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SW4STM32 and SW4Linux fully supports the STM32MP1 asymmetric multicore Cortex/A7+M4 MPUs

   With System Workbench for Linux, Embedded Linux on the STM32MP1 family of MPUs from ST was never as simple to build and maintain, even for newcomers in the Linux world.
And, if you install System Workbench for Linux in System Workbench for STM32 you can seamlessly develop and debug asymmetric applications running partly on Linux, partly on the Cortex-M4.
You can get more information from the ac6-tools website and download two short videos (registration required) highlighting:

System Workbench for STM32

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You are viewing a reply to snprintf() Outputs Empty String  

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

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