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STM32 family not defined

ahsan khushe

Did any one know about this error "stm32 family not defined" and how to resolve it ?
I am using stm32f4 discovery and keil uvision4.
thanks.

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  • 0

    Observe the makefile has -DSTM32F4 on the compiler command line

    libopencm3 has something along the lines of

    #if defined(STM32F1)
# include <libopencm3/stm32/f1/rcc.h>
#elif defined(STM32F2)
# include <libopencm3/stm32/f2/rcc.h>
#elif defined(STM32F4)
# include <libopencm3/stm32/f4/rcc.h>
#else
# error "stm32 family not defined."
#endif

    You fail to define STM32F4 in your C/C++ options pane, and surprise, it fails

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  • 0

    Observe the makefile has -DSTM32F4 on the compiler command line

    libopencm3 has something along the lines of

    #if defined(STM32F1)
# include <libopencm3/stm32/f1/rcc.h>
#elif defined(STM32F2)
# include <libopencm3/stm32/f2/rcc.h>
#elif defined(STM32F4)
# include <libopencm3/stm32/f4/rcc.h>
#else
# error "stm32 family not defined."
#endif

    You fail to define STM32F4 in your C/C++ options pane, and surprise, it fails

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