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gcc_stm32l4.cmake
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gcc_stm32l4.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 -x assembler-with-cpp" CACHE INTERNAL "asm compiler flags")
SET(CMAKE_EXE_LINKER_FLAGS "-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 431xx 432xx 433xx 442xx 443xx 451xx 452xx 462xx 471xx 475xx 476xx 485xx 486xx 496xx 4a6xx 4r5xx 4r7xx 4r9xx 4s5xx 4s7xx 4s9xx CACHE INTERNAL "stm32l4 chip types")
SET(STM32_CODES "431.." "432.." "433.." "442.." "443.." "451.." "452.." "462.." "471.." "475.." "476.." "485.." "486.." "496.." "4a6.." "4r5.." "4r7.." "4r9.." "4s5.." "4s7.." "4s9..")
MACRO(STM32_GET_CHIP_TYPE CHIP CHIP_TYPE)
STRING(REGEX REPLACE "^[sS][tT][mM]32[lL](4[3456789ARS][1235679].[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} ${RESULT_TYPE})
ENDMACRO()
MACRO(STM32_GET_CHIP_PARAMETERS CHIP FLASH_SIZE RAM_SIZE CCRAM_SIZE)
STRING(REGEX REPLACE "^[sS][tT][mM]32[lL](4[3456789ARS][1235679].[BCEGI]]).*$" "\\1" STM32_CODE ${CHIP})
STRING(REGEX REPLACE "^[sS][tT][mM]32[lL]4[3456789ARS][1235679].([BCEGI]).*$" "\\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(${TYPE} STREQUAL "431xx")
SET(RAM "64K")
ELSEIF(${TYPE} STREQUAL "432xx")
SET(RAM "64K")
ELSEIF(${TYPE} STREQUAL "433xx")
SET(RAM "64K")
ELSEIF(${TYPE} STREQUAL "442xx")
SET(RAM "64K")
ELSEIF(${TYPE} STREQUAL "443xx")
SET(RAM "64K")
ELSEIF(${TYPE} STREQUAL "451xx")
SET(RAM "160K")
ELSEIF(${TYPE} STREQUAL "452xx")
SET(RAM "160K")
ELSEIF(${TYPE} STREQUAL "462xx")
SET(RAM "160K")
ELSEIF(${TYPE} STREQUAL "471xx")
SET(RAM "128K")
ELSEIF(${TYPE} STREQUAL "475xx")
SET(RAM "128K")
ELSEIF(${TYPE} STREQUAL "476xx")
SET(RAM "128K")
ELSEIF(${TYPE} STREQUAL "485xx")
SET(RAM "128K")
ELSEIF(${TYPE} STREQUAL "486xx")
SET(RAM "128K")
ELSEIF(${TYPE} STREQUAL "496xx")
SET(RAM "320K")
ELSEIF(${TYPE} STREQUAL "4a6xx")
SET(RAM "320K")
ELSEIF(${TYPE} STREQUAL "4r5xx")
SET(RAM "640K")
ELSEIF(${TYPE} STREQUAL "4r7xx")
SET(RAM "640K")
ELSEIF(${TYPE} STREQUAL "4r9xx")
SET(RAM "640K")
ELSEIF(${TYPE} STREQUAL "4s5xx")
SET(RAM "640K")
ELSEIF(${TYPE} STREQUAL "4s7xx")
SET(RAM "640K")
ELSEIF(${TYPE} STREQUAL "4s9xx")
SET(RAM "640K")
ENDIF()
SET(${FLASH_SIZE} ${FLASH})
SET(${RAM_SIZE} ${RAM})
SET(${CCRAM_SIZE} "64K")
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 STM32L4 chip type: ${CHIP_TYPE}")
ENDIF()
GET_TARGET_PROPERTY(TARGET_DEFS ${TARGET} COMPILE_DEFINITIONS)
IF(TARGET_DEFS)
SET(TARGET_DEFS "STM32L4;STM32L${CHIP_TYPE};${TARGET_DEFS}")
ELSE()
SET(TARGET_DEFS "STM32L4;STM32L${CHIP_TYPE}")
ENDIF()
SET_TARGET_PROPERTIES(${TARGET} PROPERTIES COMPILE_DEFINITIONS "${TARGET_DEFS}")
ENDFUNCTION()