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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


You are viewing a reply to Issue snprintf floats  

Issue snprintf floats

I have been looking further into this.
When the hardfault occurs the PC points to _Bfree
Hardfault

I have been looking into what the implementation of snprintf does. It seems it is using some dynamic memory using malloc().

Way back I found some resource telling me to use pvPortMalloc and vPortFree instead of the normal malloc and free. I am using FreeRTOS with heap4.

Could it be the call to malloc causing problems because I am using FreeRTOS?