Add version string to boot screen

platformio.ini

@@ -1,14 +1,8 @@
-; PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
+[platformio]
+crosspoint_version = 0.2.0
+default_envs = default
 
-[env:esp32-c3-devkitm-1]
+[base]
 platform = espressif32
 board = esp32-c3-devkitm-1
 framework = arduino
@@ -19,22 +13,34 @@ board_upload.flash_size = 16MB
 board_upload.maximum_size = 16777216
 board_upload.offset_address = 0x10000
 
-; Board configuration
-board_build.flash_mode = dio
-board_build.flash_size = 16MB
-board_build.partitions = partitions.csv
-
 build_flags =
   -DARDUINO_USB_MODE=1
   -DARDUINO_USB_CDC_ON_BOOT=1
   -DMINIZ_NO_ZLIB_COMPATIBLE_NAMES=1
-  # https://libexpat.github.io/doc/api/latest/#XML_GE
+# https://libexpat.github.io/doc/api/latest/#XML_GE
   -DXML_GE=0
   -DXML_CONTEXT_BYTES=1024
 
+; Board configuration
+board_build.flash_mode = dio
+board_build.flash_size = 16MB
+board_build.partitions = partitions.csv
+
 ; Libraries
 lib_deps =
   https://github.com/leethomason/tinyxml2.git#11.0.0
   BatteryMonitor=symlink://open-x4-sdk/libs/hardware/BatteryMonitor
   InputManager=symlink://open-x4-sdk/libs/hardware/InputManager
   EInkDisplay=symlink://open-x4-sdk/libs/display/EInkDisplay
+
+[env:default]
+extends = base
+build_flags =
+  ${base.build_flags}
+  -DCROSSPOINT_VERSION=\"${platformio.crosspoint_version}-dev\"
+
+[env:gh_release]
+extends = base
+build_flags =
+  ${base.build_flags}
+  -DCROSSPOINT_VERSION=\"${platformio.crosspoint_version}\"