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    • snprintf() Outputs Empty String

    Posted by tarek bouchkati on 2016-04-11 11:12 Tunisia

    check if you are using nanolib (-specs=nano.specs in Project properties > C/C++ Build > Settings > Tool Settings (TAB) > MCU GCC Linker > Miscellaneous > Linker flags)
    If it is the case, you need to enable float printf :
    -specs=nano.specs -u _printf_float

    Regards,
    Tarek

    Reads: 3031