CMake embedded project template

Requirements

• cmake >= 3.20
• ninja
• toolchain: arm-none-eabi or armcc

Recommendation: Use this template with VsCode and ms-vscode.cmake-tools extensions

---

Build Test Project

• Build arm-none-eabi gcc test project

  Write CMakeLists.txt with following contents:

  cmake_minimum_required(VERSION 3.20.0 FATAL_ERROR)
  
  # Set up compiler and mcu arch 
  set(COMPILER_TYPE "arm-none-eabi") # options: 'armcc' or 'arm-none-eabi'
  set(MCU_ARCH_TYPE "cortex_m7") # options: 'cortex_m0', 'cortex_m3' ...
  set(MCU_MFPU_TYPE "default") # options: 'sp', 'dp', 'none', 'default'
  
  # Include toolchain config
  include(${CMAKE_SOURCE_DIR}/cmake/toolchain/${COMPILER_TYPE}/${MCU_ARCH_TYPE}.cmake)
  
  # Set up project name
  set(PRJ_NAME "cmake_project_demo")
  
  # Set up the project
  project(${PRJ_NAME}
      VERSION "0.1.0"
      LANGUAGES C ASM CXX)
  
  # Build test project
  add_subdirectory(test/gcc_test)

  then, execute the following commands to build project:

  cmake -B ./build -G Ninja
  cmake --build ./build --target all -j 14

• Build armcc test project

  Write CMakeLists.txt with following contents (Please set TOOLCHAIN_DIR for armcc before build):

  cmake_minimum_required(VERSION 3.20.0 FATAL_ERROR)
  
  # Set up compiler and mcu arch 
  set(COMPILER_TYPE "armcc") # options: 'armcc' or 'arm-none-eabi'
  set(MCU_ARCH_TYPE "cortex_m3") # options: 'cortex_m0', 'cortex_m3' ...
  set(MCU_MFPU_TYPE "default") # options: 'sp', 'dp', 'none', 'default'
  set(TOOLCHAIN_DIR "D:/Keil/ARM/ARMCC/bin") # toolchain root folder for armcc
  
  # other armcc options
  #option(USE_MICRO_LIB "Enable MicroLib" ON)
  
  # Include toolchain config
  include(${CMAKE_SOURCE_DIR}/cmake/toolchain/${COMPILER_TYPE}/${MCU_ARCH_TYPE}.cmake)
  
  # Set up project name
  set(PRJ_NAME "cmake_project_demo")
  
  # Set up the project
  project(${PRJ_NAME}
      VERSION "0.1.0"
      LANGUAGES C ASM CXX)
  
  # Build test project
  add_subdirectory(test/armcc_test)

  then, execute the following commands to build project:

  cmake -B ./build -G Ninja
  cmake --build ./build --target all -j 14