# Project name
project(asteleMotor)

# CMake version
cmake_minimum_required(VERSION 2.6)

# Options
set(MCU "attiny2313" CACHE STRING "Processor Type")
set(CPU_SPEED "4000000" CACHE STRING "Speed of the CPU")
set(PORT "/dev/ttyUSB0" CACHE STRING "USB Port")
set(PORT_SPEED "57600" CACHE STRING "Serial Port Speed")
set(PROGRAMMER "usbasp" CACHE STRING "Programmer Type")
set(COMPILE_FLAGS "" CACHE STRING "Additional Compiler Flags")

# Set own source files
set(SRC_FILES  main.cpp writepin.cpp comperator.cpp stepper.cpp)

# Compiler suite specification
set(CMAKE_C_COMPILER /usr/bin/avr-gcc)
set(CMAKE_CXX_COMPILER /usr/bin/avr-g++)
set(CMAKE_OBJCOPY /usr/bin/avr-objcopy)
set(CMAKE_OBJDUMP /usr/bin/avr-objdump)
set(CMAKE_RANLIB /usr/bin/avr-ranlib)
set(CMAKE_LINKER /usr/bin/avr-ld)

# Compiler flags
add_definitions(-mmcu=${MCU} -DF_CPU=${CPU_SPEED})
add_definitions(-c -g -Os -flto -Wall -std=c++17 )
add_definitions(-fno-exceptions -ffunction-sections -fno-rtti -fdata-sections)

# Linker flags
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")   # remove -rdynamic for C
set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "") # remove -rdynamic for CXX
set(CMAKE_EXE_LINKER_FLAGS "-s -Os -Wl,--gc-sections -mmcu=${MCU}")

add_executable(${PROJECT_NAME} ${ARDUINO_CORE_SRC} ${SRC_FILES})

find_program(AR_AVRDUDE NAMES avrdude PATHS /usr/bin NO_DEFAULT_PATH)
find_program(AR_AVRSIZE NAMES avr-size PATHS /usr/bin NO_DEFAULT_PATH)

add_custom_target(download 
	COMMAND ${CMAKE_OBJCOPY} -j .text -j .data -O ihex ${PROJECT_NAME} ${PROJECT_NAME}.hex
	COMMAND ${AR_AVRSIZE} -C ${PROJECT_NAME}
	COMMAND ${AR_AVRDUDE} -v -p ${MCU} -c ${PROGRAMMER} -D -U flash:w:${PROJECT_NAME}.hex
	DEPENDS ${PROJECT_NAME}
	)
	
	message(STATUS "${CPU_SPEED}")
	
add_custom_target(export 
COMMAND ${CMAKE_OBJCOPY} -j .text -j .data -O ihex ${PROJECT_NAME} ${PROJECT_NAME}.hex
COMMAND ${AR_AVRSIZE} -C ${PROJECT_NAME}
DEPENDS ${PROJECT_NAME}
)