STM32L432KC_CMakeLists.txt

# Brief: Builds firmware source code generated by STM32CubeMX (SW4STM32 toolchain)
#        targeting the STM32L432KC microcontroller (as used in the NUCLEO-L432KC).
#
# Author:  Windsor Schmidt. | https://github.com/windsorschmidt
# License: MIT License. Contributions welcome.

cmake_minimum_required (VERSION 3.6)
set(PROJ "firmware")
project (${PROJ})

# All relative to project root, as generated by STM32CubeMX.
set(SOURCE_DIR ${CMAKE_SOURCE_DIR}/Src)
set(CMSIS_DIR ${CMAKE_SOURCE_DIR}/Drivers/CMSIS)
set(DEVICE_DIR ${CMAKE_SOURCE_DIR}/Drivers/CMSIS/Device/ST/STM32L4xx)
set(HAL_DIR ${CMAKE_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver)
set(RTOS_DIR ${CMAKE_SOURCE_DIR}/Middlewares/Third_Party/FreeRTOS/Source)
set(USB_DIR ${CMAKE_SOURCE_DIR}/Middlewares/ST/STM32_USB_Device_Library/)

# Look here for header files.
include_directories(${CMAKE_SOURCE_DIR}/Inc)
include_directories(${CMSIS_DIR}/Include)
include_directories(${DEVICE_DIR}/Include)
include_directories(${HAL_DIR}/Inc)
include_directories(${RTOS_DIR}/include)
include_directories(${RTOS_DIR}/CMSIS_RTOS)
include_directories(${RTOS_DIR}/CMSIS_RTOS/include)
include_directories(${RTOS_DIR}/portable/GCC/ARM_CM4F)
include_directories(${USB_DIR}/Core/Inc)
include_directories(${USB_DIR}/Class/CDC/Inc)

# For diagnostic tools like rtags.
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# As of late 2016 we can get the GNU ARM Embedded Toolchain from:
# https://developer.arm.com/open-source/gnu-toolchain/gnu-rm.
set(CMAKE_C_COMPILER "arm-none-eabi-gcc")

set(CMAKE_C_FLAGS "-O0 -g -Wall -Werror -Wno-pointer-sign -ffunction-sections -fdata-sections")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DSTM32L432xx -mtune=cortex-m4 -mcpu=cortex-m4 -mthumb")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=fpv4-sp-d16 -mfloat-abi=hard")
set(CMAKE_EXE_LINKER_FLAGS "-T../STM32L432KCUx_FLASH.ld -Wl,--gc-section")

# Some trickery to get CMake to deal with our assembler code.
set_property(SOURCE ${CMAKE_SOURCE_DIR}/startup/startup_stm32l432xx.s PROPERTY LANGUAGE C)

# The linker flag --gc-section keeps unused object code here from being linked.
add_executable(${PROJ}.elf
  ${SOURCE_DIR}/adc.c
  ${SOURCE_DIR}/crc.c
  ${SOURCE_DIR}/dac.c
  ${SOURCE_DIR}/dma.c
  ${SOURCE_DIR}/freertos.c
  ${SOURCE_DIR}/gpio.c
  ${SOURCE_DIR}/i2c.c
  ${SOURCE_DIR}/iwdg.c
  ${SOURCE_DIR}/main.c
  ${SOURCE_DIR}/rng.c
  ${SOURCE_DIR}/sai.c
  ${SOURCE_DIR}/stm32l4xx_hal_msp.c
  ${SOURCE_DIR}/stm32l4xx_hal_timebase_TIM.c
  ${SOURCE_DIR}/stm32l4xx_it.c
  ${SOURCE_DIR}/system_stm32l4xx.c
  ${SOURCE_DIR}/usbd_cdc_if.c
  ${SOURCE_DIR}/usbd_conf.c
  ${SOURCE_DIR}/usbd_desc.c
  ${SOURCE_DIR}/usb_device.c
  ${SOURCE_DIR}/wwdg.c
  ${CMAKE_SOURCE_DIR}/startup/startup_stm32l432xx.s
  ${HAL_DIR}/Src/stm32l4xx_hal_adc.c
  ${HAL_DIR}/Src/stm32l4xx_hal_adc_ex.c
  ${HAL_DIR}/Src/stm32l4xx_hal.c
  ${HAL_DIR}/Src/stm32l4xx_hal_cortex.c
  ${HAL_DIR}/Src/stm32l4xx_hal_crc.c
  ${HAL_DIR}/Src/stm32l4xx_hal_crc_ex.c
  ${HAL_DIR}/Src/stm32l4xx_hal_dac.c
  ${HAL_DIR}/Src/stm32l4xx_hal_dac_ex.c
  ${HAL_DIR}/Src/stm32l4xx_hal_dma.c
  ${HAL_DIR}/Src/stm32l4xx_hal_flash.c
  ${HAL_DIR}/Src/stm32l4xx_hal_flash_ex.c
  ${HAL_DIR}/Src/stm32l4xx_hal_flash_ramfunc.c
  ${HAL_DIR}/Src/stm32l4xx_hal_gpio.c
  ${HAL_DIR}/Src/stm32l4xx_hal_i2c.c
  ${HAL_DIR}/Src/stm32l4xx_hal_i2c_ex.c
  ${HAL_DIR}/Src/stm32l4xx_hal_iwdg.c
  ${HAL_DIR}/Src/stm32l4xx_hal_pcd.c
  ${HAL_DIR}/Src/stm32l4xx_hal_pcd_ex.c
  ${HAL_DIR}/Src/stm32l4xx_hal_pwr.c
  ${HAL_DIR}/Src/stm32l4xx_hal_pwr_ex.c
  ${HAL_DIR}/Src/stm32l4xx_hal_rcc.c
  ${HAL_DIR}/Src/stm32l4xx_hal_rcc_ex.c
  ${HAL_DIR}/Src/stm32l4xx_hal_rng.c
  ${HAL_DIR}/Src/stm32l4xx_hal_sai.c
  ${HAL_DIR}/Src/stm32l4xx_hal_tim.c
  ${HAL_DIR}/Src/stm32l4xx_hal_tim_ex.c
  ${HAL_DIR}/Src/stm32l4xx_hal_wwdg.c
  ${HAL_DIR}/Src/stm32l4xx_ll_usb.c
  ${RTOS_DIR}/CMSIS_RTOS/cmsis_os.c
  ${RTOS_DIR}/list.c
  ${RTOS_DIR}/queue.c
  ${RTOS_DIR}/tasks.c
  ${RTOS_DIR}/timers.c
  ${RTOS_DIR}/portable/MemMang/heap_4.c
  ${RTOS_DIR}/portable/GCC/ARM_CM4F/port.c
  ${USB_DIR}/Class/CDC/Src/usbd_cdc.c
  ${USB_DIR}/Core/Src/usbd_core.c
  ${USB_DIR}/Core/Src/usbd_ctlreq.c
  ${USB_DIR}/Core/Src/usbd_ioreq.c
  )

# Generate assembly listing.
add_custom_command(
  TARGET ${PROJ}.elf
  COMMAND "arm-none-eabi-objdump"
  ARGS "-S" "${PROJ}.elf" ">>" "${PROJ}.lst")

# Flash firmware to target.
add_custom_target(flash
  openocd -f interface/stlink-v2-1.cfg -c "transport select hla_swd"
  -f target/stm32l4x.cfg -c "init" -c "reset halt"
  -c "flash write_image erase ${PROJ}.elf" -c "reset run" -c "shutdown"
  DEPENDS ${PROJ}.elf
  COMMENT "Flashing target hardware")

# Run OpenOCD as a GDB host.
add_custom_target(gdbhost
  openocd -f interface/stlink-v2-1.cfg -c "transport select hla_swd"
  -f target/stm32l4x.cfg -c "init" -c "reset halt"
  DEPENDS ${PROJ}.elf
  COMMENT "Running OpenOCD as a GDB host.")