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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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Linking ST audio engine mp3 decoder

Posted by Maash on 2017-05-25 11:25

Hi.


I’m using STM32F469I-Discovery board with system workbench and trying to link ST:s audio decoder to my project (lib_mp3decoder_cortex_m4_v2.0.0)

Question is, that what linker settings should I use?

My project uses compiler settings float-abi hard and floating point hw fpv4-sp-d16. With this setup I just get VFP register argument error. I tried using the softfp for the float-abi and disabling the FP HW, however the SpiritMP3DecoderInit -function deadlocks, so I assume the setup isn’t correct yet.

Any ideas how to proceed?

Reads: 9883
Link
Posted by Maash on 2017-06-02 13:52
Ok, the softfp was the trick, but I was missing crc clock for the library. It wasn’t in the very skimpy documentation.
Link

Posted by okeb on 2017-10-04 13:57

Hi,

I am having the same issue. Why the h..l the Spirit encoder library for cortex M4 does not allow the use of float point hardware on the processor? It forces you to compile with soft float, making it impossible to use with their own CubeMX with FreeRTOS enabled which forces you to use hard float.

Is there any other free to use and not GPL code/library available?

ST please sort this out ASAP!!!

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