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Zephyr project on STM32

   Zephyr Workbench, a VSCode extension to manage Zephyr on STM32.
It enables users to easily create, develop, and debug Zephyr applications.
Main features:
  • Install host dependencies.
  • Import toolchain and SDK.
  • Create, configure, build and manage apps.
  • Debug STM32.
You can directly download it from the VSCode marketplace
For more details, visit the Zephyr Workbench

System Workbench for STM32

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Error while debuging

Posted by sanketpatel2020@gmail.com on 2016-12-20 11:30

Hi! Greetings!

When I am creating new project in STM32CubeMX and then exporting to SW4STM32, it gives following error while debuging. I am using STM32L0 Nucleo board.

“launching .elf has encountered a problem. error in final launch sequence”

What could be the problem? I am not using any peripherals.

Regards
Sanket

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Posted by sanketpatel2020@gmail.com on 2016-12-27 06:40

Hi! Greetings!

I am working with complex numbers on STM32L0 nucleo board using SW4STM32 eclipse.

My abstract code:

while()
{
...other statements...which calculate the value of znext to be 2.76623654 + -0.352664977 * I
volatile _Complex float znprev=zn;
volatile _Complex float zn=znext; //I am not able to get the value of ‘znext’ to be transferred to ‘zn’.
}

Meanwhile if I keep the cursor on ‘zn’ in run mode, I get following:

Name : zn
Details:2.76623654 + -0.352664977 * I
Default:3.5 + 0 * I
Decimal:3 + 0 * I
Hex:0x3 + 0x0 * I
Binary:11 + 0 * I
Octal:03 + 0 * I

Why the value displayed in “Default” does not get replaced by the value in “Details”?
I also have tried using the syntax “complex volatile float” and “volatile complex float”.
Sometimes I get in the output. I tried setting different optimization levels and finally kept “Optimize for Debug (-Og)”

Please provide your suggestions.
Regards,
Sanket

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Posted by Vetch on 2017-01-02 16:58

Hi Sanket! Greetings!
Please, note that this forum is mainly used for Eclipse/SW4STM32 related discussions.
You may get more comments in using forum dedicated to C coding.

Anyway, I made trials but didn’t manage to reproduce this issue.
In my test code, I included complex.h : the Standard Library of Complex Numbers
The variables are declared with the following line :
volatile float complex z0, z1, z, zprev, znext; // imaginary 32-bit number

In the attached snapshot, you can see :
- the code of the main function;
- both parts of the complex variables updated;

I hope it can help.

Complex_Floats.png (163.39 Kb)
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