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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 (registration required) various documents highlighting:

System Workbench for STM32


Type make: *** [blablabla.elf] Error 1 when using math.h acos() and co.

Hello,
I had this problem now for days and am close to suicide. I tried all i could, but did not solve it.
I use SW4STM32 in combination with STM32CUBEMX and do create a simple project for an MCU.
Everything works fine except when I want to use some functions of “math.h” sin(x) works but acos(x) does throw the error: Type make: *** blablabla.elf Error 1.
This does not work:
float x = 123;
float y = acosf(x);
This works:
float x = 123;
float y = sin(x);
y = sinf(x);

Can someone please help me? I do not know what extra information I need to give you so please tell me if there is something missing.

Windows 7 64bit
install_sw4stm32_win_64bits-v1.14.0.exe

France

Hi,

There is a small bug in the linker invokation when using the math library; could you add explicitly option -lm on Project >> Properties >> C/C++ Build >> Settings >> MCU GCC Linker >> Libraries in the Libraries section on top of pane? You may leave the Use C math library (-lm) option at bottom of pane checked, it does no harm but, currently, it does no good either.

In next release the checkbox will be working OK and the explicit reference will no more be needed (but leaving it in will not harm either...)

Bernard (Ac6)


Thank you very much, you saved my day!