实现串口驱动，移植方便

HAL/CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 3.22)
+
+# Add HAL library
+add_library(hal STATIC)
+
+# Add HAL sources
+target_sources(hal PRIVATE
+    Src/hal_gpio.c
+    Src/hal_delay.c
+    Src/hal_uart.c
+)
+
+# Add HAL include directories
+target_include_directories(hal PUBLIC
+    Inc
+)
+
+# Link HAL dependencies
+target_link_libraries(hal PRIVATE
+    stm32cubemx
+)