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gcc_stm32f4.cmake
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gcc_stm32f4.cmake
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SET(CMAKE_C_FLAGS "-mthumb -fno-builtin -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -Wall -std=gnu99 -ffunction-sections -fdata-sections -fomit-frame-pointer -mabi=aapcs -fno-unroll-loops -ffast-math -ftree-vectorize" CACHE INTERNAL "c compiler flags")
SET(CMAKE_CXX_FLAGS "-mthumb -fno-builtin -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -Wall -std=c++11 -ffunction-sections -fdata-sections -fomit-frame-pointer -mabi=aapcs -fno-unroll-loops -ffast-math -ftree-vectorize" CACHE INTERNAL "cxx compiler flags")
SET(CMAKE_ASM_FLAGS "-mthumb -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=softfp" CACHE INTERNAL "asm compiler flags")
SET(CMAKE_EXE_LINKER_FLAGS "-nostartfiles -Wl,--gc-sections -mthumb -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -mabi=aapcs" CACHE INTERNAL "executable linker flags")
SET(CMAKE_MODULE_LINKER_FLAGS "-mthumb -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -mabi=aapcs" CACHE INTERNAL "module linker flags")
SET(CMAKE_SHARED_LINKER_FLAGS "-mthumb -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=softfp -mabi=aapcs" CACHE INTERNAL "shared linker flags")
SET(STM32_CHIP_TYPES 401xx 40_41xxx 427_437xx 429_439xx CACHE INTERNAL "stm32f4 chip types")
SET(STM32_CODES "401.[BC]" "4[01][57].[EG]" "4[23]7.[EGI]" "4[23]9.[EGI]")
MACRO(STM32_GET_CHIP_TYPE CHIP CHIP_TYPE)
STRING(REGEX REPLACE "^[sS][tT][mM]32[fF](4[0123][1579].[BCEGI]).+$" "\\1" STM32_CODE ${CHIP})
SET(INDEX 0)
FOREACH(C_TYPE ${STM32_CHIP_TYPES})
LIST(GET STM32_CODES ${INDEX} CHIP_TYPE_REGEXP)
IF(STM32_CODE MATCHES ${CHIP_TYPE_REGEXP})
SET(RESULT_TYPE ${C_TYPE})
ENDIF()
MATH(EXPR INDEX "${INDEX}+1")
ENDFOREACH()
SET(${CHIP_TYPE} ${RESULT_TYPE})
ENDMACRO()
MACRO(STM32_GET_CHIP_PARAMETERS CHIP FLASH_SIZE RAM_SIZE)
STRING(REGEX REPLACE "^[sS][tT][mM]32[fF](4[0123][1579].[BCEGI])" "\\1" STM32_CODE ${CHIP})
STRING(REGEX REPLACE "^[sS][tT][mM]32[fF]4[0123][1579].([BCEGI])" "\\1" STM32_SIZE_CODE ${CHIP})
IF(STM32_SIZE_CODE STREQUAL "B")
SET(FLASH "128K")
ELSEIF(STM32_SIZE_CODE STREQUAL "C")
SET(FLASH "256K")
ELSEIF(STM32_SIZE_CODE STREQUAL "E")
SET(FLASH "512K")
ELSEIF(STM32_SIZE_CODE STREQUAL "G")
SET(FLASH "1024K")
ELSEIF(STM32_SIZE_CODE STREQUAL "I")
SET(FLASH "2048K")
ENDIF()
STM32_GET_CHIP_TYPE(${CHIP} TYPE)
IF(${TYPE} STREQUAL "401xx")
SET(RAM "64K")
ELSEIF(${TYPE} STREQUAL "40_41xxx")
SET(RAM "128K")
ELSEIF(${TYPE} STREQUAL "427_437xx")
SET(RAM "192K")
ELSEIF(${TYPE} STREQUAL "429_439xx")
SET(RAM "192K")
ENDIF()
SET(${FLASH_SIZE} ${FLASH})
SET(${RAM_SIZE} ${RAM})
ENDMACRO()
FUNCTION(STM32_SET_CHIP_DEFINITIONS TARGET CHIP_TYPE)
LIST(FIND STM32_CHIP_TYPES ${CHIP_TYPE} TYPE_INDEX)
IF(TYPE_INDEX EQUAL -1)
MESSAGE(FATAL_ERROR "Invalid/unsupported STM32F4 chip type: ${CHIP_TYPE}")
ENDIF()
GET_TARGET_PROPERTY(TARGET_DEFS ${TARGET} COMPILE_DEFINITIONS)
IF(TARGET_DEFS)
SET(TARGET_DEFS "STM32F4;STM32F${CHIP_TYPE};${TARGET_DEFS}")
ELSE()
SET(TARGET_DEFS "STM32F4;STM32F${CHIP_TYPE}")
ENDIF()
SET_TARGET_PROPERTIES(${TARGET} PROPERTIES COMPILE_DEFINITIONS "${TARGET_DEFS}")
ENDFUNCTION()