Squash of branch setup

CMakeLists.txt

@@ -0,0 +1,43 @@
+# The following lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.16)
+# target_compile_options(${COMPONENT_LIB} PRIVATE -std=c++23)
+
+# Define the path to your .env file
+set(ENV_FILE "${CMAKE_SOURCE_DIR}/.env")
+
+# Check if the .env file exists
+if(EXISTS ${ENV_FILE})
+    # Read the .env file line by line
+    file(STRINGS ${ENV_FILE} ENV_VARS)
+
+    foreach(VAR ${ENV_VARS})
+        # Use regex to extract the key and value
+        if (VAR MATCHES "([^=]+)=(.*)")
+            set(ENV{${CMAKE_MATCH_1}} ${CMAKE_MATCH_2})
+            message(STATUS "Loaded environment variable from .env: ${CMAKE_MATCH_1}")
+        endif()
+    endforeach()
+else()
+    message(STATUS ".env file not found at ${ENV_FILE}")
+endif()
+
+# If build-time WiFi environment variables were loaded above, expose them
+# as compile-time definitions so C++ can use them.
+if(DEFINED ENV{WIFI_SSID})
+    add_compile_definitions(BUILD_WIFI_SSID="$ENV{WIFI_SSID}")
+    message(STATUS "Added BUILD_WIFI_SSID compile definition")
+else()
+    message(STATUS "WIFI_SSID not defined; skipping BUILD_WIFI_SSID compile definition")
+endif()
+if(DEFINED ENV{WIFI_PASSWORD})
+    add_compile_definitions(BUILD_WIFI_PASSWORD="$ENV{WIFI_PASSWORD}")
+    message(STATUS "Added BUILD_WIFI_PASSWORD compile definition")
+else()
+    message(STATUS "WIFI_PASSWORD not defined; skipping BUILD_WIFI_PASSWORD compile definition")
+endif()
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+idf_build_set_property(MINIMAL_BUILD ON)
+project(ink-board)