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CMake functions
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‎ArduinoLibrary.cmake‎

Lines changed: 77 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,12 @@
11
# ArduinoLibrary.cmake
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# Defines a function to easily add Arduino-style libraries to your CMake project.
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#
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# Example usage for arduino-SAM library from GitHub
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# Place this in your CMakeLists.txt after including ArduinoLibrary.cmake
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#
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# include(${CMAKE_SOURCE_DIR}/ArduinoLibrary.cmake)
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# arduino_library(arduino-SAM "https://github.com/pschatzmann/arduino-SAM")
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# target_link_libraries(your_target PRIVATE arduino-SAM)
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# arduino_library(<name> <path_or_url> [<tag>])
@@ -29,18 +36,80 @@ function(arduino_library LIB_NAME LIB_PATH)
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"${LIB_PATH}/src/*.c"
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"${LIB_PATH}/src/*.cpp"
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)
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add_library(${LIB_NAME} STATIC ${SRC_FILES})
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target_compile_options(${LIB_NAME} PRIVATE -DPROGMEM=)
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# Only create library if there are source files
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if(SRC_FILES)
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add_library(${LIB_NAME} STATIC ${SRC_FILES})
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target_compile_options(${LIB_NAME} PRIVATE -DPROGMEM=)
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# Ensure C files are compiled as C, not C++
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set_target_properties(${LIB_NAME} PROPERTIES LINKER_LANGUAGE C)
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else()
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# Create a header-only interface library if no source files
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add_library(${LIB_NAME} INTERFACE)
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endif()
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target_include_directories(${LIB_NAME} PUBLIC ${INC_DIR})
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# Link arduino_emulator to propagate its include directories
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if(TARGET arduino_emulator)
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target_link_libraries(${LIB_NAME} PUBLIC arduino_emulator)
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if(SRC_FILES)
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target_link_libraries(${LIB_NAME} PUBLIC arduino_emulator)
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else()
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# For interface libraries, use INTERFACE linkage
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target_link_libraries(${LIB_NAME} INTERFACE arduino_emulator)
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endif()
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endif()
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endfunction()
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41-
# Example usage for arduino-SAM library from GitHub
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# Place this in your CMakeLists.txt after including ArduinoLibrary.cmake
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# arduino_sketch(<name> <ino_file> [LIBRARIES <lib1> <lib2> ...] [DEFINITIONS <def1> <def2> ...])
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# Creates an executable target from an Arduino sketch (.ino file)
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#
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# Parameters:
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# name - The name of the executable target
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# ino_file - The .ino source file to compile
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# LIBRARIES - Optional list of additional libraries to link
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# DEFINITIONS - Optional list of compile definitions (without -D prefix)
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#
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# include(${CMAKE_SOURCE_DIR}/ArduinoLibrary.cmake)
45-
# arduino_library(arduino-SAM "https://github.com/pschatzmann/arduino-SAM")
46-
# target_link_libraries(your_target PRIVATE arduino-SAM)
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# Example usage:
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# arduino_sketch(blink blink.ino)
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# arduino_sketch(my_project main.ino LIBRARIES arduino-SAM SdFat)
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# arduino_sketch(sensor_demo sensor.ino LIBRARIES Wire SPI DEFINITIONS DEBUG=1)
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# arduino_sketch(wifi_demo wifi.ino DEFINITIONS USE_HTTPS USE_SSL)
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function(arduino_sketch name ino_file)
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# Parse optional arguments
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set(options)
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set(oneValueArgs)
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set(multiValueArgs LIBRARIES DEFINITIONS)
80+
cmake_parse_arguments(ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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82+
# Set the source file properties to be treated as C++
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set_source_files_properties(${ino_file} PROPERTIES LANGUAGE CXX)
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# Create the executable
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add_executable(${name} ${ino_file})
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# Set C++ standard (inherit from parent or use C++11 minimum)
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target_compile_features(${name} PRIVATE cxx_std_11)
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# Add compiler flags to treat .ino files as C++
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target_compile_options(${name} PRIVATE -x c++)
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# Add error flags for better code quality
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target_compile_options(${name} PRIVATE -Werror)
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# Link with arduino emulator library (always required)
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target_link_libraries(${name} arduino_emulator)
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# Link additional libraries if specified
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if(ARG_LIBRARIES)
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target_link_libraries(${name} ${ARG_LIBRARIES})
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endif()
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# Add compile definitions if specified
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if(ARG_DEFINITIONS)
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target_compile_definitions(${name} PUBLIC ${ARG_DEFINITIONS})
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endif()
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# Add platform-specific libraries
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if (USE_RPI)
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target_link_libraries(${name} gpiod)
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endif(USE_RPI)
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endfunction()
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‎CMakeLists.txt‎

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2,7 +2,7 @@
22
cmake_minimum_required(VERSION 3.11...3.19)
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# Project name and a few useful settings. Other commands can pick up the results
5-
project(arduino_emulator VERSION 0.1 DESCRIPTION "Arduino Emulator for Linux" LANGUAGES CXX)
5+
project(arduino_emulator VERSION 0.1 DESCRIPTION "Arduino Emulator for Linux" LANGUAGES C CXX)
66

77
# Https takes quite some time and is not always neede
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option(USE_HTTPS "Https Support" OFF)
@@ -59,6 +59,9 @@ install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/ArduinoCore-Linux/cores/arduino/"
5959
target_compile_features(arduino_emulator PUBLIC cxx_std_17)
6060
target_compile_options(arduino_emulator PRIVATE -Wno-nonportable-include-path)
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62+
# Include Arduino library functions
63+
include(${CMAKE_CURRENT_SOURCE_DIR}/ArduinoLibrary.cmake)
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6265
if (USE_RPI)
6366
target_compile_options(arduino_emulator PUBLIC -DUSE_RPI)
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endif(USE_RPI)

‎examples/blink/CMakeLists.txt‎

Lines changed: 2 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,4 @@
11
cmake_minimum_required(VERSION 3.11...3.19)
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3-
project(blink)
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set(CMAKE_CXX_STANDARD 11)
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set(DCMAKE_CXX_FLAGS "-Werror")
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set_source_files_properties(blink.ino PROPERTIES LANGUAGE CXX)
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add_executable(blink blink.ino)
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target_compile_options(blink PRIVATE -x c++)
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target_link_libraries(blink arduino_emulator)
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if (USE_RPI)
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target_link_libraries(blink gpiod)
13-
endif(USE_RPI)
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# Use the arduino_sketch function to build the blink example
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arduino_sketch(blink blink.ino)

‎examples/hallo-world/CMakeLists.txt‎

Lines changed: 2 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -1,14 +1,3 @@
1-
cmake_minimum_required(VERSION 3.11...3.19)
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3-
project(hallo-world)
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set(CMAKE_CXX_STANDARD 11)
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set(DCMAKE_CXX_FLAGS "-Werror")
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7-
set_source_files_properties(hallo-world.ino PROPERTIES LANGUAGE CXX)
8-
add_executable(hallo-world hallo-world.ino)
9-
target_compile_options(hallo-world PRIVATE -x c++)
10-
target_link_libraries(hallo-world arduino_emulator)
11-
12-
if(USE_RPI)
13-
target_link_libraries(hallo-world gpiod)
14-
endif(USE_RPI)
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# Use the arduino_sketch function to build the hallo-world example
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arduino_sketch(hallo-world hallo-world.ino)

‎examples/i2c/CMakeLists.txt‎

Lines changed: 2 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,3 @@
1-
cmake_minimum_required(VERSION 3.11...3.19)
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3-
project(i2c)
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set(CMAKE_CXX_STANDARD 11)
5-
set(DCMAKE_CXX_FLAGS "-Werror")
6-
7-
set_source_files_properties(i2c.ino PROPERTIES LANGUAGE CXX)
8-
add_executable(i2c i2c.ino)
9-
target_compile_options(i2c PRIVATE -x c++)
10-
target_link_libraries(i2c arduino_emulator)
11-
if (USE_RPI)
12-
target_link_libraries(i2c gpiod)
13-
endif(USE_RPI)
2+
# Use the arduino_sketch function to build the i2c example
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arduino_sketch(i2c i2c.ino)

‎examples/serial2/CMakeLists.txt‎

Lines changed: 2 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,3 @@
1-
cmake_minimum_required(VERSION 3.11...3.19)
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3-
project(serial2)
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set(CMAKE_CXX_STANDARD 11)
5-
set(DCMAKE_CXX_FLAGS "-Werror")
6-
7-
set_source_files_properties(serial2.ino PROPERTIES LANGUAGE CXX)
8-
add_executable(serial2 serial2.ino)
9-
target_compile_options(serial2 PRIVATE -x c++)
10-
target_link_libraries(serial2 arduino_emulator)
11-
if (USE_RPI)
12-
target_link_libraries(serial2 gpiod)
13-
endif(USE_RPI)
2+
# Use the arduino_sketch function to build the serial2 example
3+
arduino_sketch(serial2 serial2.ino)

‎examples/spi/CMakeLists.txt‎

Lines changed: 2 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,3 @@
1-
cmake_minimum_required(VERSION 3.11...3.19)
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3-
project(spi)
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set(CMAKE_CXX_STANDARD 11)
5-
set(DCMAKE_CXX_FLAGS "-Werror")
6-
7-
set_source_files_properties(spi.ino PROPERTIES LANGUAGE CXX)
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add_executable(spi spi.ino)
9-
target_compile_options(spi PRIVATE -x c++)
10-
target_link_libraries(spi arduino_emulator)
11-
if (USE_RPI)
12-
target_link_libraries(spi gpiod)
13-
endif(USE_RPI)
2+
# Use the arduino_sketch function to build the spi example
3+
arduino_sketch(spi spi.ino)

‎examples/using-arduino-library/CMakeLists.txt‎

Lines changed: 3 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -1,18 +1,6 @@
1-
cmake_minimum_required(VERSION 3.11...3.19)
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3-
project(using-arduino-library)
4-
set(CMAKE_CXX_STANDARD 11)
5-
set(DCMAKE_CXX_FLAGS "-Werror")
6-
7-
# add the arduino-SAM library
8-
include(${CMAKE_SOURCE_DIR}/ArduinoLibrary.cmake)
2+
# Add the arduino-SAM library
93
arduino_library(sam "https://github.com/pschatzmann/arduino-SAM")
104

11-
# Define the sketch
12-
set_source_files_properties(using-arduino-library.ino PROPERTIES LANGUAGE CXX)
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add_executable(using-arduino-library using-arduino-library.ino)
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target_compile_options(using-arduino-library PRIVATE -x c++)
15-
target_link_libraries(using-arduino-library arduino_emulator sam)
16-
if (USE_RPI)
17-
target_link_libraries(using-arduino-library gpiod)
18-
endif(USE_RPI)
5+
# Use the arduino_sketch function to build the example with additional libraries
6+
arduino_sketch(using-arduino-library using-arduino-library.ino LIBRARIES sam)

‎examples/wifi-secure/CMakeLists.txt‎

Lines changed: 2 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -1,11 +1,3 @@
1-
cmake_minimum_required(VERSION 3.11...3.19)
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3-
project(wifi-secure)
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set(CMAKE_CXX_STANDARD 11)
5-
set(DCMAKE_CXX_FLAGS "-Werror")
6-
7-
set_source_files_properties(wifi-secure.ino PROPERTIES LANGUAGE CXX)
8-
add_executable(wifi-secure wifi-secure.ino)
9-
target_compile_options(wifi-secure PRIVATE -x c++)
10-
target_compile_definitions(wifi-secure PUBLIC -DUSE_HTTPS)
11-
target_link_libraries(wifi-secure arduino_emulator)
2+
# Use the arduino_sketch function to build the wifi-secure example with HTTPS support
3+
arduino_sketch(wifi-secure wifi-secure.ino)

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