IDF if available, otherwise use PlatformIO's version
+    ${sysenv.IDF_PATH}
+
+; Custom build scripts for complex project structure
+extra_scripts = 
+    pre:build_scripts/pre_build.py
+    post:build_scripts/post_build.py
+
+; Multiple targets configuration
+; The original project builds both recovery and squeezelite binaries
+; PlatformIO will build the main squeezelite application
+; Recovery functionality can be added via separate build environment